以随机选取的5个父本、5个母本的组合为材料,随机配制杂交组合,对油菜株型性状和产量性状进行考察,研究油菜各主要性状杂种优势及相关性,通过其相关性分析,为杂种优势利用提供参考。

In the regional trial of Hubei province and middle and lower reaches of Yangtze River,Huayouza No9 increaced yield by 24.76% and 16.68% than Zhongyou 821 andZhongshuang 6.In nearly two years production,This cultivar appeared high and steady yield,good quality,steady yield,anti-lodging and broad adaptability.Huayouza No9 increased production remarkably in the districts of Yangtse river such as Hubei,Hunan,Shnghai,Zhejiang,Jiangsu,Anhui and the south of Huai river.

Huaza No.8 is a new3-linehybrid rapeseed with using invention patent donated by national oilseed improvement center of Huazhong Agriculture University. The variety could be applied in Yangtze River valley very well. It is identical for high and steady yield, improved quality, high oil content as well as strong disease resistance. So it is an ideal variety to realize rapeseed industrialization.