Influence of Ectomycorrhizae on Survival and Growth of Aseptic Seedlings of Loblolly Pine at High Temperature

Authors: Marx, Donald H.; Bryan, W. Craig

Source: Forest Science, Volume 17, Number 1, 1 March 1971 , pp. 37-41(5)

Publisher: Society of American Foresters

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Abstract:

After 5 weeks at 40° C root substrate temperature, 45 percent of nonmycorrhizal Pinus taeda seedlings survived. Seedlings with ectomycorrhizae formed by Thelephora terrestris and Pisolithus tinctorius had 70 and 95 percent survival, respectively. Growth increments of foliage and roots of living pine seedlings at 40° C were compared to those grown at 25°. The nonmycorrhizal seedlings, and seedlings with ectomycorrhizae formed by T. terrestris, did not change significantly. Seedlings with ectomycorrhizae formed by P. tinctorius maintained at 40° C for 5 weeks grew as well as those grown at 25° C. Forest Sci. 17:37-41.

Keywords: Thelephora terrestris; Pisolithus tinctorius; Pinus taeda

Document Type: Journal article

Affiliations: 1: Associate Plant Pathologist, Southeastern Forest Exp. Sta., USDA Forest Service, Forestry Sciences Lab., Athens, Georgia 30601, maintained in cooperation with the Dep. of Plant Pathology and Plant Genetics, University of Georgia, Athens

Publication date: 1971-03-01

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