增施穗氮肥缓解水稻穗分化期高温伤害的生理机制研究

闫娜, 谢可冉, 高逖, 胡秋倩, 崔克辉

Physiological Mechanism of Increased Panicle Nitrogen Fertilizer Application on Alleviating High-Temperature Damage during the Rice Panicle Initiation Stage

Yan Na, Xie Keran, Gao Ti, Hu Qiuqian, Cui Kehui

表5 高温处理下水稻育性和产量与NSC相关指标的相关性

Table 5 The correlation of rice fertility and yield with NSC related traits under high temperature treatment

指标Index	颖花育性Spikelet fertility	花粉育性Pollen fertility	结实率Seed-setting rate	产量Yield
茎鞘NSC积累量TM_NSC in stems	0.73^**	0.86^***	0.82^***	0.87^***
叶片NSC积累量TM_NSC in leaves	0.54	0.54	0.55^*	0.59^*
穗NSC积累量TM_NSC in panicles	0.56^*	0.80^**	0.66^*	0.78^**
ATM_NSC	0.73^**	0.78^**	0.77^**	0.75^**
AR_NSC	0.80^**	0.69^*	0.76^**	0.54
AC_NSC	0.74^**	0.62^*	0.69^*	0.42