Robert E. Stevens

Born 1928-01-01

Identifiers

Open LibraryOL4718455A

Top Subjects

Ponderosa pine -- Diseases and pests -- Colorado (3)
Control (2)
Diseases and pests (2)
California (2)
Lodgepole pine (1)
Mountain pine beetle (1)
Douglas fir (1)

Books by Robert E. Stevens

Total count: 16

Ethylene dibromide emulsion spray for control of the mountain pine beetle in lodgepole pine

California Forest and Range Experiment Station1957-01-01
Insect-caused damage to the 1956 Douglas-fir cone crop in California

California Forest and Range Experiment Station1957-01-01
Biology and control of the pine needle-sheath miner, Zelleria haimbachi Busck (Lepidoptera; Hyponomeutidae)

Pacific Southwest Forest and Range Experiment Station1959-01-01
Ethylene dibromide sprays for controlling bark beetles in California

California Forest and Range Experiment Station1959-01-01
Lindane spray effective against mountain pine beetle in the Rocky Mountains

Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1970-01-01
Insects and mites associated with dwarf mistletoes

Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1970-01-01
Pine needle-sheath minerRev. Aug. 1971

U.S. Govt. Print. Off.]1971-01-01
A ponderosa pine needle miner in the Colorado front range

Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1973-01-01
A roundheaded pine beetle outbreak in New Mexicoassociated stand conditions and impact

Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1974-01-01
Western pine-shoot borera threat to intensive management of ponderosa pine in the Rocky Mountain area and southwest

Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station1977-01-01
Protect your pines from mountain pine beetles

Forest Service, U.S. Dept. of Agriculture1978-01-01
Insects associated with ponderosa pine in Colorado

Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1980-01-01
Risk rating guide for mountain pine beetle in Black Hills ponderosa pine

U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station1980-01-01
Implants and sprays for control of ponderosa pine needle miner in foliage of individual trees

USDA Forest Service, Rocky Mountain Forest and Range Experiment Station1982-01-01
Insects associated with ponderosa pine in the Rocky Mountains and the Southwest

Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1982-01-01
Mountain pine beetle in front range ponderosa pineWhat it's doing and how to control it