Varying Xcn1 concentrations were diluted and tested for
mycelial growth inhibition of five
Phytophthora
species.
Results showed increasing antifungal activity with increasing Xcn1 concentration. Log concentration of Xcn1 was
used as abscissa and mycelial growth inhibition was used as
ordinate; linear regression equation was obtained for each
tested pathogenic fungal species (Table
2
). Results showed
a linear relationship between the log concentration of Xcn1
and mycelial growth inhibition. According to linear
regression, EC
50
values were calculated, with results rang-
ing from 0.25 to 4.17
l
g/L, displaying high antifungal
activity against five species of
Phytophthora
. However,
because
P. infestans
is a very important pathogen of tomato,
and potato late blight diseases causes serious economic
losses in China, it was selected for further research.
Varying Xcn1 concentrations were diluted and tested for
mycelial growth inhibition of five
Phytophthora
species.
Results showed increasing antifungal activity with increasing Xcn1 concentration. Log concentration of Xcn1 was
used as abscissa and mycelial growth inhibition was used as
ordinate; linear regression equation was obtained for each
tested pathogenic fungal species (Table
2
). Results showed
a linear relationship between the log concentration of Xcn1
and mycelial growth inhibition. According to linear
regression, EC
50
values were calculated, with results rang-
ing from 0.25 to 4.17
l
g/L, displaying high antifungal
activity against five species of
Phytophthora
. However,
because
P. infestans
is a very important pathogen of tomato,
and potato late blight diseases causes serious economic
losses in China, it was selected for further research.
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