International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 10, Issue:5, May, 2021

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2021.10(5): 86-94

In vitro Evolution of Different New Fungicides against the Purple Blotch of Onion Alternaria porri
P. P. Khandagale1*, N. S. Ugle2, B. S. Arote3 and A. M. Bhosale4
1Agricultural Research Station, Niphad, Dist.-Nasik, M.S., India
2Department of Agronomy, AICRP on I.F.S., M.P.K.V., Rahuri, Dist.-Ahemadnagar,M.S., India
3R.B.N.B., Senior college, Shrirampur, Dist.-Ahemadnagar, M.S., India
4Department of Botany and Biotechnology, P.V.P. College, Loni, Tal. Rahata, Dist.-Ahemadnagar, M.S., India
*Corresponding author

Onion is the one of the most important and oldest vegetables, culinary commodities grown in India for more than 5000 years ago. They can be eaten raw, cooked, fried, dried or roasted. No Indian food is complete without onion, although a little percentage of people does not eat these on religious grounds. Onion (Allium cepa L.) rightly called as “queen of kitchen”. Purple blotch is one of the major foliar diseases having more than 90 % loss in yield. Ten different fungicides were tested in vitro at different concentration against the pathogen which was isolated from diseased onion leaf. Out of which, kavach (Cholorothionil) at 0.5% concentration with 67.70% inhibition, Dithan M 45 @0.25% con. shows 77.35% inhibition of pathogen, biltox (Copper Oxy Chloride) at 0.1% concentration showing inhibition of pathogen as 86.47%. While other concentration as 0.2%(90.82%), 0.3%(92.00%), 0.4%(92.70%) and 0.5% (93.41%). Recommended that Kavach and Dithan M-45 was use at higher concentration to manage the pathogen. In contrast to that the systemic fungicides like Score maximum inhibition were found @ 0.1% concentration as 91.52%. Nativo@0.1%concentration having inhibition as 98.52%. In Signet at 0.1% concentration as 99.11%. In opera at 0.1% concentration as 99.11%inhibition. Amister top at 0.1% concentration as 97.35% inhibition of pathogen. Tilt(Propiconazole 25Ec) fungicides, Where maximum inhibition were found at 0.1% concentration as 98.52%.

Keywords: Onion purple blotch, fungicides, different concentrations, Alternaria porri

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How to cite this article:

Khandagale, P. P., N. S. Ugle, B. S. Arote and Bhosale, A. M. 2021. In vitro Evolution of Different New Fungicides against the Purple Blotch of Onion Alternaria porri.Int.J.Curr.Microbiol.App.Sci. 10(5): 86-94. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.