黄瓜为葫芦科植物,是深受广大消费者青睐的蔬菜品种。九寨沟县黄瓜种植方式以大棚为主,面积达1000余亩,亩产值7000余元,效益可观。但黄瓜一生若管理不当,发生的病虫害种类多且严重,如白粉病、灰霉病、霜霉病、蚜虫等,在此浅析下面2种在生产中常被忽视的病害:一、黄瓜化瓜1.主要症状黄瓜雌花未开花或开花后 Cucumbers Cucurbitaceae plants, is favored by the majority of consumers of vegetable varieties. Jiuzhaigou County cucumber cultivation mainly to the greenhouses, covering an area of ​​1,000 mu, more than 7,000 yuan in output value, considerable benefits. However, cucumber life if not properly managed, the occurrence of pests and diseases of many and serious, such as powdery mildew, Botrytis cinerea, downy mildew, aphids, where the following two kinds of production are often overlooked diseases: First, cucumber melon 1. The main symptoms of cucumber female flowers are not flowering or after flowering