Efficacy of Three Insecticides in the Control Gall Wasp <i>Leptocybe invasa</i> in <i>Eucalyptus urograndis</i> Seedlings

Aires Mbanze; Daniel Salvador Castilho; Custódio Matavel; Romana Bandeira; Carlos Fernado Jairoce

doi:doi:10.11648/j.ajaf.20180606.22

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Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings

Aires Mbanze, Daniel Salvador Castilho, Custódio Matavel, Romana Bandeira, Carlos Fernado Jairoce

Published in American Journal of Agriculture and Forestry (Volume 6, Issue 6)

Received: 21 October 2018 Accepted: 15 November 2018 Published: 24 December 2018

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Abstract

Forestry expertise and plantations managers are struggling to find cheaper and sustainable solutions to contain the losses caused by Leptocybe invasa in the last nine years on the forest stands in Mozambique. Aiming to help find a solution in the control of L. invasa early in the nursery, we conducted an experimental trial at the Niassa Forestry company nursery, located in the Niassa province, northern Mozambique in February 2015. Three insecticides: Acetamiprid, Thiamethoxam, Imidacloprid, with and without adherent and pH regulator were tested. The experiment had seven treatments including the control. The number of seedlings infested by the gall wasp were assessed 15, 30, 45 and 60 days after the seeds were sown in the nursery. Data were analysed in R package. Normality and homogeneity of variances were tested through Shapiro-Wilk and Bartlett's tests respectively. Analysis of Variance (ANOVA) and parametric means test (Tukey-HSD), were used to assess whether there was difference among the treatments. Results showed difference between treatments at 0.01% of significance after 15, 30 and 45 days and at 5% in the 60 days after sowing. With less seedlings infested by the gall wasp, Imidacloprid with and without adherent was almost superior compared to all other pesticides in all assessment. The use of adherent and pH regulators negatively affected the performance of insecticides, except in the Imidacloprid. This study findings should not however, be overall generalized, instead, more research can be conducted to verify the consistency of these results before being widely implemented.

Published in	American Journal of Agriculture and Forestry (Volume 6, Issue 6)
DOI	10.11648/j.ajaf.20180606.22
Page(s)	246-252
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

Eucalyptus Seedlings, Planted Forest, Insecticides and L. Invasa

References

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Aires Mbanze, Daniel Salvador Castilho, Custódio Matavel, Romana Bandeira, Carlos Fernado Jairoce. (2018). Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings. American Journal of Agriculture and Forestry, 6(6), 246-252. https://doi.org/10.11648/j.ajaf.20180606.22

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ACS Style

Aires Mbanze; Daniel Salvador Castilho; Custódio Matavel; Romana Bandeira; Carlos Fernado Jairoce. Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings. Am. J. Agric. For. 2018, 6(6), 246-252. doi: 10.11648/j.ajaf.20180606.22

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AMA Style

Aires Mbanze, Daniel Salvador Castilho, Custódio Matavel, Romana Bandeira, Carlos Fernado Jairoce. Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings. Am J Agric For. 2018;6(6):246-252. doi: 10.11648/j.ajaf.20180606.22

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@article{10.11648/j.ajaf.20180606.22,
  author = {Aires Mbanze and Daniel Salvador Castilho and Custódio Matavel and Romana Bandeira and Carlos Fernado Jairoce},
  title = {Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings},
  journal = {American Journal of Agriculture and Forestry},
  volume = {6},
  number = {6},
  pages = {246-252},
  doi = {10.11648/j.ajaf.20180606.22},
  url = {https://doi.org/10.11648/j.ajaf.20180606.22},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaf.20180606.22},
  abstract = {Forestry expertise and plantations managers are struggling to find cheaper and sustainable solutions to contain the losses caused by Leptocybe invasa in the last nine years on the forest stands in Mozambique. Aiming to help find a solution in the control of L. invasa early in the nursery, we conducted an experimental trial at the Niassa Forestry company nursery, located in the Niassa province, northern Mozambique in February 2015. Three insecticides: Acetamiprid, Thiamethoxam, Imidacloprid, with and without adherent and pH regulator were tested. The experiment had seven treatments including the control. The number of seedlings infested by the gall wasp were assessed 15, 30, 45 and 60 days after the seeds were sown in the nursery. Data were analysed in R package. Normality and homogeneity of variances were tested through Shapiro-Wilk and Bartlett's tests respectively. Analysis of Variance (ANOVA) and parametric means test (Tukey-HSD), were used to assess whether there was difference among the treatments. Results showed difference between treatments at 0.01% of significance after 15, 30 and 45 days and at 5% in the 60 days after sowing. With less seedlings infested by the gall wasp, Imidacloprid with and without adherent was almost superior compared to all other pesticides in all assessment. The use of adherent and pH regulators negatively affected the performance of insecticides, except in the Imidacloprid. This study findings should not however, be overall generalized, instead, more research can be conducted to verify the consistency of these results before being widely implemented.},
 year = {2018}
}

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TY - JOUR
T1 - Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings
AU - Aires Mbanze
AU - Daniel Salvador Castilho
AU - Custódio Matavel
AU - Romana Bandeira
AU - Carlos Fernado Jairoce
Y1 - 2018/12/24
PY - 2018
N1 - https://doi.org/10.11648/j.ajaf.20180606.22
DO - 10.11648/j.ajaf.20180606.22
T2 - American Journal of Agriculture and Forestry
JF - American Journal of Agriculture and Forestry
JO - American Journal of Agriculture and Forestry
SP - 246
EP - 252
PB - Science Publishing Group
SN - 2330-8591
UR - https://doi.org/10.11648/j.ajaf.20180606.22
AB - Forestry expertise and plantations managers are struggling to find cheaper and sustainable solutions to contain the losses caused by Leptocybe invasa in the last nine years on the forest stands in Mozambique. Aiming to help find a solution in the control of L. invasa early in the nursery, we conducted an experimental trial at the Niassa Forestry company nursery, located in the Niassa province, northern Mozambique in February 2015. Three insecticides: Acetamiprid, Thiamethoxam, Imidacloprid, with and without adherent and pH regulator were tested. The experiment had seven treatments including the control. The number of seedlings infested by the gall wasp were assessed 15, 30, 45 and 60 days after the seeds were sown in the nursery. Data were analysed in R package. Normality and homogeneity of variances were tested through Shapiro-Wilk and Bartlett's tests respectively. Analysis of Variance (ANOVA) and parametric means test (Tukey-HSD), were used to assess whether there was difference among the treatments. Results showed difference between treatments at 0.01% of significance after 15, 30 and 45 days and at 5% in the 60 days after sowing. With less seedlings infested by the gall wasp, Imidacloprid with and without adherent was almost superior compared to all other pesticides in all assessment. The use of adherent and pH regulators negatively affected the performance of insecticides, except in the Imidacloprid. This study findings should not however, be overall generalized, instead, more research can be conducted to verify the consistency of these results before being widely implemented.
VL - 6
IS - 6
ER -

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Author Information

Aires Mbanze

Faculty of Agrarian Sciences, Universidade Lúrio, Sanga, Mozambique
Daniel Salvador Castilho

Florestas do Niassa, Litunde Nursery, Lichinga City, Mozambique
Custódio Matavel

Faculty of Agrarian Sciences, Universidade Lúrio, Sanga, Mozambique
Romana Bandeira

Faculty of Agronomy and Forest Engineering, Eduardo Mondlane University, Maputo, Mozambique
Carlos Fernado Jairoce

Faculty of Agrarian Sciences, Universidade Lúrio, Sanga, Mozambique

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Aires Mbanze, Daniel Salvador Castilho, Custódio Matavel, Romana Bandeira, Carlos Fernado Jairoce. (2018). Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings. American Journal of Agriculture and Forestry, 6(6), 246-252. https://doi.org/10.11648/j.ajaf.20180606.22

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Aires Mbanze; Daniel Salvador Castilho; Custódio Matavel; Romana Bandeira; Carlos Fernado Jairoce. Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings. Am. J. Agric. For. 2018, 6(6), 246-252. doi: 10.11648/j.ajaf.20180606.22

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AMA Style

Aires Mbanze, Daniel Salvador Castilho, Custódio Matavel, Romana Bandeira, Carlos Fernado Jairoce. Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings. Am J Agric For. 2018;6(6):246-252. doi: 10.11648/j.ajaf.20180606.22

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@article{10.11648/j.ajaf.20180606.22,
  author = {Aires Mbanze and Daniel Salvador Castilho and Custódio Matavel and Romana Bandeira and Carlos Fernado Jairoce},
  title = {Efficacy of Three Insecticides in the Control Gall Wasp Leptocybe invasa in Eucalyptus urograndis Seedlings},
  journal = {American Journal of Agriculture and Forestry},
  volume = {6},
  number = {6},
  pages = {246-252},
  doi = {10.11648/j.ajaf.20180606.22},
  url = {https://doi.org/10.11648/j.ajaf.20180606.22},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaf.20180606.22},
  abstract = {Forestry expertise and plantations managers are struggling to find cheaper and sustainable solutions to contain the losses caused by Leptocybe invasa in the last nine years on the forest stands in Mozambique. Aiming to help find a solution in the control of L. invasa early in the nursery, we conducted an experimental trial at the Niassa Forestry company nursery, located in the Niassa province, northern Mozambique in February 2015. Three insecticides: Acetamiprid, Thiamethoxam, Imidacloprid, with and without adherent and pH regulator were tested. The experiment had seven treatments including the control. The number of seedlings infested by the gall wasp were assessed 15, 30, 45 and 60 days after the seeds were sown in the nursery. Data were analysed in R package. Normality and homogeneity of variances were tested through Shapiro-Wilk and Bartlett's tests respectively. Analysis of Variance (ANOVA) and parametric means test (Tukey-HSD), were used to assess whether there was difference among the treatments. Results showed difference between treatments at 0.01% of significance after 15, 30 and 45 days and at 5% in the 60 days after sowing. With less seedlings infested by the gall wasp, Imidacloprid with and without adherent was almost superior compared to all other pesticides in all assessment. The use of adherent and pH regulators negatively affected the performance of insecticides, except in the Imidacloprid. This study findings should not however, be overall generalized, instead, more research can be conducted to verify the consistency of these results before being widely implemented.},
 year = {2018}
}

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