Studies on Mycorrhiza, Mycorrhizosphere and Mycobionts of <I>Cedrus deodara</I>

Abstract

Studies were conducted on the mycorrhiza, mycorrhizosphere and mycobionts of Cedrus deodara. The natural young mycorrhizal roots were creamish white in colour. They show racemose branching which later acquires coralloid appearance. Ectomycorrhizal type of mycorrhiza in Cedrus deodara is confirmed by the presence of fungal mantle andHartignet in the transverse section of the mycorrhizal roots. 15 fungal species belonging to 9 genera (i.e.Absidia, Aspergillus, Cladosporium, Macrophomina, Myrothecium, Penicillium, Stachybotrys, Trichoderma and Trimmatostroma)are being reported as the mycorrhizosphere isolates of Cedrus deodara. Penicillium was the dominant isolate followed by Absidia, Aspergillus and Cladosporium. Leccinum griseonigrum and Scleroderma verrucosum are being reported as the ectomycorrhizal mycobionts of Cedrus deodara