Pak. J. Bot., 39(3): 945-951, 2007.

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			Updated: 09-07-09
	SCREENING OF TRICHODERMA SPECIES FOR TOLERANCE TO FUNGICIDES MUHAMMAD OMER KHAN AND SALEEM SHAHZAD* Abstract: Fungicides viz., Benomyl, Topsin- M, Carbendazim and Cuprocaffro were used at different concentrations i.e., 0, 1, 10, 100, 1000 and 10,000 ppm a.i. to evaluate Trichoderma species viz. T. harzianum, T. pseudokoningii, T. longibrachiatum, T. viride for tolerance to fungicides. Topsin-M and Carbendazim were the most effective fungicides that inhibit the growth of Trichoderma species even at low concentration. Topsin-M completely suppressed the growth of T. harzianum at 10ppm. Pest and Disease Research Lab., Department of Botany, University of Karachi 75270, Pakistan *Department of Agriculture, University of Karachi, Karachi-75270, Pakistan

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