Publication Information
| Title:
| Degree-day accumulation related to the phenology of Douglas-fir tussock moth and white fir during five seasons of monitoring in southern Oregon. |
| Author(s): |
Wickman, Boyd E. |
| Date: |
1981 |
| Source: |
Res. Note PNW-RN-392. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 10 p |
| Station ID: |
RN-PNW-392 |
| Description: |
Heat units were accumulated during the spring and early summer for five seasons to relate degree-days to tussock moth and host tree phenology. Little variation in the pattern and date of the phenological events was found during the five seasons of monitoring near Fort Klamath, southern Oregon.
|
| Keywords: |
Phenology, insect populations, bud burst, Douglas-fir tussock moth, Orgyia pseudotsugata, white fir, Abies concolor |
 |
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Citation
Wickman, Boyd E. 1981. Degree-day accumulation related to the phenology of Douglas-fir tussock moth and white fir during five seasons of monitoring in southern Oregon.. Res. Note PNW-RN-392. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 10 p
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