Virusul temperat al crizantemei de ghirlande

Virusul temperat al crizantemei de ghirlande - Garland chrysanthemum temperate virus, GCTV, Alphacryptovirus, Partiviridae, (Ref. Pop, 2009, TVV, IV, 139). A fost descoperit prima data la Chrysanthemum coronarium in Japonia (Natsuaki s.a., 1983, Ann. Phytopath. Soc. Japan 49, 593), plantele infectate natural nemanifestand simptome externe. Virusul se transmite numai prin samanta. Virionii sunt izometrici, de 30 nm in diametru (Boccardo s.a., 1987).