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Table 12 Resistance activation ability of fractions 1 to 5 from silica gel column chromatography of mycelium extract of Humicola phialophoroides KVF-2 B6 eluted with a mixture of hexane and acetone (8:2), against Phytophthora blight of pepper caused by Phytophthora capsici a

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

Fraction no. Infection rate (%) Lesion size (mm)
1 0 0
2 30 5
3 0 0
4 0 0
5 70 7
Water (control) 100 15
  1. aEach eluent 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.