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红薯茎线虫病是红薯生产上的一种毁灭性病害,它危害性强,传播速度快。它在苗床期、大田期和贮藏期都能侵染危害,但主要侵染薯块。受害的红薯外皮褐色、发青,有龟裂纹,块轻;有的薯块外表无异样,只是内部糠心。防治红薯茎线虫病,可采取以下综合措施:一、加强种薯、薯苗调运检疫。切实做好种薯、薯苗的检疫,严禁病区种薯种苗调入无病区,对引进的可疑种薯种苗应进行药剂处理。即在引种时,应选择适合本地种植的抗病、脱毒优良品种。
Sweet potato stem nematode disease is a devastating disease in the production of sweet potato, which is very harmful and has a fast propagation speed. It can infect the seedbed, field and storage period, but mainly infects the potato. Affected the sweet potato skin brown, blue, cracked, lumps light; some potato block appearance without exception, but the internal bran heart. Prevention and treatment of sweet potato stem nematodes, can take the following comprehensive measures: First, to strengthen the seed potato, potato seedling transport quarantine. Effectively do a good job of seed potato, potato seedling quarantine, no disease seed potato seedlings transferred to the disease-free zone, the introduction of suspicious seed potato seedlings should be treated. That is, when introduced, should be selected for the local planting of disease-resistant, virus-free varieties.