Prevalence of stemphylium blight disease

Onion (Allium cepa L.) is one of the most important commercial vegetable crop grown in India. In Karnataka, Northeastern Dry Zone is the potential area for the production of onion. The major constraints in the production of onion are diseases caused by fungi. The present investigation was undertaken to know the disease severity in Northern parts of Karnataka. A roving survey was conducted to know the percent disease severity (PDI) of purple blotch, stemphylium blight and basal rot of onion in districts of Northern parts of Karnataka during kharif 2014-15.

5p caygaocaolon8 07-11-2020 9 2   Download

The present investigation was conducted during the month of August, September and October on kharif season onion in two years i.e. 2018-2019 in the 24 villages of six districts in Bihar.

9p nguaconbaynhay7 15-08-2020 10 1   Download

Survey conducted during the year 2016 and 2017 at three stage of crop growth of onion in four districts of the Kashmir valley revealed the prevalence of disease in all onion growing areas of the valley during the month of May and June, while during the month of April prevalence of disease was recorded at only few locations, while as rest of the locations were disease free with overall incidence of 1.70, 28.02 and 60.33 and intensity of 0.30, 5.96 and 36.44 per cent, during the month of April, May and June, respectively.

7p angicungduoc5 12-06-2020 13 2   Download