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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 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(9): 1874-1882
DOI: https://doi.org/10.20546/ijcmas.2017.609.231


Bioefficacy of Ametoctradin and Dimethmorph against Downy Mildew Disease of Cucumber
M.R. Ravikumar* and Vithal Navi
Department of plant Pathology, College of Agriculture, Hanumanamatti, Taluk, Ranebennur District, Haveri, Karnataka, India
*Corresponding author
Abstract:

Downy mildew disease (DMD) of cucumber is destructive in nature and reduces fruit yield. Fungicides were used to control DMD but still DMD occurs. Hence, for the good alternative fungicide to control DMD, field experiment on efficacy of ametoctradin + dimethmorph against DMD was conducted in rabi and kharif season. There were 8 treatments with seven fungicides and control. Observations on per cent disease index (PDI), fruit yield and phytotoxicity of fungicides on cucumber were recorded. In rabi season, ametoctradin 300g/l + dimethomorph 225 g/l SC with 525g.a.i reduced PDI maximally (14.74 %) followed by zampro 525 SC (15.12%). In kharif season, ametoctradin 300g/l + dimethomorph 225 g/l SC with 525g.a.i reduced PDI maximally (13.63%) followed by zampro 525 SC (14.09%). In rabi and kharif season, ametoctradin 300g/1 + dimethomorph 225 g/1 SC with 525g.a.i treated plants produced significantly higher yield of cucumber fruits (23.33t/ha, 24.23t/ha) followed by zampro 525 SC (22.92t/ha, 23.00t/ha) over other fungicides. Ametoctradin 300 g/l + dimethomorph 225 g/l SC @ 1000 ml/ha and @ 2000 ml/ha were not toxic to cucumber plant in rabi and kharif season. The results concluded that use of ametoctradin 300g/l + dimethomorph 225 g/l SC with 525g.a.i resulted in reduced PDI and improved yield.


Keywords: Fungicide, Downy mildew disease, Percent disease index, Ametoctradin, Dimethomorph, Zampro.
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How to cite this article:

Ravikumar, M.R. and Vithal Navi. 2017. Bioefficacy of Ametoctradin and Dimethmorph against Downy Mildew Disease of Cucumber.Int.J.Curr.Microbiol.App.Sci. 6(9): 1874-1882. doi: https://doi.org/10.20546/ijcmas.2017.609.231