Sweet Potato Insects
Sweet Potato Insects
Wireworm
These slender, 1/2 to 1 1/2 inch long insects puncture and tunnel in the stem, roots and tubers. Use applications of Diazinon granules.
Sweet Potato Diseases
Black Rot
Black, sunken, roundish spots form. Black cankers form on the underground parts of stems and the disease often spreads in storage. No chemical control is listed.
Stem Rot (Stem Wilt)
Plants are yellow and wilted. Stem cross sections show black discoloration and roots have a black ring when cut open. No chemical control is listed.
