1 | Chlorosis and necrosis of the midvein and smaller lateral veins. |
2 | Necrotic scorch of leaf tips and margins. |
3 | Chlorosis and necrosis of the interveinal regions of leaves. |
4a | Browning and bronzing of leaf margins, necrosis of entire leaf; wilting. |
5 | General, non-specific chlorotic and necrotic mottling of leaves; crown dieback. |