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Nine accessions of wild species and six cultivated tomato genotypes were evaluated for their resistance to Orobanche aegyptiaca. They differed in the number of tubercles fixed on their roots, emerged shoots of broomrape and broomrape dry weight. The wild species L. pennellii LA 716, L. hirsutum PI 247087, L. pimpinellifolium hirsute and L. chilense LA 1969 were shown to be the most resistant to O...
Three tomato accessions (Lycopersicon spp.) selected from preliminary field and glasshouse screening of 321 accessions were studied for factors of resistance against the fruit worm, Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) in comparison with a susceptible check at Annamalainagar, Tamilnadu, India. In the field screening, the larval population on foliage and fruit damage was least in...
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