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Title: Synthesis of Pisolithus Ectomycorrhizae on Pecan Seedlings in Fumigated Soil
Author: Marx, Donald H.;
Source: Res. Note SE-283. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.
Publication Series: Research Note (RN)
Description: Curtis variety of pecan (Carya illinoensis) seedlings were grown for 8 months in fumigated soil infested at sowing with mycelial inoculum of Pisolithus tinctorius. Pisolithus ectomycorrhizae were formed on all inoculated seedlings and significantly improved their growth over control seedlings. Inoculated and control seedlings also formed ectomycorrhizae with naturally occurring Thelephora terrestris which produced abundant fruit bodies on seedling stems; most were formed on control seedlings. The results showed that the techniques developed to formPisolithus ectomycorrhizae on pine seedlings are also applicable to pecan seedlings except that inoculum should be incorporated 20 cm deep rather than 1O cm, which is used for pine.
Keywords: regeneration of hardwoods, symbiotic association, nursery seedling production, thelephora terrestris, carya illinoensis, pecan
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Marx, Donald H. 1979. Synthesis of Pisolithus Ectomycorrhizae on Pecan Seedlings in Fumigated Soil. Res. Note SE-283. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.
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