HEALTH STATUS OF THE OLIVE TREE (OLEA EUROPAEA L) IN THE MOUNTAINS OF WESTERN TRARAS (TLEMCEN ? ALGERIA)

Its location in the Western and Northern Algeria with a Mediterranean climate and limestone end olive remained as the main fruit species grown in the mountains of Western Traras recent years. The development and progression of disease problems (pests, diseases) the Olive drew attention and caused concern among some farmers. Investigations and surveys in the area of Bab El Assa and Marsa Ben M'hidi led to an initial list of insects and fungi that can disturb this precious species in these two regions. However in this article, we will limit to present the main pests and a major fungal disease knows this species. The purpose of this study is twofold, first, to describe and analyze the symptoms and secondly, to highlight the role of pest problems in the decline of the olive tree, and on its production in order to establish the health check of our groves, knowing synecological no research had been conducted in this area in the region.