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.

 
  • 我國甘薯病蟲(chóng)害危害嚴重,已經(jīng)發(fā)現報導的有30多種,其中發(fā)生比較廣泛、為害比較嚴重的有甘薯黑斑病、甘薯根腐病、甘薯瘟病、甘薯莖線(xiàn)蟲(chóng)病。
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