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青油九号油菜属白菜型早熟春性品种,是青海省农科院以白菜型不育系87A—9为母本,八宝小油菜为父本杂交,从杂交后代出现的可育株中选育而成的。在西宁参加品系鉴定,产量居首位,亩产六百二十点一斤。较对照青油五号增产百分之二十四点五。一九八五年在昭苏县吐格勒牧场农一队试种一百八十四点六亩,平均单产达三百一十二点四斤,其中有四十八亩平均亩产三百九十
Qingyou 9 Rape is a precocious spring cabbage varieties, is the Qinghai Academy of Agricultural Sciences cabbage-type CMS line 87A-9 as the female Babao small rape as the male parent, hybrid progeny emerged from fertile plants Breeding. In Xining to participate in the identification of strains, yield first place, yield 620 t a pound. This represents an increase of 24.5% over the control of Qingyou V. In 1985, a team of farm workers at the Tugela Ranch in Zhasu County experimented with 186.6 mu and averaged a yield of 312.4 kg, of which 48 mu averaged 399 mu