[1] Univ Jordan, Sch Agr, Dept Plant Protect, Amman, Jordan
[2] Southwest Univ, Citrus Res Inst, Natl Citrus Engn Res Ctr, Chongqing, Peoples R China
[3] CNR, Ist Protez Sostenibile Piante, Turin, Italy
[4] Univ Liege, Gembloux Agrobio Tech, Dept Plant Pathol, Gembloux, Belgium
[5] Flanders Res Inst Agr Fisheries & Food ILVO, Plant Sci, Merelbeke, Belgium