Evaluation of botanicals, cow urine and biocontrol agents against Rhizoctonia solani inciting leaf blight of Kalmegh (Andrographis paniculata)
2014
Ravi, Sanjeev | , Vishwanath | Kumar, Santosh | Kumar, P.
The efficacy of different plant extracts, cow urine and bio-agents was tested against Rhizoctonia solani, the incitent of leaf blight of Kalmegh (Andrographis paniculata). Garlic extract at 15% was found to be most effective with 78.89% inhibition followed by thuja extract at 15.0% concentration with 75.56% inhibition. Cow urine at the high concentration was found to be more effective in inducing cent per cent inhibition. Trichoderma harzianum (Th-4) caused maximum 88.71% in vitro inhibition followed by Th-12 with 78.63% where as Pseudomonas fluorescens (Psf) was least effective.
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