In potted plant tests, 6.0 and 3.0
l
g/L Xcn1 inhibited
blight disease development 7 days after inoculation with
P. infestans
, exhibiting an average reduction in disease of
80.27 and 70.53% compared with control, respectively.
This was slightly lower than that of the chemical fungicide
Metalaxy (Table
4
), indicating that Xcn1 is able to sup-
press lesion expansion and reduce disease severity in
potato leaves