The accumulation of beta-ionone and 3-hydroxy esters of beta-ionone in tobacco immunized by foliar inoculation with tobacco mosaic virus

beta-Ionone and several 3-hydroxy esters of beta-ionone have been reported to have antifungal activity. Stem injection with beta-ionone mimics the effects of stem injection with Peronospora tabacina sporangiospores. Both induce systemic resistance to blue mold and accelerate the growth and flowering...

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Bibliographic Details
Published in:Phytopathology 1992-05, Vol.82 (5), p.580-582
Main Authors: Wyatt, S.E. (University of Kentucky, Lexington, KY), Kuc, J
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
APLICACION FOLIAR
APPLICATION FOLIAIRE
Biological and medical sciences
CETONAS
CETONE
COMPOSICION QUIMICA
COMPOSITION CHIMIQUE
ESTER
ESTERES
Fundamental and applied biological sciences. Psychology
Fungal plant pathogens
INJECTION
INYECCION
NICOTIANA TABACUM
Pathology, epidemiology, host-fungus relationships. Damages, economic importance
PERONOSPORA
Phytopathology. Animal pests. Plant and forest protection
RESISTANCE AUX MALADIES
RESISTANCE INDUITE
RESISTENCIA A LA ENFERMEDAD
RESISTENCIA INDUCIDA
TALLO
TIGE
VIRUS DE LA MOSAIQUE DU TABAC
VIRUS DEL MOSAICO DEL TABACO
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Summary:beta-Ionone and several 3-hydroxy esters of beta-ionone have been reported to have antifungal activity. Stem injection with beta-ionone mimics the effects of stem injection with Peronospora tabacina sporangiospores. Both induce systemic resistance to blue mold and accelerate the growth and flowering of the plant. Systemic resistance induced by foliar inoculation with tobacco mosaic virus is associated with increases in the endogenous levels of beta-ionone, 3-hydroxy-beta-ionone, 3-n-butyroyl-beta-ionone, and 3-acetoyl-beta-ionone in uninfected stem tissue. Further increases in 3-n-butyroyl-beta-ionone and 3-acetoyl-beta-ionone occurred in protected plants in response to challenge inoculation with P. tabacina
ISSN:0031-949X
1943-7684
DOI:10.1094/Phyto-82-580