Trichodermaspp. / Accession No. Chitinase (µmol GlcNAc. h-1.mg-1protein) 24 h 48 h 72 h 96 h Mean (T) T. harzianum (NBAII Th 1) 17.50 28.71 51.33 45.81 35.84 T. viride (NBAII Tv 23) 22.92 21.87 26.10 39.61 27.63 T. virens (NBAII Tvs 12) 23.64 22.07 40.31 37.12 30.78 T. koningii (MTCC 796) 35.63 37.04 37.94 41.37 38.00 T. pseudokoningii (MTCC 2048) 15.10 22.69 28.54 26.39 2318 T. hamatum (NBAII Tha-1) 29.60 26.14 36.19 37.40 32.33 T. harzianum(Local) 17.69 17.94 25.02 21.60 20.56 M. phaseolina- Control 1.36 1.07 2.18 2.32 1.73 Mean (H) 20.43 22.19 30.95 31.45     S.Em. C.D. at 5% C.V.%     T 0.444 1.264 2.91     H 0.314 0.894     TxH 0.888 2.528     Values represent mean of three experiments, each performed in duplicate.

Table 1: Specific activity of chitinase produced by Trichoderma spp. incubated with cell wall of pathogen Macrophomina phaseolina.