无公害大葱生产,要选用中华巨葱、日本大葱、章丘大葱等抗病、高产品种。其病虫害防治方法如下:1.物理防治用糖、醋、酒、水、敌百虫晶体按3∶3∶1∶10∶0.5的比例配成溶液,装入直径20～30厘米的盆中放入田间,每200平方米放一盆,要注意添加溶液、保持不干,可诱杀种蝇等害虫。 Green onion production, to use Chinese giant onion, Japanese green onions, Zhangqiu green onions and other disease-resistant, high-yield varieties. Its pest control methods are as follows: 1 physical control with sugar, vinegar, wine, water, trichlorfon crystals according to the ratio of 3: 3: 1: 10: 0.5 dubbed the solution into the diameter of 20 to 30 cm pot Into the field, put a pot every 200 square meters, pay attention to add solution, keep quit, you can trap insects such as flies.