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6 不同产量类型杂交籼稻品种的基部节间扁平率、空腔面积及秆型指数 |
Table 6 Internode oblate rate, cavity area, and culm type index of indica hybrid rice cultivars in different yield types |
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地点 Site | 品种 Cultivar | 秆型指数 Culm type index/% | | 扁平率 Oblate rate/% | | 空腔面积 Cavity area/mm2 | N1 | N2 | N3 | N1 | N2 | N3 | N1 | N2 | N3 | 不同生态区配对t测验(t-值) Paired t test in different ecological zones (t-value) | 0.85 | -4.74** | -5.37** | -1.33 | 2.86* | 4.46** | 5.94** | 4.63** | 3.62* | 三台 Santai | 高产 High yield | F优498 F you 498 | 0.77±0.01a | 0.69±0.01a | 0.63±0.01a | | 13.75±0.41a | 13.62±0.09a | 12.22±0.65a | | 20.65±0.49c | 23.77±1.04b | 22.51±0.40bc | 隆两优1206 Longliangyou 1206 | 0.78±0.01a | 0.65±0.01b | 0.60±0.01b | | 14.05±0.44a | 13.89±0.51a | 11.74±0.51a | | 19.13±0.40d | 22.59±0.13c | 21.41±0.32c | | 平均 Average | 0.78±0.01a | 0.67±0.02a | 0.61±0.01a | 13.91±0.34a | 13.76±0.30a | 11.98±0.42a | 19.89±0.42c | 23.18±0.53c | 21.96±0.12b | 中产 Medium yield | 绿优4923 Lüyou 4923 | 0.73±0.01b | 0.67±0.01ab | 0.59±0.01b | 12.75±0.62b | 12.58±0.19b | 10.85±0.35b | 23.16±0.57b | 24.89±0.27b | 23.24±0.47b | 宜香优1108 Yixiangyou 1108 | 0.72±0.04b | 0.60±0.01c | 0.55±0.01c | 12.74±0.16b | 12.23±1.13b | 10.51±0.25b | 22.31±0.58b | 23.79±0.20b | 20.14±1.01d | | 平均 Average | 0.72±0.03b | 0.63±0.01b | 0.57±0.01b | 12.91±0.43a | 12.40±0.49b | 10.58±0.11b | 22.73±0.48b | 24.34±0.24b | 21.69±0.37b | 低产 Low yield | 川优6203 Chuanyou 6203 | 0.68±0.03c | 0.58±0.03c | 0.55±0.02c | 10.14±0.63c | 7.17±0.18d | 8.11±0.67c | 24.92±0.80a | 29.10±0.93a | 24.97±0.80a | 宜香4245 Yixiang 4245 | 0.67±0.01c | 0.58±0.01c | 0.50±0.01d | 12.08±0.50b | 8.99±0.46c | 10.30±0.38b | 25.39±0.41a | 28.02±0.51a | 25.95±0.83a | | 平均 Average | 0.67±0.01c | 0.58±0.02c | 0.53±0.01c | 11.11±0.53b | 8.08±0.15c | 9.31±0.51c | 25.15±0.57a | 28.56±0.38a | 25.46±0.80a | 崇州 Chongzhou | 高产 High yield | F优498 F you 498 | 0.78±0.01a | 0.77±0.01a | 0.75±0.01a | 17.71±0.33a | 11.78±0.40b | 8.80±0.24b | 17.29±0.68b | 19.61±0.18d | 17.71±0.32c | 隆两优1206 Longliangyou 1206 | 0.73±0.02b | 0.70±0.02b | 0.68±0.01b | 16.14±0.80b | 12.67±0.26a | 10.54±0.35a | 17.82±0.41b | 17.97±0.24e | 16.17±0.50d | | 平均 Average | 0.75±0.01a | 0.74±0.01a | 0.72±0.01a | 16.92±0.55a | 12.22±0.18a | 9.67±0.15a | 17.55±0.19b | 18.79±0.17b | 16.94±0.23b | 中产 Medium yield | 绿优4923 Lüyou 4923 | 0.67±0.02d | 0.68±0.01c | 0.65±0.01c | 12.15±0.84d | 8.11±0.74cd | 8.19±0.53bc | 17.78±0.35b | 23.86±0.54a | 23.17±0.50a | 宜香优1108 Yixiangyou 1108 | 0.69±0.01c | 0.66±0.01d | 0.60±0.02d | 11.81±0.29d | 8.27±0.21c | 7.90±0.25c | 16.30±0.52c | 20.01±0.45cd | 18.74±0.12b | | 平均 Average | 0.68±0.01c | 0.67±0.01b | 0.62±0.01c | 11.98±0.35b | 8.19±0.48b | 8.05±0.18b | 17.04±0.14c | 21.94±0.45a | 20.95±0.31a | 低产 Low yield | 川优6203 Chuanyou 6203 | 0.70±0.01c | 0.68±0.01c | 0.65±0.02c | 13.26±0.50c | 7.56±0.33de | 7.85±0.55c | 19.23±0.63a | 20.63±0.29c | 19.03±0.23b | 宜香4245 Yixiang 4245 | 0.70±0.01c | 0.68±0.01c | 0.67±0.01bc | 11.45±0.13d | 7.40±0.44e | 7.92±0.08c | 19.35±0.11a | 22.82±0.57b | 22.80±0.07a | | 平均 Average | 0.70±0.02b | 0.68±0.01b | 0.66±0.01b | 12.35±0.24b | 7.48±0.35c | 7.89±0.29b | 19.29±0.37a | 21.72±0.14a | 20.92±0.14a |
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