论文部分内容阅读
西瓜叶枯病的大发生与防治刘宏谋胡玉玲马俊霞王磊梁建中（河南省中牟县植保站４５１４５２）西瓜叶枯病是中牟县西瓜上近两年来新发生的一种主要病害。发生早、蔓延快、为害重、损失大。随着西瓜品种的增多，该病在中牟西瓜产区内形成了大发生。据调查，发病瓜田，大部分...
Occurrence and Control of Watermelon Leaf Blight LIU Hong-Mou, HU Yu-Ling, MA Jun-Xia, WANG Lei, LIANG Jian-Zhong (Plant Protection Station, Zhongmou County, Henan Province 451452, China) Watermelon leaf blight is a new major disease in watermelon of Zhongmou County in recent two years. Occurred early, spread fast, heavy damage, big loss. With the increase of watermelon varieties, the disease in Zhongmu watermelon production area formed a big occurrence. According to the survey, the incidence of melon fields, most of ...