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Print version ISSN 0100-5405
VIGO, Sandra Cristina; MARINGONI, Antonio Carlos; CAMARA, Renata de Cássia and LIMA, Giuseppina P.P.. Ação de tinturas e óleos essenciais de plantas medicinais sobre o crestamento bacteriano comum do feijoeiro e na produção de proteínas de indução de resistência. Summa phytopathol. [online]. 2009, vol.35, n.4, pp. 293-304. ISSN 0100-5405. http://dx.doi.org/10.1590/S0100-54052009000400007.
Additionally to resistance inducers, the exploitation of secondary compounds biological activity present in plants alcohol extracts or essential oils could potential way to control diseases in cultivated plants. This aimed to evaluate the potential of Lippia alba, Lippia sidoides, Mikania glomerata, Equisetum sp. and Hedera helix alcohol extracts and, Rosmarinus officinalis and Cinnamomum zeylanicum essential oils on in vitro and in vivo activity, and protein production on resistance induction in snap beans Bragança cultivar. Results showed in vitro activity against Xanthomonas axonopodis pv. phaseoli for L. alba and L. sidoides extracts, and essential oils. Although all alcohol extracts have showed the lowest area under the disease progress curve (AUPDC) values compared to control treatment, L. alba extract must be highlighted due to its correlation to the highest poliphenoloxidases, peroxidases and total soluble proteins values which evidences a possible resistance induction. Essential oils did not show difference on AUPDC nor protein induction.
Keywords : Phaseolus vulgaris; Xanthomonas axonopodis pv; phaseoli; acquired systemic resistance; medicinal plant; secondary metabolites; natural pesticides.