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Evaluation of R-55 and mestranol to protect Douglas-fir seed from deer miceAuthor(s): G.L. Crouch; M.A. Radwan
Source: Res. Note PNW-RN-170. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 6 p
Publication Series: Research Note (RN)
Station: Pacific Northwest Research Station
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DescriptionBioassays using deer mice showed that R-55 a thiocarbamate derivative applied as 2-and 5-percent coatings was ineffective in reducing consumption of Douglas-fir seed. At 2 percent3 mestranol3 an antifertility chemical3 reduced seed consumption to levels comparable with endrin applied at 0.5 percent without impairing germination.
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CitationCrouch, G.L.; Radwan, M.A. 1971. Evaluation of R-55 and mestranol to protect Douglas-fir seed from deer mice. Res. Note PNW-RN-170. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 6 p
KeywordsSeed treatment. mice, biological as say, pesticides
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