Systemic chemicals for crop-insect control

Effectiveness of three systemic insecticides for Douglas-fir cone and seed insect control

Norman E. Johnson

Tree injection with systemic insecticide to control leaf-eating and sap-sucking insects

I. K. Drew

Pilot test of systemics for control of Nantucket pine tip moth

John L. Rauschenberger

Evaluation of some experimental phosphorus and carbamate compounds as systemic insecticides

R. L. Ridgway

Cattle-grub control with systemic insecticides

United States. Agricultural Research Service

Acephate residues in second year cones of Pinus sylvestris L. sprayed to prevent damage by Dioryctria disclusa Heinrich

M. E Dix

The effects of ronnel fed to rats for the control of oriental rat fleas

Allan Gillis O'Berg

Systemic insecticide control of some pests of trees and shrubs

English, Lester Lamar

Systemic insecticide control of some pests of trees and shrubs

L. L. English