Certain factors associated with blister blight resistance in Camellia sinensis (L.) O. Kuntze

The role played by certain factors, physical barriers and chitinase enzyme, associated with blister blight resistance in tea was investigated. The blister blight resistance of the tea clone SA-6 was due to higher amounts of epicuticular wax and increased thickness of cuticle/epidermal layer, functio...

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Veröffentlicht in:Physiological and molecular plant pathology 2005-12, Vol.67 (6), p.291-295
Hauptverfasser: Jeyaramraja, P.R., Pius, P.K., Manian, S., Nithya Meenakshi, S.
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container_start_page 291
container_title Physiological and molecular plant pathology
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creator Jeyaramraja, P.R.
Pius, P.K.
Manian, S.
Nithya Meenakshi, S.
description The role played by certain factors, physical barriers and chitinase enzyme, associated with blister blight resistance in tea was investigated. The blister blight resistance of the tea clone SA-6 was due to higher amounts of epicuticular wax and increased thickness of cuticle/epidermal layer, functioning as physical barriers to hyphal penetration of Exobasidium vexans. Higher quantum of chitinase in intercellular spaces of palisade tissues was observed in the resistant clone SA-6 through immunolocalization study. Both chitinase assay as well as western blotting studies confirmed that the constitutive level of chitinase expression was higher in the resistant clone when compared with the susceptible tea clone.
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subjects Biological and medical sciences
Camellia sinensis
Constitutive expression
Disease resistance
Fundamental and applied biological sciences. Psychology
Inducible expression
Inter-cellular localization
Phytopathology. Animal pests. Plant and forest protection
Tea
title Certain factors associated with blister blight resistance in Camellia sinensis (L.) O. Kuntze
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