中国水稻科学 ›› 2018, Vol. 32 ›› Issue (5): 462-474.DOI: 10.16819/j.1001-7216.2018.8016
郭长春, 孙知白, 孙永健*(), 殷尧翥, 武云霞, 唐源, 杨志远, 向开宏, 马均*()
收稿日期:
2018-02-05
修回日期:
2018-03-15
出版日期:
2018-09-10
发布日期:
2018-09-10
通讯作者:
孙永健,马均
基金资助:
Changchun GUO, Zhibai SUN, Yongjian SUN*(), Yaozhu YIN, Yunxia WU, Yuan TANG, Zhiyuan YANG, Kaihong XIANG, Jun MA*()
Received:
2018-02-05
Revised:
2018-03-15
Online:
2018-09-10
Published:
2018-09-10
Contact:
Yongjian SUN, Jun MA
摘要:
【目的】本研究旨在明确适宜平原(崇州)与丘陵(三台)稻区机直播优质杂交籼稻高产品种群体质量的共性特征,构建规范化的机直播优质杂交籼稻高产品种的鉴选方法和评价标准,以及为杂交籼稻机械化直播配套技术的融合提供理论及实践依据。【方法】两生态区以29个品种为试材,采用人工模拟精量穴直播(以下简称机直播),研究机直播对平原与丘陵稻区不同产量水平的优质杂交籼稻群体质量特征及产量的影响,并探讨机直播优质杂交籼稻群体质量特征与产量间的关系。【结果】依据两生态区各品种的平均籽粒产量聚类分析,将两生态区供试品种分为高产、中产、低产3种类型。其中,三台高产类型品种占17.24%,中产、低产类型品种占82.76%;崇州高产类型品种占10.34%,中产、低产类型品种占89.66%。与中产、低产类型品种相比,两生态区高产类型品种的共性特征为分蘖能力强、有效穗数多、结实率高,拔节期后叶面积指数(LAI)大,干物质累积量高;结实期顶3叶叶长、叶位、叶张角、株高及其顶部截获光能优势明显。相关分析表明,机直播条件下,除群体透光率、顶3叶叶张角、分蘖盛期LAI及干物质累积量外,各群体质量指标与籽粒产量均呈显著或极显著正相关(r =0.37*~0.90**),尤其是齐穗期高效LAI率、成熟期干物质累积量及其收获指数与产量的相关性。【结论】机直播条件下,高产类型品种能够获得较高的有效穗数和每穗实粒数,并协同提高结实率,实现生育后期群体干物质的高增长,从而获得较高产量。
中图分类号:
郭长春, 孙知白, 孙永健, 殷尧翥, 武云霞, 唐源, 杨志远, 向开宏, 马均. 优质丰产杂交籼稻品种机直播产量构成及其群体质量研究[J]. 中国水稻科学, 2018, 32(5): 462-474.
Changchun GUO, Zhibai SUN, Yongjian SUN, Yaozhu YIN, Yunxia WU, Yuan TANG, Zhiyuan YANG, Kaihong XIANG, Jun MA. Study on Yield Formation and Population Quality of indica Hybrid Rice with Good Quality and High Yield Under Mechanical Direct Seeding[J]. Chinese Journal OF Rice Science, 2018, 32(5): 462-474.
地点 Location | 前茬 Fore crop | pH值 pH value | 有机质 Organic matter /(g·kg–1) | 全氮 Total N content /(g·kg–1) | 速效磷 Available P /(mg·kg–1) | 速效钾 Available K /(mg·kg–1) |
---|---|---|---|---|---|---|
三台Santai | 油菜Oilseed rape | 7.48 | 30.57 | 1.80 | 40.59 | 123.47 |
崇州Chongzhou | 蔬菜Vagetable | 7.38 | 26.95 | 1.32 | 34.09 | 113.70 |
表1 两个生态区试验田土壤理化性状
Table 1 Soil conditions of the test fields in two experimental locations.
地点 Location | 前茬 Fore crop | pH值 pH value | 有机质 Organic matter /(g·kg–1) | 全氮 Total N content /(g·kg–1) | 速效磷 Available P /(mg·kg–1) | 速效钾 Available K /(mg·kg–1) |
---|---|---|---|---|---|---|
三台Santai | 油菜Oilseed rape | 7.48 | 30.57 | 1.80 | 40.59 | 123.47 |
崇州Chongzhou | 蔬菜Vagetable | 7.38 | 26.95 | 1.32 | 34.09 | 113.70 |
地点 Location | 海拔 Altitude /m | 经度 Longitude (E) | 纬度 Latitude (N) | 4-10 月日均降水量 Average diurnal rainfall from Apr. to Oct./mm | 4-10 月日平均温度 Average diurnal temperature from Apr. to Oct./℃ |
---|---|---|---|---|---|
三台Santai | 460 | 103°35′ | 30°15′ | 25.59 | 22.81 |
崇州Chongzhou | 560 | 103°28′ | 30°42′ | 44.13 | 21.75 |
表2 两个生态区试验田水稻生长期间地理及气象条件
Table 2 Geographical and meteorological conditions of the two experimental locations.
地点 Location | 海拔 Altitude /m | 经度 Longitude (E) | 纬度 Latitude (N) | 4-10 月日均降水量 Average diurnal rainfall from Apr. to Oct./mm | 4-10 月日平均温度 Average diurnal temperature from Apr. to Oct./℃ |
---|---|---|---|---|---|
三台Santai | 460 | 103°35′ | 30°15′ | 25.59 | 22.81 |
崇州Chongzhou | 560 | 103°28′ | 30°42′ | 44.13 | 21.75 |
品种 Combination | 三台 Santai/(kg·hm-2) | 崇州 Chongzhou/(kg·hm-2) | 两生态区稻谷平均产量 Average grain yield of two ecological zones/(kg·hm-2) |
---|---|---|---|
F优498 F you 498 | 10523.3±142.4 | 10360.6±517.8 | 10442.0±224.4 |
C两优华占 C liangyouhuazhan | 10567.9±68.3 | 9993.9±93.1 | 10280.9±76.5 |
晶两优534 Jingliangyou 534 | 10154.5±433.3 | 10366.4±120.3 | 10260.5±221.8 |
隆两优1206 Longliangyou 1206 | 10345.5±461.7 | 10174.1±376.5 | 10259.8±156.4 |
晶两优华占 Jingliangyouhuazhan | 10139.3±328.2 | 9640.3±312.5 | 9889.8±145.4 |
旌优127 Jingyou 127 | 9897.1±230.7 | 9756.0±173.1 | 9826.6±196.0 |
隆两优1146 Longliangyou 1146 | 9962.4±242.7 | 9645.1±263.7 | 9803.7±223.3 |
绿优4923 Lüyou 4923 | 9695.8±317.4 | 9777.6±54.2 | 9736.7±185.8 |
天优华占 Tianyouhuazhan | 9704.1±243.3 | 9693.1±399.5 | 9698.6±115.6 |
花香1618 Huaxiang 1618 | 9849.7±264.8 | 9451.1±163.2 | 9650.4±212.4 |
晶两优1377 Jingliangyou 1377 | 9812.3±136.8 | 9394.1±148.8 | 9603.2±46.3 |
宜香优1108 Yixiangyou 1108 | 9531.4±49.6 | 9527.9±8.4 | 9529.7±21.2 |
宜香优2168 Yixiangyou 2168 | 9814.3±249.0 | 9186.9±239.0 | 9500.6±82.2 |
川优8377 Chuanyou 8377 | 9908.5±93.9 | 8909.3±107.0 | 9408.9±68.3 |
宜香3728 Yixiang 3728 | 9234.2±105.0 | 9530.3±243.6 | 9382.3±112.5 |
德优4923 Deyou 4923 | 9544.1±73.6 | 9153.9±225.1 | 9349.0±176.3 |
吉优9号 Jiyou 9 | 9348.5±115.7 | 8908.2±132.9 | 9128.3±91.0 |
渝香7109 Yuxiang 7109 | 9108.7±187.5 | 9006.2±106.1 | 9057.4±128.4 |
宜香优2115 Yixiangyou 2115 | 9197.6±219.5 | 8901.7±118.3 | 9049.6±161.5 |
德优4727 Deyou 4727 | 9369.1±261.5 | 8612.8±413.9 | 8990.9±125.2 |
繁优609 Fanyou 609 | 9084.2±295.9 | 8847.2±210.2 | 8965.7±149.9 |
内5优39 Nei 5 you 39 | 9109.3±335.7 | 8567.5±172.0 | 8838.4±247.1 |
宜香4245 Yixiang 4245 | 8630.7±8.6 | 8855.6±123.6 | 8743.1±60.9 |
渝香203 Yuxiang 203 | 9072.7±281.8 | 8179.4±277.7 | 8626.1±117.3 |
宜香优7633 Yixiangyou 7633 | 8742.8±328.0 | 8420.2±429.8 | 8581.5±353.6 |
川优6203 Chuanyou 6203 | 8837.4±111.8 | 8216.8±352.9 | 8527.1±231.7 |
两优2161 Liangyou 2161 | 8972.9±57.4 | 7711.4±365.7 | 8342.2±198.1 |
蓉18优2348 Rong 18 you 2348 | 7765.5±349.4 | 7026.6±84.7 | 7396.1±136.8 |
Y两优1号 Y liangyou 1 | 7329.6±347.0 | 7285.4±192.8 | 7307.5±269.9 |
表3 两生态区各品种稻谷产量
Table 3 Rice grain yield of tested combinations in two ecological zones.
品种 Combination | 三台 Santai/(kg·hm-2) | 崇州 Chongzhou/(kg·hm-2) | 两生态区稻谷平均产量 Average grain yield of two ecological zones/(kg·hm-2) |
---|---|---|---|
F优498 F you 498 | 10523.3±142.4 | 10360.6±517.8 | 10442.0±224.4 |
C两优华占 C liangyouhuazhan | 10567.9±68.3 | 9993.9±93.1 | 10280.9±76.5 |
晶两优534 Jingliangyou 534 | 10154.5±433.3 | 10366.4±120.3 | 10260.5±221.8 |
隆两优1206 Longliangyou 1206 | 10345.5±461.7 | 10174.1±376.5 | 10259.8±156.4 |
晶两优华占 Jingliangyouhuazhan | 10139.3±328.2 | 9640.3±312.5 | 9889.8±145.4 |
旌优127 Jingyou 127 | 9897.1±230.7 | 9756.0±173.1 | 9826.6±196.0 |
隆两优1146 Longliangyou 1146 | 9962.4±242.7 | 9645.1±263.7 | 9803.7±223.3 |
绿优4923 Lüyou 4923 | 9695.8±317.4 | 9777.6±54.2 | 9736.7±185.8 |
天优华占 Tianyouhuazhan | 9704.1±243.3 | 9693.1±399.5 | 9698.6±115.6 |
花香1618 Huaxiang 1618 | 9849.7±264.8 | 9451.1±163.2 | 9650.4±212.4 |
晶两优1377 Jingliangyou 1377 | 9812.3±136.8 | 9394.1±148.8 | 9603.2±46.3 |
宜香优1108 Yixiangyou 1108 | 9531.4±49.6 | 9527.9±8.4 | 9529.7±21.2 |
宜香优2168 Yixiangyou 2168 | 9814.3±249.0 | 9186.9±239.0 | 9500.6±82.2 |
川优8377 Chuanyou 8377 | 9908.5±93.9 | 8909.3±107.0 | 9408.9±68.3 |
宜香3728 Yixiang 3728 | 9234.2±105.0 | 9530.3±243.6 | 9382.3±112.5 |
德优4923 Deyou 4923 | 9544.1±73.6 | 9153.9±225.1 | 9349.0±176.3 |
吉优9号 Jiyou 9 | 9348.5±115.7 | 8908.2±132.9 | 9128.3±91.0 |
渝香7109 Yuxiang 7109 | 9108.7±187.5 | 9006.2±106.1 | 9057.4±128.4 |
宜香优2115 Yixiangyou 2115 | 9197.6±219.5 | 8901.7±118.3 | 9049.6±161.5 |
德优4727 Deyou 4727 | 9369.1±261.5 | 8612.8±413.9 | 8990.9±125.2 |
繁优609 Fanyou 609 | 9084.2±295.9 | 8847.2±210.2 | 8965.7±149.9 |
内5优39 Nei 5 you 39 | 9109.3±335.7 | 8567.5±172.0 | 8838.4±247.1 |
宜香4245 Yixiang 4245 | 8630.7±8.6 | 8855.6±123.6 | 8743.1±60.9 |
渝香203 Yuxiang 203 | 9072.7±281.8 | 8179.4±277.7 | 8626.1±117.3 |
宜香优7633 Yixiangyou 7633 | 8742.8±328.0 | 8420.2±429.8 | 8581.5±353.6 |
川优6203 Chuanyou 6203 | 8837.4±111.8 | 8216.8±352.9 | 8527.1±231.7 |
两优2161 Liangyou 2161 | 8972.9±57.4 | 7711.4±365.7 | 8342.2±198.1 |
蓉18优2348 Rong 18 you 2348 | 7765.5±349.4 | 7026.6±84.7 | 7396.1±136.8 |
Y两优1号 Y liangyou 1 | 7329.6±347.0 | 7285.4±192.8 | 7307.5±269.9 |
产量类型 Yield type | 三台 San tai | 崇州 Chong zhou |
---|---|---|
高产类型 High yield | F优498、C两优华占、晶两优534、 隆两优1206、晶两优华占 F you 498, C liangyouhuazhan, Jingliangyou 534, Longliangyou 1206, Jingliangyouhuazhan | F优498、晶两优534、隆两优1206 F you 498, Jingliangyou 534, Longliangyou 1206 |
产量范围 Yield range/(kg·hm-2) | 10346.1±289.2 a | 10300.4±311.7 a |
中产类型 Medium yield | 旌优127 、隆两优1146、绿优4923、天优华占、 花香1618、晶两优1377、宜香优1108、 宜香优2168、川优8377 、宜香3728、德优4923、 吉优9号、渝香7109、宜香优2115、德优4727、 繁优609、内5优39、渝香203 Jingyou 127, Longliangyou 1146, Lüyou 4923, Tianyouhuazha, Huaxiang 1618, Jingliangyou 1377, Yixiangyou 1108, Yixiangyou 2168, Chuanyou 8377, Yixiang 3728, Deyou 4923, Jiyou 9, Yuxiang 7109, Yixiangyou 2115, Deyou 4727, Fanyou 609, Nei 5 you 39, Yuxiang 203 | C两优华占、晶两优华占、旌优127 、 隆两优1146、绿优4923、天优华占、 花香1618、晶两优1377、宜香优1108、 宜香优2168、川优8377、宜香3728、 德优4923、渝香7109 C liangyouhuazhan, Jingliangyouhuazhan, Jingyou 127, Longliangyou 1146, Lüyou 4923, Tianyouhuazha, Huaxiang 1618, Jingliangyou 1377, Yixiangyou 1108, Yixiangyou 2168, Chuanyou 8377, Yixiang 3728, Deyou 4923, Yuxiang 7109 |
产量范围 Yield range/(kg·hm-2) | 9513.6±135.0 b | 9519.7±140.8 b |
低产类型 Low yield | 宜香4245、宜香优7633、川优6203、 两优2161、蓉18优2348、Y两优1号 Yixiang 4245, Yixiangyou 7633, Chuanyou 6203, Liangyou 2161, Rong 18 you 2348, Y liangyou 1 | 吉优9号、宜香优2115、德优4727、 繁优609、内5优39、宜香4245、渝香203、 宜香优7633、川优6203、两优2161、 蓉18优2348、Y两优1号 Jiyou 9, Yixiangyou 2115, Deyou 4727, Fanyou 609, Nei 5 you 39, Yixiang 4245, Yuxiang 203, Yixiangyou 7633, Chuanyou 6203, Liangyou 2161, Rong 18 you 2348, Y liangyou 1 |
产量范围 Yield range/(kg·hm-2) | 8379.8±161.0 c | 8341.7±70.3 c |
表4 两生态区各品种产量
Table 4 Yield of rice combinations in two ecological areas.
产量类型 Yield type | 三台 San tai | 崇州 Chong zhou |
---|---|---|
高产类型 High yield | F优498、C两优华占、晶两优534、 隆两优1206、晶两优华占 F you 498, C liangyouhuazhan, Jingliangyou 534, Longliangyou 1206, Jingliangyouhuazhan | F优498、晶两优534、隆两优1206 F you 498, Jingliangyou 534, Longliangyou 1206 |
产量范围 Yield range/(kg·hm-2) | 10346.1±289.2 a | 10300.4±311.7 a |
中产类型 Medium yield | 旌优127 、隆两优1146、绿优4923、天优华占、 花香1618、晶两优1377、宜香优1108、 宜香优2168、川优8377 、宜香3728、德优4923、 吉优9号、渝香7109、宜香优2115、德优4727、 繁优609、内5优39、渝香203 Jingyou 127, Longliangyou 1146, Lüyou 4923, Tianyouhuazha, Huaxiang 1618, Jingliangyou 1377, Yixiangyou 1108, Yixiangyou 2168, Chuanyou 8377, Yixiang 3728, Deyou 4923, Jiyou 9, Yuxiang 7109, Yixiangyou 2115, Deyou 4727, Fanyou 609, Nei 5 you 39, Yuxiang 203 | C两优华占、晶两优华占、旌优127 、 隆两优1146、绿优4923、天优华占、 花香1618、晶两优1377、宜香优1108、 宜香优2168、川优8377、宜香3728、 德优4923、渝香7109 C liangyouhuazhan, Jingliangyouhuazhan, Jingyou 127, Longliangyou 1146, Lüyou 4923, Tianyouhuazha, Huaxiang 1618, Jingliangyou 1377, Yixiangyou 1108, Yixiangyou 2168, Chuanyou 8377, Yixiang 3728, Deyou 4923, Yuxiang 7109 |
产量范围 Yield range/(kg·hm-2) | 9513.6±135.0 b | 9519.7±140.8 b |
低产类型 Low yield | 宜香4245、宜香优7633、川优6203、 两优2161、蓉18优2348、Y两优1号 Yixiang 4245, Yixiangyou 7633, Chuanyou 6203, Liangyou 2161, Rong 18 you 2348, Y liangyou 1 | 吉优9号、宜香优2115、德优4727、 繁优609、内5优39、宜香4245、渝香203、 宜香优7633、川优6203、两优2161、 蓉18优2348、Y两优1号 Jiyou 9, Yixiangyou 2115, Deyou 4727, Fanyou 609, Nei 5 you 39, Yixiang 4245, Yuxiang 203, Yixiangyou 7633, Chuanyou 6203, Liangyou 2161, Rong 18 you 2348, Y liangyou 1 |
产量范围 Yield range/(kg·hm-2) | 8379.8±161.0 c | 8341.7±70.3 c |
地点 Site | 品种 Combination | 有效穗数 Effective panicle number/(×104hm-2) | 每穗实粒数 Filled grain number per panicle | 千粒重 1000-grain weight /g | 结实率 Seed-setting rate /% | 实际产量 Grain yield /(kg·hm–2) |
---|---|---|---|---|---|---|
三台Santai | F优498 F you 498 | 292.0±3.5 a | 140.5±1.9 b | 30.5±0.6 a | 86.0±1.3 a | 10523.3±142.4 a |
隆两优1206 Longliangyou 1206 | 295.3±7.6 a | 151.0±0.7 a | 26.6±0.5 c | 87.1±2.0 a | 10345.5±461.7 a | |
高产类型平均 Average of high-yield combinations | 293.7±5.0 a | 145.8±0.8 a | 28.5±0.3 b | 86.6±1.0 a | 10434.4±290.7 a | |
绿优4923 Lüyou 4923 | 280.0±3.5 b | 131.3±1.2 c | 31.1±0.4 a | 74.2±0.7 bc | 9695.8±317.4 b | |
宜香优1108 Yixiangyou 1108 | 274.0±5.3 b | 136.5±0.7 b | 30.3±0.4 a | 75.9±4.6 b | 9531.4±49.6 b | |
中产类型平均 Average of medium-yield combinations | 277.0±1.0 b | 133.9±0.8 b | 30.7±0.1 a | 75.1±2.3 b | 9613.6±156.9 b | |
川优6203 Chuanyou 6203 | 262.7±2.3 c | 127.0±3.0 c | 30.3±0.2 a | 79.4±3.7 b | 8837.4±111.8 c | |
宜香4245 Yixiang 4245 | 282.0±6.0 b | 129.4±5.9 c | 27.6±0.4 b | 69.5±4.4 c | 8630.7±8.6 c | |
低产类型平均 Average of low-yield combinations | 272.3±2.1 b | 128.2±0.6 c | 28.9±0.2 b | 74.4±3.2 b | 8734.0±60.1 c | |
崇州Chongzhou | F优498 F you 498 | 286.0±1.8 b | 142.8±2.2 a | 29.2±0.4 c | 82.6±1.3 a | 10360.6±134.2 a |
隆两优1206 Longliangyou 1206 | 297.0±5.7 a | 140.9±0.4 a | 26.5±0.4 e | 83.2±1.6 a | 10174.1±132.7 a | |
高产类型平均 Average of high-yield combinations | 291.6±2.0 a | 141.9±1.0 a | 27.9±0.5 c | 82.9±0.5 a | 10267.4±132.0 a | |
绿优4923 Lüyou 4923 | 275.3±5.3 c | 136.5±2.2 b | 30.3±0.7 ab | 75.7±2.3 b | 9777.6±54.2 b | |
宜香优1108 Yixiangyou 1108 | 263.7±2.7 d | 130.3±0.6 c | 31.2±0.3 a | 75.2±3.0 b | 9527.9±8.4 b | |
中产类型平均 Average of medium-yield combinations | 269.6±4.0 b | 133.4±1.3 b | 30.8±0.2 a | 75.5±0.8 c | 9652.8±25.8 b | |
川优6203 Chuanyou 6203 | 245.7±4.1 e | 130.0±4.6 c | 29.5±0.5 bc | 78.8±0.4 b | 8855.6±352.9 c | |
宜香4245 Yixiang 4245 | 246.3±7.8 e | 131.6±2.1 c | 27.5±0.6 d | 75.7±1.3 b | 8216.8±123.6 d | |
低产类型平均 Average of low-yield combinations | 246.0±2.4 c | 130.8±1.4 c | 28.5±0.4 b | 77.2±0.5 b | 8536.2±175.2 c |
表5 机直播不同产量水平杂交籼稻品种的产量构成因素
Table 5 Yield components of rice combinations at different yield levels under mechanical direct seeding.
地点 Site | 品种 Combination | 有效穗数 Effective panicle number/(×104hm-2) | 每穗实粒数 Filled grain number per panicle | 千粒重 1000-grain weight /g | 结实率 Seed-setting rate /% | 实际产量 Grain yield /(kg·hm–2) |
---|---|---|---|---|---|---|
三台Santai | F优498 F you 498 | 292.0±3.5 a | 140.5±1.9 b | 30.5±0.6 a | 86.0±1.3 a | 10523.3±142.4 a |
隆两优1206 Longliangyou 1206 | 295.3±7.6 a | 151.0±0.7 a | 26.6±0.5 c | 87.1±2.0 a | 10345.5±461.7 a | |
高产类型平均 Average of high-yield combinations | 293.7±5.0 a | 145.8±0.8 a | 28.5±0.3 b | 86.6±1.0 a | 10434.4±290.7 a | |
绿优4923 Lüyou 4923 | 280.0±3.5 b | 131.3±1.2 c | 31.1±0.4 a | 74.2±0.7 bc | 9695.8±317.4 b | |
宜香优1108 Yixiangyou 1108 | 274.0±5.3 b | 136.5±0.7 b | 30.3±0.4 a | 75.9±4.6 b | 9531.4±49.6 b | |
中产类型平均 Average of medium-yield combinations | 277.0±1.0 b | 133.9±0.8 b | 30.7±0.1 a | 75.1±2.3 b | 9613.6±156.9 b | |
川优6203 Chuanyou 6203 | 262.7±2.3 c | 127.0±3.0 c | 30.3±0.2 a | 79.4±3.7 b | 8837.4±111.8 c | |
宜香4245 Yixiang 4245 | 282.0±6.0 b | 129.4±5.9 c | 27.6±0.4 b | 69.5±4.4 c | 8630.7±8.6 c | |
低产类型平均 Average of low-yield combinations | 272.3±2.1 b | 128.2±0.6 c | 28.9±0.2 b | 74.4±3.2 b | 8734.0±60.1 c | |
崇州Chongzhou | F优498 F you 498 | 286.0±1.8 b | 142.8±2.2 a | 29.2±0.4 c | 82.6±1.3 a | 10360.6±134.2 a |
隆两优1206 Longliangyou 1206 | 297.0±5.7 a | 140.9±0.4 a | 26.5±0.4 e | 83.2±1.6 a | 10174.1±132.7 a | |
高产类型平均 Average of high-yield combinations | 291.6±2.0 a | 141.9±1.0 a | 27.9±0.5 c | 82.9±0.5 a | 10267.4±132.0 a | |
绿优4923 Lüyou 4923 | 275.3±5.3 c | 136.5±2.2 b | 30.3±0.7 ab | 75.7±2.3 b | 9777.6±54.2 b | |
宜香优1108 Yixiangyou 1108 | 263.7±2.7 d | 130.3±0.6 c | 31.2±0.3 a | 75.2±3.0 b | 9527.9±8.4 b | |
中产类型平均 Average of medium-yield combinations | 269.6±4.0 b | 133.4±1.3 b | 30.8±0.2 a | 75.5±0.8 c | 9652.8±25.8 b | |
川优6203 Chuanyou 6203 | 245.7±4.1 e | 130.0±4.6 c | 29.5±0.5 bc | 78.8±0.4 b | 8855.6±352.9 c | |
宜香4245 Yixiang 4245 | 246.3±7.8 e | 131.6±2.1 c | 27.5±0.6 d | 75.7±1.3 b | 8216.8±123.6 d | |
低产类型平均 Average of low-yield combinations | 246.0±2.4 c | 130.8±1.4 c | 28.5±0.4 b | 77.2±0.5 b | 8536.2±175.2 c |
地点 Site | 品种 Combination | 分蘖盛期 Tillering stage | 拔节期 Elongation stage | 齐穗期 Full heading stage | ||
---|---|---|---|---|---|---|
总LAI Total LAI | 高效 LAI Efficient LAI | 高效叶面积率 Efficient leaf area ratio/% | ||||
三台 Santai | F优498 F you 498 | 2.70±0.04 d | 4.37±0.03 bc | 8.82±0.58 a | 5.91±0.39 a | 67.07±0.03 a |
隆两优1206 Longliangyou 1206 | 2.91±0.07 c | 5.14±0.01 a | 8.33±0.24 a | 5.56±0.06 b | 66.72±1.30 ab | |
高产类型平均 Average of high-yield combinations | 2.80±0.06 c | 4.76±0.01 a | 8.58±0.22 a | 5.74±0.18 a | 66.89±0.65 a | |
绿优4923 Lüyou 4923 | 3.34±0.05 a | 4.15±0.13 d | 6.89±0.06 c | 4.51±0.02 c | 65.44±0.84 b | |
宜香优1108 Yixiangyou 1108 | 3.03±0.12 b | 4.45±0.12 b | 7.00±0.12 c | 4.63±0.08 c | 66.12±0.49 ab | |
中产类型平均 Average of medium-yield combinations | 3.19±0.05 a | 4.30±0.01 b | 6.95±0.06 c | 4.57±0.04 b | 65.78±0.67 a | |
川优6203 Chuanyou 6203 | 3.04±0.04 b | 4.24±0.01 cd | 7.59±0.07 b | 4.56±0.01 c | 59.96±0.66 d | |
宜香4245 Yixiang 4245 | 2.86±0.01 c | 3.31±0.03 e | 7.25±0.11 bc | 4.53±0.08 c | 62.53±0.66 c | |
低产类型平均 Average of low-yield combinations | 2.95±0.02 b | 3.78±0.01 c | 7.42±0.05 b | 4.55±0.04 b | 61.25±0.18 b | |
崇州 Chongzhou | F优498 F you 498 | 1.84±0.04 b | 4.17±0.13 b | 7.82±0.41 a | 5.21±0.27 a | 66.59±0.29 b |
隆两优1206 Longliangyou 1206 | 1.89±0.06 b | 4.79±0.15 a | 7.59±0.24 ab | 5.26±0.15 a | 69.28±0.70 a | |
高产类型平均 Average of high-yield combinations | 1.87±0.04 a | 4.48±0.14 a | 7.71±0.15 a | 5.23±0.13 a | 67.94±0.35 a | |
绿优4923 Lüyou 4923 | 2.02±0.09 a | 3.51±0.07 c | 6.37±0.43 c | 4.18±0.28 b | 65.57±0.29 c | |
宜香优1108 Yixiangyou 1108 | 1.87±0.05 b | 3.29±0.06 d | 5.77±0.06 d | 3.61±0.08 c | 62.66±0.75 d | |
中产类型平均 Average of medium-yield combinations | 1.94±0.06 a | 3.40±0.06 b | 6.07±0.23 c | 3.90±0.15 b | 64.12±0.37 b | |
川优6203 Chuanyou 6203 | 1.95±0.03 ab | 2.93±0.03 e | 6.07±0.06 cd | 3.54±0.03 c | 53.88±0.06 f | |
宜香4245 Yixiang 4245 | 1.84±0.02 b | 3.09±0.01 e | 7.17±0.05 b | 3.87±0.08 bc | 58.20±0.80 e | |
低产类型平均 Average of low-yield combinations | 1.89±0.01 a | 3.01±0.02 c | 6.62±0.05 b | 3.70±0.06 b | 56.04±0.40 c |
表6 机直播不同产量水平杂交籼稻各生育时期叶面积指数
Table 6 Leaf area index at different growth stages of rice combinations with different yield potentials under mechanical direct seeding.
地点 Site | 品种 Combination | 分蘖盛期 Tillering stage | 拔节期 Elongation stage | 齐穗期 Full heading stage | ||
---|---|---|---|---|---|---|
总LAI Total LAI | 高效 LAI Efficient LAI | 高效叶面积率 Efficient leaf area ratio/% | ||||
三台 Santai | F优498 F you 498 | 2.70±0.04 d | 4.37±0.03 bc | 8.82±0.58 a | 5.91±0.39 a | 67.07±0.03 a |
隆两优1206 Longliangyou 1206 | 2.91±0.07 c | 5.14±0.01 a | 8.33±0.24 a | 5.56±0.06 b | 66.72±1.30 ab | |
高产类型平均 Average of high-yield combinations | 2.80±0.06 c | 4.76±0.01 a | 8.58±0.22 a | 5.74±0.18 a | 66.89±0.65 a | |
绿优4923 Lüyou 4923 | 3.34±0.05 a | 4.15±0.13 d | 6.89±0.06 c | 4.51±0.02 c | 65.44±0.84 b | |
宜香优1108 Yixiangyou 1108 | 3.03±0.12 b | 4.45±0.12 b | 7.00±0.12 c | 4.63±0.08 c | 66.12±0.49 ab | |
中产类型平均 Average of medium-yield combinations | 3.19±0.05 a | 4.30±0.01 b | 6.95±0.06 c | 4.57±0.04 b | 65.78±0.67 a | |
川优6203 Chuanyou 6203 | 3.04±0.04 b | 4.24±0.01 cd | 7.59±0.07 b | 4.56±0.01 c | 59.96±0.66 d | |
宜香4245 Yixiang 4245 | 2.86±0.01 c | 3.31±0.03 e | 7.25±0.11 bc | 4.53±0.08 c | 62.53±0.66 c | |
低产类型平均 Average of low-yield combinations | 2.95±0.02 b | 3.78±0.01 c | 7.42±0.05 b | 4.55±0.04 b | 61.25±0.18 b | |
崇州 Chongzhou | F优498 F you 498 | 1.84±0.04 b | 4.17±0.13 b | 7.82±0.41 a | 5.21±0.27 a | 66.59±0.29 b |
隆两优1206 Longliangyou 1206 | 1.89±0.06 b | 4.79±0.15 a | 7.59±0.24 ab | 5.26±0.15 a | 69.28±0.70 a | |
高产类型平均 Average of high-yield combinations | 1.87±0.04 a | 4.48±0.14 a | 7.71±0.15 a | 5.23±0.13 a | 67.94±0.35 a | |
绿优4923 Lüyou 4923 | 2.02±0.09 a | 3.51±0.07 c | 6.37±0.43 c | 4.18±0.28 b | 65.57±0.29 c | |
宜香优1108 Yixiangyou 1108 | 1.87±0.05 b | 3.29±0.06 d | 5.77±0.06 d | 3.61±0.08 c | 62.66±0.75 d | |
中产类型平均 Average of medium-yield combinations | 1.94±0.06 a | 3.40±0.06 b | 6.07±0.23 c | 3.90±0.15 b | 64.12±0.37 b | |
川优6203 Chuanyou 6203 | 1.95±0.03 ab | 2.93±0.03 e | 6.07±0.06 cd | 3.54±0.03 c | 53.88±0.06 f | |
宜香4245 Yixiang 4245 | 1.84±0.02 b | 3.09±0.01 e | 7.17±0.05 b | 3.87±0.08 bc | 58.20±0.80 e | |
低产类型平均 Average of low-yield combinations | 1.89±0.01 a | 3.01±0.02 c | 6.62±0.05 b | 3.70±0.06 b | 56.04±0.40 c |
地点 Site | 品种 Combination | 生育时期 Growth stages/(kg·hm-2) | 收获指数 Harvest index /% | |||
---|---|---|---|---|---|---|
分蘖盛期 Tillering | 拔节期 Elongation | 齐穗期 Full heading | 成熟期 Ripening | |||
三台 Santai | F优498 F you 498 | 1371.2±59.3 bc | 4918.9±45.9 a | 14 113.7±435.0 a | 18 157.0±157.9 b | 50.13±0.55 a |
隆两优1206 Longliangyou 1206 | 1337.5±11.8 c | 4565.6±47.4 b | 14 288.1±128.6 a | 19 029.6±35.6 a | 47.03±2.14 b | |
高产类型平均 Average of high-yield combinations | 1353.9±26.3 b | 4741.7±45.8 a | 14 200.9±480.1 a | 18 593.3±69.1 a | 48.58±1.15 a | |
绿优4923 Lüyou 4923 | 1415.2±1.8 ab | 4054.1±185.9 c | 12 274.3±255.3 b | 17 825.5±215.5 c | 47.07±2.05 b | |
宜香优1108 Yixiangyou 1108 | 1454.9±39.4 a | 4383.2±81.3 b | 13 068.0±19.1 b | 17 636.1±20.5 cd | 46.75±0.20 b | |
中产类型平均 Average of medium-yield combinations | 1435.1±20.2 a | 4218.6±133.2 b | 12 671.1±322.2 b | 17 730.8±117.1 b | 46.91±1.02 a | |
川优6203 Chuanyou 6203 | 1410.8±22.9 ab | 3574.5±87.9 d | 12 768.1±201.8 b | 17 559.9±83.2 d | 43.53±0.42 c | |
宜香4245 Yixiang 4245 | 1453.4±27.4 a | 3999.3±89.1 c | 13 076.1±218.6 b | 16 505.0±117.7 e | 45.23±0.32 bc | |
低产类型平均 Average of low-yield combinations | 1432.1±13.7 a | 3786.9±87.8 c | 12 922.1±88.7 b | 17 032.4±88.0 c | 44.38±0.33 b | |
崇州 Chongzhou | F优498 F you 498 | 1055.3±40.0 b | 3738.0±15.3 a | 13 241.0±81.4 a | 18 432.9±378.6 a | 48.62±2.15 a |
隆两优1206 Longliangyou 1206 | 1054.8±26.1 b | 3672.9±15.6 b | 13 272.9±509.5 a | 18 100.7±29.4 ab | 48.62±1.82 a | |
高产类型平均 Average of high-yield combinations | 1055.0±26.9 b | 3705.5±2.8 a | 13 256.9±571.8 a | 18 266.8±176.7 a | 48.62±1.95 a | |
绿优4923 Lüyou 4923 | 1130.5±6.2 a | 3540.3±56.7 c | 10 384.2±240.2 b | 18 171.2±301.4 ab | 47.16±0.70 b | |
宜香优1108 Yixiangyou 1108 | 1126.0±6.8 a | 3456.1±25.5 d | 11 682.3±365.2 b | 17 409.5±370.4 bc | 47.35±0.97 b | |
中产类型平均 Average of medium-yield combinations | 1128.2±2.8 a | 3498.2±22.4 b | 11 033.3±664.8 b | 17 790.4±333.9 a | 47.26±0.72 b | |
川优6203 Chuanyou 6203 | 1058.5±20.7 b | 2823.7±9.8 e | 11 185.2±506.8 b | 16 856.7±330.3 c | 42.17±0.82 d | |
宜香4245 Yixiang 4245 | 1144.0±42.3 a | 3474.9±13.3 d | 11 580.9±226.8 b | 16 915.5±89.9 c | 45.28±0.39 c | |
低产类型平均 Average of low-yield combinations | 1101.2±24.5 ab | 3149.3±7.9 c | 11 383.1±157.2 b | 16 886.1±333.1 b | 43.73±0.59 c |
表7 机直播不同产量水平杂交籼稻品种各生育时期干物质累积及收获指数
Table 7 Dry matter accumulation and harvest index of indica hybrid rice combinations with different yield potentials at different growth stages under mechnical direct seeding.
地点 Site | 品种 Combination | 生育时期 Growth stages/(kg·hm-2) | 收获指数 Harvest index /% | |||
---|---|---|---|---|---|---|
分蘖盛期 Tillering | 拔节期 Elongation | 齐穗期 Full heading | 成熟期 Ripening | |||
三台 Santai | F优498 F you 498 | 1371.2±59.3 bc | 4918.9±45.9 a | 14 113.7±435.0 a | 18 157.0±157.9 b | 50.13±0.55 a |
隆两优1206 Longliangyou 1206 | 1337.5±11.8 c | 4565.6±47.4 b | 14 288.1±128.6 a | 19 029.6±35.6 a | 47.03±2.14 b | |
高产类型平均 Average of high-yield combinations | 1353.9±26.3 b | 4741.7±45.8 a | 14 200.9±480.1 a | 18 593.3±69.1 a | 48.58±1.15 a | |
绿优4923 Lüyou 4923 | 1415.2±1.8 ab | 4054.1±185.9 c | 12 274.3±255.3 b | 17 825.5±215.5 c | 47.07±2.05 b | |
宜香优1108 Yixiangyou 1108 | 1454.9±39.4 a | 4383.2±81.3 b | 13 068.0±19.1 b | 17 636.1±20.5 cd | 46.75±0.20 b | |
中产类型平均 Average of medium-yield combinations | 1435.1±20.2 a | 4218.6±133.2 b | 12 671.1±322.2 b | 17 730.8±117.1 b | 46.91±1.02 a | |
川优6203 Chuanyou 6203 | 1410.8±22.9 ab | 3574.5±87.9 d | 12 768.1±201.8 b | 17 559.9±83.2 d | 43.53±0.42 c | |
宜香4245 Yixiang 4245 | 1453.4±27.4 a | 3999.3±89.1 c | 13 076.1±218.6 b | 16 505.0±117.7 e | 45.23±0.32 bc | |
低产类型平均 Average of low-yield combinations | 1432.1±13.7 a | 3786.9±87.8 c | 12 922.1±88.7 b | 17 032.4±88.0 c | 44.38±0.33 b | |
崇州 Chongzhou | F优498 F you 498 | 1055.3±40.0 b | 3738.0±15.3 a | 13 241.0±81.4 a | 18 432.9±378.6 a | 48.62±2.15 a |
隆两优1206 Longliangyou 1206 | 1054.8±26.1 b | 3672.9±15.6 b | 13 272.9±509.5 a | 18 100.7±29.4 ab | 48.62±1.82 a | |
高产类型平均 Average of high-yield combinations | 1055.0±26.9 b | 3705.5±2.8 a | 13 256.9±571.8 a | 18 266.8±176.7 a | 48.62±1.95 a | |
绿优4923 Lüyou 4923 | 1130.5±6.2 a | 3540.3±56.7 c | 10 384.2±240.2 b | 18 171.2±301.4 ab | 47.16±0.70 b | |
宜香优1108 Yixiangyou 1108 | 1126.0±6.8 a | 3456.1±25.5 d | 11 682.3±365.2 b | 17 409.5±370.4 bc | 47.35±0.97 b | |
中产类型平均 Average of medium-yield combinations | 1128.2±2.8 a | 3498.2±22.4 b | 11 033.3±664.8 b | 17 790.4±333.9 a | 47.26±0.72 b | |
川优6203 Chuanyou 6203 | 1058.5±20.7 b | 2823.7±9.8 e | 11 185.2±506.8 b | 16 856.7±330.3 c | 42.17±0.82 d | |
宜香4245 Yixiang 4245 | 1144.0±42.3 a | 3474.9±13.3 d | 11 580.9±226.8 b | 16 915.5±89.9 c | 45.28±0.39 c | |
低产类型平均 Average of low-yield combinations | 1101.2±24.5 ab | 3149.3±7.9 c | 11 383.1±157.2 b | 16 886.1±333.1 b | 43.73±0.59 c |
地点 Site | 品种 Combination | 剑叶 Flag leaf | 倒2叶 2nd leaf | 倒3叶 3rd leaf | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
长 Length/cm | 宽 Width/cm | 叶张角 Leaf angle/° | 长 Length/cm | 宽 Width/cm | 叶张角 Leaf angle/° | 长 Length/cm | 宽 Width/cm | 叶张角 Leaf angle/° | ||||
三台 Santai | F优498 F you 498 | 41.02±0.54 a | 1.98±0.06 b | 8.14±0.99 e | 52.64±0.47 a | 1.67±0.02 d | 24.86±0.55 d | 56.46±0.46 a | 1.45±0.03 c | 35.47±0.41 d | ||
隆两优1206 Longliangyou 1206 | 36.83±1.59 b | 1.84±0.04 c | 10.19±0.17 d | 48.46±0.04 b | 1.58±0.07 e | 24.22±0.38 d | 57.34±0.67 a | 1.43±0.01 c | 35.28±0.25 d | |||
高产类型平均 Average of high-yield combinations | 38.93±0.73 a | 1.91±0.02 b | 9.17±0.44 c | 50.55±0.23 a | 1.62±0.04 b | 24.54±0.44 c | 56.90±0.51 a | 1.44±0.02 c | 35.38±0.33 c | |||
绿优4923 Lüyou 4923 | 35.45±0.24 b | 1.95±0.01 b | 11.30±0.05 c | 46.81±0.53 cd | 1.70±0.04 cd | 32.42±0.52 a | 53.26±0.50 c | 1.57±0.03 b | 41.33±0.33 a | |||
宜香优1108 Yixiangyou 1108 | 33.34±0.44 c | 2.16±0.02 a | 12.50±0.17 b | 47.37±0.57 c | 1.91±0.03 a | 28.17±0.44 b | 55.10±0.56 b | 1.54±0.04 b | 39.39±0.35 b | |||
中产类型平均 Average of medium-yield combinations | 34.39±0.33 b | 2.06±0.01 a | 11.90±0.09 b | 47.09±0.24 b | 1.81±0.02 a | 30.29±0.11 a | 54.18±0.12 b | 1.55±0.01 b | 40.36±0.27 a | |||
川优6203 Chuanyou 6203 | 31.72±0.42 d | 1.94±0.04 b | 13.47±0.41 a | 44.72±0.49 e | 1.76±0.02 bc | 28.17±0.29 b | 53.85±0.54 c | 1.66±0.03 a | 36.83±0.73 c | |||
宜香4245 Yixiang 4245 | 32.20±0.63 cd | 2.11±0.04 a | 13.28±0.25 ab | 45.94±0.47 d | 1.82±0.03 b | 27.25±0.46 c | 53.26±0.37 c | 1.66±0.03 a | 37.30±0.05 c | |||
低产类型平均 Average of low-yield combinations | 31.96±0.25 c | 2.02±0.04 a | 13.38±0.23 a | 45.33±0.32 c | 1.79±0.01 a | 27.71±0.11 b | 53.55±0.38 b | 1.66±0.02 a | 37.07±0.37 b | |||
崇州 Chongzhou | F优498 F you 498 | 43.18±0.06 a | 1.79±0.05 c | 7.60±0.12 e | 55.87±0.53 a | 1.45±0.03 b | 21.08±0.51 d | 53.12±0.96 a | 1.25±0.02 c | 32.72±0.63 e | ||
隆两优1206 Longliangyou 1206 | 41.47±0.41 b | 1.84±0.04 bc | 10.01±0.38 d | 53.33±0.68 b | 1.35±0.04 c | 19.31±0.72 e | 52.65±0.90 a | 1.22±0.01 c | 33.83±0.58 d | |||
高产类型平均 Average of high-yield combinations | 42.32±0.20 a | 1.81±0.03 b | 8.80±0.14 c | 54.60±0.59 a | 1.40±0.02 b | 20.19±0.10 c | 52.88±0.83 a | 1.23±0.01 b | 33.28±0.53 c | |||
绿优4923 Lüyou 4923 | 37.43±0.29 c | 1.86±0.01 bc | 12.30±0.29 bc | 50.31±0.33 c | 1.51±0.08 ab | 23.90±0.54 bc | 48.00±0.11 c | 1.25±0.03 c | 35.44±0.12 b | |||
宜香优1108 Yixiangyou 1108 | 36.23±0.24 d | 1.90±0.02 b | 11.73±0.68 c | 45.23±0.64 d | 1.51±0.02 ab | 23.54±0.55 c | 49.56±0.22 b | 1.30±0.03 ab | 35.09±0.61 bc | |||
中产类型平均 Average of medium-yield combinations | 36.83±0.26 b | 1.88±0.01 ab | 12.02±0.40 b | 46.92±0.20 b | 1.51±0.04 a | 23.72±0.49 b | 48.78±0.07 b | 1.28±0.01 a | 35.27±0.25 b | |||
川优6203 Chuanyou 6203 | 35.48±0.40 e | 1.80±0.03 c | 12.85±0.57 b | 43.53±0.21 e | 1.49±0.03 ab | 24.71±0.21 ab | 48.55±0.18 c | 1.27±0.03 bc | 34.31±0.46 cd | |||
宜香4245 Yixiang 4245 | 32.44±0.39 f | 2.09±0.09 a | 13.54±0.28 a | 50.35±0.57 c | 1.56±0.05 a | 25.22±0.25 a | 48.15±0.74 c | 1.32±0.02 a | 38.98±0.78 a | |||
低产类型平均 Average of low-yield combinations | 33.96±0.23 c | 1.94±0.03 a | 13.20±0.42 a | 47.79±0.38 b | 1.53±0.01 a | 24.97±0.23 a | 48.35±0.46 b | 1.29±0.02 a | 36.64±0.25 a |
表8 机直播不同产量水平杂交籼稻品种齐穗期顶三叶长、宽、叶张角
Table 8 Top 3 leaf length and width, leaf opening angle of indica hybrid rice combirations with various yield potentials under mechnical direct seeding.
地点 Site | 品种 Combination | 剑叶 Flag leaf | 倒2叶 2nd leaf | 倒3叶 3rd leaf | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
长 Length/cm | 宽 Width/cm | 叶张角 Leaf angle/° | 长 Length/cm | 宽 Width/cm | 叶张角 Leaf angle/° | 长 Length/cm | 宽 Width/cm | 叶张角 Leaf angle/° | ||||
三台 Santai | F优498 F you 498 | 41.02±0.54 a | 1.98±0.06 b | 8.14±0.99 e | 52.64±0.47 a | 1.67±0.02 d | 24.86±0.55 d | 56.46±0.46 a | 1.45±0.03 c | 35.47±0.41 d | ||
隆两优1206 Longliangyou 1206 | 36.83±1.59 b | 1.84±0.04 c | 10.19±0.17 d | 48.46±0.04 b | 1.58±0.07 e | 24.22±0.38 d | 57.34±0.67 a | 1.43±0.01 c | 35.28±0.25 d | |||
高产类型平均 Average of high-yield combinations | 38.93±0.73 a | 1.91±0.02 b | 9.17±0.44 c | 50.55±0.23 a | 1.62±0.04 b | 24.54±0.44 c | 56.90±0.51 a | 1.44±0.02 c | 35.38±0.33 c | |||
绿优4923 Lüyou 4923 | 35.45±0.24 b | 1.95±0.01 b | 11.30±0.05 c | 46.81±0.53 cd | 1.70±0.04 cd | 32.42±0.52 a | 53.26±0.50 c | 1.57±0.03 b | 41.33±0.33 a | |||
宜香优1108 Yixiangyou 1108 | 33.34±0.44 c | 2.16±0.02 a | 12.50±0.17 b | 47.37±0.57 c | 1.91±0.03 a | 28.17±0.44 b | 55.10±0.56 b | 1.54±0.04 b | 39.39±0.35 b | |||
中产类型平均 Average of medium-yield combinations | 34.39±0.33 b | 2.06±0.01 a | 11.90±0.09 b | 47.09±0.24 b | 1.81±0.02 a | 30.29±0.11 a | 54.18±0.12 b | 1.55±0.01 b | 40.36±0.27 a | |||
川优6203 Chuanyou 6203 | 31.72±0.42 d | 1.94±0.04 b | 13.47±0.41 a | 44.72±0.49 e | 1.76±0.02 bc | 28.17±0.29 b | 53.85±0.54 c | 1.66±0.03 a | 36.83±0.73 c | |||
宜香4245 Yixiang 4245 | 32.20±0.63 cd | 2.11±0.04 a | 13.28±0.25 ab | 45.94±0.47 d | 1.82±0.03 b | 27.25±0.46 c | 53.26±0.37 c | 1.66±0.03 a | 37.30±0.05 c | |||
低产类型平均 Average of low-yield combinations | 31.96±0.25 c | 2.02±0.04 a | 13.38±0.23 a | 45.33±0.32 c | 1.79±0.01 a | 27.71±0.11 b | 53.55±0.38 b | 1.66±0.02 a | 37.07±0.37 b | |||
崇州 Chongzhou | F优498 F you 498 | 43.18±0.06 a | 1.79±0.05 c | 7.60±0.12 e | 55.87±0.53 a | 1.45±0.03 b | 21.08±0.51 d | 53.12±0.96 a | 1.25±0.02 c | 32.72±0.63 e | ||
隆两优1206 Longliangyou 1206 | 41.47±0.41 b | 1.84±0.04 bc | 10.01±0.38 d | 53.33±0.68 b | 1.35±0.04 c | 19.31±0.72 e | 52.65±0.90 a | 1.22±0.01 c | 33.83±0.58 d | |||
高产类型平均 Average of high-yield combinations | 42.32±0.20 a | 1.81±0.03 b | 8.80±0.14 c | 54.60±0.59 a | 1.40±0.02 b | 20.19±0.10 c | 52.88±0.83 a | 1.23±0.01 b | 33.28±0.53 c | |||
绿优4923 Lüyou 4923 | 37.43±0.29 c | 1.86±0.01 bc | 12.30±0.29 bc | 50.31±0.33 c | 1.51±0.08 ab | 23.90±0.54 bc | 48.00±0.11 c | 1.25±0.03 c | 35.44±0.12 b | |||
宜香优1108 Yixiangyou 1108 | 36.23±0.24 d | 1.90±0.02 b | 11.73±0.68 c | 45.23±0.64 d | 1.51±0.02 ab | 23.54±0.55 c | 49.56±0.22 b | 1.30±0.03 ab | 35.09±0.61 bc | |||
中产类型平均 Average of medium-yield combinations | 36.83±0.26 b | 1.88±0.01 ab | 12.02±0.40 b | 46.92±0.20 b | 1.51±0.04 a | 23.72±0.49 b | 48.78±0.07 b | 1.28±0.01 a | 35.27±0.25 b | |||
川优6203 Chuanyou 6203 | 35.48±0.40 e | 1.80±0.03 c | 12.85±0.57 b | 43.53±0.21 e | 1.49±0.03 ab | 24.71±0.21 ab | 48.55±0.18 c | 1.27±0.03 bc | 34.31±0.46 cd | |||
宜香4245 Yixiang 4245 | 32.44±0.39 f | 2.09±0.09 a | 13.54±0.28 a | 50.35±0.57 c | 1.56±0.05 a | 25.22±0.25 a | 48.15±0.74 c | 1.32±0.02 a | 38.98±0.78 a | |||
低产类型平均 Average of low-yield combinations | 33.96±0.23 c | 1.94±0.03 a | 13.20±0.42 a | 47.79±0.38 b | 1.53±0.01 a | 24.97±0.23 a | 48.35±0.46 b | 1.29±0.02 a | 36.64±0.25 a |
地点 Site | 品种 Combination | 叶位 Leaf site/cm | 相对叶位 Percent of leaf site to plant height/% | 株高 Plant height/cm | |||||
---|---|---|---|---|---|---|---|---|---|
剑叶 Flag leaf | 倒2叶 2nd leaf | 倒3叶 3rd leaf | 剑叶 Flag leaf | 倒2叶 2nd leaf | 倒3叶 3rd leaf | ||||
三台 Santai | F优498 F you 498 | 96.00±0.57 b | 59.94±0.30 bc | 45.52±0.30 a | 78.22±0.43 b | 48.84±0.22 d | 37.09±0.26 b | 122.73±0.06 a | |
隆两优1206 Longliangyou 1206 | 97.35±0.19 a | 59.62±0.24 c | 45.37±0.18 a | 81.72±0.89 a | 49.70±0.69 cd | 38.09±0.53 a | 119.13±1.27 bc | ||
高产类型平均 Average of high-yield combinations | 96.68±0.20 a | 59.62±0.14 c | 45.45±0.16 a | 79.97±0.37 a | 49.31±0.37 c | 37.59±0.23 a | 120.93±0.63 a | ||
绿优4923 Lüyou 4923 | 91.41±0.54 c | 59.29±0.88 c | 40.94±0.42 c | 77.34±0.54 b | 50.44±0.64 bc | 34.64±0.44 cd | 118.20±0.30 c | ||
宜香优1108 Yixiangyou 1108 | 88.13±0.55 d | 62.01±0.64 a | 42.03±0.68 b | 74.01±0.43 c | 52.08±0.45 a | 35.29±0.58 c | 119.07±0.25 bc | ||
中产类型平均 Average of medium-yield combinations | 89.77±0.08 b | 60.82±0.16 a | 41.48±0.54 b | 75.67±0.09 b | 51.260.18 a | 34.97±0.49 b | 118.63±0.13 c | ||
川优6203Chuanyou 6203 | 87.67±0.44 d | 59.85±0.52 bc | 39.90±0.86 d | 72.80±0.68 d | 49.77±0.15 c | 33.13±0.67 e | 120.43±0.80 b | ||
宜香4245Yixiang 4245 | 85.95±0.79 e | 60.96±0.69 ab | 40.77±0.44 cd | 72.35±0.61 d | 51.31±0.38 ab | 34.32±0.45 d | 118.80±0.89 c | ||
低产类型平均 Average of low-yield combinations | 86.81±0.55 c | 60.41±0.12 b | 40.34±0.23 c | 72.57±0.60 c | 50.51±0.12 b | 33.73±0.11 c | 119.62±0.28 b | ||
崇州 Chongzhou | F优498 F you 498 | 93.33±0.30 b | 61.56±0.22 a | 48.11±0.51 a | 76.75±0.10 b | 50.62±0.35 a | 39.57±0.43 a | 121.60±0.48 a | |
隆两优1206 Longliangyou 1206 | 98.12±0.05 a | 60.62±0.64 b | 43.05±0.60 b | 80.39±0.47 a | 49.67±0.79 b | 35.27±0.50 b | 122.05±0.65 a | ||
高产类型平均 Average of high-yield combinations | 95.72±0.17 a | 61.09±0.24 a | 45.58±0.07 a | 78.57±0.21 a | 50.15±0.23 a | 37.42±0.05 a | 121.83±0.10 a | ||
绿优4923 Lüyou 4923 | 90.49±0.14 c | 56.50±0.43 d | 41.70±0.15 c | 75.11±0.11 c | 46.90±0.44 d | 34.62±0.17 b | 120.48±0.30 b | ||
宜香优1108 Yixiangyou 1108 | 70.91±0.76 f | 44.82±0.62 f | 32.06±0.66 e | 59.60±1.07 f | 37.67±0.25 f | 26.94±0.43 e | 118.98±0.88 c | ||
中产类型平均 Average of medium-yield combinations | 80.70±0.39 c | 50.66±0.42 c | 36.88±0.35 b | 67.36±0.48 c | 42.28±0.32 c | 30.78±0.26 b | 119.74±0.34 c | ||
川优6203 Chuanyou 6203 | 87.09±0.33 d | 57.52±0.14 c | 36.02±0.31 d | 73.01±0.28 d | 48.23±0.48 c | 30.20±0.43 c | 119.28±0.90 c | ||
宜香4245 Yixiang 4245 | 85.31±0.76 e | 48.31±0.21 e | 35.36±0.62 d | 69.82±0.96 e | 39.54±0.37 e | 28.94±0.60 d | 122.18±0.62 a | ||
低产类型平均 Average of low-yield combinations | 86.20±0.36 b | 52.92±0.16 b | 35.69±0.42 c | 71.42±0.54 b | 43.89±0.39 b | 29.57±0.48 c | 120.74±0.69 b |
表9 机直播不同产量水平杂交籼稻品种顶三叶空间分布
Table 9 Spatial distribution of top three leaves of indica hybrid rice combinations with different yield potentials under mechanical direct seeding.
地点 Site | 品种 Combination | 叶位 Leaf site/cm | 相对叶位 Percent of leaf site to plant height/% | 株高 Plant height/cm | |||||
---|---|---|---|---|---|---|---|---|---|
剑叶 Flag leaf | 倒2叶 2nd leaf | 倒3叶 3rd leaf | 剑叶 Flag leaf | 倒2叶 2nd leaf | 倒3叶 3rd leaf | ||||
三台 Santai | F优498 F you 498 | 96.00±0.57 b | 59.94±0.30 bc | 45.52±0.30 a | 78.22±0.43 b | 48.84±0.22 d | 37.09±0.26 b | 122.73±0.06 a | |
隆两优1206 Longliangyou 1206 | 97.35±0.19 a | 59.62±0.24 c | 45.37±0.18 a | 81.72±0.89 a | 49.70±0.69 cd | 38.09±0.53 a | 119.13±1.27 bc | ||
高产类型平均 Average of high-yield combinations | 96.68±0.20 a | 59.62±0.14 c | 45.45±0.16 a | 79.97±0.37 a | 49.31±0.37 c | 37.59±0.23 a | 120.93±0.63 a | ||
绿优4923 Lüyou 4923 | 91.41±0.54 c | 59.29±0.88 c | 40.94±0.42 c | 77.34±0.54 b | 50.44±0.64 bc | 34.64±0.44 cd | 118.20±0.30 c | ||
宜香优1108 Yixiangyou 1108 | 88.13±0.55 d | 62.01±0.64 a | 42.03±0.68 b | 74.01±0.43 c | 52.08±0.45 a | 35.29±0.58 c | 119.07±0.25 bc | ||
中产类型平均 Average of medium-yield combinations | 89.77±0.08 b | 60.82±0.16 a | 41.48±0.54 b | 75.67±0.09 b | 51.260.18 a | 34.97±0.49 b | 118.63±0.13 c | ||
川优6203Chuanyou 6203 | 87.67±0.44 d | 59.85±0.52 bc | 39.90±0.86 d | 72.80±0.68 d | 49.77±0.15 c | 33.13±0.67 e | 120.43±0.80 b | ||
宜香4245Yixiang 4245 | 85.95±0.79 e | 60.96±0.69 ab | 40.77±0.44 cd | 72.35±0.61 d | 51.31±0.38 ab | 34.32±0.45 d | 118.80±0.89 c | ||
低产类型平均 Average of low-yield combinations | 86.81±0.55 c | 60.41±0.12 b | 40.34±0.23 c | 72.57±0.60 c | 50.51±0.12 b | 33.73±0.11 c | 119.62±0.28 b | ||
崇州 Chongzhou | F优498 F you 498 | 93.33±0.30 b | 61.56±0.22 a | 48.11±0.51 a | 76.75±0.10 b | 50.62±0.35 a | 39.57±0.43 a | 121.60±0.48 a | |
隆两优1206 Longliangyou 1206 | 98.12±0.05 a | 60.62±0.64 b | 43.05±0.60 b | 80.39±0.47 a | 49.67±0.79 b | 35.27±0.50 b | 122.05±0.65 a | ||
高产类型平均 Average of high-yield combinations | 95.72±0.17 a | 61.09±0.24 a | 45.58±0.07 a | 78.57±0.21 a | 50.15±0.23 a | 37.42±0.05 a | 121.83±0.10 a | ||
绿优4923 Lüyou 4923 | 90.49±0.14 c | 56.50±0.43 d | 41.70±0.15 c | 75.11±0.11 c | 46.90±0.44 d | 34.62±0.17 b | 120.48±0.30 b | ||
宜香优1108 Yixiangyou 1108 | 70.91±0.76 f | 44.82±0.62 f | 32.06±0.66 e | 59.60±1.07 f | 37.67±0.25 f | 26.94±0.43 e | 118.98±0.88 c | ||
中产类型平均 Average of medium-yield combinations | 80.70±0.39 c | 50.66±0.42 c | 36.88±0.35 b | 67.36±0.48 c | 42.28±0.32 c | 30.78±0.26 b | 119.74±0.34 c | ||
川优6203 Chuanyou 6203 | 87.09±0.33 d | 57.52±0.14 c | 36.02±0.31 d | 73.01±0.28 d | 48.23±0.48 c | 30.20±0.43 c | 119.28±0.90 c | ||
宜香4245 Yixiang 4245 | 85.31±0.76 e | 48.31±0.21 e | 35.36±0.62 d | 69.82±0.96 e | 39.54±0.37 e | 28.94±0.60 d | 122.18±0.62 a | ||
低产类型平均 Average of low-yield combinations | 86.20±0.36 b | 52.92±0.16 b | 35.69±0.42 c | 71.42±0.54 b | 43.89±0.39 b | 29.57±0.48 c | 120.74±0.69 b |
地点 Site | 品种 Combination | 齐穗 Full-heading stage | 齐穗后15 d 15 days after full-heading | 齐穗后30 d 30 days after full-heading | |||||
---|---|---|---|---|---|---|---|---|---|
中部 Middle part | 基部 Basal part | 中部 Middle part | 基部 Basal part | 中部 Middle part | 基部 Basal part | ||||
三台 Santai | F优498 F you 498 | 11.21±0.58 d | 6.19±0.46 c | 6.81±0.32 e | 2.91±0.16 d | 15.85±0.64 d | 8.06±0.80 d | ||
隆两优1206 Longliangyou 1206 | 11.38±0.05 d | 6.55±0.52 c | 7.89±0.32 d | 2.76±0.11 d | 15.23±0.76 d | 10.23±0.45 c | |||
高产类型平均 Average of high-yield combinations | 11.29±0.31 c | 6.37±0.03 c | 7.35±0.14 c | 2.83±0.10 c | 15.54±0.24 c | 9.14±0.58 b | |||
绿优4923 Lüyou 4923 | 15.07±0.60 b | 11.72±0.70 a | 9.34±0.21 b | 4.51±0.27 b | 20.45±0.29 c | 12.67±0.55 b | |||
宜香优1108 Yixiangyou 1108 | 14.06±0.14 c | 10.72±0.64 a | 8.49±0.04 c | 4.11±0.39 c | 22.03±0.80 b | 13.13±0.55 ab | |||
中产类型平均 Average of medium-yield combinations | 14.57±0.23 b | 11.21±0.67 a | 8.91±0.13 b | 4.31±0.31 b | 21.25±0.54 b | 12.90±0.33 a | |||
川优6203Chuanyou 6203 | 15.92±0.09 a | 9.33±0.16 b | 9.01±0.20 b | 5.25±0.13 a | 25.07±0.81 a | 14.08±0.86 a | |||
宜香4245Yixiang 4245 | 14.31±0.40 c | 10.75±0.57 a | 10.27±0.10 a | 5.58±0.01 a | 22.89±0.38 b | 12.69±0.80 b | |||
低产类型平均 Average of low-yield combinations | 15.12±0.16 a | 10.04±0.33 b | 9.64±0.05 a | 5.41±0.07 a | 23.99±0.43 a | 13.39±0.69 a | |||
崇州 Chongzhou | F优498 F you 498 | 13.72±0.22 d | 8.10±0.14 d | 8.74±0.27 e | 4.30±0.30 c | 17.18±0.76 d | 8.72±0.44 d | ||
隆两优1206 Longliangyou 1206 | 13.57±0.76 d | 8.11±0.42 d | 9.32±0.19 d | 4.36±0.23 c | 16.90±0.70 d | 11.23±0.65 c | |||
高产类型平均 Average of high-yield combinations | 13.65±0.27 c | 8.10±0.28 c | 9.03±0.22 c | 4.33±0.27 c | 17.04±0.72 c | 9.98±0.52 b | |||
绿优4923 Lüyou 4923 | 20.97±0.76 c | 10.87±0.27 ab | 11.59±0.28 c | 5.01±0.34 b | 24.79±0.52 c | 14.00±0.13 b | |||
宜香优1108 Yixiangyou 1108 | 20.78±0.31 c | 11.43±0.06 a | 11.50±0.15 c | 4.93±0.18 b | 25.70±0.23 b | 13.46±0.03 b | |||
中产类型平均 Average of medium-yield combinations | 20.87±0.28 b | 11.15±0.10 a | 11.55±0.09 b | 4.97±0.11 b | 25.25±0.24 b | 13.73±0.05 a | |||
川优6203 Chuanyou 6203 | 25.06±0.33 a | 10.46±0.54 b | 13.58±0.05 a | 5.61±0.51 a | 28.40±0.56 a | 14.75±0.35 a | |||
宜香4245 Yixiang 4245 | 23.05±0.39 b | 9.65±0.24 c | 12.74±0.06 b | 5.15±0.02 ab | 25.23±0.75 bc | 14.02±0.36 b | |||
低产类型平均 Average of low-yield combinations | 24.05±0.03 a | 10.06±0.39 b | 13.16±0.01 a | 5.38±0.26 a | 26.82±0.65 a | 14.39±0.34 a |
表1 0 机直播不同产量水平杂交籼稻的群体透光率
Table 1 0. Light transmission rate of indica hybrid rice combinations with different yield potentials under mechanical direct seeding /%
地点 Site | 品种 Combination | 齐穗 Full-heading stage | 齐穗后15 d 15 days after full-heading | 齐穗后30 d 30 days after full-heading | |||||
---|---|---|---|---|---|---|---|---|---|
中部 Middle part | 基部 Basal part | 中部 Middle part | 基部 Basal part | 中部 Middle part | 基部 Basal part | ||||
三台 Santai | F优498 F you 498 | 11.21±0.58 d | 6.19±0.46 c | 6.81±0.32 e | 2.91±0.16 d | 15.85±0.64 d | 8.06±0.80 d | ||
隆两优1206 Longliangyou 1206 | 11.38±0.05 d | 6.55±0.52 c | 7.89±0.32 d | 2.76±0.11 d | 15.23±0.76 d | 10.23±0.45 c | |||
高产类型平均 Average of high-yield combinations | 11.29±0.31 c | 6.37±0.03 c | 7.35±0.14 c | 2.83±0.10 c | 15.54±0.24 c | 9.14±0.58 b | |||
绿优4923 Lüyou 4923 | 15.07±0.60 b | 11.72±0.70 a | 9.34±0.21 b | 4.51±0.27 b | 20.45±0.29 c | 12.67±0.55 b | |||
宜香优1108 Yixiangyou 1108 | 14.06±0.14 c | 10.72±0.64 a | 8.49±0.04 c | 4.11±0.39 c | 22.03±0.80 b | 13.13±0.55 ab | |||
中产类型平均 Average of medium-yield combinations | 14.57±0.23 b | 11.21±0.67 a | 8.91±0.13 b | 4.31±0.31 b | 21.25±0.54 b | 12.90±0.33 a | |||
川优6203Chuanyou 6203 | 15.92±0.09 a | 9.33±0.16 b | 9.01±0.20 b | 5.25±0.13 a | 25.07±0.81 a | 14.08±0.86 a | |||
宜香4245Yixiang 4245 | 14.31±0.40 c | 10.75±0.57 a | 10.27±0.10 a | 5.58±0.01 a | 22.89±0.38 b | 12.69±0.80 b | |||
低产类型平均 Average of low-yield combinations | 15.12±0.16 a | 10.04±0.33 b | 9.64±0.05 a | 5.41±0.07 a | 23.99±0.43 a | 13.39±0.69 a | |||
崇州 Chongzhou | F优498 F you 498 | 13.72±0.22 d | 8.10±0.14 d | 8.74±0.27 e | 4.30±0.30 c | 17.18±0.76 d | 8.72±0.44 d | ||
隆两优1206 Longliangyou 1206 | 13.57±0.76 d | 8.11±0.42 d | 9.32±0.19 d | 4.36±0.23 c | 16.90±0.70 d | 11.23±0.65 c | |||
高产类型平均 Average of high-yield combinations | 13.65±0.27 c | 8.10±0.28 c | 9.03±0.22 c | 4.33±0.27 c | 17.04±0.72 c | 9.98±0.52 b | |||
绿优4923 Lüyou 4923 | 20.97±0.76 c | 10.87±0.27 ab | 11.59±0.28 c | 5.01±0.34 b | 24.79±0.52 c | 14.00±0.13 b | |||
宜香优1108 Yixiangyou 1108 | 20.78±0.31 c | 11.43±0.06 a | 11.50±0.15 c | 4.93±0.18 b | 25.70±0.23 b | 13.46±0.03 b | |||
中产类型平均 Average of medium-yield combinations | 20.87±0.28 b | 11.15±0.10 a | 11.55±0.09 b | 4.97±0.11 b | 25.25±0.24 b | 13.73±0.05 a | |||
川优6203 Chuanyou 6203 | 25.06±0.33 a | 10.46±0.54 b | 13.58±0.05 a | 5.61±0.51 a | 28.40±0.56 a | 14.75±0.35 a | |||
宜香4245 Yixiang 4245 | 23.05±0.39 b | 9.65±0.24 c | 12.74±0.06 b | 5.15±0.02 ab | 25.23±0.75 bc | 14.02±0.36 b | |||
低产类型平均 Average of low-yield combinations | 24.05±0.03 a | 10.06±0.39 b | 13.16±0.01 a | 5.38±0.26 a | 26.82±0.65 a | 14.39±0.34 a |
指标 Index | 有效穗数 Effective panicle number | 每穗实粒数 Filled grain number per panicle | 结实率 Seed-setting rate | 实际产量 Grain yield | |
---|---|---|---|---|---|
叶面积指数LAI | 分蘖盛期 Tillering | 0.28 | –0.04 | –0.07 | 0.03 |
拔节期 Elongation | 0.75** | 0.68** | 0.63** | 0.71** | |
齐穗期 Full heading | 0.61** | 0.57** | 0.59** | 0.53** | |
高效LAI Efficient LAI | 0.83** | 0.70** | 0.62** | 0.73** | |
高效叶面积率 Efficient leaf area ratio | 0.88** | 0.62** | 0.37* | 0.79** | |
干物质量Dry matter accumulation | 分蘖盛期 Tillering | 0.22 | –0.11 | –0.20 | –0.04 |
拔节期 Elongation | 0.68** | 0.53** | 0.32 | 0.63** | |
齐穗期 Full heading | 0.62** | 0.49** | 0.48** | 0.45** | |
成熟期 Ripening | 0.65** | 0.76** | 0.65** | 0.84** | |
收获指数 Harvest index | 0.72** | 0.59** | 0.34* | 0.90** | |
剑叶Flag leaf | 长 Lenght | 0.56** | 0.62** | 0.61** | 0.74** |
宽 Width | –0.16 | –0.33* | –0.48** | –0.29 | |
叶张角 Leaf angle | –0.67** | –0.67** | –0.63** | –0.83** | |
倒2叶2nd leaf | 长 Lenght | 0.50** | 0.61** | 0.48** | 0.65** |
宽 Width | –0.01 | –0.31 | –0.41* | –0.23 | |
叶张角 Leaf angle | –0.22 | –0.48** | –0.46** | –0.36* | |
倒3叶3rd leaf | 长 Lenght | 0.69** | 0.49** | –0.45** | 0.51** |
宽 Width | 0.07 | –0.32 | –0.29 | –0.25 | |
叶张角 Leaf angle | –0.21 | –0.39* | –0.49** | –0.28 | |
叶位Leaf site | 剑叶 Flag leaf | 0.63** | 0.64** | 0.58** | 0.52** |
倒2叶 2nd leaf | 0.56** | 0.32 | 0.25 | 0.23 | |
倒3叶 3rd leaf | 0.78** | 0.69** | 0.52** | 0.67** | |
株高 Plant height | 0.13 | 0.23 | 0.40* | 0.37* | |
齐穗期透光率 Light transmission during full-heading | 中部 Middle part | –0.84** | –0.56** | –0.41* | –0.65** |
基部 Basal part | –0.50** | –0.71** | –0.82** | –0.56** | |
齐穗15 d透光率 Light transmission 15 days after full-heading | 中部 Middle part | –0.75** | –0.54** | –0.49** | –0.70** |
基部 Basal part | –0.66** | –0.76** | –0.67** | –0.81** | |
齐穗30 d透光率 Light transmission 30 days after full-heading | 中部 Middle part | –0.84** | –0.79** | –0.62** | –0.83** |
基部 Basal part | –0.72** | –0.68** | –0.62** | –0.78** |
表1 1 不同时期叶面积指数、群体透光率、干物质量及株型与产量的相关性
Table 1 1. Correlation between leaf area index, light transmission rate, dry matter accumulation and plant type and yield at different periods (n=36).
指标 Index | 有效穗数 Effective panicle number | 每穗实粒数 Filled grain number per panicle | 结实率 Seed-setting rate | 实际产量 Grain yield | |
---|---|---|---|---|---|
叶面积指数LAI | 分蘖盛期 Tillering | 0.28 | –0.04 | –0.07 | 0.03 |
拔节期 Elongation | 0.75** | 0.68** | 0.63** | 0.71** | |
齐穗期 Full heading | 0.61** | 0.57** | 0.59** | 0.53** | |
高效LAI Efficient LAI | 0.83** | 0.70** | 0.62** | 0.73** | |
高效叶面积率 Efficient leaf area ratio | 0.88** | 0.62** | 0.37* | 0.79** | |
干物质量Dry matter accumulation | 分蘖盛期 Tillering | 0.22 | –0.11 | –0.20 | –0.04 |
拔节期 Elongation | 0.68** | 0.53** | 0.32 | 0.63** | |
齐穗期 Full heading | 0.62** | 0.49** | 0.48** | 0.45** | |
成熟期 Ripening | 0.65** | 0.76** | 0.65** | 0.84** | |
收获指数 Harvest index | 0.72** | 0.59** | 0.34* | 0.90** | |
剑叶Flag leaf | 长 Lenght | 0.56** | 0.62** | 0.61** | 0.74** |
宽 Width | –0.16 | –0.33* | –0.48** | –0.29 | |
叶张角 Leaf angle | –0.67** | –0.67** | –0.63** | –0.83** | |
倒2叶2nd leaf | 长 Lenght | 0.50** | 0.61** | 0.48** | 0.65** |
宽 Width | –0.01 | –0.31 | –0.41* | –0.23 | |
叶张角 Leaf angle | –0.22 | –0.48** | –0.46** | –0.36* | |
倒3叶3rd leaf | 长 Lenght | 0.69** | 0.49** | –0.45** | 0.51** |
宽 Width | 0.07 | –0.32 | –0.29 | –0.25 | |
叶张角 Leaf angle | –0.21 | –0.39* | –0.49** | –0.28 | |
叶位Leaf site | 剑叶 Flag leaf | 0.63** | 0.64** | 0.58** | 0.52** |
倒2叶 2nd leaf | 0.56** | 0.32 | 0.25 | 0.23 | |
倒3叶 3rd leaf | 0.78** | 0.69** | 0.52** | 0.67** | |
株高 Plant height | 0.13 | 0.23 | 0.40* | 0.37* | |
齐穗期透光率 Light transmission during full-heading | 中部 Middle part | –0.84** | –0.56** | –0.41* | –0.65** |
基部 Basal part | –0.50** | –0.71** | –0.82** | –0.56** | |
齐穗15 d透光率 Light transmission 15 days after full-heading | 中部 Middle part | –0.75** | –0.54** | –0.49** | –0.70** |
基部 Basal part | –0.66** | –0.76** | –0.67** | –0.81** | |
齐穗30 d透光率 Light transmission 30 days after full-heading | 中部 Middle part | –0.84** | –0.79** | –0.62** | –0.83** |
基部 Basal part | –0.72** | –0.68** | –0.62** | –0.78** |
图1 机直播不同产量水平杂交籼稻茎蘖动态变化
Fig.1. Dynamic changes of stem and tiller number of indica hybrid rice with different yield potentials under mechanical direct seeding.
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