TY - JOUR AU - Dickson, R. C. AU - Laird, E. F. TI - Virus transmitted disease of cotton found in fields in desert valleys JF - California Agriculture JO - Calif Agr Y1 - 1960/01/01 VL - 14 IS - 1 SP - 14 EP - 14 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v014n01p14 AB - Leaf-crumple, a virus disease of cotton—first observed about 1948 in the Coachella Valley—has been found in the Imperial, Borrego, Mexicali, and Yuma valleys and in the Gila Valley up to a point well east of the town of Roll, Arizona. However, neither the leaf-crumple virus nor its insect vector has been seen in the San Joaquin Valley.