蓉油4号不同播期、密度的生物学性状及其产量表现  

Study on the Biological Character and Yield of Rapeseed Variety——Rongyou No.4 in the Different Sowing Date and Planting Density

作　　者：董根生 曾智胜 陶益宝 

机构地区：[1]芜湖县农技推广所,芜湖241100 [2]芜湖县种子公司

出　　处：《安徽农业科学》1999年第5期445-446,共2页Journal of Anhui Agricultural Sciences

摘　　要：为摸索蓉油４号在芜湖县最佳播期和栽培密度，充分发挥其增产优势，对其播期、密度、菌核病、秧苗素质等方面进行了一些试验研究，结果表明：蓉油４号最适宜的播期为９月２０日，最佳栽培密度为９万株／ｈｍ２。The experiment in the sowing date,planting density,the control of sclerotinia rot and seedling quality of rapeseed variety“Rongyou No.4” was carried out to explore the best sowing date and planting density with high yield.The result showed that the best sowing date was Sept. 20 and planting density was 90 thousand plants/hm 2.

关 键 词：油菜 蓉油4号 播期 生物学性状 密度 产量 

分 类 号：S565.4[农业科学—作物学]