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Vol. 10, Issue 10 (2021)

Eco-friendly management of brown spot disease of rice (Oryza sativa L.)

Author(s):
Pallavi NG and VA Patil
Abstract:
The four native isolates of different bio-agents viz., Trichoderma viride, T. harzianum, Pseudomonas fluroscensand Bacillus subtilis were evaluated against Bipolaris oryzaethrough dual culture technique. Among the bio agents Trichoderma viride produced maximum mycelial inhibition (73.08%) followed by Trichoderma harzianum (69.05%), Pseudomonas fluroscens (67.30%) and Bacillus subtilis (59.94%). The ten different botanicals extract tested by poisoned food technique at five per cent concentration. Among the botanicals leaves extract of turmeric produced maximum inhibition (67.04%) followed by rhizome extract of ginger (42.18%), bulb extract of garlic (31.48%), leaf extract of datura (24.33%), bulb extract of onion (22.22%), jetropha (21.85%), eucalyptus (20.37%) and neem (19.14%). Whereas, leaf extract of tulsi (9.63%) and leaf extract of karanj (4.81%) were found least effective in inhibiting the growth of the pathogen.
Pages: 285-288  |  346 Views  140 Downloads


The Pharma Innovation Journal
How to cite this article:
Pallavi NG, VA Patil. Eco-friendly management of brown spot disease of rice (Oryza sativa L.). Pharma Innovation 2021;10(10):285-288.
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