Effect of wind direction on area, per cent incidence and direction of spread of yellow rust (Puccinia striiformis)

*Department of Plant Pathology, Punjab Agricultural University, Ludhiana-141 004

Department of Agronomy, Agromet & Forestry, Punjab Agricultural University, Ludhiana-141 004

National Symposium on Role of Disease Free Seed in Sustainable Agriculture held at Department of Plant Pathology, Punjab Agricultural University, Ludhiana -141004 on July 13, 2007