A Survey On The Insect Pests Of Orange (Citrus Rutaceae) In Some Selected Plots In Abia State
ABSTRACT
A study on the
insect pest of citrus plants was conducted from the month of June 2006 to
August 2006 in two towns of Abia State[Bende. and Umudike], T wo methods were
used to get at the insects; the knock down / jarring and handpicking methods.
Culture ol immature stages was also carried out. Species ofinsect encountered
include; Zonocerus variegatus, Toxoptera aurantii, Papilio demodocus,
Aleurocanthus floccosus, blattella asahina, Aleurocanthus spp, Achaea lienardi,
Oecophylla longinoda, Pseudococcus adonitum, and Phyllocnistis citrella. T
aurantii [citrus aphid ] has the highest occurrence in all the orchard visited
with the percentage of [94.3%,95.0%,92.0% and 93.1%] respectively. In Bende
citrus orchard P demodocus was second in abundance with the percentage of
[5.4%]. While in Umudike sites Z variegatus was second in abundance with
percentage of[3.8%,5.0%, and 5.2%]respectively. T aurantii and Z variegatus
were the major insect pest of citrus in Umudike town, while T aurantii and P
demodocus were the major pest of citrus in Bende town. The infestation of these
insect pest mentioned above causes reduction in both value and quality of the
trees.
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EZINNE, C (2023). A Survey On The Insect Pests Of Orange (Citrus Rutaceae) In Some Selected Plots In Abia State. Mouau.afribary.org: Retrieved Dec 23, 2024, from https://repository.mouau.edu.ng/work/view/a-survey-on-the-insect-pests-of-orange-citrus-rutaceae-in-some-selected-plots-in-abia-state-7-2
CHINAZA, EZINNE. "A Survey On The Insect Pests Of Orange (Citrus Rutaceae) In Some Selected Plots In Abia State" Mouau.afribary.org. Mouau.afribary.org, 10 Aug. 2023, https://repository.mouau.edu.ng/work/view/a-survey-on-the-insect-pests-of-orange-citrus-rutaceae-in-some-selected-plots-in-abia-state-7-2. Accessed 23 Dec. 2024.
CHINAZA, EZINNE. "A Survey On The Insect Pests Of Orange (Citrus Rutaceae) In Some Selected Plots In Abia State". Mouau.afribary.org, Mouau.afribary.org, 10 Aug. 2023. Web. 23 Dec. 2024. < https://repository.mouau.edu.ng/work/view/a-survey-on-the-insect-pests-of-orange-citrus-rutaceae-in-some-selected-plots-in-abia-state-7-2 >.
CHINAZA, EZINNE. "A Survey On The Insect Pests Of Orange (Citrus Rutaceae) In Some Selected Plots In Abia State" Mouau.afribary.org (2023). Accessed 23 Dec. 2024. https://repository.mouau.edu.ng/work/view/a-survey-on-the-insect-pests-of-orange-citrus-rutaceae-in-some-selected-plots-in-abia-state-7-2