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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS) : NAAS Score: *5.38 (2017) [Effective from January 1, 2017]For more details click here
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2017)
[Effective from January 1, 2017]
For more details click here

ICV 2016: 92.3
Index Copernicus ICI Journals Master List 2016 - IJCMAS--ICV 2016: 92.3
For more details click here
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2015: 85.95
NAAS RATING 2017: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(4): 26-31
DOI: https://doi.org/10.20546/ijcmas.2017.604.004


Evaluation of Selected Bio Agents, Plant Extracts and Fungicides for the Management of Alternaria Leaf Blight of Indian Mustard
Kuldeep Singh*, Abhilasha A. Lal, Dinesh Kumar and Neeraj Kumar Meena
Department of Plant Pathology, Allahabad School of Agriculture, Sam Higgin bottom Institute of Agriculture, Technology and Sciences, Allahabad – 211 007, India
*Corresponding author
Abstract:

A field experiment was conducted at the research plot of the Department of Plant Pathology, SHIATS, Allahabad, U.P. during the Rabi season of 2013-14 to evaluate selected bioagents, plant extracts and fungicides for the management of Alternaria blight of Indian mustard (Brassica juncea L.) by applying foliar sprays of certain fungicides plant extract and bio-agents. Per cent disease intensity on leaves at 75 DAS, per cent Alternaria pod blight at 90 DAS, test weight (g/1000 seeds) and yield (q/ha) were recorded. Results revealed that foliar spray of mancozeb at 75 DAS recorded lowest per cent disease intensity on leaves (36.76) and pods (20.53) as compared to control (61.03 and 37.9, respectively). The same treated recorded maximum plant height at 60 DAS and 90 DAS (106.66 cm and 162.6 cm, respectively). Maximum test weight of 1000 seeds and yield q/ha were also in the same treatment (5.04g and 13.38q/ha., respectively) as compared to the control (4.11g and 9.04 q/ha., respectively). Results showed that the foliar spray of mancozeb @ 2.5g/l significantly reduced Alternaria blight, increased yield and was the most effective treatment, followed by garlic bulb extract @ 15% (w/v), neem leaf extract@ 15% (w/v), Trichoderma harzianum@ 10g/l, carbendazim 50 WP @ 2g/l and Pseudomonas fluorescens @ 10g/l. However, the treatments viz. garlic bulb extract, neem leaf extract were at par with the mancozeb treatment in reducing the disease intensity and increasing the yield (q/ha). In future these botanicals can be taken up to minimize the losses caused by this disease.


Keywords: Alternaria blight, Bio agents, Fungicides, Garlic bulb extract, Indian mustard, Plant height, Test weight
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How to cite this article:

Kuldeep Singh, Abhilasha A. Lal, Dinesh Kumar and Neeraj Kumar Meena. 2017. Evaluation of Selected Bio Agents, Plant Extracts and Fungicides for the Management of Alternaria Leaf Blight of Indian MustardInt.J.Curr.Microbiol.App.Sci. 6(4): 26-31. doi: https://doi.org/10.20546/ijcmas.2017.604.004