Successful Reforestation of South Carolina Sandhills is not influenced by Seedling Inoculation with Pisolithus tinctorius in the Nursery
Longleaf (Pinus palustris) and loblolly pine (P. taeda) nursery beds were treated with either vegetative inoculum of Pisolithus tinctorius (Pt) or allowed to become inoculated with natural ectomycorrhizae (NI) from 1987 to 1991. The resulting Pt and NI seedlings were outplanted on 2 sites per year (1988-1992) for a total of 10 demonstration plantings on the Savannah River Site (SRS), South Carolina. After 4 yr (5 yr for Site 5) the presence of Pt on bareroot longleaf pine at the time of planting did not improve seedling diameter or height growth. Longleaf pine survival was increased with the presence of Pt only on one site, while NI seedlings had greater survival on five sites and greater growth on two sites. The presence of Pt on the containerized longleaf pine had no effect on survival or diameter growth after 4 yr. Inoculation of bareroot loblolly pine with Pt resulted in larger diameter seedlings at the time of planting for four of eight sites. However, these differences in diameter were not maintained in three of the sites after 4 yr. The use of Pt as an artificial inoculant of bareroot longleaf and loblolly pine seedlings does not increase survival or growth response of reforestation plantings on the sandhills of South Carolina after 4 (5) yr. South. J. Appl. For. 23(1):46-52.
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Document Type: Journal Article
Affiliations: USDA Forest Service, Southern Research, Athens, Georgia 30602
Publication date: 1999-02-01
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