Towards marker‐assisted selection in pulses: a review

Abstract

Pulses are important sources of proteins in vegetarian diet. However, genetic improvement in production and productivity of pulse crops has been very slow owing to several constraints. The present view of researchers is that the effectiveness and efficiency of conventional breeding can be significantly improved by using molecular markers. Nowadays, molecular markers are routinely utilized worldwide in all major crops as a component of breeding. The pace of development of molecular markers and other genomic sources has been accelerated in chickpea, pigeon pea and some other pulses, and marker-trait associations have been established for a number of important agronomic traits. The efforts are underway to use high-throughput genotyping platforms besides developing more genomic resources in other pulses. So far, progress in the use of marker-assisted selection as a part of pulse breeding programmes has been very slow and limited to few pulse crops such as chickpea and common bean. In this article, we have reviewed the progress made, limitations encountered and future possibilities for the application of marker-assisted selection in the genetic improvement of pulse crops.

Genetic Variability of Pigeonpea (Cajanus cajan (L.) Millsp.) for Water Logging and Salinity Tolerance under in vitro and in vivo Conditions

“…Seed germination rate has been used as phenotypic marker for selection of salinity tolerant pigeonpea cultivars [35] where they observed genotypic variability to a greater extent under salt stress conditions. Earlier in chickpea, the parameters like germination percentage, radicle and plumule length and plant survival at maturity have been found effective in differentiating tolerant and sensitive genotypes under saline conditions [36].…”

Development of new gene-specific markers associated with salt tolerance for mungbean (Vigna radiata L. Wilczek)

“…Identification of DNA markers linked to salt tolerance can facilitate marker-assisted selection. A few PCR-based DNA markers, including random-amplified polymorphic DNA (RAPD), sequence-tagged microsatellite site (STMS), single nucleotide polymorphism (SNP), and simple sequence repeat (SSR) have been developed in mungbean (Kumar et al, 2011;Van et al, 2013). Gupta & Gopalakrishna (2013) also reviewed genetic linkage maps, comparative genome mapping, and gene/quantitative trait loci (QTLs) mapping for agronomically important traits of the genus Vigna.…”

Identificación de fuentes de resistencia a pudriciones de la raíz en germoplasma de chile serrano (Capsicum annuum L.)

“…es una de las hortalizas más importantes alrededor del mundo. La pungencia y el color son los atributos más importantes de este cultivo utilizado ampliamente en los productos alimenticios y en diversas aplicaciones farmacológicas (Kumar et al, 2011 Las enfermedades causadas por hongos, bacterias y virus son el mayor problema en la producción del chile (Sandoval, 1993). Dentro de las enfermedades causadas por hongos se encuentra la pudrición de la raíz, también conocida como marchitez o secadera.…”

“…es una de las hortalizas más importantes alrededor del mundo. La pungencia y el color son los atributos más importantes de este cultivo utilizado ampliamente en los productos alimenticios y en diversas aplicaciones farmacológicas (Kumar et al, 2011). El género Capsicum incluye 30 especies, cinco de las cuales son domesticadas: C. annuum, C. frutescens, C. chinense, C. pubescens y C. baccatum.…”

“…is one of the most important vegetable worldwide. Pungency and color are the most important attributes of this crop widely used in foodstuffs and in different pharmacological applications (Kumar et al, 2011). Capsicum genus includes 30 species, of which five are domesticated: C. annuum, C. frutescens, C. chinense, C. pubescens and C. baccatum.…”