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作物学报 ›› 1983, Vol. 9 ›› Issue (03): 157-164.

• 研究论文 • 上一篇    下一篇

珠江三角洲水稻品种光温反应研究

梁光商; 刘振宇   

  1. 华南农学院
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1983-09-12 网络出版日期:1983-09-12

STUDIES ON THE HEADING RESPONSE OF THE PEARL RIVER DELTA RICE CULTIVARS TO DAYLENGTH AND TEMPERATURE

Liang Guangshang; Liu Zhengyee   

  1. South China Agricultural College; Guangzhou; Guangdong Province
  • Received:1900-01-01 Revised:1900-01-01 Published:1983-09-12 Published online:1983-09-12

摘要: 本文应用珠江三角洲(20°30′~23°10′N)当前推广的早、晚稻29个品种,在自然和人工控制共12级光长处理下进行研究,结果表明:从早、晚稻光周期反应,区分出了早稻属于中性类型。晚稻属于短日性类型。品种出穗日数,在自然光照下,随早、中、迟熟品种而递次增多,随早,中,晚季而递次减少,表现出连续变异性。早稻感光性弱,短日高温

Abstract: The twenty-nine current rice cultivars in the Pearl River Delta(21°30′-23°10′N ),including early-crop and late-crop types,were subjected to 12daylength treatments,both natural and artificial,ranging from 10.0,10.5,11.0,11.5,12.0,12.5,13.0,13.5,14.0,15.0,24.0 hours.The resultsobtained were as fol

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