Year: 2024
Type: article
Abstract: Grape is an important fruit crop of India, which belongs to the family Vitaceae.Downy mildew caused by pathogen Plasmopara viticola is a fungal disease which is of global concern.Picarbutrazox 9.53 % w/w (100 SC) was evaluated against downy mildew disease at field conditions for two seasons at two locations viz., Nashik and Sangli districts of Maharashtra in 2017-18 and 2018-19.Based on the favorable weather conditions four foliar sprays (one preventive + three curative) were applied as soon as first symptoms were observed in experimental plot.Picarbutrazox 9.53 % w/w (100 SC) @ 1250 ml/ha was most effective in controlling the disease at both locations.At Sangli, Picarbutrazox 9.53 % w/w (100 SC) @ 1000 and 1250 ml/ha were at par with each other for both the seasons.However in Nashik, Picarbutrazox 9.53% w/w (100 SC) @ 1250 ml/ha was significantly superior over all treatments.Pooled data for both locations showed the same trend according to respective locations.Pooled Percent Disease Index of Picarbutrazox 9.53 % w/w (100 SC) @ 1250 ml/ha on leaves was 9.31 and 7.13 in Nashik and Sangli respectively which was significantly less than rest of the treatments.Picarbutrazox 9.53 % w/w (100 SC) @ 1250 ml/ha showed highest marketable yield i.e. 24.87 and 25.31 t/ha in Nashik and Sangli respectively.The chemical was not phytotoxic at 2500 ml/ha.Hence, Picarbutrazox 9.53 % w/w (100 SC) 1000-1250 ml/ha can be recommended for the control of downy mildew.
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: bronze
OpenAlex ID: W4394980751