茶苗根结线虫病是危害新植茶的主要病害,其危害轻者,茶苗生长缓慢,叶色变黄。重者引起茶苗枯死,导至严重缺苗特别是茶苗第一次根系生长就受感染而引起的缺苗,对成园率的影响更为严重。呋嘀丹作为防治该病的药剂,其效果已被确认。但由于使用时期不同,近年来也产生了防治效果不一致的情况。从而有人对呋喃丹的防效已产生怀疑,而提出增加亩用量,为了谋求呋喃丹的最佳亩用量及使用 Tea root-knot nematode disease is a major disease endangering the new tea plantation, the harm of light, slow growth of tea seedlings, leaf color yellowing. Severe caused by tea plants withered dead, leading to severe lack of seedlings, especially the first root growth of tea seedlings caused by infection of the lack of seedlings, the impact on the rate of becoming more serious. Furosemide as a preventive agent of the disease, the effect has been confirmed. However, due to the different usage periods, there have also been inconsistencies in prevention and control effects in recent years. Some people have on the control effect of carbofuran have been doubts, but proposed to increase the amount of acres, in order to seek the best amount of carbofuran and use of acres