Schematic diagram of rapid immune-gold strip format. Legends: 1. Absorption pad, 2. Nitrocellulose membrane, 3. Protein A as a
control line, 4. Virus detection line, 5. Conjugate pad containing a mixture of colloidal-gold labeled IgG raised against TBSV, 6.
Sample pad. Direction of sample flow was indicated as an arrow at the bottom