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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP
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    Abstract - Issue Nov 2014, 35 (6)                                     Back


nstantaneous and historical temperature effects on a-pinene

Control of wilt disease of lentil through bio control agents and organic amendments in Tarai region of Uttarakhand, India 

 

Ankita Garkoti*, Vijay Kumar and H.S. Tripathi

Department of Plant Pathology, G.B. Pant University of Agriculture and Technology, Pantnagar-263 145, India

*Corresponding Author E-mail: ankita.garkoti2010@gmail.com

 

  

  

Publication Data

Paper received:

08 February 2013

 

Revised received:

25 June 2013

 

Re-revised received:

30 August 2013

 

Accepted:

05 October 2013

 

Abstract

The present work aimed at evaluating the efficacy of bioagents and organic amendments against lentil wilt pathogen. Field trials were carried out consecutively during Rabi 2010-11 and 2011-12 crop seasons in Randomized Block Design (RBD) with three replications, using 'Pant L-639' a popular cultivar. The plot size was 3.0?1.5 m2 with row spacing of 30 cm. Effect of selected bioagents and organic amendments on disease incidence, 1000 grain weight and yield kg ha-1 of lentil was recorded. It was observed that seed treatment with Trichoderma harizanum + Pseudomonas fluorescens significant by reduced 1.73 % (2010-11) and 1.93 % (2011-12) in Fusarium wilt disease incidence and increase in grain yield 507.6 kg ha-1 and 496.0 kg ha-1 respectively during both crop seasons. Among organic amendments, minimum wilt disease incidence of 1.69 % (2010-11) and 1.81 % (2011-12) and maximum grain yield 496.3 kg ha-1 (2010-11) and 484.0 kg ha-1 (2011-12) were observed in farm yard manure + spent compost treated plots. This indicates that these treatments have important roles in biologically based management strategies for controling Fusarium wilt disease under organic mode of lentil cultivation in Uttarakhand State.

 

Key words

Biocontrol agent, Fusarium, Lentil, Organic amendment 

 

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