Current status of stripe disease of barley caused (Dreshlera graminia) in Rajasthan and its management

Abstract

Barley (Hordeum vulgare L.) is an ancient cereal grain used as feed for animals, malt for industrial uses and for human food. Barley is subject to various fungal, bacterial, viral and noninfectious diseases. Among the diseases of barley, the stripe disease caused by Drechslera graminea is most destructive seed borne disease. The present investigation was carried out for knowing the severity of the disease in major barley growing areas of Rajasthan during Rabi 2016-17 and 2017-18. The maximum disease incidence (36.28 and 38.07 per cent) was observed in Jaipur and lowest (9.25 and 7.77 per cent) in Bharatpur district in both years. The conidia produce on infected leaves spread through wind and cause inflorescences infection of healthy barley plants. The contaminated seeds in inflorescences are responsible for disease development in next generation. Therefore, seed treatment + foliar spray was applied for avoid the infection of Drechslera graminea. The seed treatment with carboxin + thiram (vitavax power) 1 gm/kg in combination with foliar spray of tebuconazole 0.1% and propiconazole 0.1% found best for stripe disease management while only seed treatment showed at par result with both treatments during both years.