alexa Effect of Botanical Formulation of Polygonum Minus (P-4
ISSN: 2157-7471

Journal of Plant Pathology & Microbiology
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Research Article

Effect of Botanical Formulation of Polygonum Minus (P-40) on Control of Alternaria Solani

R. Parimala Devi* and P. Marimuthu
Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore - 641 003, India
Corresponding Author : Dr. R. Parimala Devi
Department of Agricultural Microbiology
Tamil Nadu Agricultural University
Coimbatore - 641 003, India
E-mail: [email protected], [email protected]
Received October 08, 2010; Accepted January 28, 2011; Published February 10, 2011
Citation: Devi RP, Marimuthu P (2010) Effect of Botanical Formulation of Polygonum Minus (P-40) on Control of Alternaria Solani. J Plant Pathol Microbiol 2:104. doi:10.4172/2157-7471.1000104
Copyright: © 2011 Devi RP, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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An ecofriendly botanical formulation "Polymin 40 EC" was developed from the chloroform extract of P. minus. The effect of various concentrations of P-40 on seed infection, germination and vigour of tomato and 2 per cent P-40 was found to increase the germination and vigour but reduced the seed infection to a significant extent. Two percent P-40 was found to be the optimum concentration for plant disease control (tomato - Alternaria solani) under pot culture conditions. Application of P-40 increased the activity of peroxidase (PO), polyphenol oxidase (PPO), phenylalanine ammonia lyase (PAL) and phenol content of the crop plants.


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