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