Antimicrobial peptide. Active against fungal species B.cinerea (IC(50)=5.2 uM), A.niger (IC(50)=2.6 uM) and B.sorokinina (IC(50)=5.2 uM) but not against F.oxysporum, F.graminearum and P.debaryanum at concentrations below 10 uM. Inhibits growth of P.infestans at concentration between 1.3 uM and 5.2 uM. Active against bacterial species P.syringae, B.subtilis, X.campestris and C.michiganense. Expressed in flowers but not in leaves, seeds or roots (at protein level). Disulfide bonds.