Absence of Effects of Herbicides Use on Yam Rots: A Case Study in Wulensi, Ghana

Abukari Wumbei, Judith Kania Asibi Bawa, Mamudu Abunga Akudugu and Pieter Spanoghe
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Abukari Wumbei: Department of Crops and Plants, Faculty of Bioscience Engineering, Ghent University, 9000 Gent, Belgium
Judith Kania Asibi Bawa: Institute for Interdisciplinary Research and Consultancy Services, University for Development Studies, P.O. Box TL 1350, Tamale, Ghana
Mamudu Abunga Akudugu: Institute for Interdisciplinary Research and Consultancy Services, University for Development Studies, P.O. Box TL 1350, Tamale, Ghana
Pieter Spanoghe: Department of Crops and Plants, Faculty of Bioscience Engineering, Ghent University, 9000 Gent, Belgium

Agriculture, 2019, vol. 9, issue 5, 1-15

Abstract: Yam farmers in Ghana have, over the years, used herbicides for weed control, particularly glyphosate. Although this has been helpful to them, there are complaints and concerns, among the yam farmers and a section of the public, that the yam tuber rots easily under the use of herbicides. This study, therefore, was set up at the field level to investigate the possibility of herbicides use causing yam rot. Two yam varieties, “laribako” and “olodo”, were grown under the conditions of chemical weed control (use of glyphosate) and manual weed control in three replicate sites in Wulensi in the Nanumba traditional area of northern Ghana. The study revealed that there was no difference in rots between herbicide treated yams and manually weeded yams, but that there was a difference in rots between “laribako” and “olodo” yam varieties. The results also showed that there was no difference in yield between herbicide treated yams and manually weeded yams. Based on the findings, it can be concluded that, there was no difference in yam rot and yield between herbicides treated and manually weeded yams, but “laribako” was more susceptible to rot than “olodo”.

Keywords: yam rots; causes; farmers; herbicides; glyphosate residues (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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