Table 2 Jassid grade index
Grades (G) | Symptoms |
|---|---|
G1 | Leaves free from crinkling or with no yellowing, bronzing and drying |
G2 | Few leaves on lower portions of the plant curling, crinkling and slight yellowing |
G3 | Crinkling and curling all over, yellowing, bronzing and browning in the middle and lower portion, plant growth hampered |
G4 | Extreme curling, yellowing, bronzing and browning, drying of leaves and defoliation, stunted growth |