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鲁山县甘薯常年种植面积 470 0ｈｍ2 ,是仅次于小麦、玉米的第三大粮食作物。甘薯淀粉、粉丝等产品的加工生产 ,成为部分乡镇农民的一条致富之路。但 2 0世纪 90年代以来 ,甘薯茎线虫病发生蔓延较为严重 ,一般田块减产 1～ 5成 ,严重田块甚至绝收 ,严重制约着鲁山县甘薯生产的
Lushan County sweet potato annual perennial acreage of 470 0hm2, is second only to wheat, corn third largest food crops. Sweet potato starch, fans and other products processing and production, as part of the township farmers a way to get rich. However, since the 1990s, the occurrence of sweet potato stem nematode spread more serious, the general reduction of 1 to 5 percent field plots, even the vast fields and even crop failure, seriously restricting the production of sweet potato in Lushan County