Full Length Research Paper
Abstract
White rust, downy mildew and Alternaria blight caused by Albugo candida (Pers.) KuntzePeronospora parasitica (Pers.) (de Bary) and Alternaria brassicicola (Schw.) Wiltshire respectively are important diseases on Indian mustard causing considerable loss. Maximum temperature positively correlated with disease index of all the three diseases. Maximum temperature from 26-29ºC and average relative humidity of more than 65 per cent favoured the development of all the three disease.
Key words: Disease incidence, maximum, minimum temperature, relative humidity.
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