Sec. 71.109.  SWEET POTATO DISEASES AND INSECTS.  The department shall determine that sweet potato plants are apparently free from the following plant diseases and insects:
   DISEASES
SCIENTIFIC NAME OF ORGANISM   
   Stem rot or wilt
Fusarium batatis   
   Black rot
Sphaeronema fimbriatum   
   Pox
Cystospora batata   
   Nematode root knot
Heterodera marioni   
   Internal cork
Virus   
   INSECTS
   Sweet potato weevil
Cylas formicarius   
Acts 1981, 67th Leg., p. 1162, ch. 388, Sec. 1, eff. Sept. 1, 1981.