Multiple resistance-activating substances produced by Humicola phialophoroides isolated from soil for control of Phytophthora blight of pepper

Botanical Studies

Table 7 Time required for development of resistance on pepper leaves against Phytophthora capsici induced by the mycelium extract of Humicola phialophoroides KVF-2 B6 ^a

Inoculation time after extract treatment (h)	Infection rate (%)	Lesion size (mm)^b
0	80	10 a
2	80	9 a
4	20	2 b
8	20	1 b
16	10	2 b
32	10	2 b
Control (water)	90	10 a

^aExtract was spread on five test circles on each of the two leaves three times within 1 h and inoculation was performed on each circle after 24 h.
^bValues followed by the same letter are not significantly different using Fisher’s least significant difference test at P = 0.05.