An oil-DDT vapor spray to control grape leaf-hopper.
JONES
P R
PR
GLOVER
L C
LC
HANSBERRY
R
R
D000818:Animals; D003634:DDT; D005018:Ethyl Chloride; D007306:Insecticides; D027843:Vitis
D007306:Insecticides; D005018:Ethyl Chloride; D003634:DDT
CHLORO PHENYL CHLOROETHANE (DDT); INSECTICIDES