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调查研究结果表明,山药根结线虫病病原是根结线虫属(Meloidogyne)的多种根结线虫的混合群体,主要为花生根结线虫(M.arenaria)、南方根结线虫(M.incognita)和爪哇根结线虫(M.jauanica)。发病情况与山药品种、土壤质地、种植年限、山药栽子带病情况等因素有关。防治应采取综合防治的方法。
The investigation results show that the root cause of root-knot nematode is a mixed population of various root-knot nematodes of Meloidogyne, mainly consisting of M.arenaria, M. incognita, And M. jauanica. The incidence of the disease with the varieties of yam, soil texture, planting years, sickness and other factors Yayu plant. Prevention and treatment should be taken comprehensive prevention and control methods.