Journal article
Analyzing the genetic relatedness of pigeonpea varieties released over last 58 years in India
Indian Journal of Genetics and Plant Breeding, Vol.80(1), pp.70-76
2020
Abstract
The genetic base of 150 pigeonpea varieties released in India during1960 to 2018 was examined. Of these, 89, 57, three, and one variety were developed by pedigree selection, pureline selection, mutation and population improvement, respectively. Examination of pedigree records of 89 pigeonpea varieties developed through pedigree breeding method between 1971 and 2018 traced back to 113 ancestors. The highest mean genetic contribution was recorded for the genotype T 190 (0.051) accompanied by UPAS 120 (0.049) and ICP 8863 (0.043). The ancestor T 190 appeared with highest frequency of 21, directly as one of the parent (male/female) in four varieties and indirectly in the development of 17 varieties. Similarly, the ancestors UPAS 120 and ICP 8863 were more frequently used (in nine varieties) as direct parents followed by T 21 and C 11 (in five varieties). The variety PRG 176 involved the highest number (9) of ancestors during the course of its development followed by the variety VBN (Rg) 3 with eight ancestors. Results indicated that 51.69% (46 of the 89 varieties) of released varieties were developed through bi-parental crossing whereas 48.31% involved multiple parents. The frequent use of a limited number of ancestors has caused the narrow genetic base of released pigeonpea varieties. We recommend large-scale deployment of novel germplasm resources for generating broad-base breeding populations. This will help to obtain improved pigeonpea cultivars with high grain yield, biotic tolerance and climate adaptation.
Details
- Title
- Analyzing the genetic relatedness of pigeonpea varieties released over last 58 years in India
- Authors/Creators
- S.J. Satheesh Naik (Author/Creator)I.P. Singh (Author/Creator) - Indian Institute of Pulses ResearchA. Bohra (Author/Creator) - Indian Institute of Pulses ResearchF. Singh (Author/Creator) - Indian Institute of Pulses ResearchD. Datta (Author/Creator) - Indian Institute of Pulses ResearchR.K. Mishra (Author/Creator) - Indian Institute of Pulses ResearchS. Tyagi (Author/Creator) - Indian Institute of Pulses ResearchA.K. Maurya (Author/Creator) - Indian Institute of Pulses ResearchN.P. Singh (Author/Creator) - Indian Institute of Pulses Research
- Publication Details
- Indian Journal of Genetics and Plant Breeding, Vol.80(1), pp.70-76
- Publisher
- Indian Society of Genetics & Plant Breeding
- Identifiers
- 991005543733607891
- Copyright
- © 2021 Indian Journal of Genetics and Plant Breeding
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.96 QTL
- Web Of Science research areas
- Genetics & Heredity
- Plant Sciences
- ESI research areas
- Agricultural Sciences