Actual percentage
visual percentage
0.37
1
1.87
5
3.7
10
7.4
20
11.1
30
14.8
40
18.5
50
22.2
60
25.9
70
29.6
80
33.3
90
37.0
100
Table 1:
The actual percent and visual percentage through considering combination of pustule size and distribution of severity of rust disease [19].