ISSN: 2520-4750 (Online), 2521-3040 (Print)

Laboratory screening of cowpea (Vigna unguiculata) genotypes against pulse beetle, Callosobruchus maculatus (F.)

Author (s)

Aaron Chimbelya Siyunda, Natasha Mwila, Mick Mwala, Kalaluka Munyinda, Kelvin Kamfwa, Gilson Chipabika, & Dyness Nshimbi

Abstract

Research studies were conducted to screen 110 cowpea genotypes against Callosobruchus maculatus commonly known as the cowpea weevil, under the no-choice infestation condition. Out of all the genotypes screened, BBBT1-11 outperformed all the genotypes across all parameters investigated. BBBT1-11 recorded 13.01 no. of eggs/100 seeds compared to MS1-8-2-6-9-1 with 128.67 eggs/100 seeds. The adult emergence on BBBT1-11 was at 12.72% compared to the highest LTBT1-5 at 88.11%. The lowest growth index of 0.42 and frass of 0.23g was recorded on BBBT1-11. BBBT1-11 could be further assessed for the possible presence of biochemical substances, which could explain the observed differences among the genotypes in their reaction to C. maculatus. Besides, BBBT1-11 can also be incorporated into the breeding program with the target of breeding cowpea varieties that are tolerant to pest infestation.

Keywords: Callosobruchus maculatus, weevils, mutants, tolerance.

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Title:Laboratory screening of cowpea (Vigna unguiculata) genotypes against pulse beetle, Callosobruchus maculatus (F.)
Author:Aaron Chimbelya Siyunda, Natasha Mwila, Mick Mwala, Kalaluka Munyinda, Kelvin Kamfwa, Gilson Chipabika, & Dyness Nshimbi
Journal Name:International Journal of Science and Business
Website:ijsab.com
ISSN:ISSN 2520-4750 (Online), ISSN 2521-3040 (Print)
DOI:https://doi.org/10.5281/zenodo.6880440
Media:Online
Volume:6
Issue:1
Issue publication (Year):2022
Acceptance Date:23/05/2021
Date of Publication:22/07/2022
PDF URL:https://ijsab.com/wp-content/uploads/867.pdf
Free download:Available
Page:85-93
First Page:85
Last Page:93
Paper Type:Research paper
Current Status:Published

 

Cite This Article:

Aaron Chimbelya Siyunda, Natasha Mwila, Mick Mwala, Kalaluka Munyinda, Kelvin Kamfwa, Gilson Chipabika, & Dyness Nshimbi (2022). Laboratory screening of cowpea (Vigna unguiculata) genotypes against pulse beetle, Callosobruchus maculatus (F.). International Journal of Science and Business, 6(1), 85-93. doi: https://doi.org/ 10.5281/zenodo.6880440

Retrieved from https://ijsab.com/wp-content/uploads/867.pdf

 

About Author (s)

Aaron Chimbelya Siyunda (Corresponding Author), Department of Crop Science, Natural Resources Development College (NRDC), Lusaka, Zambia.

Natasha Mwila, Department of Plant Science, School of Agricultural Science, University of Zambia (UNZA), Lusaka, Zambia.

Mick Mwala, Department of Plant Science, School of Agricultural Science, University of Zambia (UNZA), Lusaka, Zambia.

Kalaluka Munyinda, Department of Plant Science, School of Agricultural Science, University of Zambia (UNZA), Lusaka, Zambia.

Kelvin Kamfwa, Department of Plant Science, School of Agricultural Science, University of Zambia (UNZA), Lusaka, Zambia.

Gilson Chipabika, Department of Plant Science, School of Agricultural Science, University of Zambia (UNZA), Lusaka, Zambia.

Dyness Nshimbi, Department of Crop Science, Natural Resources Development College (NRDC), Lusaka, Zambia.

 

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DOI: https://doi.org/10.5281/zenodo.6880440

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