棉花枯黄萎病综合防治

Agricultural knowledge(2014)

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Abstract
棉花枯黄萎病是真菌性病害,棉农在防治棉铃虫、蚜虫的同时,千万要注意预防这两种病害的发生与蔓延。
  棉花枯黄萎病发生的特点:枯萎病发生较早,发病盛期在6月份,即棉花现蕾期前后。黄萎病发生较晚,盛期在7~8月份蕾铃期。发病症状是叶片焦枯,茎维管束变褐,连续阴雨天发病重。
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