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截止目前 ,河北省育成审定棉花品种共 40个 ,其中 ,有斯字棉和岱字棉亲缘的品种达 30个 ,占 75.0 %,遗传基础非常狭窄
Up to now, a total of 40 varieties of cotton have been examined and approved in Hebei Province. Among them, 30 are relatives of cotton with Glyphosate and Dai type cotton, accounting for 75.0%, with a very narrow genetic base