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Spotted stem borer, Chilo partellus (Swinhoe), is the most important pest of sorghum in Asia and South and Eastern Africa, and host plant resistance is an important component for controlling this pest under subsistence farming conditions. Therefore, we studied the antibiosis mechanism of resistance in a diverse array of 20 sorghum genotypes at the seedling stage by incorporating the freeze-dried leaf...
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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