Powers, J., H.R., R. Belanger, W. Pepper, and F. Hastings. 1992a. An observation of differential mortality caused by the southern pine beetle within 11-year old rust-resistant loblolly pine from different geographical seed sources. Page 170 In Douglas C. Allen and L.P. Abrahamson (eds.), Proceedings: North American Forest Insect Work Conference, Denver, Colorado, March 25-28, 1991. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), General Technical Report PNW-GTR-294.
Powers et al. 1992
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