1．西葫芦菌核病症状：果实从花蒂开始出现褐色软腐，后长出棉絮状白色菌丝。防治方法：50％速克灵可湿性粉剂1000－1200倍液或50％的农利灵可湿性粉剂600－800倍液叶面喷洒；或50％的扑海因可湿性粉剂1000－1200倍液加70％的甲基托布津800倍液，于盛花期喷雾。2．西葫芦灰霉病 1. Zucchini sclerotinia symptoms: the fruit began to appear brown soft rot from the pedicle, after the growth of cotton-like white mycelium. Prevention and treatment methods: 50% Klinker wettable powder 1000-1200 times or 50% of Nong Li Ling wettable powder 600-800 times the foliar spray; or 50% of the WPH WP 1000-1200 times Plus 70% of thiophanate-methyl 800 times, in the flowering spray. 2. Zucchini gray mold