International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2017, Volume : 5, Issue : 4
First page : (526) Last page : (531)
Article doi: http://dx.doi.org/10.18782/2320-7051.5132
Morphological Markers Related to Sex Expression in Papaya (Carica papaya L.)
Anjali Soni1*, Jai Prakash1, S. K. Singh1, A. K. Goswami1 and Sunita Dhakar2
1Division of Fruits and Horticultural Technology, 2Division of Floriculture and Landscaping
ICAR- Indian Agricultural Research Institute, New Delhi 110 012, India
*Corresponding Author E-mail: anjali00soni@gmail.com
Received: 4.07.2017 | Revised: 12.07.2017 | Accepted: 13.07.2017
ABSTRACT
Papaya is a commercial fruit crop cultivated throughout the tropical and sub-tropical regions of the India, belongs to the family Caricaceae.Being a polygamous plant, it has three types of sex forms, viz. male, female and hermaphrodite. Sex form is one of the most important traits for genetic improvement and production in papaya. This investigation which was carried out at the Division of Fruits and Horticultural Technology, ICAR-Indian Agricultural Research Institute, New Delhi during 2014-2015 to identify the morphological markers associated with sex expression in papaya. The dark brown colour exhibited higher number of male plants among the dioeceious genotypes (Pusa Nanha and P-7-2 x SAM). However black colour seeds were exhibited greater number of the female plants in case of Pusa Nanha and P-7-2 × SAM and the higher number of male plants observed in a range of 3.1 to 3.6 mm thickness of petiole in Pusa Nanha and P-7-2 × SAM. From the present study it is concluded that Among morphological traits, black and brown seed colour was most reliable in predicting female and hermaphrodite plants.
Key words: Papaya, Sex expression, Seed colour, Petiole length, Stem colour.
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782
Cite this article: Soni, A., Prakash, J., Singh, S.K., Goswami, A.K. and Dhakar, S., Morphological Markers Related to Sex Expression in Papaya (Carica papaya L.), Int. J. Pure App. Biosci.5(4): 526-531 (2017). doi: http://dx.doi.org/10.18782/2320-7051.5132
