不同产量水平的杂交籼稻品种穴直播茎秆抗倒特性及其差异性比较
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郭长春,张桥,孙永健,武云霞,徐徽,何艳,杨志远,马鹏,彭志芸,马均
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Comparison of stem lodging resistance characteristics and differences of indica hybrid rice cultivars with different yield levels in precision direct seeding
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Changchun GUO,Qiao ZHANG,Yongjian SUN,Yunxia WU,Hui XU,Yan HE,Zhiyuan YANG,Peng MA,Zhiyun PENG,Jun MA
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表4 不同产量类型杂交籼稻品种节间长及重心高度 |
Table 4 Internode length and gravity center height of indica hybrid rice in different yield types |
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地点 Site | 品种 Cultivar | 节间长 Internode length/cm | 茎秆长 Stem length/cm | 重心高度 GCH/cm | 相对重心高度 RGCH/% | N1 | N2 | N3 | N4 | N5 | 不同生态区配对t测验(t-值) Paired t test in different ecological zones (t-value) | 0.11 | 3.99** | 0.70 | 1.11 | -1.99 | -0.04 | 4.32** | 4.50** | 三台 Santai | 高产 High yield | F优498 F you 498 | 3.40±0.52d | 8.97±0.40c | 13.33±0.29c | 27.60±0.79a | 39.23±0.23a | 92.53±0.31a | 57.07±0.51b | 47.55±0.77b | 隆两优1206 Longliangyou 1206 | 4.63±0.23c | 10.17±0.58b | 12.83±0.58c | 26.63±0.55a | 36.03±0.06b | 90.30±0.26c | 61.67±0.76a | 51.91±0.19a | | 平均 Average | 4.02±0.23c | 9.57±0.49b | 13.08±0.38c | 27.12±0.57a | 37.63±0.10a | 91.42±0.28a | 59.37±0.13a | 49.73±0.31a | 中产 Medium yield | 绿优4923 Lüyou 4923 | 6.43±0.40a | 11.40±0.17a | 14.53±0.06b | 23.13±0.65bc | 34.37±0.47c | 89.87±0.06c | 53.83±1.15d | 45.30±0.58d | 宜香优1108 Yixiangyou 1108 | 7.00±0.10a | 11.80±0.17a | 13.60±0.17c | 23.90±0.46b | 34.77±0.68c | 91.07±0.40b | 50.90±0.96e | 42.63±0.31e | | 平均 Average | 6.72±0.21a | 11.60±0.15a | 14.07±0.08b | 23.52±0.55b | 34.57±0.43b | 90.47±0.19b | 52.37±0.96c | 43.96±0.32c | 低产 Low yield | 川优6203 Chuanyou 6203 | 6.67±0.29a | 11.67±0.49a | 15.73±0.68a | 22.40±0.17c | 34.83±0.58c | 91.30±0.35b | 55.50±0.40c | 46.11±0.59cd | 宜香4245 Yixiang 4245 | 5.47±0.45b | 11.00±0.46a | 15.00±0.46ab | 23.83±0.58b | 34.97±0.57c | 90.27±0.25c | 55.70±0.44bc | 46.42±0.26c | | 平均 Average | 6.07±0.12b | 11.33±0.14a | 15.37±0.18a | 23.12±0.34b | 34.90±0.22b | 90.78±0.28b | 55.60±0.31b | 46.27±0.42b | 崇州 Chong zhou | 高产 High yield | F优498 F you 498 | 4.68±0.46bc | 7.92±0.86c | 12.18±0.63c | 26.20±0.97a | 39.42±0.15b | 90.40±0.09bc | 52.83±0.75b | 43.79±0.55b | 隆两优1206 Longliangyou 1206 | 4.08±0.49c | 9.28±0.20b | 13.23±0.10bc | 26.42±0.58a | 40.90±0.62a | 93.92±0.42a | 55.10±0.87a | 45.18±0.80a | | 平均 Average | 4.39±0.28b | 8.60±0.52c | 12.71±0.28b | 26.31±0.77a | 40.16±0.35a | 92.16±0.17a | 53.97±0.69a | 44.49±0.59a | 中产 Medium yield | 绿优4923 Lüyou 4923 | 6.07±0.83ab | 10.57±0.42a | 14.92±0.53a | 22.75±1.00b | 35.22±0.60d | 89.52±0.23c | 50.68±0.43c | 42.35±1.09c | 宜香优1108 Yixiangyou 1108 | 7.03±0.89a | 11.27±0.53a | 13.65±1.04b | 24.87±0.92a | 33.93±0.83e | 90.75±0.69b | 50.22±0.68c | 41.95±0.17c | | 平均 Average | 6.55±0.63a | 10.92±0.18a | 14.29±0.75a | 23.81±0.60b | 34.58±0.40c | 90.13±0.32b | 50.45±0.49b | 42.15±0.59b | 低产 Low yield | 川优6203 Chuanyou 6203 | 5.77±1.35ab | 9.58±0.15b | 14.90±0.48a | 22.38±0.67b | 37.35±0.23c | 90.00±0.67bc | 47.40±0.26d | 39.82±0.60d | 宜香4245 Yixiang 4245 | 5.77±0.24ab | 10.57±0.10a | 15.02±0.56a | 22.40±0.64b | 37.22±0.64c | 90.95±0.52b | 48.25±0.44d | 39.84±0.32d | | 平均 Average | 5.77±0.78a | 10.08±0.04b | 14.96±0.09a | 22.39±0.36c | 37.29±0.42b | 90.48±0.24b | 47.83±0.20c | 39.83±0.24c |
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