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预计2018年上海市粮油作物病害中等偏重发生
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预计2018年上海市粮油作物病害中等偏重发生
2018年5月4日,上海市农业技术推广服务中心发布了2018年上海市粮食作物病害发生趋势预报。根据全市主要病虫近年发生持点,结合耕作制度、越冬虫源基数、天气趋势预报等综合分析,预计2018年上海市粮油作物病害总体发生趋势为中等偏重发生(4级)。其中,水稻病害以水稻纹枯病、恶苗病、稻曲病、稻瘟病等为主,夏熟作物病害以小麦赤霉病、小麦白粉病为主。 一、水稻 1、纹枯病。预计中等偏重至大发生,发生面积140万亩(93.33千公顷)。 2、稻曲病。预计中等发生,发生面积50万亩(33.33千公顷)。 3...
Fungicides China News 201805 (Chinese version)
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