ISSN: 0973-7510

E-ISSN: 2581-690X

Siddarth N. Rahul, Kamal Khilari, Sachin K. Jain, R. K. Dohrey2 and Ashish Dwivedi1
Department of Plant Pathology, Vallabhbhai Patel Uni. of Ag. & tech. Meerut – 250110, India.
1Department of Agronomy Sardar, Vallabhbhai Patel Uni. of Ag. & tech. Meerut – 250110, India.
2Department of Extension Education, N.D.U.A. &T., Narendra Nagar (Kumarganj),
Faizabad (U.P.) – 224 229, India.
J. Pure Appl. Microbiol., 2016, 10 (3): 2433-2438
© The Author(s). 2016
Received: 10/03/2016 | Accepted: 02/05/2016 | Published: 30/09/2016
Abstract

An integrated approach was made to control the black scurf of potato (Solanum tuberosum Linn.). Potato is one of the important crop and the fourth largest grown crop after rice, wheat and maize in the world. The pathogen was isolated from naturally infected tubers and the fungus was purified. In the pathogenicity test the symptoms were found on tuber, stem and stolon also. The efficacy of organic amendments (Vermicompost, Neem cake and Farm Yard Manure) was evaluated as soil application alone or in combination with the antagonist (T. harzianum). The Vermicompost and Neem cake both found effective in reducing the Black Scurf Disease Index (BSDI) while FYM was less effective in controlling the black scurf, stolon and stem canker. The Vermicompost and Neem cake also promote the growth of the plant i.e. increasing the shoot length, seed size and formation of tubers per plant was increased. The yield was also increased by the Vermicompost and Neem cake. The organic amendments can be too useful in reducing the soil-borne disease.

Keywords

Organic amendments, Vermicompost, Neem cake and FYM, Rhizoctonia solani.

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© The Author(s) 2016. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits unrestricted use, sharing, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.