Division of Nematology, Indian Agricultural Research Institute, New Delhi-110 012.
Salicylic acid is a natural phenolic compound present in many plants and is involved in induction of pathogenesis related proteins in various crops including tomato. Foliar application of salicylic acid on tomato cv. Pusa Ruby, @ 25 and 50 μg/ml affected the development of the root-knot nematode, Meloidogyne incognita The development of juveniles into adult females was considerably delayed and population of males increased indicating sex reversal, on application of 50 μg/ml of salicylic acid. Reduced root galling (50% or lower) was observed in the treated tomato plants over control.
Meloidogyne incognita,resistance, salicylic acid