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Suggested Topics within your search.
Suggested Topics within your search.
- Dutch elm disease
- Control 11
- Diseases and pests 10
- Elm 10
- Ceratocystis ulmi 3
- Law and legislation 3
- Plant diseases 3
- Elm phloem necrosis 2
- Aerial photography in forestry 1
- Bark beetles 1
- Birds 1
- Budget 1
- DDT (Insecticide) 1
- Fire prevention 1
- Fire safety and prevention 1
- Forest and brush fires 1
- Forest fires 1
- Hylurgopinus rufipes 1
- Infrared photography 1
- Necrosis 1
- Oak wilt 1
- Pests 1
- Phloem 1
- Plant diseases and disorders 1
- Plant quarantine 1
- Pruning 1
- Rootstocks 1
- Sanitation 1
- Scolytus multistriatus 1
- Supplementary appropriations 1
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1
Methoxychlor : safe and effective substitute for DDT in controlling Dutch elm disease /
Published 1962Government Document Book
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2
Relative importance of root grafts and bark beetles to the spread of Dutch elm disease /
Published 1975Search for the full-text version of this title in HathiTrust
Government Document Book -
3
Laboratory assay of cacodylic acid and Meta-Systox-R on Scolytus multistriatus and Pseudopityophthorus SP /
Published 1974Government Document Book -
4
How to identify and manage Dutch elm disease /
Published 1998Search for the full-text version of this title in HathiTrust
Government Document Book -
5
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6
Time and materials needed to survey, inject systematic fungicides, and install root-graft barriers for Dutch elm disease management /
Published 1986Online Access
Online Access
Government Document eBook -
7
Dutch elm disease occurrence of root grafts /
Published 1980Online Access
Government Document Electronic eBook -
8
Dutch elm disease control : intensive sanitation and survey economics /
Published 1977Search for the full-text version of this title in HathiTrust
Government Document Book -
9
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10
Dutch elm disease and methoxychlor /
Published 1976Search for the full-text version of this title in HathiTrust
Government Document Book -
11
How to identify Dutch elm disease /
Published 1978Search for the full-text version of this title in HathiTrust
Government Document Book -
12
How to save Dutch elm diseased trees by pruning /
Published 1979Search for the full-text version of this title in HathiTrust
Government Document Book -
13
Dutch elm disease control : performance and costs, cost updated to 1979 and reaffirmed /
Published 1980Search for the full-text version of this title in HathiTrust
Government Document Book -
14
Dutch elm disease and its management /
Published 1982Search for the full-text version of this title in HathiTrust
Government Document Book -
15
Improved sanitation practice for control of Dutch elm disease /
Published 1977Search for the full-text version of this title in HathiTrust
Government Document Book -
16
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17
Dutch elm disease and its control /
Published 1979Search for the full-text version of this title in HathiTrust
Government Document Book -
18
Dutch elm disease : proceedings of IUFRO Conference, Minneapolis-St. Paul, USA, September 1973 /
Published 1975Search for the full-text version of this title in HathiTrust
Government Document Book -
19
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20
Notice of lifting of domestic Dutch elm disease quarantine, effective May 1, 1947.
Published 1947(paper)
Government Document Book