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秦皇岛市常年甘薯种植面积40万亩,主要集中在卢龙县、抚宁县北部山区及丘陵地带,甘薯茎线虫病是甘薯生产上毁灭性的病害,对甘薯的产量和品质造成了很大的破坏,成为发展甘薯产业的主要障碍,每年由于甘薯茎线虫造成的产量损失在20%左右,严重时可达80—90%,甚至绝收。目前,怎样在减少高毒农药使用量,降低农药残留的前提下提高产量和品质、减少防治投入、减轻环境污染成为一个新的课题。本文仅就甘薯茎线虫病的综合防治做简要介绍。
Qinhuangdao perennial sweet potato acreage 400000 mus, mainly in Lulong County, Funing County northern mountainous and hilly areas, Sweet Potato Stem nematode disease is the production of sweet potato devastating disease, the sweet potato yield and quality caused a great deal of damage , The main obstacle to the development of the sweet potato industry, due to the production of sweet potato stem nematode caused by the loss of about 20%, in severe cases, up to 80-90%, or even absolute. At present, how to increase production and quality under the premise of reducing the use of highly toxic pesticides and reducing pesticide residues, and to reduce investment in prevention and control and mitigate environmental pollution has become a new topic. This article only on sweet potato stem nematode disease prevention and treatment to do a brief introduction.