Figure 1. Comparison of canker disease development in ‘Meiwa’ and ‘Newhall’.

(A) Leaves of ‘Meiwa’ and ‘Newhall’ were pinprick-inoculated with citrus canker bacterium and periodically observed within 7 d, and the pictures were taken at 5 and 7 days post inoculation (DPI). (B) Quantitative comparison of the bacterial population at the inoculation sites of ‘Meiwa’ and ‘Newhall’ leaves after 6 days inoculation.