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杂交油菜秦油２号是我市目前大面积推广应用的主要油菜品种之一。通过近几年来的生产应用，其种子纯度问题显得越来越突出。两年的调查结果，１９９７年田间杂株率为１１．４％（变幅８．２％～２１．３％），１９９８年田间杂株率为４．８％（变幅１．８％～１１．７％）...
Hybrid rape Qinyou 2 is one of the main varieties of rapeseed popularized at present in our city. Through the application of production in recent years, the purity of the seed becomes more and more prominent. In the two-year survey, the rate of miscellaneous plants in the field in 1997 was 11.4% (range 8.2-2.31%). In 1998, the rate of miscellaneous was 4.8% (1.8% 11.7%) ...