Fig. 4From: Combined application of Ascophyllum nodosum extract and chitosan synergistically activates host-defense of peas against powdery mildewAscophyllum nodosum extract and chitosan induced hypersensitive response against powdery mildew pathogen.  a CHT (chitosan 100 ppm) b ANE (A. nodosum extract 0.015%) c ANE + CHT d Control (sterile distilled water)Back to article page