ANTAGONISTIC EFFECT OF TRICHODERMA SPP. PRESENT IN SPENT MUSHROOM SUBSTRATE AGAINST RHIZOCTONIA SOLANI CAUSING DAMPING-OFF AND ROOT ROT IN TOMATO
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 1
Abstract
Spent mushroom substrate (SMS) is the result of mushroom houses; remain after the harvest of mushroom crop which having bio-agents and rich in nutrients. It not only supply nutrition to the soil but also helps in management of soil-borne plant pathogens. In present studies the bio-agents Trichoderma spp., named as T. harzianum and T. viride were isolated from SMS and efficacy of bio-agents were tested by seed treatment in screen house as well as SMS application in nursery conditions; against R. solani causing damping-off and root rot in tomato. It was reported that, seed treatment of tomato with T. harzianum along with addition of SMS @ 15% showed maximum (88.33%) seed germination and minimum (11.28%) seedling mortality. Similarly, in nursery conditions, addition of SMS @ 2.5 kg/m2 was found to be most effective which showed the maximum seed germination (78.70%) and disease control (63.19%); along with low (15.88%) seedling mortality.
Authors and Affiliations
SURESH VERMA, ASHWANI KUMAR, JAGDEEP SINGH, SURJEET SINGH, R. S. RANA
Keywords
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