2014, Issue 1, Volume 6

TOXICITY EFFECT OF CULTURE FILTRATES OF SOME FUNGI ON SEED GERMINATION AND SEEDLING GROWTH OF SORGHUM VULGARE PERS

Reena Bansal and D.K. Jain

Department of Botany, Meerut College, Meerut (U.P.)

Abstracts: Culture filtrate of all the tested fungi, e.g. Alternaria alternata, Aspergillus flavus, A. niger, Chaetomium brasilense,Cladosporium herbarum, Colletotrichum dematium, Curvularia lunata, Fusarium oxysporum, Macrophomina phaseoli, Myrothecium roridum and Trichoderma viride adversely affected the seed germination and seedling growth. Boiled culture filtrate of M. roridum produced maximum inhibition in seed germination.  Both root and shootwere reduced maximum by Myrothecium roridum followed by Fusarium oxysporum, Trichoderma viride and Curvularia lunata. Boiled filtrates were more effective than the unboiled ones. In general, roots were more susceptible to toxins.

Keywords: Germination, Fungi, Sorghum vulgare

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