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        首页 > 农业专题 > 专题 > 棉花如何选种

        棉花如何选种

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        发布时间:2015-08-18 11:32:21

        一定要把握如下要点:一要选择经省级以上农作物品种审定委员会审定的品种;二要看清审定品种编号和界定的种植范围;三要看品种是否有生产许可证、经营许可证、检疫证;四要了解常规抗虫棉原种纯度要达98%以上,杂交抗虫棉F1的纯度要达95%以上,尽量选用杂交F1,不用杂交 F2;五要对植棉面积较大的农户,引导他们选用1~2个当地主推品种;六要选用一定的双价(含两个抗虫基因)转基因抗虫棉品种,因为双价转基因抗虫棉抗虫性更加稳定、持久。
         

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