Genomics-assisted breeding for boosting crop improvement in pigeonpea (Cajanus cajan)

Frontiers in Plant Science
Lekha PazhamalaRajeev K Varshney

Abstract

Pigeonpea is an important pulse crop grown predominantly in the tropical and sub-tropical regions of the world. Although pigeonpea growing area has considerably increased, yield has remained stagnant for the last six decades mainly due to the exposure of the crop to various biotic and abiotic constraints. In addition, low level of genetic variability and limited genomic resources have been serious impediments to pigeonpea crop improvement through modern breeding approaches. In recent years, however, due to the availability of next generation sequencing and high-throughput genotyping technologies, the scenario has changed tremendously. The reduced sequencing costs resulting in the decoding of the pigeonpea genome has led to the development of various genomic resources including molecular markers, transcript sequences and comprehensive genetic maps. Mapping of some important traits including resistance to Fusarium wilt and sterility mosaic disease, fertility restoration, determinacy with other agronomically important traits have paved the way for applying genomics-assisted breeding (GAB) through marker assisted selection as well as genomic selection (GS). This would accelerate the development and improvement of both varieties and...Continue Reading

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Citations

Oct 21, 2015·Frontiers in Plant Science·Rachit K SaxenaRajeev K Varshney
Feb 7, 2017·International Journal of Molecular Sciences·Nacira MuñozHon-Ming Lam
Oct 21, 2018·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Tinashe ChiurugwiLee T Hickey
Jun 8, 2018·Breeding Science·Kul Bhushan SaxenaRajeev K Varshney
Jul 18, 2017·Frontiers in Plant Science·Komivi DossaNdiaga Cisse
Aug 17, 2019·Frontiers in Genetics·Marcus O OlatoyePeter O Aikpokpodion
May 24, 2017·Journal of Agricultural and Food Chemistry·Hari B KrishnanOmar Darwish

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Methods Mentioned

BETA
dissections
genotyping
two-line hybrid

Software Mentioned

ICRISAT
MAS

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