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Characterization of Hybrid Poplar Clones for Resistance to the Forest Tent Caterpillar

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Forest tent caterpillar, Malacosoma disstria Hbn., behavioral and developmental interactions with 15 hybrid Populus spp. clones were studied in laboratory and glasshouse trials. Significant differences in larval preference and performance among the clones were found. Larval development time ranged from 30 to 52 days. Second-instar preference and larval development were significantly correlated, but 4th-instar preference and larval development were not. Second- and fourth-instar preferences were not correlated. Clonal productivity and tolerance of defoliation varied significantly, but were not correlated. The relationships between productivity, defoliation tolerance, and insect resistance were examined in regard to plant defense theory, host plant resistance, clonal selections for tree improvement, and assay utility. For. Sci. 40(4):686-714.

Keywords: Malacosoma disstria; Populus; herbivory and tolerance; host plant resistance; tree improvement

Document Type: Journal Article

Affiliations: Dept. of Entomology, University of Wisconsin, Madison, WI 53706

Publication date: 1994-11-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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