Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon

Lum Ayeoffe Fontem; Acha Edison

doi:doi:10.11648/j.ajls.20180602.11

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Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon

Lum Ayeoffe Fontem, Acha Edison

Published in American Journal of Life Sciences (Volume 6, Issue 2)

Received: 22 May 2018 Accepted: 8 June 2018 Published: 5 July 2018

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Abstract

Banana borer weevil is a major insect pest of banana and plantain in Cameroon. The undesirable effects of synthetic insecticides have attracted global attention and there is urgent need for alternative measures. This study consisted of a survey and five laboratory experiments, to investigate farmers’ perceptions of the weevil in Fako Division of Cameroon, and the insecticidal potential of the aqueous extract of neem and wood ash as alternative sources for its management. A structured questionnaire was administered in several villages in the study area. For the laboratory experiments, the treatments were the aqueous extract of neem (25, 50, 75 and 100%), wood ash (20%), mocap® (positive control) and water (negative control). Majority of the farmers (49.6%) used mocap® to control the weevil; 29.2% used at least one cultural practice, 11.2% applied wood ash while 10% employed other methods. At 14 days after exposure (DAE), the aqueous extract of neem at 75 and 100% resulted in 79% mortality of the adult weevil; 50% of the extract caused 68% mortality similar to wood ash; 25% of the extract killed 42% of them. Corms treated with water had 0% mortality throughout while those with mocap® had 100% mortality 1 DAE. The number of weevils that settled on corms treated with the extract at 50 and 75% (<1.5) and wood ash (≤1.9) was less than that on the control corms with water (≥6.2). The extract at 50 and 75% and wood ash inhibited weevil oviposition (<2 eggs laid/corm) and larva emergence (zero larva) significantly. These treatments also significantly increased the average time each larva spent locating a feeding site, initiating feeding and boring into discs compared to control discs with water. The potency of these treatments on the mortality of the weevil lasted for three to four weeks. Therefore, the aqueous extract of neem and wood ash offer a promising, affordable, environmentally friendly and cost-effective option which could be incorporated into an integrated package for sustainable management of the banana borer weevil.

Published in	American Journal of Life Sciences (Volume 6, Issue 2)
DOI	10.11648/j.ajls.20180602.11
Page(s)	29-38
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Aqueous Extract, Banana, Banana Borer Weevil, Farmers’ Perceptions, Neem, Wood Ash

References

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APA Style

Lum Ayeoffe Fontem, Acha Edison. (2018). Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon. American Journal of Life Sciences, 6(2), 29-38. https://doi.org/10.11648/j.ajls.20180602.11

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ACS Style

Lum Ayeoffe Fontem; Acha Edison. Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon. Am. J. Life Sci. 2018, 6(2), 29-38. doi: 10.11648/j.ajls.20180602.11

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AMA Style

Lum Ayeoffe Fontem, Acha Edison. Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon. Am J Life Sci. 2018;6(2):29-38. doi: 10.11648/j.ajls.20180602.11

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@article{10.11648/j.ajls.20180602.11,
  author = {Lum Ayeoffe Fontem and Acha Edison},
  title = {Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon},
  journal = {American Journal of Life Sciences},
  volume = {6},
  number = {2},
  pages = {29-38},
  doi = {10.11648/j.ajls.20180602.11},
  url = {https://doi.org/10.11648/j.ajls.20180602.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajls.20180602.11},
  abstract = {Banana borer weevil is a major insect pest of banana and plantain in Cameroon. The undesirable effects of synthetic insecticides have attracted global attention and there is urgent need for alternative measures. This study consisted of a survey and five laboratory experiments, to investigate farmers’ perceptions of the weevil in Fako Division of Cameroon, and the insecticidal potential of the aqueous extract of neem and wood ash as alternative sources for its management. A structured questionnaire was administered in several villages in the study area. For the laboratory experiments, the treatments were the aqueous extract of neem (25, 50, 75 and 100%), wood ash (20%), mocap® (positive control) and water (negative control). Majority of the farmers (49.6%) used mocap® to control the weevil; 29.2% used at least one cultural practice, 11.2% applied wood ash while 10% employed other methods. At 14 days after exposure (DAE), the aqueous extract of neem at 75 and 100% resulted in 79% mortality of the adult weevil; 50% of the extract caused 68% mortality similar to wood ash; 25% of the extract killed 42% of them. Corms treated with water had 0% mortality throughout while those with mocap® had 100% mortality 1 DAE. The number of weevils that settled on corms treated with the extract at 50 and 75% (<1.5) and wood ash (≤1.9) was less than that on the control corms with water (≥6.2). The extract at 50 and 75% and wood ash inhibited weevil oviposition (<2 eggs laid/corm) and larva emergence (zero larva) significantly. These treatments also significantly increased the average time each larva spent locating a feeding site, initiating feeding and boring into discs compared to control discs with water. The potency of these treatments on the mortality of the weevil lasted for three to four weeks. Therefore, the aqueous extract of neem and wood ash offer a promising, affordable, environmentally friendly and cost-effective option which could be incorporated into an integrated package for sustainable management of the banana borer weevil.},
 year = {2018}
}

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TY  - JOUR
T1  - Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon
AU  - Lum Ayeoffe Fontem
AU  - Acha Edison
Y1  - 2018/07/05
PY  - 2018
N1  - https://doi.org/10.11648/j.ajls.20180602.11
DO  - 10.11648/j.ajls.20180602.11
T2  - American Journal of Life Sciences
JF  - American Journal of Life Sciences
JO  - American Journal of Life Sciences
SP  - 29
EP  - 38
PB  - Science Publishing Group
SN  - 2328-5737
UR  - https://doi.org/10.11648/j.ajls.20180602.11
AB  - Banana borer weevil is a major insect pest of banana and plantain in Cameroon. The undesirable effects of synthetic insecticides have attracted global attention and there is urgent need for alternative measures. This study consisted of a survey and five laboratory experiments, to investigate farmers’ perceptions of the weevil in Fako Division of Cameroon, and the insecticidal potential of the aqueous extract of neem and wood ash as alternative sources for its management. A structured questionnaire was administered in several villages in the study area. For the laboratory experiments, the treatments were the aqueous extract of neem (25, 50, 75 and 100%), wood ash (20%), mocap® (positive control) and water (negative control). Majority of the farmers (49.6%) used mocap® to control the weevil; 29.2% used at least one cultural practice, 11.2% applied wood ash while 10% employed other methods. At 14 days after exposure (DAE), the aqueous extract of neem at 75 and 100% resulted in 79% mortality of the adult weevil; 50% of the extract caused 68% mortality similar to wood ash; 25% of the extract killed 42% of them. Corms treated with water had 0% mortality throughout while those with mocap® had 100% mortality 1 DAE. The number of weevils that settled on corms treated with the extract at 50 and 75% (<1.5) and wood ash (≤1.9) was less than that on the control corms with water (≥6.2). The extract at 50 and 75% and wood ash inhibited weevil oviposition (<2 eggs laid/corm) and larva emergence (zero larva) significantly. These treatments also significantly increased the average time each larva spent locating a feeding site, initiating feeding and boring into discs compared to control discs with water. The potency of these treatments on the mortality of the weevil lasted for three to four weeks. Therefore, the aqueous extract of neem and wood ash offer a promising, affordable, environmentally friendly and cost-effective option which could be incorporated into an integrated package for sustainable management of the banana borer weevil.
VL  - 6
IS  - 2
ER  -

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Author Information

Lum Ayeoffe Fontem

Department of Agronomic and Applied Molecular Sciences, University of Buea, Buea, Cameroon
Acha Edison

Department of Botany and Plant Physiology, University of Buea, Buea, Cameroon

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APA Style

Lum Ayeoffe Fontem, Acha Edison. (2018). Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon. American Journal of Life Sciences, 6(2), 29-38. https://doi.org/10.11648/j.ajls.20180602.11

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ACS Style

Lum Ayeoffe Fontem; Acha Edison. Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon. Am. J. Life Sci. 2018, 6(2), 29-38. doi: 10.11648/j.ajls.20180602.11

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AMA Style

Lum Ayeoffe Fontem, Acha Edison. Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon. Am J Life Sci. 2018;6(2):29-38. doi: 10.11648/j.ajls.20180602.11

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@article{10.11648/j.ajls.20180602.11,
  author = {Lum Ayeoffe Fontem and Acha Edison},
  title = {Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon},
  journal = {American Journal of Life Sciences},
  volume = {6},
  number = {2},
  pages = {29-38},
  doi = {10.11648/j.ajls.20180602.11},
  url = {https://doi.org/10.11648/j.ajls.20180602.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajls.20180602.11},
  abstract = {Banana borer weevil is a major insect pest of banana and plantain in Cameroon. The undesirable effects of synthetic insecticides have attracted global attention and there is urgent need for alternative measures. This study consisted of a survey and five laboratory experiments, to investigate farmers’ perceptions of the weevil in Fako Division of Cameroon, and the insecticidal potential of the aqueous extract of neem and wood ash as alternative sources for its management. A structured questionnaire was administered in several villages in the study area. For the laboratory experiments, the treatments were the aqueous extract of neem (25, 50, 75 and 100%), wood ash (20%), mocap® (positive control) and water (negative control). Majority of the farmers (49.6%) used mocap® to control the weevil; 29.2% used at least one cultural practice, 11.2% applied wood ash while 10% employed other methods. At 14 days after exposure (DAE), the aqueous extract of neem at 75 and 100% resulted in 79% mortality of the adult weevil; 50% of the extract caused 68% mortality similar to wood ash; 25% of the extract killed 42% of them. Corms treated with water had 0% mortality throughout while those with mocap® had 100% mortality 1 DAE. The number of weevils that settled on corms treated with the extract at 50 and 75% (<1.5) and wood ash (≤1.9) was less than that on the control corms with water (≥6.2). The extract at 50 and 75% and wood ash inhibited weevil oviposition (<2 eggs laid/corm) and larva emergence (zero larva) significantly. These treatments also significantly increased the average time each larva spent locating a feeding site, initiating feeding and boring into discs compared to control discs with water. The potency of these treatments on the mortality of the weevil lasted for three to four weeks. Therefore, the aqueous extract of neem and wood ash offer a promising, affordable, environmentally friendly and cost-effective option which could be incorporated into an integrated package for sustainable management of the banana borer weevil.},
 year = {2018}
}

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TY  - JOUR
T1  - Farmers’ Knowledge and Perceptions of Banana Borer Weevil and Insecticidal Potential of Neem and Wood Ash for Its Management in Fako Division, Cameroon
AU  - Lum Ayeoffe Fontem
AU  - Acha Edison
Y1  - 2018/07/05
PY  - 2018
N1  - https://doi.org/10.11648/j.ajls.20180602.11
DO  - 10.11648/j.ajls.20180602.11
T2  - American Journal of Life Sciences
JF  - American Journal of Life Sciences
JO  - American Journal of Life Sciences
SP  - 29
EP  - 38
PB  - Science Publishing Group
SN  - 2328-5737
UR  - https://doi.org/10.11648/j.ajls.20180602.11
AB  - Banana borer weevil is a major insect pest of banana and plantain in Cameroon. The undesirable effects of synthetic insecticides have attracted global attention and there is urgent need for alternative measures. This study consisted of a survey and five laboratory experiments, to investigate farmers’ perceptions of the weevil in Fako Division of Cameroon, and the insecticidal potential of the aqueous extract of neem and wood ash as alternative sources for its management. A structured questionnaire was administered in several villages in the study area. For the laboratory experiments, the treatments were the aqueous extract of neem (25, 50, 75 and 100%), wood ash (20%), mocap® (positive control) and water (negative control). Majority of the farmers (49.6%) used mocap® to control the weevil; 29.2% used at least one cultural practice, 11.2% applied wood ash while 10% employed other methods. At 14 days after exposure (DAE), the aqueous extract of neem at 75 and 100% resulted in 79% mortality of the adult weevil; 50% of the extract caused 68% mortality similar to wood ash; 25% of the extract killed 42% of them. Corms treated with water had 0% mortality throughout while those with mocap® had 100% mortality 1 DAE. The number of weevils that settled on corms treated with the extract at 50 and 75% (<1.5) and wood ash (≤1.9) was less than that on the control corms with water (≥6.2). The extract at 50 and 75% and wood ash inhibited weevil oviposition (<2 eggs laid/corm) and larva emergence (zero larva) significantly. These treatments also significantly increased the average time each larva spent locating a feeding site, initiating feeding and boring into discs compared to control discs with water. The potency of these treatments on the mortality of the weevil lasted for three to four weeks. Therefore, the aqueous extract of neem and wood ash offer a promising, affordable, environmentally friendly and cost-effective option which could be incorporated into an integrated package for sustainable management of the banana borer weevil.
VL  - 6
IS  - 2
ER  -

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