Watermelon chlorotic stunt virus (WmCSV): a serious disease threatening watermelon production in Jordan.

The incidence of watermelon chlorotic stunt disease and the molecular characterization of the Jordanian isolate of Watermelon chlorotic stunt virus (WmCSV-[JO]) are described in this study. Symptomatic leaf samples obtained from watermelon (Citrullus lanatus Thunb.), melon (Cucumis melo L.

An efficient in vitro-inoculation method for Tomato yellow leaf curl virus.

Background: Tomato yellow leaf curl virus (TYLCV) is a member of the family Geminiviridae, genus Begomovirus. To test the infectivity of TYLCV in tomato plants, an improved protocol for inoculation of in vitro-cultured tomato plants was developed.

Results: A TYLCV isolate was cloned, sequenced and used to construct a 1.