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为探讨我地秋延后瓜类蔬菜病虫害的发生发展情况，１９９８年我们承担了市蔬菜局下达的“秋延后瓜类蔬菜病虫害发生发展规律及综防技术研究”课题，旨在提出一套切实可行的防治措施，以指导大田生产。１ 材料与方法调查长沙地区秋延后栽培的冬瓜、黄瓜疫病、枯萎病的发生发展?
In order to explore the occurrence and development of melon and vegetable pests and diseases in autumn in our country, in 1998 we undertook the subject of “Research on the Occurrence and Development of Pests and Diseases and the Prevention of Pests and Diseases after Cupping in Autumn” issued by Municipal Vegetable Bureau, aiming to put forward a set of Practical prevention and control measures to guide the field production. 1 materials and methods to investigate Changsha autumn melon cultivated after autumn, cucumber blight, blight occurrence and development?