在临夏高寒阴湿区进行的春油菜播期试验结果表明，油菜的最佳播期为3月11—17日， 3月11日播种的油菜籽折合产量为4 416.8 kg/hm2，单株角果数为162.9个，千粒重为4.26 g；菌核病发病率为3.3%、病情指数3.3。

The results of experiment on sowing date of spring rape in high cold and shade moisture region in linxia showed that the optimum sowing of rapeseed for production March 11-17 . The average yield of Longya 12 was 4 416.8 kg/hm2， pod number per plant 162.9， 1 000-grain weight 4.26 g； sclerotinia incidence rate of 3.3%， the disease index 3.3 when sowed during the period from March 11.

S565.4

杂交春油菜高产高效精细化栽培技术研究部分内容