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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(8): 403-412
DOI: https://doi.org/10.20546/ijcmas.2018.708.046


Efficacy of Plant Extracts and Chemicals against Ascochyta phaseolorum, Causal Agent of Ascochyta Blight of Vigna anguiculata (L.) Walp.
B.K. Namriboi1*, R.K. Tombisana Devi1, Dipali Majumder1, N.S. Azad Thakur1 andHemochandra2
1School of Crop Protection
2School of Social Sciences, College of Post-Graduate Studies, Central Agricultural University (Imphal), Umiam, Meghalaya – 793103, India
*Corresponding author
Abstract:

During survey, cowpea [Vigna anguiculata (L) Walp.] was found severely affected by ascochyta blight and disease was found well distributed in the surveyed areas of Meghalaya. The per cent disease incidence was found maximum in Mawlai (52.34%) under East Khasi Hills followed by RRTC (45.57%) under Ri-Bhoi district. In average, PDI was found highest in Ri-Bhoi district (37.50%) and least in West Khasi Hills district (15.47%). Ascochyta phaseolorum was consistently isolated from symptomatic leaves. Plant extracts and fungicides were evaluated in vitro against the growth of the pathogen.Among the fungicides, propiconazole and carbendazim at 0.1 and mancozeb at 0.2 per cent concentrations gave 100% inhibition of mycelial growth. Among the plant extracts, garlic extract at 5% showed the highest per cent inhibition (86.91±1.07%) of mycelial growth followed by turkey berry at 15% (82.33±0.44%). These could be further evaluated under in vivo condition to confirm its efficacy and could be included as components for integrated disease management for ascochyta blight.


Keywords: Cowpea, Ascochyta blight, Ascochyta phaseolorum, Disease incidence, Per cent inhibition
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How to cite this article:

Namriboi, B.K., R.K. Tombisana Devi, Dipali Majumder, N.S. Azad Thakur and Hemochandra, L. 2018. Efficacy of Plant Extracts and Chemicals against Ascochyta phaseolorum, Causal Agent of Ascochyta Blight of Vigna anguiculata (L.) WalpInt.J.Curr.Microbiol.App.Sci. 7(8): 403-412. doi: https://doi.org/10.20546/ijcmas.2018.708.046