油葵品种夏秋播期试验初报

Preliminary Study on Yield and Other Agronomic Traits Under Different Sowing Dates in Oil Sunflower

G10 1、新葵杂 4号、新葵杂 6号、S3 1四个油葵品种在安徽江淮地区 6月 2 0日、6月 7日、7月 11日和 7月 2 0日播种均能正常成熟。叶斑病、斜纹夜蛾、甜菜夜蛾是夏秋油葵的主要病虫害 。

Four oil sunflower(Helianthus annuu L.)varieties,i.e.G101?xkz4?xkz6 and S31,could mature normally under for planting dates from 20 June to July.The grain yield was infected with cotton worm(Prodenia litura),beet armyworm(Spodoptera exigua),leaf blotch and the amount of the rainfall from blooming to seed filling.