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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:2, February, 2018

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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(2): 3689-3699
DOI: https://doi.org/10.20546/ijcmas.2018.702.438


Effect of Mancozeb on Disease Severity, Infection Rate and Seed Weight of Mustard [Brassica juncea (L.) Czen & Coss.] Caused by Alternaria spp.
Manoj Kumar Pandey1, Narender Kumar2, Hemant Kumar Singh1 and Surender Kumar2*
1Department of Plant Pathology, N. D. University of Agriculture and Technology, Faizabad-224229, U.P., India 2C. S. Azad University of Agriculture and Technology, Kanpur-208002, India
*Corresponding author
Abstract:

In case of fungicidal trails all the treatments reduced the disease severity in comparison to unsprayed plots. The severity of disease after eight spray of Mancozeb @ 0.2 % was found minimum disease severity (5.0 %) followed by seven spray (6.0 %) and six spray (10.33 %), respectively. Maximum seed yield of 2000kg/ha was recorded with eight spray of Mancozeb @ 0.2% followed by seven spray (1922.22 kg/ha), and six spray (1902.77 kg/ha), respectively. Similar trend was recorded in case of test weight also. All the treatments avoided test weight loss of 5.70 to 21.81 %. Maximum being with eight and seven spray of Mancozeb @ 0.2 % (21.81 %) followed by six spray (21.67 %) and five spray (20.81 %).Maximum yield loss of 48.61 per cent was also avoided with eight spray of Mancozeb @ 0.2 % followed by seven sprays (46.53 %) and five spray (45.94 %).The maximum benefit cost ratio of 1:7.94 and 1:7.18 were obtained with four and three spray of Mancozeb @ 0.2 % followed by five sprays (1:6.82) and two spray (1:6.11).


Keywords: Alternaria blight, Disease severity, Mancozeb, Mustard, Test weight

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How to cite this article:

Manoj Kumar Pandey, Narender Kumar, Hemant Kumar Singh and Surender Kumar. 2018. Effect of Mancozeb on Disease Severity, Infection Rate and Seed Weight of Mustard [Brassica juncea (L.) Czen & Coss.] Caused by Alternaria spp.Int.J.Curr.Microbiol.App.Sci. 7(2): 3689-3699. doi: https://doi.org/10.20546/ijcmas.2018.702.438
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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