我国甘薯病虫害危害严重，已经发现报导的有30多种，其中发生比较广泛、为害比较严重的有甘薯黑斑病、甘薯根腐病、甘薯瘟病、甘薯茎线虫病。

More than 30 kinds of diseases and pests have been reported, but the damage of sweetpotato black rot, sweetpotato root rot, sweetpotato stem nematode and sweetpotato bacterial wilt is serious.

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