论文部分内容阅读
黄瓜黑星病是一种严重威胁黄瓜生产的种传病害,于1991年列为山东省的植物检疫对象。近几年来,随着大棚黄瓜面积的不断扩大,黄瓜黑星病发生的县、市逐年增多。据1993~1995年调查,山东省的济阳县孙耿镇、崔寨乡,历城区的郭店镇,临淄的齐都镇、永流乡,寿光市的马店乡等地的大棚,因种植长春密刺、新泰密刺、津春4号、87—1A感病品
Scab is a serious disease-threatening cucumber production disease, in 1991 as a plant quarantine object in Shandong Province. In recent years, with the growing area of greenhouse cucumbers, cucumber scab disease counties and cities increased year by year. According to the survey from 1993 to 1995, in the greenhouses of Sungeng Township, Cuizhai Township in Jiyang County of Shandong Province, Guodian Township in Licheng District, Qidu Township in Linzi County, Yongliu Township and Madian Township in Shouguang City, Spur, Xintai stab, Jinchun 4, 87-1A susceptible products