Opinion and commentary

An IARI team surveyed a total of 24 fields in Sonepat, Panipat, Karnal, Kurukshetra, Ambala and Yamunanagar districts of Haryana. In the fields where the disease was recorded, the infected plants varied from 2 to 10 per cent. In a severely-affected field in Panipat, up to 20 per cent incidence was recorded.