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1主要防治对象及防治指标害虫主要有韭蛆,其优势种为迟眼蕈蚊、葱蝇和葱须鳞蛾、韭菜蛾及斑潜蝇、蓟马;病害主要是灰霉病、疫病。其防治指标如下:韭蛆的防治指标:被害株率1%～2%;灰霉病的防治指标:病叶率3%～7%;疫病的防治指标:初见病叶。
1 The main control targets and control indicators pests mainly leek maggots, the dominant species of larvae Mycelium, onion fly and Onion Sword moth, leek moth and leafminers, thrips; diseases are mainly gray mold disease. The control indicators are as follows: Leek maggot prevention and control indicators: the victim plant rate of 1% to 2%; Botrytis control indicators: diseased leaf rate of 3% to 7%; prevention and control of disease indicators: first seen disease leaves.