author(s)
Shokri Ayad Halila

abstract
The Study was conducted on 600 Trees of Three Types of Orange, in the Juddaim area, in the City of Zawiya. Chemical Control is the Common Method for Controlling Fruit Flies. The Chemical Pesticide Dimethoate was used as the primary pesticide, along with another pesticide, Cyperkill. The first Spraying process took place with the Chemical Pesticide Dimethoate on August 1, 2023, Coinciding With the achievement of an Orange Fruit size equal to 0.333 of the actual size at maturity, until November 15, 2023, with a spraying frequency every 15 days. It was also fumigated with another pesticide, Cyperkill, and there were two fumigations, the first fumigation was on 11/10/2023 and the Second on 12/1/2023. The ripening period of the Navel Oranges Was in December, while that of the Sweet and Tarocco Oranges was In January. In the last Stage, which is the Fruit harvesting stage, we see Minor infections by this parasite, especially in the Fruits of the Bush Orange, and to a lesser extent in the Tarocco, and the least in the Fruits of the Sweet Orange. The flowering period is early March. The ripening period of the Navel Oranges was in mid-December, while that of the Tarocco and Sweet Oranges was in January.