Journal of Plant Disease Sciences

Damping-off of tobacco caused by Pythium aphanidennatum is a dreadful nursery disease in middle Gujarat conditions resulting in huge loss in transplantable seedlings. Among the various fungicides Ridomil MZ 72 WP at 100, 200 and 300 ig ml⁻¹, fenamidone 10% + mancozeb 50% (Sectin 60 WG) at 200, 300 and 400 ig ml⁻¹ and copper oxychloride at 2000, 3000 and 4000 ig ml⁻¹ concentrations and the insecticides methyl parathion at 500. 1000 and 1500 il ml⁻¹, carbaryl at 1000, 2000 and 3000 ig ml^−l and the herbicides viz., alachlor at 1000, 2000 and 3000 it ml⁻¹, pendimethalin at 500, 1000 and 2000 il ml⁻¹ were fouud effective and significantly superior in inhibiting mycelial growth as well as dry mycelial weight of P. aphanidennatum.