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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 For more details click here
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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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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.2018.7(7): 3884-3890
DOI: https://doi.org/10.20546/ijcmas.2018.707.452


Evaluation of New Fungicides Molecules against Leaf Blight of Chrysanthemum caused by Alternaria spp.
U. Divyajyothi, Suresh D. Ekabote, H. Narayanswamy, P. Narayanaswamy, H. Ravindra and K.M. Satish
1Department of Plant Biotechnology
2College of Agriculture, Shivamogga University of Agricultural and Horticultural Sciences, Shivamogga -580 005, India
3Department of Crop Protection, College of Horticulture, Hiriyur, University of Agricultural and Horticultural Sciences, Shivamogga -580 005, India
4Department of Plant Pathology, 5UAHS, 6AICRP (N), Shivamogga, India
*Corresponding author
Abstract:

Alternaria leaf blight is one of the most important foliar disease of chrysanthemum. It has become major constraint in chrysanthemum growing areas. The fungicides were evaluated under field conditions at College of Horticulture, Hiriyur, during kharif 2016 and 2017. Five sprays were given at 60, 75, 90, 105 and 120 DAS. Two years pooled results revealed that tebuconazole (0.1%) significantly higher per cent disease control (PDC) of 45.20 which was followed by tebuconazole+ trifloxystrobin (43.07) and propiconazole (40.67). Similarly, the maximum yield of 8.78 t/ha was recorded in tebuconazole (0.1%) which was followed by tebuconazole+ trifloxystrobin (8.22 t/ha) and propiconazole (8.11 t/ha) respectively. However, tebuconazole recorded highest benefit:cost of 4.13 followed by hexaconazole 3.92 remained as next best fungicide.


Keywords: Chrysanthemum, Alternaria, Leaf blight, Fungicides
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How to cite this article:

Divyajyothi, U., Suresh D. Ekabote, H. Narayanswamy, P. Narayanaswamy, H. Ravindra and Satish, K.M. 2018. Evaluation of New Fungicides Molecules against Leaf Blight of Chrysanthemum caused by Alternaria spp..Int.J.Curr.Microbiol.App.Sci. 7(7): 3884-3890. doi: https://doi.org/10.20546/ijcmas.2018.707.452