Diseases of Pima cotton (Gossypium barbadense) ; upland
cotton (G. hirsutum)
Cotton leaf crumple virus
Cotton leaf crumple virus is transmitted by the whitefly. Infected plants have crinkled leaves that are cupped downward and usually small (photo 1). No control measures are available, but losses due to the virus are usually minimal compared to that of high whitefly infestations alone.
1 
July 10 , 2006