论文部分内容阅读
百合病虫害发生的种类较多,但对收成有影响的主要是枯萎病、灰霉病、叶枯病、根腐病、蚜虫、地老虎、蝼蛄等。病虫防治原则:预防为主,综合防治。对百合生产威胁最大的是百合枯萎病和灰霉病。当百合枯萎病刚开始表现症状时,立即用对路药剂防治,防效也只有70%左右,加之其发生为害时正是4～5月多雨水季节,又不利开展药剂防治,所以做好预防工作在
Lily pests and diseases occur more, but the main impact on the yield is blight, gray mold, leaf blight, root rot, aphids, tigers, slugs and so on. Pest control principles: prevention, integrated control. The biggest threat to the production of lily is lily blight and gray mold disease. When the symptom of lily blight begins to manifest itself, it is immediately prevented and controlled by the on-the-road medicament, and the control effect is only about 70%. In addition, when the occurrence of the lily blight is the rainy season from April to May, it is unfavorable for the prevention and treatment of medicaments, so prevention work at