Armillaria root disease /Publisher: [Washington, D.C.?] : U.S. Dept. of Agriculture, Forest Service : [publisher not identified],
Date: 1986. This title can be found in 1 Iowa libraries.
How to prevent conifer nursery and plantation damage by scleroderris canker /Publisher: [Washington, D.C.?] : U.S. Department of Agriculture,
Date: 1984. This title can be found in 1 Iowa libraries.
How to identify and control cylindrocladium root rot in conifer nurseries /Publisher: St. Paul, MN : The Station,
Date: 1984. This title can be found in 1 Iowa libraries.
Root disease-caused losses in the commercial coniferous forests of the western United States /Author: Smith, Richard S.
Publisher: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, Methods Application Group,
Date: 1984. This title can be found in 3 Iowa libraries.
How to identify and control diplodia shoot blight, collar rot, and canker of conifers /Publisher: [St. Paul, Minn.] : U.S. Department of Agriculture, North Central Forest Experiment Station,
Date: 1983. This title can be found in 1 Iowa libraries.
Timber loss estimates for the coniferous forests of the United States due to dwarf mistletoes.Author: Drummond, David B.
Publisher: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, Methods Application Group,
Date: 1982. This title can be found in 3 Iowa libraries.
Demonstration of Marsh Turbo Thrush to deliver pesticides to coniferous forests.Publisher: Davis, Calif. : Methods Application Group, Forest Insect and Disease Management, Forest Service, USDA,
Date: [1981] This title can be found in 1 Iowa libraries.
The Southern pine beetle /Publisher: [Washington?] : U.S. Department of Agriculture, Expanded Southern Pine Beetle Research and Application Program, Forest Service, Science and Educattion Administration,
Date: [1981] This title can be found in 1 Iowa libraries.
Phoradendron on conifers /Author: Hawksworth, Frank G.,
Publisher: [Washington, D.C.?] : U.S. Department of Agriculture, Forest Service,
Date: 1980. This title can be found in 1 Iowa libraries.
How to identify scleroderris canker /Author: Skilling, Darroll D.
Publisher: [St. Paul, Minn.] : Department of Agriculture, Forest Service, North Central Forest Experiment Station,
Date: [1979] This title can be found in 1 Iowa libraries.
Scleroderris canker of northern conifers /Author: Skilling, Darroll D.
Publisher: [Washington] : Department of Agriculture, Forest Service,
Date: [1979] This title can be found in 1 Iowa libraries.
Bark beetles of the genus Hylastes erichson in North America /Author: Blackman, M. W.
Publisher: Washington, D.C. : U.S. Dept. of Agriculture,
Date: 1941. This title can be found in 1 Iowa libraries.
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