水条播对寒地水稻农艺性状和产量构成因素的影响
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王鹤璎,郭晓红,张钦明,马艳,李猛,姜红芳,胡月,兰宇辰,徐令旗,郭洪涛,吕艳东
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Effects of Sowing in Line under Water on Agronomic Characters and Yield Components of Rice in Cold Region
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Heying Wang,Xiaohong Guo,Qinming Zhang,Yan Ma,Meng Li,Hongfang Jiang,Yue Hu,Yuchen Lan,Lingqi Xu,Hongtao Guo,Yandong Lü
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表4 旱育稀植和水条播处理水稻产量及产量构成因素的差异
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Table 4 Difference of yield and yield components under dry breeding seedlings and sparse planting and sowing in line under water
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| 性状Trait | 旱育稀植
Dry breeding seedlings and sparse planting | | 水条播
Sowing in line under water | | 适应性反应指数
ARI | | 平均Mean | 变异系数CV(%) | | 平均Mean | 变异系数CV(%) | | 平均Mean | 变异系数CV(%) | | 单位面积穗数Panicles per square meter | 506.3 | 12.45 | | 592.1 | 16.47 | | 117.4 | 14.95 | | 穗粒数Grains per panicle | 86.6 | 18.63 | | 70.8 | 20.35 | | 82.4 | 15.75 | | 成粒率Kernel setting rate (%) | 81.2 | 12.44 | | 74.6 | 16.08 | | 92.5 | 15.89 | | 千粒重1000-grain weight (g) | 26.5 | 5.29 | | 26.2 | 7.55 | | 98.6 | 4.12 | | 生物产量Biological yield (t/hm2) | 18.6 | 11.88 | | 17.1 | 15.38 | | 93.0 | 17.33 | | 经济系数Economic coefficient | 0.499 | 10.17 | | 0.464 | 13.16 | | 93.413 | 13.07 | | 理论产量Theoretical yield (t/hm2) | 9.2 | 12.81 | | 7.9 | 16.33 | | 85.8 | 14.01 |
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