Abstract The current study was conducted to assess the antagonistic bio-efficacy of using wild type and mutant isolates of Glomus versiforme (AMF) and Trichoderma harzianum (TH) in inhibiting powdery mildew… Click to show full abstract
Abstract The current study was conducted to assess the antagonistic bio-efficacy of using wild type and mutant isolates of Glomus versiforme (AMF) and Trichoderma harzianum (TH) in inhibiting powdery mildew disease and enhancing growth of cowpea in a screen house pot experiment. In all, both singly and co-inoculation, eleven treatments were applied as follows: AMFwild, AMF30, AMF60, AMF90, TH, AMFwild + TH, AMF30 + TH, AMF60 + TH, AMF90 + TH, Pathogen alone and control. Results of preliminary antagonistic assay reveal that, using the bio-agents Trichoderma harzianum and Glomus versiforme inhibited the cowpea pathogen Erysiphe flexuosa. Cowpea growth measurements and disease assessment were taken after 7 weeks. All treatments significantly (P
               
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