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黄瓜根结线虫病在局部地区大棚、温室蔬菜发生相当严重,甚至造成全大棚、温室毁种。 〔症状)①其地上部分的症状为植株矮小,发育不良。在土壤干旱和水分供应不足时,中午前后可出现萎蔫症状。②根部症状是在须根和侧根上,可
Cucumber root-knot nematode disease in the local area greenhouses, greenhouse vegetables occurred quite serious, and even caused the whole greenhouse, greenhouse destruction. Symptoms ① The symptoms of the aboveground parts are short plants and poor growth. Wilt symptoms may occur around noon when there is insufficient supply of soil moisture and moisture. ② root symptoms are in the fibrous roots and lateral root, may