Table 2.

Leaf injury grade	Symptoms	Score	Category/Reaction
I	No damage	< 1.00	Resistant (R)
II	Appearance of yellow chlorotic spots	1.01-1.50	Moderately Resistant (MR)
III	Starting of black sooty mold	1.51-2.50	Moderately Susceptible (MS)
IV	Severe blackening of leaves	2.51-3.50	Susceptible (S)
V	Complete drying of leaves	> 3.50	Highly Susceptible (HS)