Response of grapevine leaves to Plasmopara viticola infection by means of measurement of reflectance and fluorescence signals.

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43510%2F12%3A00194287" target="_blank" >RIV/62156489:43510/12:00194287 - isvavai.cz</a>

Alternative codes found

RIV/67179843:_____/12:00426673

Result on the web

<a href="http://www.mendelu.cz/dok_server/slozka.pl?id=57208;download=107138" target="_blank" >http://www.mendelu.cz/dok_server/slozka.pl?id=57208;download=107138</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Response of grapevine leaves to Plasmopara viticola infection by means of measurement of reflectance and fluorescence signals.

Original language description

Response of grapevine leaf tissue naturally infected by Plasmopara viticola in field was measured by means of chlorophyll fluorescence and reflectance signals. Three susceptible grapevine varieties (Cabernet Sauvignon, Pinot Blanc and Pinot Gris) were used in this study. Since the infection impairs photosynthetic activity, distribution of FV/FM parameter (maximum quantum yield of Photosystem II) over the leaf was effective to discriminate healthy and naturally infected leaf tissue. FV/FM was reduced ~ 25% in all infected leaf parts. Infected leaf spots expressed significantly altered chlorophyll fluorescence induction kinetics expressing much slower electron transport rate both on donor and acceptor site of PSII. Vegetation reflectance indices followedthe variations in pigment content after the fungal infection. Among others, R750/R700 (R2 = 0.877) and CRI (R2 = 0.735) were the most potent to follow changes in chlorophylls and carotenoids contents, respectively. Infected leaf tissue e

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CE - Biochemistry

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2012

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis

ISSN

1211-8516

e-ISSN

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Volume of the periodical

60

Issue of the periodical within the volume

8

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

10

Pages from-to

229-238

UT code for WoS article

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EID of the result in the Scopus database

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