About: SPAD chlorophyll meter reading can be pronouncedly affected by chloroplast movement

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About: SPAD chlorophyll meter reading can be pronouncedly affected by chloroplast movement Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Non-destructive assessment of chlorophyll content has recently been widely done by chlorophyll meters based on measurement of leaf transmittance. However, the leaf transmittance depends not only on the content of chlorophylls but also on their distribution in leaves. The chlorophyll distribution within leaves is co-determined by chloroplast arrangement in cells that depends on light conditions. When tobacco leaves were exposed to a strong blue light (about 340 umol of photons m-2 s-1), a very pronounced increase in the leaf transmittance was observed as chloroplasts migrated from face position to side position (along cell walls parallel to the incoming light) and the SPAD reading decreased markedly. This effect was more pronounced in the leaves of young tobacco plants compared with old ones ? the difference between SPAD values in face and side position reached even about 35%. It is shown how the chloroplast movement changes a relationship between the SPAD readings and real chlorophyll content. Non-destructive assessment of chlorophyll content has recently been widely done by chlorophyll meters based on measurement of leaf transmittance. However, the leaf transmittance depends not only on the content of chlorophylls but also on their distribution in leaves. The chlorophyll distribution within leaves is co-determined by chloroplast arrangement in cells that depends on light conditions. When tobacco leaves were exposed to a strong blue light (about 340 umol of photons m-2 s-1), a very pronounced increase in the leaf transmittance was observed as chloroplasts migrated from face position to side position (along cell walls parallel to the incoming light) and the SPAD reading decreased markedly. This effect was more pronounced in the leaves of young tobacco plants compared with old ones ? the difference between SPAD values in face and side position reached even about 35%. It is shown how the chloroplast movement changes a relationship between the SPAD readings and real chlorophyll content. (en)
Title	SPAD chlorophyll meter reading can be pronouncedly affected by chloroplast movement SPAD chlorophyll meter reading can be pronouncedly affected by chloroplast movement (en)
skos:prefLabel	SPAD chlorophyll meter reading can be pronouncedly affected by chloroplast movement SPAD chlorophyll meter reading can be pronouncedly affected by chloroplast movement (en)
skos:notation	RIV/61989592:15310/10:10216921!RIV11-GA0-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP501/10/0785), P(GD522/08/H003), Z(MSM6198959215)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Nauš, Jan Prokopová, Jitka Špundová, Martina
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	288937
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/10:10216921
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SPAD meter; leaf transmittance; chloroplast movement; chlorophyll content (en)
http://linked.open.../riv/klicoveSlovo	chlorophyll content SPAD meter chloroplast movement leaf transmittance
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[67265EA5B938]
http://linked.open...i/riv/nazevZdroje	Photosynthesis Research
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Integration of doctoral studies in biochemistry, plant physiology and biophysics Study of the blue light-less sensitive 7B-1 mutant: gaining new insights on the blue light-induced de-etiolation in tomato (Solanum lycopersicum L.)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	105
http://linked.open...iv/tvurceVysledku	Nauš, Jan Špundová, Martina Řebíček, Jiří PROKOPOVÁ, Jitka
http://linked.open...ain/vavai/riv/wos	000282844100008
http://linked.open...n/vavai/riv/zamer	Variabilita složek a interakcí v rostlinném patosystému a vliv faktorů prostředí na jejich projev
issn	0166-8595
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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