Test results of IgG specificity and immunostrip sensitivity for rapid diagnosis of Telosma mosaic virus (TeMV-Pangda15) in passion fruit. Upper left: A piece of nitrocellulose
membrane showing positive reaction of gold labeled IgG with TeMV-Pangda15 infected plant sap (middle spot) without cross reaction with TBS grinding buffer or healthy sap.
Lower left: Sap application into sample well of a test kit. Right: Four immunostrips exhibited test (T) and control (C) lines after healthy (H) and diseased (D) sap application for
3 min.