Analysis of Genetic Linkage in the Cowpea Vigna unguiculata
نویسندگان
چکیده
Genetic analysis of 12 lod conditioning morphological characteristics indicated several linkages in cowpea Vigna unguiculata (L.) Walp). Using both backcross and F2 joint segregation data, these 12 lod were assigned to five linkage groups. The lod Pgfor nodal pigmentation, Pf for purple flower, Pc for smooth seed coat, Na for narrow eye, and Br for brown seed coat make up linkage group 1 with the probable order Pg-Na-BrP-cPf The Bpd locus for branching peduncle was linked to Bp for brown dry pod and Dhp for pod dehiscence with the probable order Bpd~Bp-Dhp. The third linkage group consisted of lod Crl for crinkled leaf and Pt for sessile leaf Hastate leaf shape, Ha, and septafoliolate leaf number, Spt, belong to the fourth and fifth linkage groups, respectively.
منابع مشابه
A SNP and SSR Based Genetic Map of Asparagus Bean (Vigna. unguiculata ssp. sesquipedialis) and Comparison with the Broader Species
Asparagus bean (Vigna. unguiculata ssp. sesquipedialis) is a distinctive subspecies of cowpea [Vigna. unguiculata (L.) Walp.] that apparently originated in East Asia and is characterized by extremely long and thin pods and an aggressive climbing growth habit. The crop is widely cultivated throughout Asia for the production of immature pods known as 'long beans' or 'asparagus beans'. While the g...
متن کاملA High Density Genetic Map Derived from RAD Sequencing and Its Application in QTL Analysis of Yield-Related Traits in Vigna unguiculata
Cowpea [Vigna unguiculata (L.) Walp.] is an annual legume of economic importance and widely grown in the semi-arid tropics. However, high-density genetic maps of cowpea are still lacking. Here, we identified 34,868 SNPs (single nucleotide polymorphisms) that were distributed in the cowpea genome based on the RAD sequencing (restriction-site associated DNA sequencing) technique using a populatio...
متن کاملA Review of Molecular Makers Applied in Cowpea (Vigna unguiculata L. Walp.) Breeding
In recent years, with the rapid development of molecular biology, molecular markers have been widely used in genetic breeding of various crops including cowpea. However, molecular researches in cowpea are lack of systematic summary. This review presents an overview of accomplishments on different aspects of molecular markers in cowpea genetic breeding, such as genetic diversity analysis, geneti...
متن کاملConstruction of an SSR and RAD-Marker Based Molecular Linkage Map of Vigna vexillata (L.) A. Rich
Vigna vexillata (L.) A. Rich. (tuber cowpea) is an underutilized crop for consuming its tuber and mature seeds. Wild form of V. vexillata is a pan-tropical perennial herbaceous plant which has been used by local people as a food. Wild V. vexillata has also been considered as useful gene(s) source for V. unguiculata (cowpea), since it was reported to have various resistance gene(s) for insects a...
متن کاملA consensus genetic map of cowpea [Vigna unguiculata (L) Walp.] and synteny based on EST-derived SNPs.
Consensus genetic linkage maps provide a genomic framework for quantitative trait loci identification, map-based cloning, assessment of genetic diversity, association mapping, and applied breeding in marker-assisted selection schemes. Among "orphan crops" with limited genomic resources such as cowpea [Vigna unguiculata (L.) Walp.] (2n = 2x = 22), the use of transcript-derived SNPs in genetic ma...
متن کامل