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Updated Mar 19, 2019

Cowpea (Vigna unguiculata) high-density genetic linkage map; worldwide usage.

Part of University of California, Riverside

A high-density genetic linkage map of cowpea.

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Stage 5: Scaling

Focus Areas:

Agriculture

AgricultureSEE LESS

Implemented In:

South Africa, Vietnam, Uganda and 11 MoreSEE ALL

South Africa, Vietnam, Uganda, India, Kenya, Mexico, Mozambique, Nigeria, Senegal, Burkina Faso, Cameroon, China, Ethiopia and GhanaSEE LESS

14
Countries Implemented In
Verified Funding
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Problem

Determination of pedigrees based on genetic composition.

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Solution

It provides a framework upon which to organize marker-trait associations, which are utilized in breeding programs to select parents for crosses, and progeny from crosses.

Target Beneficiaries

Cowpea breeders, cowpea germplasm managers, and basic research scientists who with to pursue the mechanistic basis of marker-trait associations or comparative genetic studies between legumes.

Innovation Description

The cowpea nuclear genome is composed of eleven chromosomes, each carrying thousands of genes within the nucleotide strings that comprise each chromosome. Allelic variants exist within the genes and are the basis of trait variation.These and other variants outside of the genes include millions of nucleotide variations. Using populations of closely related progeny, the recombinational distances and the commercially available genotyping tool that this IL developed, a genetic linkage map containing more than 35,000 positions was developed.

Competitive Advantage

The density of this genetic map is approximately a 30-fold increase in the density of any previously existing cowpea genetic linkage map.

Milestones

Date Unknown
Funds RaisedVERIFIED
TITLEFTFIL for Climate Resilient Cowpea
TYPEGrant
FOCUS AREAS
Agriculture and Seeds & Stock
IMPLEMENTED INGhana, Ethiopia, China and 13 moreSEE ALLGhana, Ethiopia, China, Cameroon, Burkina Faso, Senegal, Portugal, Nigeria, Nepal, Mozambique, Mexico, Kenya, India, Uganda, Vietnam, South AfricaSEE LESS
Date Unknown
New Country Implemented In
Ghana
Date Unknown
New Country Implemented In
Ethiopia
Date Unknown
New Country Implemented In
Uganda
Date Unknown
New Country Implemented In
Vietnam
Date Unknown
New Country Implemented In
South Africa