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Performance and Phytotoxicity assessment of Mancozeb 40% + Azoxystrobin 7% OS against downy mildew of grapes in Maharashtra, India.

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Title Performance and Phytotoxicity assessment of Mancozeb 40% + Azoxystrobin 7% OS against downy mildew of grapes in Maharashtra, India.
Not Available
 
Creator Sumant Hanmant Kabade, Shital Bhairavnath Pawar, Rajul Edoliya and Sujoy Saha
 
Subject Azoxystrobin, bioefficacy, Downy mildew, grapes, Mancozeb, phytotoxicity
 
Description Not Available
Grape (Vitis vinifera) is a commercially important fruit crop of India. Downy mildew (c.o. Plasmopara
viticola) is a devastating fungal disease of grapes causing 60-70% of crop loss thereby altering the
grape economy significantly. Mancozeb, an ethylene-bis-dithiocarbamate fungicide is extensively used
to control a wide variety of plant diseases. Due to its multisite mode of action, mancozeb has not
developed resistance to fungal diseases. Azoxystrobin, a systemic, broad-spectrum, Quinone outside
Inhibitor fungicide exerts its fungicidal activity by inhibiting mitochondrial respiration in fungi. The
combination of fungicide i.e. Mancozeb 40% + Azoxystrobin 7% OS was evaluated for two seasons
under field conditions at Maharashtra. Different concentrations of Mancozeb 40% + Azoxystrobin 7%
OS at viz. 1250, 1500 and 1750 g/ha were compared with its component fungicides Azoxystrobin
23%SC and Mancozeb 75% separately. Pooled data revealed that Mancozeb 40% + Azoxystrobin 7%
OS @ 1750g/ha manifested lowest PDI of 21.94 with a corresponding yield of 24.9 t/ha. As Mancozeb
40% + Azoxystrobin 7% OS @1750 also was at par with dose of @1500g/ha, hence the fungicide@1500-
1750 g/ha may be recommended for the control of downy mildew of grapes. The test fungicide was not
phytotoxic to the grapevines.
Not Available
 
Date 2023-12-13T15:12:51Z
2023-12-13T15:12:51Z
2022-12-26
 
Type Research Paper
 
Identifier Not Available
0971-3719
http://krishi.icar.gov.in/jspui/handle/123456789/80968
 
Language English
 
Relation Not Available;
 
Publisher Not Available