EPPO Global Database

EPPO Reporting Service no. 04 - 1990 Num. article: 1990/02

Distribution of citrus tristeza closterovirus in Neareastern Countries


Report RAB/86/018 of UNDP/FAO on 'Fruit Crop Sanitation in the Mediterranean and Near East Region - Status and Requirements' provides details of the distribution of citrus tristeza closterovirus (EPPO A2 list) in 13 Neareastern countries:


Albania        - not recorded, but only very limited surveys done

Algeria        - recorded in 1950s on Meyer lemon, no spread, a few infected trees may remain

Cyprus        - recorded in 1950s on Meyer lemon and Cecily grapefruit, destroyed; found in 4 out of·62 citrus cultlvars in 1960s, eliminated; (little spread; present situation
         uncertain

Egypt        - present on a few trees of imported cultivars, not spreading

Iraq        - not recorded

Jordan        - suspected in areas adjoining Israel

Libya        - absent; suspected infections found in 1970s probably severe attacks of Spiroplasma citri

Morocco        - found on Meyer lemon in 1960s; eradication of Meyer lemon obligatory; a few infected trees may remain

Syria        - not recorded

Tunisia        - not currently recorded; infection of Meyer (lemon in 1950s, since eradicated

Turkey        - locally on satsuma grafted on Poncirus trifollata in western area; no spread

Yemen Arab Republic        - not recorded

Yemen PDR        - suspected



The report, prepared by Prof. Salibe, Sao Paulo (BR) also includes similar details on other viruses, viroids, MLOs of citrus and Spiroplasma citri in the countries concerned.



Sources

UNDP/FAO Report RAB/86/018