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

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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

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- 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
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 33, Issue 1, Pages: 67-72(1994)
- 作者机构：
  
  1. 中山大学生物学系
  2. 海丰梅陇农场
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1994，
  
  Published Online：25 January 1994，
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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 33(1):67-72(1994)
DOI：

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 33(1):67-72(1994) DOI：

摘要

两用核不育杂交稻，Ｗ６１５４Ｓ×ＤＦ

０

、Ｗ６１５４Ｓ×特三矮开花前和开花后６－７天追施氮、钾肥，明显提高生育后期叶片含氮量、叶绿素含量、绿叶面积，￣（１４）Ｃ－同化产物从剑叶的输出率（％）及分配到稻穗的量增加，可溶性糖和淀粉含量增加，穗粒性状改善，稻谷产量提高。但不同组合杂交稻上述性状有差异。

Abstract

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

）W6154S×DF

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

） at condition of N and K treatments at late growth stage.

关键词

两用核不育杂交稻生育后期氮钾14C－同化产物谷产量

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Mineral Nutrition and Panicle Character of Rice( Oryza sativa L.) Genotype Variety Tolerant to K Deficiency

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