Field Test of Lindane for Bark Beetle Control
Author : Verne R. Osburn
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Page : 6 pages
File Size : 39,27 MB
Release : 1962
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Author : Verne R. Osburn
Publisher :
Page : 6 pages
File Size : 39,27 MB
Release : 1962
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Author :
Publisher :
Page : 36 pages
File Size : 27,8 MB
Release : 1976
Category : Bark beetles
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Author : F. L. Hastings
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Page : 52 pages
File Size : 46,71 MB
Release : 1981
Category : Beetles
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Author :
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Page : 68 pages
File Size : 48,36 MB
Release : 1965
Category : Agriculture
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Author : Richard Harrison Smith
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Page : 12 pages
File Size : 12,6 MB
Release : 1982
Category : Bark beetles
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Residual effectiveness of nine insecticides applied to bark was tested against western, mountain, and Jeffrey pine beetles. Ponderosa and Jeffrey pine trees were treated and logs cut from them 2 to 13 months later, and bioassayed with the three beetles. The insecticides were sprayed at the rate of 1 gal (3.8 l) per 40- or 80-ft2 (3.6 or 7.2 m2) bark surface at varying concentrations. Effectiveness of treatment was based on reduction in length of egg galleries 2 to 3 weeks after initiating bioassay. All chemicals were quite effective for 2 to 13 months, except for malathion and Imidan which were relatively ineffective, depending largely on concentration and application rate. On the basis of equivalent amounts of lindane, the ranking ofeffectiveness ofinsecticides tested was as follows: (a) on western pine beetle: decamethrin> permethrin> lindane> Reldan> Dursban Sumithion> Sevin; (b) on mountain pine beetle: decamethrin> permethrin> lindane> Dursban Reldan> Sevin> Sumithion; (c) on Jeffrey pine beetle: decamethrin> permethrin> lindane> Sevin. The residual effectiveness of lindane was about doubled by adding 2 percent molasses, and high pH of water reduced effectiveness of Sevin. Other application parameters had little effect.
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Page : 788 pages
File Size : 13,52 MB
Release : 1966
Category : Forests and forestry
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Author : California. Division of Forestry
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Page : 3 pages
File Size : 41,70 MB
Release : 1965
Category : Flatheaded borer
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Author : Robert L. Lyon
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Page : 66 pages
File Size : 13,28 MB
Release : 1965
Category : Bark beetles
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Author : Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
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Page : 596 pages
File Size : 22,44 MB
Release : 1976
Category : Forests and forestry
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Author : Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
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Page : 502 pages
File Size : 37,33 MB
Release : 1967
Category : Forests and forestry
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