中国油料作物学报2011，Vol.33Issue(5)：470-475,6.
花期低温阴雨对甘蓝型油菜产量和种子含油量的影响
Effects of continuous low temperature overcast and rainy weather on yield and oil content of Brassica napus during flowering stage
摘要
Abstract
Yield factors and oil contents of 19 Brassica napus genotypes were investigated under continuous low temperature overcast and rainy weather ( CLTORW) from March 2 to March 11, 2010. Results were as below: ( 1) CLTORW after flowering, RES ( ratio of effectual silique) decreased and was 72. 81% of control, SPS ( seeds per silique) was 57. 32% and OC (oil content) was 95.31% of control, but WTS (thousand seeds weight) increased to 119.79% of control. (2) CLTORW during the flowering stage, RES decreased and was 46. 01% of control, SPS was 33.11% and OC was 96.71% of control, but WTS increased to 114.67% of control. (3) The effects of CLTORW on RES and SPS during flowering stage were much more severe than those of CLTORW after flowering stage. (4) Genotypes had different responses to CLTORW. Cluster analysis showed 7 varieties had higher tolerance , such as Xiwang 98 and Zhongyou 821. The cultivar had the same tolerance response to CLTORW both during and after flowering stages.关键词
甘蓝型油菜/花期/低温/阴雨/有效结角率/每角粒数/含油量Key words
Brassica napus/ Flowering stage/ Low temperature/ Overcast/ Effectual silique ratio / Seeds per silique/ Oil content分类
农业科技引用本文复制引用
涂玉琴,戴兴临..花期低温阴雨对甘蓝型油菜产量和种子含油量的影响[J].中国油料作物学报,2011,33(5):470-475,6.基金项目
江西省农科院科技创新基金(博士启动项目) （博士启动项目）
江西省自然科学基金(2009GZN0060,2010GQN0104) （2009GZN0060,2010GQN0104）
国家自然科学基金(31060195) （31060195）
