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Pine Root Reaction in Sterile Culture to Mycorrhizal and Other Fungi

K. D. Doak
The American Midland Naturalist
Vol. 54, No. 2 (Oct., 1955), pp. 443-451
Published by: University of Notre Dame
DOI: 10.2307/2422579
Stable URL: http://www.jstor.org/stable/2422579
Page Count: 9
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Pine Root Reaction in Sterile Culture to Mycorrhizal and Other Fungi
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Abstract

Several modifications in design and assembly of simplified sterile culture chambers for growing individual plants were tested with five suspected root fungi on two species of pine. Root reactions in the development of mycorrhizal and parasitic infections were compared. Boletinus pictus Peck and Boletus miniato-olivaceus Frost formed a type of Hartig network and mantle characteristic of certain pine mycorrhizae in nature. Armillaria mellea (Vahl.) Quel. produced rhizomorphs and an intracellular penetration resembling its previously reported parasitic behavior under natural conditions. A new combination of mycorrhizal and associated structures produced by AS 34-3 (sterile mycelium) on Pinus taeda L. was described.

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