当前位置: 首页 > 文章 > 光照长度对不同类型光敏核不育水稻生育期的影响 华中农业大学学报 1990 (2) 112-115
Position: Home > Articles > EFFECT OF PHOTOPERIOD ON THE GROWING DURATION OF VARIOUS NEW STRAINS OF HUBEI PHOTOPERIOD-SENSITIVE GENIC MALE-STERILE RICE Journal of Huazhong Agricultural University 1990 (2) 112-115

光照长度对不同类型光敏核不育水稻生育期的影响

作  者:
卢开阳;元生朝;张自国
单  位:
华中农业大学农学系
关键词:
光敏核不育水稻;临界光长;抽穗期
摘  要:
选用六个不同类型光敏核不育水稻,在其五叶期后给予不同时间的光照处理,观察其抽穗期的差异。结果表明:在光长由14.5小时缩短到10.0小时,供试不育系的抽穗期提早6-41天;促进不同品系间提早抽穗的临界光长存在差异:农垦58S,中78-5S,25169S,5-12S为12.5小时,W6417S为13.5小时,W6154S的则不甚明显。
译  名:
EFFECT OF PHOTOPERIOD ON THE GROWING DURATION OF VARIOUS NEW STRAINS OF HUBEI PHOTOPERIOD-SENSITIVE GENIC MALE-STERILE RICE
作  者:
Lu Kaiyang; Yuan Shengchao; Zhang Ziguo, (Huazhong Agricultural University, Wuhan, 430070)
关键词:
Hubei photoperiod-sensitive genic male-sterile rice;;critical light-length required for accelerating;;heading date
摘  要:
Heading date of 6 strains of photoperiod-sensitive male sterile rice was compared underdifferent treatments of photoperiod length starting on the 5-leaf stage. The results showedthat reducing the light-length from 14.5 to 10.0 hr could advance heading dates by 6-41days. The critical length of light period required for accelerating heading varied greatlyamong these strains. They were: 12.5 hr for Nongken 58S, Zhong 78-5S, 25169S and5-12S, 13.5 hr for W6417S. The reduction of photoperiod length had no obvious effecton heading date for W6154S.

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