Genetic Variability for Yield, Physiological and Quality Traits in Novel Super-Early Pigeonpea (Cajanus cajan (L.) Millsp.)

Shruthi, H B and Hingane, A J and Sekhar, M R and Kumar, C V S and Srivarsha, J and Bhosle, T M and Prashanthi, L and Reddy, B V B and Sudhakar, P and Rathore, A and Anil Kumar, V (2019) Genetic Variability for Yield, Physiological and Quality Traits in Novel Super-Early Pigeonpea (Cajanus cajan (L.) Millsp.). Indian Journal of Pure & Applied Biosciences, 7 (6). pp. 378-385. ISSN 2582-2845

PDF - Published Version Download (549kB)

Abstract

Super-early pigeonpea are novel genotypes that are reported to be photoperiod insensitive making it possible to grow it in non-traditional regions. Estimation of genetic parameters would be useful in developing appropriate selection and breeding strategies. A study was conducted to evaluate 37 super-early pigeonpea genotypes to access the magnitude of variability and to study heritable component of variation present in the yield, physiological and quality traits. The results revealed that traits leaf area duration between 60 DAS & maturity followed by leaf area & leaf area index at maturity, net assimilation between 60 DAS & maturity, leaf area index & leaf area at 60 DAS, leaf area duration between 60 DAS & maturity and plant height had high had higher PCV and GCV values. In general, phenotypic coefficients of variation (PCV) estimates were higher than genotypic coefficients of variation (GCV) estimates for all the characters under study, but the difference was relatively small indicating that these characters were less influenced by the environment and selection to improve those traits might be effective. High heritability combined with high genetic advance as a percent of mean was noted for all the traits except protein content conveying the governance of additive gene on trait expression. Anticipating these traits as selection index reaps competent improvement in yield, physiological and quality traits in early maturing pigeonpea.

Item Type:	Article
Divisions:	Research Program : Asia
CRP:	UNSPECIFIED
Uncontrolled Keywords:	Super-early pigeonpea, Variability, Heritability, Genetic advance
Subjects:	Others > Plant Breeding Others > Crop Physiology Mandate crops > Pigeonpea Others > Genetics and Genomics
Depositing User:	Mr Arun S
Date Deposited:	08 Apr 2020 09:08
Last Modified:	08 Apr 2020 09:08
URI:	http://oar.icrisat.org/id/eprint/11464
Official URL:	https://doi.org/10.18782/2582-2845.7941
Projects:	UNSPECIFIED
Funders:	UNSPECIFIED
Acknowledgement:	Heartfully thank the INSPIRE programme, Department of Science and Technology, Government of India, for funding my Ph.D. research. Jyothi and Rajesh, field technicians, Pigeonpea Breeding, ICRISAT for helping in field operations.
Links:

View Statistics

Actions (login required)

View Item