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Genotype-Environment Interaction in Rust Resistance in Mississippi Loblolly Pine

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Seed was collected from five trees in each of 115 sources of loblolly (Pinus taeda L.) pine in or near Mississippi and grown in three widely separated planting locations for 10 years. The loblolly population west of the Mississippi River, in the loess hills along the east side of the flood plain of the Mississippi River, and in the western Florida Parishes of Louisiana proved to be consistently more resistant to fusiform rust (Cronartium quercuum [Beck.] Miyabe ex Shirai f. sp. fusiforme) than loblolly pine from the rest of the study area. This resistance was stable in all three plantings. Less stable was the occasional resistance found in individual half-sib families scattered throughout the generally susceptible population. About 2.5 percent of the families from the generally susceptible population were resistant in all three planting locations. Forest Sci. 28:797-809.

Keywords: Pinus taeda; genecology; progeny tests; provenance tests; southern fusiform rust

Document Type: Journal Article

Affiliations: Principal Plant Geneticists, Southern Forest Experiment Station, USDA Forest Service, Gulfport, MS 39503

Publication date: 1982-12-01

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

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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