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›› 1992, Vol. 28 ›› Issue (5): 456-458.

• 研究简报 • 上一篇    下一篇

稀土对杨树杂交种子数量和品质影响的初步研究

杨敏生 王桂霞 邢秀岩   

  1. 河北林学院
  • 收稿日期:1991-05-30 修回日期:1900-01-01 出版日期:1992-09-25 发布日期:1992-09-25

A PRELIMINARY STUDY ON INFLUENCE OF RARE-EARTH ON QUANTITY AND QUALITY OF POPULAR HYBRID SEED

Yang Minsheng,Wang Guixia,Xing Xiuyan   

  1. Hebci Forestry College
  • Received:1991-05-30 Revised:1900-01-01 Online:1992-09-25 Published:1992-09-25

关键词: 杨树, 有性杂交, 稀土, 结籽率

Abstract: In order to improve the quantity and quality of white poplar seeds produced by sexual hybridization, the branches of maternal plant were treated with rare-earth. The results indicate that there is a significant promotive effect on seed setting rate in the branches soaked with rare-earth at 200ppm or 500ppm concentration. The length and thickness of fruite ear are also promoted slightly at these concentrations. The effects of rare-earth treatments on the weight of 1000 seeds and germination rate are not obvious.

Key words: White poplar, Sexual hybridization, Rare-earth, Seed settingrate