Plant activator and silicon nutrient mediated resistance against powdery mildew of Black gram (Vigna mungo L. Hepper)

Journal Title: GJRA-Global Journal For Research Analysis - Year 2015, Vol 4, Issue 6

Abstract

Black gram is an important pulse crop grown under rainfed conditions and it is mostly affected by powdery mildew disease caused by Erysiphe polygoni. Field evaluation of plant activators, silicon nutrients and tridemorph at various levels showed that, the results of all the plant activators reduced the powdery mildew disease incidence over control. Among them, resistance inducing plant activators viz., salicylic acid at 50ppm was the most effective (6.10%) in reducing the powdery mildew incidence followed by plots sprayed with acetyl salicylic acid at 50ppm level (7.55%). Silicon nutrient treatments like sodium silicate at 1.0 per cent level was the most effective (5.21%) as compared to 32.40 per cent observed in control. In general, Salicylic acid 50ppm sprayed plots recorded maximum black gram pod yield and minimum disease incidence compared to test fungicide and untreated control.

Authors and Affiliations

Parthasarathy S, Jaiganesh V

Keywords

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  • EP ID EP585575
  • DOI -
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How To Cite

Parthasarathy S, Jaiganesh V (2015). Plant activator and silicon nutrient mediated resistance against powdery mildew of Black gram (Vigna mungo L. Hepper). GJRA-Global Journal For Research Analysis, 4(6), 24-26. https://europub.co.uk/articles/-A-585575