140 
The Philippine Journal of Science 
1921 
Table 6. — Showing degree of canker affection of trees in Plat III of the 
College of Agriculture citrus planting at Los Banos — Continued. 
Species. 
Leaves affected. 
August, 1917. 
August, 1918. 
Citrus limonia — Continued. 
Per cent. 
Number. 
Per cent. 
Number. 
Do 
5 
5 
Do 
5 
0 
0 
Do 
2 
0 
0 
2 
0 
0 
Do 
2 
5 
Do 
1 
4 
Do 
20 
2 
Do . 
20 
0 
0 
Do 
30 
9 
Do 
25 
5 
Citrus hystrix 
0 
0 
0 
0 
Do. _ 
0 
0 
0 
0 
Do 
0 
0 
0 
0 
Do 
8 
0 
0 
3 
0 
0 
Do 
2 
0 
0 
Do 
1 
0 
0 
Do . . .... 
3 
0 
0 
Do 
2 
16 
1 
25 
Do.... . 
2 
1 
Do . 
1 
11 
0 
0 
6 
Do 
0 
0 
0 
0 
Do . . 
4 
0 
0 
Do 
0 
0 
0 
0 
40 
0 
0 
Do 
50 
9 
Do 
50 
1 
Do _ _ 
50 
1 
Do 
0 
0 
0 
0 
Citrus medica 
0 
0 
0 
0 
2 
8 
Do 
5 
17 
Do 
40 
11 
Do 
5 
1 
25 
25 
Do _ 
2 
4 
Do 
6 
27 
Do 
0 
0 
7 
Do 
34 
0 
0 
Do 
5 
3 
Do 
30 
0 
0 
Do 
3 
5 
Do 
2 
27 
Do 
2 
7 
5 
0 
0 
• Do 
0 
0 
0 
0 
Do 
0 
0 
0 
0 
