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4月20日，市气象局、市农业农村局联合发布农业气象灾害风险预警，未来一周，我市多阴雨天气，小麦赤霉病发生风险等级高。各地要密切关注天气变化，抓住防治关键期及时开展防治。
过去一周，我市气温持续偏高，日平均气温均突破20℃，全市平均气温为同期有历史记录以来第一。气温转暖早，利于赤霉病菌子囊壳早发，且降水较同期偏多，田间湿度较大。未来7天，我市小麦处于扬花末期，沿淮处于扬花至灌浆初期，全市多阴雨天气，高温高湿的田间环境，赤霉病发生风险等级高。
预警建议，要做好田间管理。合理运筹肥水，及时清沟沥水，降低田间湿度，减轻病害发生程度。要密切关注天气变化，及时适时防治。抢在雨前或阵雨间隙开展小麦赤霉病防控，施药后6小时内遇雨及时补治，确保防效。优先选择对赤霉病防效好、毒素控制作用强，兼治小麦条锈病、蚜虫、白粉病等穗期病虫害的药剂，科学开展防治。
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