Fig. 2

Yellow mosaic symptoms on Yardlong bean; (A). Immune (B). Resistant (C). Moderately resistant (D). Moderately susceptible (E). Susceptible (F). Highly susceptible.
Yellow mosaic symptoms on Yardlong bean; (A). Immune (B). Resistant (C). Moderately resistant (D). Moderately susceptible (E). Susceptible (F). Highly susceptible.