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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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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 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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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(7): 1261-1264
DOI: https://doi.org/10.20546/ijcmas.2017.607.153


Management of Sunflower Powdery Mildew Using Fungicide
P. Madhusudhan1*, Y. Narasimhudu2, K. Ashok Kumar3, S. Neelima4 and A.S.R. Sarma5
1Agricultural Research Station, Acharya N.G. Ranga Agricultural University (ANGRAU), Nellore -524 003, India
2Krishi Vigyan Kendra, ANGRAU, Banavasi -518 360, India
3College of Agricultural Engineering, ANGRAU, Madakasira-515 301, India
4All India Coordinated Research Project on Sunflower,
5All India Coordinated Research Project on Cotton, Regional Agricultural Research Station, ANGRAU, Nandyal-518502, India
*Corresponding author
Abstract:

Powdery mildew caused by Golovinomyces cichoracearum (DC) V.P Heluta Var. cichoracearum is one of the important diseases of sunflower causing yield losses to a considerable extent. Seven fungicides: Wettable sulphur 80wp@0.2%, triadimefon 25wp@0.1%, triadimorph 80EC@0.05%, difenconazole 25EC@0.05%, propiconazole 25EC@0.1%, carbendazim 50wp @0.1% and benomyl 50wp@0.1% were evaluated in Randomized Block design under field conditions. All the fungicides were sprayed twice with fifteen days interval against the disease. The experiment conducted for three consecutive years:2009-10 to 2011-12.Pooled analysis data revealed that among the fungicides tested propiconazole 25EC@0.1% recorded least per cent disease index (17.3%), highest yield (1134kg/ha) and net returns. It is at par with triadimefon 25wp @0.1% with regards to per cent disease index (21.3 %), but not with yield (1074 kg/ha). In control highest per cent disease index (79.6%) and lowest yield (763kg/ha) were recorded. The per cent disease index ranged from 23.2 to35.3% in rest of the treatments. From the experimental results obtained, Propiconazole 25EC@0.1% has been recommended to the farming communities for management of the disease.


Keywords: Fungicides, Powdery mildew and Sunflower.
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How to cite this article:

Madhusudhan, P., Y. Narasimhudu, K. Ashok Kumar, S. Neelima and Sarma, A.S.R. 2017. Management of Sunflower Powdery Mildew Using Fungicide.Int.J.Curr.Microbiol.App.Sci. 6(7): 1261-1264. doi: https://doi.org/10.20546/ijcmas.2017.607.153