1-12 of 12 Books
Tree injection with systemic insecticide to control leaf-eating and sap-sucking insects
Tree injection with systemic insecticide to control leaf-eating and sap-sucking insects
By I. K. Drew

Cattle-grub control with systemic insecticides
By United States. Agricultural Research Service

Systemic chemicals for crop-insect control
By United States. Agricultural Research Service

Evaluation of some experimental phosphorus and carbamate compounds as systemic insecticides
By R. L. Ridgway

Pilot test of systemics for control of Nantucket pine tip moth
By John L. Rauschenberger

Systemic insecticide control of some pests of trees and shrubs
By English, Lester Lamar
The hazard of plant-systemic insecticides to nectar-collecting bees
The hazard of plant-systemic insecticides to nectar-collecting bees
By Howard M. Mizuta
The effects of ronnel fed to rats for the control of oriental rat fleas
The effects of ronnel fed to rats for the control of oriental rat fleas
By Allan Gillis O'Berg
Some toxicological aspects of Ruelene, an organophosphate, used systemically to control ectoparasites
Some toxicological aspects of Ruelene, an organophosphate, used systemically to control ectoparasites
By Harry Glen Smith
Acephate residues in second year cones of Pinus sylvestris L. sprayed to prevent damage by Dioryctria disclusa Heinrich
Acephate residues in second year cones of Pinus sylvestris L. sprayed to prevent damage by Dioryctria disclusa Heinrich
By M. E Dix
Effectiveness of three systemic insecticides for Douglas-fir cone and seed insect control
Effectiveness of three systemic insecticides for Douglas-fir cone and seed insect control
By Norman E. Johnson
Systemic insecticide control of some pests of trees and shrubs
Systemic insecticide control of some pests of trees and shrubs
By L. L. English