Physiological Performance of Papaya Cultivars under Abiotic Stress ...

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M. Kavino, N. Kumar and. K. Soorianathasundaram. Horticultural College and. Research Institute. Tamil Nadu Agricultural University. Coimbatore - 641 003.
Physiological Performance of Papaya Cultivars under Abiotic Stress Conditions P. Jeyakumar Agricultural College and Research Institute Tamil Nadu Agricultural University Killikulam, Vallanadu - 628 252 Tamil Nadu India

M. Kavino, N. Kumar and K. Soorianathasundaram Horticultural College and Research Institute Tamil Nadu Agricultural University Coimbatore - 641 003 India

Keywords: Papaya, abiotic stress, gaseous exchange, chlorophyll fluorescence Abstract The wider adaptability of papaya to tropical and subtropical environments has bestowed much significance to its cultivation in Indian subcontinent. However, the abiotic stresses particularly, higher ambient temperature (>35°C), photosynthetic photon flux density (>1650 μmolm-2s-1) and water deficit (