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J Agric Food Chem ; 52(21): 6414-7, 2004 Oct 20.
Artículo en Inglés | MEDLINE | ID: mdl-15479000

RESUMEN

The antifungal activity of the essential oil of the aerial parts of Bupleurum gibraltarium was evaluated against Plasmopara halstedii. Fungus spores were inoculated in sunflower seedlings, previously treated with several essential oil solutions, and the sporulation percentage was measured after an 11-day treatment. The oil at a concentration of 5.0 mL/L clearly inhibited the fungus sporulation. The contact between fungus sporangia and essential oil was minimized, so it seems that the oil pretreatment could activate the defense response of the sunflower seedlings against the pathogen invasion. The main compounds in the oil were sabinene (31.1%), alpha-pinene (15.6%), and 2,3,4-trimethylbenzaldehyde (10.9%), among a total of 65 components identified.


Asunto(s)
Bupleurum/química , Hongos/efectos de los fármacos , Fungicidas Industriales/farmacología , Helianthus/microbiología , Aceites Volátiles/farmacología , Oomicetos/efectos de los fármacos
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