Tikendra Kumar*, R.K. Dantre and K.P. Verma
Department of Plant Pathology, Indira Gandhi Agricultural University,
Raipur 492006, Chhattisgarh, India
Email:tikendrasahu4481@gmail.com
Received-14.03.2016, Revised-25.03.2016
Abstrct: Soybean (Glycine max (L.) Merrill ) is one of the most important oil seed crop of India . Soybean aerial blight caused by Rhizoctonia solani is a most important oilseed disease. The disease appears July-August and is characterized by sudden and complete death of the plants. Antifungal activity of different medicinal plant leaf extracts, oils and Trichoderma spp were studies under in vitro condition. The Out of fifteen medicinal plants leaf extracts, studies, the extract of Butch significantly inhibited the mycelial growth of Rhizoctonia solani under in vitro conditions. Among the medicinal oils, Eucalyptus and Neem oils were found to significantly inhibit the mycelial growth of Rhizoctonia solani at 5% concentrations. Among the antagonists, maximum mycelial growth inhibition was observed by Trichoderma harzianum (74.81%) followed by Trichoderma viride (67.40%) while Trichoderma spp. (mushroom isolates) was least effective against Rhizoctonia solani.
Keywords: Aerial blight of soybean, Rhizoctonia solani, Antifungal compound, Trichoderma spp.
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