ملاحظات حقلية عن أمراض الحمضيات الموالح الفيروسية و الشبيهة بها في الجماهيرية اللليبية

Abstract EN

The total area planted with citrus trees in Libya is about 7000 hcctarcs.

and most of it is concentrated in the coastal western region.

Field survey of many citrus farms in this region, showed the presence of the follow ing citrus virus and virus-likc diseases based on disease symptoms: Psorosis (psorosis A.

concave gum.

blind pockct.

crinkle leaf and infectious variegation), flat stem, citrus cxocortis, cachcxia- xyloporosis.

woody gall of sweet orange, impietratuni.

citrus stubborn and autumn leaf drop.