大蒜是中牟县的主要支柱产业和出口创汇农业,种植面积常年稳定在2万hm2,总产量30万t,在国内外市场上享有很高的声誉。但近年来,随着本县大蒜种植面积的不断扩大,尤其是随着蒜种频繁调运,在蒜田新发生了刺足根螨犤Rhizoglyphusechinopus(FumouzeetRobin)犦,常与根蛆、韭蛆等混合 Garlic is the main pillar industry and export-earning agriculture in Zhongmou County. The annual planting area is stable at 20,000 hm2 and the total output is 300,000 t. It enjoys a high reputation in both domestic and overseas markets. However, in recent years, with the continuous expansion of garlic planting area in the county, especially with the frequent transfer of garlic species, spider mites Rhizoglyphus chinopus (FumouzeetRobin) 新 occurred in garlic field, often mixed with root maggots, leek maggots, etc.