水条播对寒地水稻农艺性状和产量构成因素的影响

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

Effects of Sowing in Line under Water on Agronomic Characters and Yield Components of Rice in Cold Region

Heying Wang,Xiaohong Guo,Qinming Zhang,Yan Ma,Meng Li,Hongfang Jiang,Yue Hu,Yuchen Lan,Lingqi Xu,Hongtao Guo,Yandong Lü

表2 旱育稀植和水条播处理性状的差异

Table 2 Difference of traits under dry breeding seedlings and sparse planting and sowing in line under water

性状 Trait 旱育稀植 Dry breeding seedlings and sparse planting 水条播 Sowing in line under water 水条播适应性反应指数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(%) 株高 Plant height (cm) 98.00 6.26 91.60 7.43 93.6 6.96 穗长Panicle length (cm) 18.30 10.33 16.90 10.12 92.5 8.12 穗重Panicle weight (g) 1.98 14.89 1.70 20.67 86.4 19.17 一次枝梗数Primary branches 10.20 11.92 10.20 14.84 100.0 11.31 二次枝梗数Secondary branches 17.60 20.41 15.20 32.18 87.8 32.71