伏蚜

  • 网络Aphid;summer ecotype
伏蚜伏蚜
  1. 研究结果表明,棉株受伏蚜为害后主要是造成株高降低、蕾铃脱落率增加、吐絮数减少,铃重降低而减产。

    The results showed that the cotton plant height , boll number and the weight boll were decreased by the heavy injury of summer ecotype aphids , while the shedding rate of squares and bolls increased .

  2. 棉花蕾期穴施涕灭威防治棉蚜伏蚜的研究

    Study on Treading Soil with Aldicarb to Control Cotton Aphid

  3. 两种氯氰菊酯混剂防治棉花伏蚜田间药效试验

    Control Effect of 2 Insecticides against Cotton Aphid

  4. 棉花伏蚜为害程度与产量损失的优化模型

    A Study on the Optimum Models of the Damage Levels by Summer Cotton Aphid and Yield Loss