H. R. Offord
Born 1903-01-01
Identifiers
- Open LibraryOL5329636A
Top Subjects
- Blister rust (2)
- White pine -- Diseases and pests (2)
- Ribes (1)
- Blister rust -- Control (1)
- White pine (1)
- Control (1)
- Diseases and pests (1)
Books by H. R. Offord
Total count: 6
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The chemical eradication of ribesU.S. Dept. of Agriculture1931-01-01
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Chemical and mechanical methods of ribes eradication in the white pine areas of the Western StatesU.S. Dept. of Agriculture1940-01-01
Improvements in the control of ribes by chemical and mechanical methodsU.S. Dept. of Agriculture1952-01-01
Forest diseases in Californiaproblems and the research program of the Pacific Southwest StationU.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station1961-01-01-
Diseases of Monterey pine in native stands of California and in plantations of western North AmericaPacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1964-01-01
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Sequential sampling of ribes populations in the control of white pine blister rust (Cronartium ribicola Fischer) in CaliforniaPacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture1966-01-01