不同播期对直播早稻干物质积累的影响

段里成,郭瑞鸽,张坤,章起明,刘丹,杨爱萍,桂保玉,金国花,蔡哲

Effects of Different Sowing Dates on Dry Matter Accumulation of Direct-Seeded Early Rice

Licheng Duan,Ruige Guo,Kun Zhang,Qiming Zhang,Dan Liu,Aiping Yang,Baoyu Gui,Guohua Jin,Zhe Cai

表4 各器官干物质输出及转化

Table 4 Changes of dry matter output and transformation in organs %

播期 Sowing date 中早35 Zhongzao 35 中早39 Zhongzao 39 干物质输出率 Dry matter output rate 干物质转化率 Dry matter transformation rate 干物质输出率 Dry matter output rate 干物质转化率 Dry matter transformation rate 茎Stem 叶Leaf 茎Stem 叶Leaf 茎Stem 叶Leaf 茎Stem 叶Leaf B1 29.60 20.10 25.94 6.29 22.62 22.49 22.74 9.80 B2 24.89 19.01 24.71 6.14 17.12 16.43 17.98 5.87 B3 20.87 18.83 21.93 6.09 13.24 11.91 11.17 4.14 B4 18.85 17.71 19.21 5.60 13.48 11.72 11.59 4.10 B5 19.65 16.48 15.42 5.39 13.05 9.57 11.27 3.48 B6 14.96 14.04 13.22 4.78 6.92 10.47 5.67 3.48 B7 17.57 12.89 12.62 4.89 8.47 9.91 6.87 3.91 B8 10.44 11.72 11.01 4.74 6.24 10.12 5.57 4.18 B9 11.33 11.27 11.35 4.25 8.81 9.10 8.69 4.47