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systemic insecticides

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View Tree injection with systemic insecticide to control leaf-eating and sap-sucking insects By I. K. Drew

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

View Cattle-grub control with systemic insecticides By United States. Agricultural Research Service
Cover of Cattle-grub control with systemic insecticides by united states. agricultural research service

Cattle-grub control with systemic insecticides

By United States. Agricultural Research Service

View Systemic chemicals for crop-insect control By United States. Agricultural Research Service
Cover of Systemic chemicals for crop-insect control by united states. agricultural research service

Systemic chemicals for crop-insect control

By United States. Agricultural Research Service

View Evaluation of some experimental phosphorus and carbamate compounds as systemic insecticides By R. L. Ridgway
Cover of Evaluation of some experimental phosphorus and carbamate compounds as systemic insecticides by r. l. ridgway

Evaluation of some experimental phosphorus and carbamate compounds as systemic insecticides

By R. L. Ridgway

View Pilot test of systemics for control of Nantucket pine tip moth By John L. Rauschenberger
Cover of Pilot test of systemics for control of Nantucket pine tip moth by john l. rauschenberger

Pilot test of systemics for control of Nantucket pine tip moth

By John L. Rauschenberger

View Systemic insecticide control of some pests of trees and shrubs By English, Lester Lamar
Cover of Systemic insecticide control of some pests of trees and shrubs by english, lester lamar

Systemic insecticide control of some pests of trees and shrubs

By English, Lester Lamar

View The hazard of plant-systemic insecticides to nectar-collecting bees By Howard M. Mizuta

The hazard of plant-systemic insecticides to nectar-collecting bees

The hazard of plant-systemic insecticides to nectar-collecting bees

By Howard M. Mizuta

View The effects of ronnel fed to rats for the control of oriental rat fleas By Allan Gillis O'Berg

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

View Some toxicological aspects of Ruelene, an organophosphate, used systemically to control ectoparasites By Harry Glen Smith

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

View Acephate residues in second year cones of Pinus sylvestris L. sprayed to prevent damage by Dioryctria disclusa Heinrich By M. E Dix

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

View Effectiveness of three systemic insecticides for Douglas-fir cone and seed insect control By Norman E. Johnson

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

View Systemic insecticide control of some pests of trees and shrubs By L. L. English

Systemic insecticide control of some pests of trees and shrubs

Systemic insecticide control of some pests of trees and shrubs

By L. L. English