<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The development of a papaya cultivar for unripe or green consumption that has resistance to papaya ringspot virus (PRSV) began in 2004 by crossing red-fleshed ‘Red Krang’ cultivar with yellow-fleshed Sai Nampeung cultivar. Numerous diverse hybrids that were obtained were selected in a recurrent selection until 2010. The ’Yellow Krang’ line was selected because of the early and high yielding, elongated fruit shape, is yellow and crispy flesh when unripe and suitable for consumption as green papaya, and tolerance to PRSV. From 2010 to 2015 the ‘Yellow Krang’ line was refined through pure line selection. It was evaluated in four growing areas in Thailand for 3 years. The field trial showed that ‘Yellow Krang’ can be classified as dwarf, reaching a height of 110-150 cm, early bearing, with mean 105 days to first flower anthesis; an average of 100 flowers and 206 fruits per plant, mean fruit weight 1.2 kg, mean fruit thickness 2.4 cm, mean fruit firmness 7.15 Newtons; high yielding, with mean fresh weight yield of 134.606 kg/hectare; and 24.86% incidence of PRSV.</p></abstract>

The development of a papaya cultivar for unripe or green consumption that has resistance to papaya ringspot virus (PRSV) began in 2004 by crossing red-fleshed ‘Red Krang’ cultivar with yellow-fleshed Sai Nampeung cultivar. Numerous diverse hybrids that were obtained were selected in a recurrent selection until 2010. The ’Yellow Krang’ line was selected because of the early and high yielding, elongated fruit shape, is yellow and crispy flesh when unripe and suitable for consumption as green papaya, and tolerance to PRSV. From 2010 to 2015 the ‘Yellow Krang’ line was refined through pure line selection. It was evaluated in four growing areas in Thailand for 3 years. The field trial showed that ‘Yellow Krang’ can be classified as dwarf, reaching a height of 110-150 cm, early bearing, with mean 105 days to first flower anthesis; an average of 100 flowers and 206 fruits per plant, mean fruit weight 1.2 kg, mean fruit thickness 2.4 cm, mean fruit firmness 7.15 Newtons; high yielding, with mean fresh weight yield of 134.606 kg/hectare; and 24.86% incidence of PRSV.

Yellow Krang – A New Cultivar Of Papaya For Green Consumption With Tolerance To Papaya Ringspot Virus

Rajabhat Maha Sarakham University, Muang Maha Sarakham 44000, Thailand

Journal of Horticultural Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The development of a papaya cultivar for unripe or green consumption that has resistance to papaya ringspot virus (PRSV) began in 2004 by crossing red-fleshed...

Yellow Krang – A New Cultivar Of Papaya For Green Consumption With Tolerance To Papaya Ringspot Virus

Published Online: Dec 30, 2015

Page range: 39 - 48

Received: Aug 01, 2015

Accepted: Nov 01, 2015

DOI: https://doi.org/10.2478/johr-2015-0015

Keywords
conventional breeding, hybridization, pure line selection, selection cycle, field comparative trials, Thailand

© 2015 Rapatsa Janthasri et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Yellow Krang – A New Cultivar Of Papaya For Green Consumption With Tolerance To Papaya Ringspot Virus

Published Online: Dec 30, 2015

Page range: 39 - 48

Received: Aug 01, 2015

Accepted: Nov 01, 2015

DOI: https://doi.org/10.2478/johr-2015-0015

Keywordsconventional breeding, hybridization, pure line selection, selection cycle, field comparative trials, Thailand

© 2015 Rapatsa Janthasri et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
conventional breeding, hybridization, pure line selection, selection cycle, field comparative trials, Thailand