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油菜菌核病发生趋势与防治技术对策

刘勇,黄小琴,张蕾,伍文宪,杨潇湘,黎怀忠,周西全

Science and technology of Sichuan agriculture（2019）

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Abstract
油菜花期是油菜菌核病侵染的重要时期,也是菌核病防治的关键时期.近年,菌核病在四川很多油菜主产区大面积发生和流行,造成油菜减产10％-70％,含油率降低1％-5％.本文根据四川今年冬春油菜产区的气候特征和田间发病情况,对2019年油菜菌核病的发生流行趋势进行了预测,并提出了相应的油菜菌核病防控策略和防治措施.
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