Insect Vectors of Rice Yellow Mottle Virus

Figure 1

Standard evaluation system (SES) for RYMV symptoms. 1 = no symptoms, 3 = leaves green but with spare dots or streaks and less than 5% of height reduction, 5 = leaves green or pale green with mottling and 6 to 25% of height reduction, flowering slightly delayed, 7 = leaves pale yellow or yellow and 26–75% of height reduction, flowering delayed, and 9 = leaves turning yellow or yellow orange, more than 75% of height reduction, no flowering or some dead plants (adapted from [21, 29]).