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作物学报 ›› 1991, Vol. 17 ›› Issue (03): 238-239.

• 研究简报 • 上一篇    

PP333对杂交水稻亲本抽穗的延缓效应

潘瑞炽;罗蕴秀   

  1. 华南师范大学
  • 收稿日期:1991-02-03 修回日期:1991-03-12 出版日期:1991-05-12 网络出版日期:1991-05-12

Retarding Effect of PP333 on the Heading of Parental Lines of Hybrid Rice

Pan Ruichi; Luo Yunxiu   

  1. South China Normal University
  • Received:1991-02-03 Revised:1991-03-12 Published:1991-05-12 Published online:1991-05-12

摘要: 花期相遇是杂交水稻制种的关键。生产上除了根据亲本生育特性安排播植期外,还要在生育中后期预测和调节花期。当预测到花期太迟时,可喷施赤霉素促快抽穗,但花期太早时,目前尚无理想的药剂可延缓抽穗。我们在1985年开始利用 PP333延缓水稻抽穗得到初步结

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