不同种植方式下温度升高对水稻产量及同化物转运的影响

张明静,韩笑,胡雪,臧倩,许轲,蒋敏,庄恒扬,黄丽芬

Effects of Elevated Temperature on Rice Yield and Assimilate Translocation Under Different Planting Patterns

ZHANG MingJing,HAN Xiao,HU Xue,ZANG Qian,XU Ke,JIANG Min,ZHUANG HengYang,HUANG LiFen

表7 光合物质生产特性与产量构成因素的相关性分析

Table 7 Correlation analysis of photosynthetic matter production characteristics and yield components

相关性 Correlation 穗数 No. of panicles 每穗粒数 Spikelet number per panicle 千粒重 1000-grain weight 结实率 Filled grain percentage 一次枝梗籽粒结实率 Filled grain percentage of primary branch 二次枝梗籽粒结实率 Filled grain percentage of secondary branch 产量 Yield 干物质重量 Dry matter weight 0.309 0.700* 0.853** 0.932** 0.901** 0.956** 0.908** 转运量 Translocation amount 0.459 0.587* 0.619* 0.887** 0.879** 0.880** 0.936** SPAD值 SPAD value -0.164 0.352 0.146 -0.217 -0.183 -0.257 -0.153 剑叶净光合速率 Net photosynthetic rate of flag leaf -0.194 -0.743** -0.499 -0.689* -0.729** -0.628* -0.676* 气孔导度 Stomatal conductance 0.452 0.502 0.427 0.742** 0.731** 0.740** 0.801**