From: Multiple resistance-activating substances produced by Humicola phialophoroides isolated from soil for control of Phytophthora blight of pepper
Zoospre concentration (no./test circle)
Infection rate (%)
Lesion size (mm)b
5 (original)
0
0 c
10
20
2 b
1 b
40
Control (water)
100
15 a