Effects of Intercropping Sweet Potato on the Population Density of Sweet Potato Weevil, Cylas Formicarius (F.) (Coleoptera; Curculionidae)
- Full text of a 1992 Master's thesis by Alexander Yaku.
- http://www.papuaweb.org/dlib/s123/yaku/_msc.html

Sweetpotato Weevil - Cylas formicarius
- Information, management and references for this serious worldwide pest.
- http://creatures.ifas.ufl.edu/veg/potato/sweetpotato_weevil.htm

Sweetpotato Scurf
- Information on this disease caused by the fungus Monilochaetes infuscans, and how to manage it.
- http://www.ces.ncsu.edu/depts/pp/notes/oldnotes/no103.htm

Streptomyces soil rot of sweetpotato
- Symptoms of this widespread and destructive disease, its cause and development, and its management.
- http://www.ces.ncsu.edu/depts/pp/notes/oldnotes/vg3.htm

Fusarium Wilt (Stem Rot)
- Photograph of lesions on sweet potato stems caused by Fusarium oxysporum sp. batatas.
- http://www.forestryimages.org/browse/detail.cfm?imgnum=1436132