Physiological Aspects and Grain Yield of Photoperiod Temperat-ure Sensitive Genic Male-sterile Lines of Rice Hvbrids(F1)Supllied N and K at Late Growth Stage
Wang Yongrui, Zhang Yingjie, Yu Kuanjing. Physiological Aspects and Grain Yield of Photoperiod Temperat-ure Sensitive Genic Male-sterile Lines of Rice Hvbrids(F1)Supllied N and K at Late Growth Stage[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 1994,33(1):67-72.
Wang Yongrui, Zhang Yingjie, Yu Kuanjing. Physiological Aspects and Grain Yield of Photoperiod Temperat-ure Sensitive Genic Male-sterile Lines of Rice Hvbrids(F1)Supllied N and K at Late Growth Stage[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 1994,33(1):67-72.DOI:
Nitrogen and potassium have been supllied at late growtn stage about 6~7days before/ after flowering of photoperiod-temperature sensitive genic male-sterile11nes of rice hybrids (PTGMSLR)(F
1
)W6154S×DF
0
and W6154S×Tie-San-Ai.The nitrogen content in flag leaf
chlorophyll total contents of top 3 leaves
green leafarea
 ̄(14)C-metabolism exported from flag leaf and accumulated in panicle
soluble sugarand starch contents in vegetative organs and panicle
and gtain yield in N and K treat-menr at late growth stage increase more than that in control treatments of bare and basicmanure.The physiological aspects and grain yield are different in different rice hybrids(F
1
) at condition of N and K treatments at late growth stage.