新疆农业科学2011，Vol.48Issue(6)：1074-1077,4.
高旱寒地区冬油菜越冬研究初报
Overwintering Study Report of Winter Rapeseed in High Dry Winter Cold Region
摘要
Abstract
[Objective]The optimal sowing date of winter rapeseed in high drought and cold area was tested so as to realize crop multiple mature system in Altay. [Method] In the field test with random block design, the influences of different sowing date on the overwintering survival rate,growth period, agronomic characters and yield component factors of winter rapes were studied. [Result] The result showed that there wasn' t any difference of overwintering survival rate in different dates of sowing. Plant height, branch height, first branch number, second branch number, main florescence length, plant 8iliquae, yield per plant correspondingly decreased along with the sowing date delaying.ln different sowing dates, there were significantly positive correlation with plant height, main florescence length, plant siliquae and yield per plant. There was difference of yields in different dates of sowing.The suitable sowing date of winter rapeseed was on Sep. 5th in Altay area, because its overwintering rate of the crop is high, growth period is short, and the yield is comparatively high.关键词
冬油菜/播期/越冬率/产量Key words
Altay/ winter rapeseed/ sowing date/ winter survival rate/ yield分类
农业科技引用本文复制引用
胡学林,李愚超,李强,陈跃华,朱江,夏兴发..高旱寒地区冬油菜越冬研究初报[J].新疆农业科学,2011,48(6):1074-1077,4.基金项目
农业部公益性行业(农业)科研专项经费"北方早寒区冬油菜北移集成技术研究与示范"项目(200903002-04) （农业）
