Ajmal Khan Kassi, Humayun Javed and Tariq Mukhtar, 2019. Relationship of Physico-Morphic Characters of Okra Cultivars with their Resistance to Helicoverpa armigera. Pakistan J. Zool., 51: 835-841. DOI: http://dx.doi.org/10.17582/journal.pjz/2019.51.3.835.841