1Agricultural College, Aswaraopet, Khammam District, Andhra Pradesh, India.
Department of Plant Pathology, College of Agriculture, Acharya N. G. Ranga Agricultural University, Rajendranagar, Hyderabad-500030, Andhra Pradesh, India.
A detailed study on the induction of resistance against Alternaria helianthi (Hansf.) et Nish was carried out during tht present investigation. Seed treatment with inducers like salicylic acid and Bion induced the systemic resistance in sunflower. Efficacy of Bion was found superior to salicylic acid in the induction of resistance.
Salicylic acid, Bion, Alternaria helianthi, sunflower