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5 抽穗后干物质转运与积温的相关性

Table 5 Correlation between dry matter transport and accumulated temperature after heading

品种Variety 项目Project 茎输出量Stem output 叶输出量Leaf output 光合产物Photosynthate 中早35 Zhongzao 35 单株Per plant -0.76* -0.79** -0.66* 单位面积Per unit area -0.46 -0.69* -0.52 中早39 Zhongzao 39 单株Per plant -0.60 -0.47 -0.12 单位面积Per unit area -0.59 -0.50 -0.40