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作物学报 ›› 1964, Vol. 3 ›› Issue (02): 159-168.

• 研究论文 • 上一篇    下一篇

光照强度和小麦籽粒形成的关系

夏镇澳; 王祝华   

  1. 中国科学院植物生理研究所
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1964-06-12 网络出版日期:1964-06-12

THE EFFECT OF LIGHT INTENSITY ON THE GROWTH AND DEVELOPMENT OF WHEAT GRAINS

Hsia Chen-ao;Wang Jun-hwa   

  1. Institute of Plant Physiology; Academia Sinica
  • Received:1900-01-01 Revised:1900-01-01 Published:1964-06-12 Published online:1964-06-12

摘要: 花前遮光引起小花大量退化,不孕性增加,减低了结实率。花后遮光主要影响籽粒的生长,灌浆不足或停滞。每穗结实粒数的下降以籽粒生长初期遮光影响最大。每穗粒重的下降以籽粒生长中期遮光影响较为显著。开花后,光照强度减弱,籽粒胚乳的淀粉粒数下降,胚的重量和盾状体的大小也受到抑制。

Abstract: The present paper deals with the effect of light intensity on the growth and developmentof wheat grains and on the number of endosperm cells and of starch grains.The resultsobtained are summarized as follows:1.The number and weight of fertile grains per spike decreased when the wheat plantswere shad

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