1Department of Entomology, B. A. College of Agriculture Anand Agricultural University, Anand, 388110, Gujarat
Department of Entomology, C. P. College of Agriculture S. D. Agricultural University, Sardarkrushinagar, 385506, Gujarat
*Email: debsushma@gmail.com
Online published on 5 February, 2019.
Tomato cultivar Anand Tomato 3 (AT 3) was found resistant to Helicoverpa armigera (Hubner) based on egg (0.26/3 twigs) and larval (0.48/3 twigs) incidence as well as fruit damage (7.07%) and also yielded higher (255.06 q/ha). Among the various morphological characters, number of branches/plant (r= 0.961**, 0.961** and 0.979**) as well as number of trichomes/cm2 on leaf (0.778**, 0.721** and 0.768**) and calyx (0.694*, 0.611* and 0.689*) showed significant positive relationships, whereas number of fruits/plant (−0.729**, -0.708* and-0.752**) showed significant negative relationship with the incidence in terms of eggs, larvae and fruit damage, respectively. Similarly, significant positive association was observed between number of trichomes/cm2 of corolla (0.594*) and fruit damage.
Helicoverpa armigera, tomato, genotypes, incidence, egg, larva, fruit damage, resistance traits, branches, trichomes on calyx, leaf, number of fruits
