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Populations Variations and Impacts of Bemisia tabaci (Genn.) and Aphis gossypii Glov. (Hemiptera), Two Sap-sucking Insects of Pepper Capsicum annuum L. 1753

Received: 17 February 2020    Accepted: 13 March 2020    Published: 29 December 2022
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Abstract

From April to August 2018, seasonal variation of the populations and the damage due to Aphis gossypii (Aphididae) and Bemisia tabaci (Aleyrodidae), two sap-sucking pests on Pepper (Capsicum annuum L.), was carried out in a forestry region of Cameroon with bimodal rainfall. This study focused on 133 days after transplanting (DAT). Populations were counted by 5 leaves per plant during 19 weeks, 02 seasons and 03 phenological phases of plant. Average number of individuals and attacked leaves due to these pests were correlated with total rainfall, mean temperature and mean relative humidity. The study showed that the average number of A. gossypii and B. tabaci per 5 leaves per plant varied significantly with sampling weeks (df=18, F=8.50, p<0.001 and df=18, F=4.87, p<0.001 respectively), seasons (df=1, F=2.99, p<0.01 and df=1, F=12.58, p<0.001 respectively) and with phenological phases of C. annuum (df=2, F=111.07, p<0.01 and df=2, F=132.74, p<0.01 respectively). The highest population were recorded at the 13th sampling week corresponding to 91 days after transplanting (91 DAT) with 5.30±0.8 individuals/5 leaves for A. gossypii and 2.30±0.42 individuals/5 leaves for B. tabaci. Average number of A. gossypii and B. tabaci were highest in the short dry season with 3.49±0.17 individuals/5 leaves and 0.83±0.07 individuals/5 leaves respectively. The study also showed that damage due to A. gossypii / B. tabaci complex varied significantly with sampling weeks (df=18, F=3.02, p<0.004), with seasons (df=1, F=9.69, p<0.001) and with phenological phases of C. annuum (df=2, F=20.31, p<0.005). These damage were higher in the first sampling week corresponding to 7 days after transplanting (7 DAT) with an average attack rate of 31.25±5.56%, during the short rainy season with an average attack rate of 20.57±1.48% and during the pre-flowering phase with an average attack rate of 20.85±1.10%. Average number of A. gossypii and B. tabaci individuals showed negative and non-significant correlations with total rainfall (r=-0.80, p<0.104 and r=-0.60, p<0.284 respectively) and mean temperature (r=-0.86, p<0.057 and r=-0.29, p<0.637 respectively), then positive and significant for A. gossypii (r=0.89, p<0.040) and positive and non-significant for B. tabaci (r=0.11, p<0.857) with relative humidity. Damage due to hemipteran complex showed positive and non-significant correlations with total rainfall (r=0.60, p<0.285) and mean temperatures (r=0.87, p<0.058) and negative and significant correlations with relative humidity (r=-0.86, p<0.041). The present study provided baseline data for integrated pest management strategies against A. gossypii and B. tabaci on C. annuum in forestry region of Southern Cameroon.

Published in American Journal of Entomology (Volume 6, Issue 4)
DOI 10.11648/j.aje.20220604.15
Page(s) 124-138
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), 2022. Published by Science Publishing Group

Keywords

Aphis gossypii, Bemisia tabaci, Population Variation, Damage, Correlation

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Cite This Article
  • APA Style

    Pierre Stephan Elono Azang, Cyril Romeo Heumou, Desiree Chantal Alene, Dounia, Vanessa Kemgang Danemo, et al. (2022). Populations Variations and Impacts of Bemisia tabaci (Genn.) and Aphis gossypii Glov. (Hemiptera), Two Sap-sucking Insects of Pepper Capsicum annuum L. 1753. American Journal of Entomology, 6(4), 124-138. https://doi.org/10.11648/j.aje.20220604.15

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    ACS Style

    Pierre Stephan Elono Azang; Cyril Romeo Heumou; Desiree Chantal Alene; Dounia; Vanessa Kemgang Danemo, et al. Populations Variations and Impacts of Bemisia tabaci (Genn.) and Aphis gossypii Glov. (Hemiptera), Two Sap-sucking Insects of Pepper Capsicum annuum L. 1753. Am. J. Entomol. 2022, 6(4), 124-138. doi: 10.11648/j.aje.20220604.15

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    AMA Style

    Pierre Stephan Elono Azang, Cyril Romeo Heumou, Desiree Chantal Alene, Dounia, Vanessa Kemgang Danemo, et al. Populations Variations and Impacts of Bemisia tabaci (Genn.) and Aphis gossypii Glov. (Hemiptera), Two Sap-sucking Insects of Pepper Capsicum annuum L. 1753. Am J Entomol. 2022;6(4):124-138. doi: 10.11648/j.aje.20220604.15

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  • @article{10.11648/j.aje.20220604.15,
      author = {Pierre Stephan Elono Azang and Cyril Romeo Heumou and Desiree Chantal Alene and Dounia and Vanessa Kemgang Danemo and Pierre Ngassam and Joseph Lebel Tamesse and Champlain Djieto-Lordon},
      title = {Populations Variations and Impacts of Bemisia tabaci (Genn.) and Aphis gossypii Glov. (Hemiptera), Two Sap-sucking Insects of Pepper Capsicum annuum L. 1753},
      journal = {American Journal of Entomology},
      volume = {6},
      number = {4},
      pages = {124-138},
      doi = {10.11648/j.aje.20220604.15},
      url = {https://doi.org/10.11648/j.aje.20220604.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aje.20220604.15},
      abstract = {From April to August 2018, seasonal variation of the populations and the damage due to Aphis gossypii (Aphididae) and Bemisia tabaci (Aleyrodidae), two sap-sucking pests on Pepper (Capsicum annuum L.), was carried out in a forestry region of Cameroon with bimodal rainfall. This study focused on 133 days after transplanting (DAT). Populations were counted by 5 leaves per plant during 19 weeks, 02 seasons and 03 phenological phases of plant. Average number of individuals and attacked leaves due to these pests were correlated with total rainfall, mean temperature and mean relative humidity. The study showed that the average number of A. gossypii and B. tabaci per 5 leaves per plant varied significantly with sampling weeks (df=18, F=8.50, ppppC. annuum (df=2, F=111.07, ppA. gossypii and 2.30±0.42 individuals/5 leaves for B. tabaci. Average number of A. gossypii and B. tabaci were highest in the short dry season with 3.49±0.17 individuals/5 leaves and 0.83±0.07 individuals/5 leaves respectively. The study also showed that damage due to A. gossypii / B. tabaci complex varied significantly with sampling weeks (df=18, F=3.02, ppC. annuum (df=2, F=20.31, pA. gossypii and B. tabaci individuals showed negative and non-significant correlations with total rainfall (r=-0.80, ppppA. gossypii (r=0.89, pB. tabaci (r=0.11, ppppA. gossypii and B. tabaci on C. annuum in forestry region of Southern Cameroon.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Populations Variations and Impacts of Bemisia tabaci (Genn.) and Aphis gossypii Glov. (Hemiptera), Two Sap-sucking Insects of Pepper Capsicum annuum L. 1753
    AU  - Pierre Stephan Elono Azang
    AU  - Cyril Romeo Heumou
    AU  - Desiree Chantal Alene
    AU  - Dounia
    AU  - Vanessa Kemgang Danemo
    AU  - Pierre Ngassam
    AU  - Joseph Lebel Tamesse
    AU  - Champlain Djieto-Lordon
    Y1  - 2022/12/29
    PY  - 2022
    N1  - https://doi.org/10.11648/j.aje.20220604.15
    DO  - 10.11648/j.aje.20220604.15
    T2  - American Journal of Entomology
    JF  - American Journal of Entomology
    JO  - American Journal of Entomology
    SP  - 124
    EP  - 138
    PB  - Science Publishing Group
    SN  - 2640-0537
    UR  - https://doi.org/10.11648/j.aje.20220604.15
    AB  - From April to August 2018, seasonal variation of the populations and the damage due to Aphis gossypii (Aphididae) and Bemisia tabaci (Aleyrodidae), two sap-sucking pests on Pepper (Capsicum annuum L.), was carried out in a forestry region of Cameroon with bimodal rainfall. This study focused on 133 days after transplanting (DAT). Populations were counted by 5 leaves per plant during 19 weeks, 02 seasons and 03 phenological phases of plant. Average number of individuals and attacked leaves due to these pests were correlated with total rainfall, mean temperature and mean relative humidity. The study showed that the average number of A. gossypii and B. tabaci per 5 leaves per plant varied significantly with sampling weeks (df=18, F=8.50, ppppC. annuum (df=2, F=111.07, ppA. gossypii and 2.30±0.42 individuals/5 leaves for B. tabaci. Average number of A. gossypii and B. tabaci were highest in the short dry season with 3.49±0.17 individuals/5 leaves and 0.83±0.07 individuals/5 leaves respectively. The study also showed that damage due to A. gossypii / B. tabaci complex varied significantly with sampling weeks (df=18, F=3.02, ppC. annuum (df=2, F=20.31, pA. gossypii and B. tabaci individuals showed negative and non-significant correlations with total rainfall (r=-0.80, ppppA. gossypii (r=0.89, pB. tabaci (r=0.11, ppppA. gossypii and B. tabaci on C. annuum in forestry region of Southern Cameroon.
    VL  - 6
    IS  - 4
    ER  - 

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Author Information
  • Department of Biological Sciences, Higher Teacher Training College, University of Yaoundé I, Yaoundé, Cameroon

  • Department of Biology, Higher Teacher Training College, University of Bamenda, Bamenda, Cameroon

  • Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon

  • Department of Biological Sciences, Higher Teacher Training College, University of Yaoundé I, Yaoundé, Cameroon

  • Department of Biological Sciences, Higher Teacher Training College, University of Yaoundé I, Yaoundé, Cameroon

  • Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon

  • Department of Biological Sciences, Higher Teacher Training College, University of Yaoundé I, Yaoundé, Cameroon

  • Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon

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