长江中下游地区常规中熟粳稻产量、品质及氮素吸收性状的相互关系分析

刘秋员, 周磊, 田晋钰, 程爽, 陶钰, 邢志鹏, 刘国栋, 魏海燕, 张洪程

Relationships among grain yield, rice quality and nitrogen uptake of inbred middle-ripe japonica rice in the middle and lower reaches of Yangtze River

LIU Qiu-Yuan, ZHOU Lei, TIAN Jin-Yu, CHENG Shuang, TAO Yu, XING Zhi-Peng, LIU Guo-Dong, WEI Hai-Yan, ZHANG Hong-Cheng

表8 影响产量、氮素吸收及稻米品质的关键指标间的相关系数

Table 8 Correlation coefficients of key indexes affecting grain yield, nitrogen uptake and rice quality

指标 茎干重 SDM 叶干重 LDM 穗干重 PDM 蛋白质 PC 直链淀粉 AC 千粒重 1000-grain weight 穗粒数 Spikelet per panicle 茎干重 SDM 1 0.371** 0.544** -0.190 0.013 0.258* 0.337** 叶干重 LDM 0.583** 1 0.473** -0.346** -0.002 0.276** 0.310** 穗干重 PDM 0.400** 0.590** 1 -0.144 -0.107 0.248* 0.484** 蛋白质 PC -0.227* -0.563** -0.358** 1 0.250* 0.044 -0.085 直链淀粉 AC 0.042 -0.026 -0.039 0.165 1 0.121 0.097 千粒重 1000-grain weight 0.366** 0.424** 0.212* -0.190 0.023 1 -0.133 穗粒数 Spikelet per panicle 0.280** 0.387** 0.544** -0.231* 0.144 -0.173 1