Impact of Biotic and Abiotic Factors on the Population Dynamics of Bemisia tabaci (Genn.) and Tetranychus urticae (Koch) Infested Tomato Plant Lycopersicon esculentum L. at kafr El sheikh Governorate
Abasse, A., H., A., A., N., A., S., M., M. (2018). Impact of Biotic and Abiotic Factors on the Population Dynamics of Bemisia tabaci (Genn.) and Tetranychus urticae (Koch) Infested Tomato Plant Lycopersicon esculentum L. at kafr El sheikh Governorate. EKB Journal Management System, 11(4), 41-50. doi: 10.21608/eajbsa.2018.17731
Afaf A. Abasse; Abd-El wahab A. H.; Naema A. A.; Sawsan M. A.; Mohammed Enayat M.. "Impact of Biotic and Abiotic Factors on the Population Dynamics of Bemisia tabaci (Genn.) and Tetranychus urticae (Koch) Infested Tomato Plant Lycopersicon esculentum L. at kafr El sheikh Governorate". EKB Journal Management System, 11, 4, 2018, 41-50. doi: 10.21608/eajbsa.2018.17731
Abasse, A., H., A., A., N., A., S., M., M. (2018). 'Impact of Biotic and Abiotic Factors on the Population Dynamics of Bemisia tabaci (Genn.) and Tetranychus urticae (Koch) Infested Tomato Plant Lycopersicon esculentum L. at kafr El sheikh Governorate', EKB Journal Management System, 11(4), pp. 41-50. doi: 10.21608/eajbsa.2018.17731
Abasse, A., H., A., A., N., A., S., M., M. Impact of Biotic and Abiotic Factors on the Population Dynamics of Bemisia tabaci (Genn.) and Tetranychus urticae (Koch) Infested Tomato Plant Lycopersicon esculentum L. at kafr El sheikh Governorate. EKB Journal Management System, 2018; 11(4): 41-50. doi: 10.21608/eajbsa.2018.17731

Impact of Biotic and Abiotic Factors on the Population Dynamics of Bemisia tabaci (Genn.) and Tetranychus urticae (Koch) Infested Tomato Plant Lycopersicon esculentum L. at kafr El sheikh Governorate

Egyptian Academic Journal of Biological Sciences. A, Entomology
Article 4, Volume 11, Issue 4, August 2018, Page 41-50  XML PDF (759.34 K)
Document Type: Original Article
DOI: 10.21608/eajbsa.2018.17731
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Authors
Afaf A. Abasse1; Abd-El wahab A. H.2; Naema A. A.1; Sawsan M. A.3; Mohammed Enayat M.orcid 1
1Zoology Department- Faculty of Science (Girls) - Al-Azhar University
2Plant Protection Research Institute Dokki- Giza, Egypt
3Microbiology Department Atomic Energy Authority- Egypt
Abstract
Impact of  abiotic (minimum–maximum temperatures and
relative humidity) and biotic factors ( Coccinella undecimpunctata,  Syrphus corollae , Amblyseius swirskii, Nesidiocoris
tenuis  and Chrysoperla carnea)  on the population dynamics
of Bemisia
tabaci (Genn.) and Tetranchys urticae (Koch) infesting tomato plant Lycopersicon
esculentum L. at kafr El sheikh
governorate, Egypt were studied on spring plantation of  2016 &2017 seasons. The analysis of
variance revealed significant variation among dates of observations, lines and
in their interaction for B. tabaci
(Genn.), T. urticae (Koch) and their natural enemies. The mean number of
B. tabaci and T. urticae
during the first season was higher than that was recorded during the second
season. The percentage of explained variance (E.V.) of abiotic and
biotic altogether in the population densities of  B.
tabaci and T. urticae in the first season was stronger percentage
values than second as (62% - 86%) and (94% - 77%)  for eggs and nymphs
of  B.
tabaci  while  (84% _ 77%)  and  (84% -98%)  and for eggs and movable stages of T.
urticae during spring of plantation 2016 &2017 seasons, respectively.
Keywords
abiotic & biotic factors; Coccinella undecimpunctata; Syrphus corollae; Amblyseius swirskii; Nesidiocoris tenuis; Chrysoperla carnea; Bemisia tabaci (Genn.) and Tetranychus urticae (Koch); tomato plant; Lycopersicon esculentum L; Minimum & Maximum temperature and Relative humidity
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