Claim · model-written summary
Aphis gossypii numbers in 2022 were 281,386, and 500 individuals per 40 leaves at the peaks.
- Taxon
- navel orange
Citrus sinensise0 - Interactor
- Aphis gossypii
Aphis gossypiie1pest - Outcome
- numberse3
- Value
- 281,386, and 500 individualse3
Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aphis gossypii and Aphis citricola are the two main species of aphid discovered on navel orange plants”
e1“In the two seasons of the study, there were three abundance peaks of Aphis gossypii”
e3“In 2021, the numbers recorded in the third week in April and May, as well as the second week in June were 370, 450and 454 individuals/40 leaves and recorded 281,386, and 500 individualsduring the first and fourth weeks of April and the fourth week of May in 2022, respectively”
Title
EFFICACY OF CERTAIN PREDATORS IN CONTROLLING APHIDS ON NAVEL ORANGE TREES
Ahmed Saleh; Heba A. Ismail; E.A. Refaei; et al. Zagazig Journal of Agricultural Research 2023. doi:10.21608/zjar.2023.313654
Other claims from this paper (16)
- Observation Aphis gossypii had three abundance peaks in both seasons on navel orange.
- Observation Aphis citricola had two abundance peaks in both seasons on navel orange.
- Observation Aphis gossypii numbers in 2021 were 370, 450 and 454 individuals per 40 leaves at the peaks.
- Observation Aphis citricola abundance peaked at 181 and 98 individuals per 40 leaves in 2021 on navel orange.
- Observation Aphis citricola abundance peaked at 245 and 295 individuals per 40 leaves in 2022 on navel orange.
- Observation Aphis gossypii and Aphis citricola were the two main aphid species on navel orange.
- Observation Coccinellids, chrysopids and hoverflies were the most common predators on navel orange trees.
- Observation Predators recorded two peaks on navel orange in the first season, at 73 and 77 predators per 40 leaves.
- Observation Predators recorded two peaks on navel orange in the second season, at 83 and 88 predators per 40 leaves.
- Observation Paederus alfierii and true spiders were the most common predators caught on navel orange trees.
- Observation C. undecimpunctata took 23.49 ± 1.40 days to develop from egg hatching to adult exclusion.
- Observation C. carnea took 25.01 ± 2.63 days to develop from egg hatching to adult exclusion.
- Observation C. undecimpunctata larvae had a total consumption rate of 567.50 ± 6.90 when fed on Aphis gossypii.
- Observation C. carnea larvae had a total consumption rate of 587.63 ± 9.27 when fed on Aphis gossypii.
- Observation C. undecimpunctata females laid about 315.85±5.17 eggs during their larval stages.
- Observation C. carnea females laid about 321.52±6.19 eggs during their larval stages.