International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 12, Issue:11, November, 2023

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2023.12(11): 209-226

Evaluation of the Effect of African cassava mosaic virus (ACMV) Genus Begomovirus Infection on the Nutritional Components of Cassava (Manihot esculenta. Crantz)
Oben Tom Tabi1*, Egbe Enow Andrew1, 2 and Atiri Gabriel Ifo3
1Department of Agronomic and Applied Molecular Sciences, Faculty of Agriculture and Veterinary Medicine, University of Buea. PMB 63, Buea, Cameroon
2Department of Plant Science, Faculty of Science, University of Buea. PMB 63, Buea, Cameroon
3Department of Crop Protection and Environmental Biology, University of Ibadan, Ibadan, Nigeria
*Corresponding author

Cassava is an important staple grown worldwide for its edible leaves and roots. African cassava mosaic virus (ACMV) is the most important disease infecting this crop that reduces yield and quality. This study was conducted to determine the effect of ACMV infection on nutritional components of some cassava cultivars. The experiment was carried out at the University of Ibadan, Teaching and Research Farms. It was a randomized complete block design with four replicates using resistant, moderately resistant and susceptible cultivars. Proximate analysis was done to evaluate these nutritional components. Disease incidence and severity were highest for the susceptible [Index of Symptom Severity (ISS) =3.57 ± 0.01] cultivar and lowest for the resistant (1.36 ± 0.05) nine months after planting. Cyanide content was 37.1% for the resistant plants and 78.3% for the susceptible. Fibre and fat contents decrease significantly for infected plants compared to the uninfected irrespective of the cultivar. A decrease of 2.68% in protein content and an increase in biomass of 21.43% was noted for infected resistant plant compared to the uninfected. Index of Symptom Severity (ISS) and protein/sugar contents of cassava tubers were significantly positively correlated (P=0.05) on dry weight basis. There was significant negative correlation between starch/sugar and dry matter/moisture content of cassava tubers (r=0.9 and r=-0.8) respectively. On fresh weight basis, there was a highly significant negative correlation between ISS and moisture content (r=-0.6). Starch content was significantly positively correlated at P=0.05. Cyanide and dry matter contents had significant positive correlation (r=0.9, P=0.05). ACMV has an adverse effect on the nutritional components of cassava and therefore virus resistant cultivars should be used for planting.

Keywords: African cassava mosaic virus disease, disease incidence and severity, nutritional components, cassava

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How to cite this article:

Oben Tom Tabi, Egbe Enow Andrew and Atiri Gabriel Ifo. 2023. Evaluation of the Effect of African cassava mosaic virus (ACMV) Genus Begomovirus Infection on the Nutritional Components of Cassava (Manihot esculenta. Crantz).Int.J.Curr.Microbiol.App.Sci. 12(11): 209-226. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.