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甘薯病毒病田间常见症状有四类：（１）叶片斑点斑驳型；（２）叶片畸形；（３）叶片枯斑坏死型；（４）叶片变色型。病害发生严重度年度间有差异，受环境因子影响较大。主要病毒种类为ＳＰＦＭＶ和ＳＰＣＦＶ。
Common symptoms of sweet potato virus disease in the field there are four categories: (1) leaf spot mottled type; (2) leaf deformity; (3) leaf spot necrosis; (4) leaf discoloration. The seriousness of the disease occurred during the year and was greatly affected by the environmental factors. The main virus types are SPFMV and SPCFV.