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Douglas fir -- Diseases and pests.

Spread of Phellinus weirii inoculated on the roots of standing and recently cut juvenile Douglas-fir trees

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Spread of Phellinus weirii inoculated on the roots of standing and recently cut juvenile Douglas-fir trees
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Spread of Phellinus weirii inoculated on the roots of standing and recently cut juvenile Douglas-fir trees
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Microbial and insect colonization of Douglas-fir stumps and roots, with special reference to Phellinus weirii (Murr.) Gilbertson and glyphosate application

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Microbial and insect colonization of Douglas-fir stumps and roots, with special reference to Phellinus weirii (Murr.) Gilbertson and glyphosate application
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Microbial and insect colonization of Douglas-fir stumps and roots, with special reference to Phellinus weirii (Murr.) Gilbertson and glyphosate application
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Management of laminated root rot caused by Phellinus weirii (Murr.) Gilbertson in Douglas-Fir.

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Management of laminated root rot caused by Phellinus weirii (Murr.) Gilbertson in Douglas-Fir.
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Management of laminated root rot caused by Phellinus weirii (Murr.) Gilbertson in Douglas-Fir.
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Biology, sampling and control of the Douglas-fir cone gall midge, Contarinia oregonensis Foote (Diptera: Cecidomyiidae), in Douglas-fir seed orchards in British Columbia

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b12747014.pdf 5.71 MB
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Biology, sampling and control of the Douglas-fir cone gall midge, Contarinia oregonensis Foote (Diptera: Cecidomyiidae), in Douglas-fir seed orchards in British Columbia
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Biology, sampling and control of the Douglas-fir cone gall midge, Contarinia oregonensis Foote (Diptera: Cecidomyiidae), in Douglas-fir seed orchards in British Columbia
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