Key points at Third Arab Congress of Plant Protection, El Ain (United Arab Emirates),1988-12-05/09
Citrus diseases
The importance of the threat of Xanthomonas campestris pv. citri to Arab and Mediterranean countries was stressed. It already occurs in Saudi Arabia, United Arab Emirates, and Yemen Arab Republic (EPPO Reporting Service 462). Citrus greening bacterium presents an equally great threat. In addition to its recorded occurrence in Saudi Arabia and Yemen Arab Republic; it has now been recorded, with its vector Trioza erytreae in People's Democratic Republic of Yemen. ·
Bayoud disease
Still restricted to Algeria and Morocco, Fusarium oxysporum f.sp. albedinis (EPPO A2 list) presents a major threat to the dategrowing countries of the Eastern Mediterranean and Near East.
Workshop on Fruit Crop Improvement in Arab Countries
A workshop was organized on fruit tree sanitation, with the main emphasis on virus and virus-like diseases of citrus, grapevine and Prunus, and on the maintenance of healthy planting material and establishment of certification schemes. Many of the details presented have been published in UNDP/FAO Report RAB/86/018 on 'Fruit Crop Sanitation in the Mediterranean and Near East Region status and requirements' (see EPPO Reporting Service nos 504/02, 504/03, 504/04).
Tomato yellow leaf curl geminivirus
This virus, already noted as a serious problem (EPPO Reporting Service 503/07), transmitted by Bemisia tabaci (EPPO A2 list) is widespread in the Near East and currently causes very severe problems on irrigated tomato and pepper crops throughout the area.
Sources
Third Arab Congress of Plant Protection