Incidence of root infecting fungi was determined by
the modified method of Short et al., (1980). Plants were
uprooted after 6 weeks growth. Roots were washed and
pieces of 1 cm were made from each plant. The root
pieces were surface sterilized with 1% Ca (OCl) 2 for 3
min and were transferred onto potato dextrose plates
containing penicillin (100,000 Ul-1) and streptomycin
(200 mg l-1). The incidence of root-infecting fungi
(Fusarium spp. M. phaseolina and R. solani) was
recorded and data for each pathogen was analyzed by Ftest and means were separated by DMR Test at alpha
0.05.