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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 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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.2018.7(1): 439-446
DOI: https://doi.org/10.20546/ijcmas.2018.701.051


Evaluation of Pre-Mix Fungicide, Fluxapyroxad and Pyraclostrobin 500 SC against Powdery Mildew (Oidium mangiferae) Disease of Mango
M.R. Ravikumar1*, Vithal Navi2 and Yashaswini Sharma3
1Department of Plant Pathology
3Department of Horticulture, College of Agriculture, Hanumanamatti, Haveri, Karnataka-581 115, India
2Department of Agri. Microbiology, College of Agriculture, Dharwad, Karnataka-581 115, India
*Corresponding author
Abstract:

Mango (Mangifera indica L.) is one of the best fruit in the world market affected powdery mildew disease which infects panicles, fruits and leaves causing up to 90 per cent crop loss. Hence, an investigation was initiated to study the bio-efficacy of different standard and new fungicides against powdery mildew disease. The experiment was conducted at Sirsi, Uttara Kannada District, Karnataka, India during 2012-14. Pre-mixture of Fluxapyroxad 250g/l +Pyraclostrobin 250g/l 500 SC is a new fungicide combination effective against fungi in pome and stone fruits. Eight treatments were imposed viz., Fluxapyroxad 250g/l +Pyraclostrobin 250g/l 500 SC @ 1ml/l, Fluxapyroxad 250g/l +Pyraclostrobin 250g/l @ 1.5 ml/l, Fluxapyroxad 250 g/l +Pyraclostrobin 250g/l @ 2 ml/l, Pyraclostrobin 20 WG @ 5 ml/l, Fluxapyroxad @ 3ml/l, Flusilazole 40 % EC @ 0.75 ml/l, Hexaconazole 5% SC @ 5 ml/l along with one untreated Control. Two sprays were taken up at 20 days interval during flowering stage. Among the different treatments, Fluxapyroxad 250g/l +Pyraclostrobin 250g/l 500 SC @ 2 ml/L of water recorded significantly lower per cent disease index of powdery mildew on leaves, inflorescence and fruits (18.00, 16.60 and 17.08, respectively) than control (54.73, 52.80 and 53.33 per cent disease index on leaves, inflorescence and fruits, respectively). The same treatment recorded maximum productivity (30.60 t/ha) as compared to control (15.00 t/ha). There were no visual symptoms of phyto-toxicty noticed in terms of leaf tips and surface injury, wilting, necrosis, epinasty and hyponasty on mango crop by Fluxapyroxad 250g/l +Pyraclostrobin 250g/l 500 SC treatment even at 4ml/l concentration.


Keywords: Mango, Powdery mildew, Fluxapyroxad, Pyraclostrobin, Phyto-toxicity
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How to cite this article:

Ravikumar, M.R., Vithal Navi and Yashaswini Sharma. 2018. Evaluation of Pre-Mix Fungicide, Fluxapyroxad and Pyraclostrobin 500 SC against Powdery Mildew (Oidium mangiferae) Disease of Mango.Int.J.Curr.Microbiol.App.Sci. 7(1): 439-446. doi: https://doi.org/10.20546/ijcmas.2018.701.051