由于常规农药对枯萎病防效甚微，并且抗病性品种缺乏，枯萎病已经成为制约黄瓜生产的限制性因素。

Due to the lack of effective chemical fungicides and resistant varieties, fusarium wilt has become the limiting factor in cucumber production.

youdao

由于常规农药对枯萎病防效甚微，并且抗病性品种缺乏，枯萎病已经成为制约黄瓜生产的限制性因素。

Due to the lack of effective chemical fungicides and resistant varieties, fusarium wilt has become the limiting factor in cucumber production.

youdao