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5 不同产量类型杂交籼稻品种的节间粗度和茎壁厚度 |
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| 地点 Site | 品种 Cultivar | 节间粗度 Internode diameter/mm | | 茎壁厚度 Culm thickness/mm | | N1 | N2 | N3 | N1 | N2 | N3 | | 三台 Santai | 高产 High yield | F优498 F you 498 | 7.16±0.22a | 6.41±0.24a | 5.74±0.47a | | 1.34±0.01a | 1.20±0.05a | 1.08±0.06a | | 隆两优1206 Longliangyou 1206 | 6.74±0.12b | 5.83±0.13b | 5.66±0.11a | 1.31±0.01b | 1.17±0.05a | 1.06±0.06a | | 平均 Average | 6.95±0.12a | 6.12±0.13a | 5.70±0.18a | 1.33±0.06a | 1.19±0.06a | 1.07±0.05a | | 中产 Medium yield | 绿优4923 Lüyou 4923 | 6.50±0.06bc | 5.85±0.18b | 4.95±0.01b | 1.24±0.01c | 1.07±0.03b | 1.05±0.04a | | 宜香优1108 Yixiangyou 1108 | 6.52±0.25bc | 5.44±0.19c | 4.99±0.23b | 1.20±0.01d | 0.90±0.06c | 0.75±0.05b | | 平均 Average | 6.51±0.16b | 5.65±0.16b | 4.97±0.12b | 1.22±0.01b | 0.98±0.04b | 0.90±0.03b | | 低产 Low yield | 川优6203 Chuanyou 6203 | 6.19±0.22cd | 5.32±0.25c | 5.03±0.07b | 1.15±0.06e | 0.82±0.06d | 0.69±0.05b | | 宜香4245 Yixiang 4245 | 6.06±0.03d | 5.26±0.04c | 4.51±0.46b | 0.98±0.02f | 0.81±0.01d | 0.75±0.05b | | 平均 Average | 6.13±0.12c | 5.29±0.13c | 4.77±0.23b | 1.06±0.01c | 0.82±0.03c | 0.72±0.01c | | 崇州 Chongzhou | 高产 High yield | F优498 F you 498 | 6.43±0.27a | 5.56±0.14a | 5.28±0.38a | | 1.24±0.03a | 1.14±0.02a | 0.89±0.01a | | 隆两优1206 Longliangyou 1206 | 6.35±0.32ab | 5.59±0.17a | 5.29±0.14a | 1.28±0.01a | 1.12±0.04a | 0.85±0.03a | | 平均 Average | 6.39±0.13a | 5.58±0.07a | 5.29±0.13a | 1.26±0.01a | 1.13±0.03a | 0.87±0.01a | | 中产 Medium yield | 绿优4923 Lüyou 4923 | 6.00±0.16bc | 5.15±0.02b | 4.48±0.06b | 1.17±0.02b | 0.94±0.03b | 0.76±0.05b | | 宜香优1108 Yixiangyou 1108 | 5.90±0.03c | 4.68±0.21c | 4.41±0.17b | 1.10±0.06c | 0.93±0.04b | 0.66±0.04c | | 平均 Average | 5.95±0.09b | 4.92±0.12b | 4.45±0.08b | 1.13±0.04b | 0.93±0.01b | 0.71±0.01b | | 低产 Low yield | 川优6203 Chuanyou 6203 | 5.78±0.08c | 4.81±0.22bc | 4.19±0.17b | 1.05±0.02c | 0.71±0.01c | 0.58±0.01d | | 宜香4245 Yixiang 4245 | 5.14±0.16d | 4.56±0.36c | 4.08±0.46b | 0.85±0.01d | 0.69±0.03c | 0.61±0.03cd | | 平均 Average | 5.46±0.05c | 4.68±0.24b | 4.14±0.14c | 0.95±0.02c | 0.70±0.02c | 0.59±0.02c | | 不同生态区配对t测验(t-值) Paired t test in different ecological zones (t-value) | 7.11** | 6.98** | 7.62** | 6.31** | 2.98* | 5.69** |
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