Integrated management to control olive leaves fly on the west - north coast in Egypt. | ||
| Al-Azhar Journal of Agricultural Research | ||
| Articles in Press, Accepted Manuscript, Available Online from 14 September 2025 | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ajar.2025.413803.1452 | ||
| Author | ||
| Essam Ahmed Ali* | ||
| Plant protection Department, Desert Research Center | ||
| Abstract | ||
| The olive leaf gall midge (Dasineura oleae) is a gall-inducing insect on leaves, branches and stems of flowers of olive trees. Heavy infestation with the insect causes significant reduction in olive production. The present study discussed the different control measures that may be applied against D. oleae. The program is mainly relying on application of the efficacy of chemical insecticides (Saydon 57% EC and Tolan 20%SP), bioinsecticides (Neem oil, Chili pepper and Wood vinegar) and traps (McPhail & yellow sticky) baits under pruning infested organs and without pruning system against infested leaves, Gall Midges, larvae and pupa infestations of the olive leaf gall midge insect through 2022 & 2023 seasons. From the previous results, it is concluded that the treatments of chemical, bioinsecticides, McPhail and yellow sticky traps with pruning infested organ system were more effective than without pruning. The level of infestation decreased in the second season (15.3, 17.0, 13.1 & 6.2) than in the first season (21.1, 23.2, 17.8 and 8.9), while the reduction percentage increased in the second season from 7 to 10% than in the first season. The previous results indicated that all treatments had at least 70.8% to 85.8% reduction of damaged leaves as bioinsecticides control 91.0 to 96.2% reduction of damaged leaves as chemical control and McPhail and yellow sticky traps from 63.7 to 82.3 when comparing with the untreated control. Integrated pest management has been promoted globally as an alternative approach to the widespread broad-spectrum chemical insecticidal application. | ||
| Keywords | ||
| Dasineura oleae; insecticide; traps; olive | ||
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