韭菜根蛆无公害防治技术
XIANDAI NONGCUN KEJI（2009）
Abstract
<正>棚室和露地韭菜均可发生韭菜根蛆,如除治不及时可造成严重减产。韭蛆以幼虫钻食韭菜地下部分,其危害症状表现为地上叶片瘦弱、枯黄、萎蔫断叶,使韭菜失去食用价值。由于幼虫常聚集在根部鳞茎里或钻蛀假茎中引起腐烂,严重时可造成整畦毁种,损失很大。笔者依据多年防治经
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