Test organisms Mean colony growth of S. cepivorum (cm) and Trichoderma species Mean % inhibition on S.cepivorum T. harzianum      ATh1      QTh2      NTh3      ITh4 Sclerotium cepivorum(Control) 2.00 d 2.10 d 2.15 d 2.25 d 4.45 a 65.4 a 64.8 a 61.4 a 60.8 a ---- T. viride      ATv1      QTv2      NTv3      ITv4 Sclerotium cepivorum (Control) 2.10 d 2.35 c 2.43 c 2.54 b 4.45 a 64.8 a 54.3 b 48.6 c 43.6 c ---- T. hamatum      AThm1      QThm2      NThm3      IThm4 Sclerotium cepivorum(Control) 2.34 c 2.43 c 2.48 c 2.56 b 4.45 a 54.3 b 48.6 c 45.4 c 43.5 c ---- T. koningii      ATk1      QTk2      NTk3      ITk4 Sclerotium cepivorum (Control) 2.38 c 2.39 c 2.56 b 2.45 c 4.45 a 53.5 b 53.2 b 43.5 c 48.5 c --- T. virens      ATvn1      QTvn2      NTvn3      ITvn4 Sclerotium cepivorum (Control) 3.15 a 3.24 a 3.45 a 3.23 a 4.45 a 35.6 d 33.8 d 32.5 d 33.5 d ----- C.V. 7.66 12.4 LSD (0.01) 0.48 8.2 SE 0.14 2.2 Means in the same column followed by the same superscript letter do not differ significantly, according to DMRT (P<0.01).

Table 4: Interaction between S. cepivorum and Trichoderma species under in vitro.