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    Author(s): Fikret Isik; Henry Amerson; Saul Garcia; Ross Whetten; Steve McKeand
    Date: 2012
    Source: In: Sniezko, Richard A.; Yanchuk, Alvin D.; Kliejunas, John T.; Palmieri, Katharine M.; Alexander, Janice M.; Frankel, Susan J., tech. coords. Proceedings of the fourth international workshop on the genetics of host-parasite interactions in forestry: Disease and insect resistance in forest trees. Gen. Tech. Rep. PSW-GTR-240. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. p. 217
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (148.46 KB)

    Description

    Fusiform rust disease in loblolly (Pinus taeda L.) and slash (Pinus elliottii Engelm. var elliottii) pine plantations in the southern United States causes multi-million dollar annual losses. The disease is endemic to the region. The fusiform rust fungus (Cronartium quercuum sp. fusiforme) infects young pine trees and develops galls on stems and branches. Single pathogen gene and single host (pine) gene interactions can predict phenotype (disease expression) with high accuracy (Wilcox et al. 1996). There are nine known pathotype-specific Fr genes in seven loblolly pine families. The R alleles condition resistance to specific genotypes of the fungal pathogen while r alleles do not condition for resistance.

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    Citation

    Isik, Fikret; Amerson, Henry; Garcia, Saul; Whetten, Ross; McKeand, Steve. 2012. Bulked fusiform rust inocula and Fr gene interactions in loblolly pine. In: Sniezko, Richard A.; Yanchuk, Alvin D.; Kliejunas, John T.; Palmieri, Katharine M.; Alexander, Janice M.; Frankel, Susan J., tech. coords. Proceedings of the fourth international workshop on the genetics of host-parasite interactions in forestry: Disease and insect resistance in forest trees. Gen. Tech. Rep. PSW-GTR-240. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. p. 217.

    Keywords

    forest disease and insect resistance, evolutionary biology, climate change, durable resistance

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https://www.fs.usda.gov/treesearch/pubs/44917