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作物学报 ›› 1980, Vol. 6 ›› Issue (04): 211-218.

• 研究论文 • 上一篇    下一篇

黑暗对冬小麦花粉育性和结实率的影响

刘捷平; 王景林   

  1. 北京师范学院生物系
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1980-12-12 网络出版日期:1980-12-12

EFFECT OF DARKNESS ON THE POLLEN FERTILITY AND SEED SETTING

Liu Jieping; Wang Jinglin   

  1. Department of Biology Beijing Teachers\’ College
  • Received:1900-01-01 Revised:1900-01-01 Published:1980-12-12 Published online:1980-12-12

摘要: 在冬小麦雄蕊造孢细胞开始增大到花粉母细胞形成期间,给整株小麦以72小时的黑暗处理,可导致花粉的全部败育,给麦穗套袋后的空粒率达到100%。然而,在人工授粉后的结实率可以达到90%以上。在被黑暗处理的花粉的双核阶段,不具有淀粉粒,并失去了过氧化物酶的活性。与小麦雄性不育系的表现相同。因此,可以在杂交育种中应用这种小麦

Abstract: During the period between the enlargment of sporogenous cells andthe formation of pollen mother cells entire plant of winter wheat wasgiven 72 hrs.of dark treatment.This resulted in the full abortion ofpollen grains and complete failure of seed setting in the spikes coveredwith parchment paper.Howev

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