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红麻根结线虫病是麻业生产上的主要病害之一,其发生为害严重影响红麻的产量和品质。通过采用田间调查、试验和室内鉴定相结合的方法,对河南省信阳地区红麻田根结线虫病的病原种类、发生规律及防治技术进行了研究。结果表明,为害当地红麻的根结线虫为南方根结线虫(Meloidogyne incognita Chitwood),防治上应采取以合理轮作倒茬、及时清除病残体、改良土壤、加强水肥管理、种植抗性品种等农业防治措施为主,化学农药防治为辅的综合防治策略。
Kenaf root knot nematode disease is one of the major diseases in the hemp industry, whose occurrence seriously affects the yield and quality of kenaf. By using the method of field investigation, experiment and indoor identification, the pathogenic species, occurrence rules and control techniques of root knot nematodes in Hongmatian of Henan Province were studied. The results showed that the root-knot nematode that kills the local kenaf is Meloidogyne incognita Chitwood. The prevention and control of the root-knot nematode of the kenaf should be carried out in a reasonable way by crop rotation, timely removal of the disease, soil improvement, water and fertilizer management, and planting of resistant varieties Prevention and control measures, chemical pesticides, supplemented by a comprehensive prevention and control strategy.