Seasonal variation of degree-day accumulation in relation to phenology of western spruce budworm, Douglas-fir tussock moth, and host trees in northeastern Oregon / Boyd E. Wickman.
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Portland, OR :
U.S. Department of Agriculture, Pacific Northwest Research Station,
[1988]
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| Series: | Research note PNW ;
482. |
| Subjects: |
| Item Description: | Caption title. "November 1988." |
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| Physical Description: | 11 pages : illustrations ; 28 cm |
| Bibliography: | Includes bibliographical references (pages 10-11). |
| Language: | Text in English. |