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黄瓜在成县主产于城关、支旗、店村、抛沙等乡部分平川地区的村社。这些地区的群众栽培黄瓜历史较长,栽培技术上积累了丰富的经验,一般亩产万斤左右。但由于黄瓜霜霉病为害,对产量影响很大,大流行年黄瓜濒于绝收,栽培面积很不稳定,给城乡人民生活带来一定影响,是目前成县黄瓜生产上的重要问题。针对上述问题,本文就1980—1983年四年间收集的资料,对黄瓜霜霉病在成县特定环境条件下的发生程度、发生规律和环境条件进行初步剖析和探讨,为大面积开展防治工作提供参考。
Cucumber main production in Cheng County Chengguan, flag, shop village, throwing sand and other township part of Hirakawa village community. The cucumbers cultivated by the masses in these areas have a long history and rich accumulation of experience in cultivation techniques. However, due to cucumber downy mildew damage, a great impact on the yield, the pandemic cucumber on the brink of harvest, the cultivation area is very unstable, to bring some impact on urban and rural people’s lives, is currently an important issue in the county production of cucumbers. In response to the above problems, the paper collected the information collected during the four years from 1980 to 1983, conducted preliminary analysis and discussion on the occurrence degree, occurrence rules and environmental conditions of cucumber downy mildew under the specific environmental conditions in Cheng County, and provided a preliminary analysis and discussion for large-scale prevention and control work reference.