Authors: Namkoong, G.; Roberds, J. H.; Nunnally, L. B.; Thomas, H. A.

Source: Forest Science, Volume 25, Number 1, 1 March 1979 , pp. 197-203(7)

Publisher: Society of American Foresters

Abstract:

Isozyme analysis of five enzyme systems in southern pine beetles (Dendroctonus frontalis Zimmerman) and in western pine beetles (D. brevicomis Lec.) revealed genetic differences among widely spaced beetle populations. Georgia, Arizona, and Texas populations differed considerably from each other and from Virginia, North Carolina, and Louisiana populations. Greater differences existed between southeastern populations and populations from Arizona. Isozyme differences were apparent in the adenylate kinase, esterase, and glucose phosphate isomerase enzyme systems. Forest Sci. 25:197-203.

Keywords: Dendroctonus frontalis; Pinus taeda; Pinus echinata; Pinus ponderosa; genetic variation; geographic variation

Document Type: Journal article

Affiliations: 1: Principal Research Entomologist, Southeastern Forest Experiment Station, U.S. Department of Agriculture Forest Service, Forestry Sciences Laboratory, P.O. Box 12254, Research Triangle Park, North Carolina 27709

Publication date: 1979-03-01

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