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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here
ICV 2022: 95.28
Index Copernicus ICI Journals Master List 2022 - IJCMAS--ICV 2022: 95.28
For more details click here
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Original Research Articles                      Volume : 7, Issue:1, January, 2018
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
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Int.J.Curr.Microbiol.App.Sci.2018.7(1): 2551-2557
DOI: https://doi.org/10.20546/ijcmas.2018.701.307


In Vitro Evaluation of Fungicides against Alternaria macrospora Causing Leaf Spot in Cotton
Mohan Venkata Siva Prasad1, S. L. Bhattiprolu2*,Prasanna Kumari1 and P. Anil Kumar1
1Department of Plant Pathology, Bapatla – 522 101, Andhra Pradesh, India
2Regional Agricultural Research Station, Lam, Guntur – 522 034, Andhra Pradesh, India
*Corresponding author
Abstract:

Eleven fungicides viz., thiram, captan, copper oxychloride, mancozeb, chlorothalonil, carbendazim, hexaconazole, propiconazole, combination products of carbendazim + mancozeb, captan + hexaconazole and azoxystrobin (each at recommended dose, 500 ppm below their recommended dose and 500 ppm above their recommended dose) were evaluated in vitro against Alternaria macrospora causing leaf spot of cotton. All the treatments significantly inhibited mycelial growth of Alternaria macrospora over untreated control. Among different fungicides, mancozeb, carbendazim, hexaconazole, propiconazole and carbendazim + mancozeb at all the test doses completely inhibited (100%) the growth of A. macrospora followed by captan + hexaconazole (89.74%), thiram and captan (78.89%) and azoxystrobin showed least inhibition (56.81%) compared to untreated control.


Keywords: Alternaria macrospora, Cotton leaf spot, Fungicides

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How to cite this article:

Mohan Venkata Siva Prasad, B., S.L. Bhattiprolu, V. Prasanna Kumari and Anil Kumar, P. 2018. In Vitro Evaluation of Fungicides against Alternaria macrospora Causing Leaf Spot in Cotton.Int.J.Curr.Microbiol.App.Sci. 7(1): 2551-2557. doi: https://doi.org/10.20546/ijcmas.2018.701.307
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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