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葱蒜类蔬菜常见虫害主要有葱地种蝇、葱蓟马、葱潜叶蝇、韭菜跳盲蝽、韭菜根蛆等。一、葱地种蝇葱地种蝇主要为害大蒜、葱和洋葱,有时也为害韭菜。以幼虫为害播种后的种子和幼嫩茎根,使种子不能发芽,幼苗死亡。葱地种蝇蛀食栽后的地下蒜瓣,轻则致蒜瓣裂开。地上部发黄,重则使整株死亡。其防治方法如下:1.农业防治:施用有机肥要充分腐熟,施肥时做到均匀、深施并与种子隔离,施后立即覆土。精选种苗,适期播种土壤。水分干湿适度,发生蛆害后可用大水漫灌,隔日1次,连续2次。
Onion garlic common pests are all kinds of onion fly, onion thrips, onion miner leaf fly, leek blight bug, leek root maggots and so on. First, all kinds of Onion species fly onions mainly harmful to garlic, onions and onions, and sometimes harmful leeks. Seeds larvae sowing seeds and young stems, the seeds can not germinate, seedlings die. Onion species of insects after planting underground garlic cloves, ranging from light to cause garlic cracked. Yellow on the ground, while the whole was killed. The control methods are as follows: 1. Agricultural control: the application of organic fertilizer to be fully matured, when fertilized to achieve uniform, deep and separated from the seed, immediately after application of soil cover. Featured seedlings, sowing the soil properly. Moisture and moisture moderate, after the occurrence of maggot damage can be flood irrigation, every other day 1, 2 consecutive times.