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Selection of Novel Cowpea Genotypes Derived through Gamma Irradiation

Overview of attention for article published in Frontiers in Plant Science, March 2016
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Title
Selection of Novel Cowpea Genotypes Derived through Gamma Irradiation
Published in
Frontiers in Plant Science, March 2016
DOI 10.3389/fpls.2016.00262
Pubmed ID
Authors

Lydia N. Horn, Habteab M. Ghebrehiwot, Hussein A. Shimelis

Abstract

Cowpea (Vigna unguiculata [L.] Walp.) yields are considerably low in Namibia due to lack of improved varieties and biotic and abiotic stresses, notably, recurrent drought. Thus, genetic improvement in cowpea aims to develop cultivars with improved grain yield and tolerance to abiotic and biotic stress factors. The objective of this study was to identify agronomically desirable cowpea genotypes after mutagenesis using gamma irradiation. Seeds of three traditional cowpea varieties widely grown in Namibia including Nakare (IT81D-985), Shindimba (IT89KD-245-1), and Bira (IT87D-453-2) were gamma irradiated with varied doses and desirable mutants were selected from M2 through M6 generations. Substantial genetic variability was detected among cowpea genotypes after mutagenesis across generations including in flowering ability, maturity, flower and seed colors and grain yields. Ten phenotypically and agronomically stable novel mutants were isolated at the M6 each from the genetic background of the above three varieties. The selected promising mutants' lines are recommended for adaptability and stability tests across representative agro-ecologies for large-scale production or breeding in Namibia or similar environments. The novel cowpea genotypes selected through the study are valuable genetic resources for genetic enhancement and breeding.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 86 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Ghana 1 1%
Unknown 85 99%

Demographic breakdown

Readers by professional status Count As %
Student > Master 16 19%
Researcher 12 14%
Student > Ph. D. Student 11 13%
Lecturer 6 7%
Student > Bachelor 3 3%
Other 12 14%
Unknown 26 30%
Readers by discipline Count As %
Agricultural and Biological Sciences 46 53%
Biochemistry, Genetics and Molecular Biology 4 5%
Arts and Humanities 2 2%
Nursing and Health Professions 1 1%
Environmental Science 1 1%
Other 2 2%
Unknown 30 35%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 10 March 2016.
All research outputs
#20,313,158
of 22,854,458 outputs
Outputs from Frontiers in Plant Science
#16,105
of 20,210 outputs
Outputs of similar age
#253,437
of 300,113 outputs
Outputs of similar age from Frontiers in Plant Science
#361
of 495 outputs
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We're also able to compare this research output to 495 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.