Table 2.

Symptoms and infectivity on host plants inoculated with the original virus isolate (WMV-IS-me2) and the WMV infectious clone (pWMV-M)

Province	WMV-IS-me2 (wild-type)		pWMV-M (clone)
	Symptoms	No. of plants infected/no. of plants inoculated	Symptoms	No. of plants infected/no. of plants inoculated
Cucumis melo (melon)	M, VB, VC	3/3	M	2/3
Cucurbita pepo (zucchini)	M, VB	3/3	M	2/3
Citrullus lanatus (watermelon)	M, VB, VC	3/3	MM	2/3
Nicotiana benthamina	-	-	MM	2/3

Symptoms: M, mosaic; MM, mild mosaic; VB, vein banding; VC, vein chlorosis; -, not tested.

WMV, watermelon mosaic virus.