About: Effect of water deficit on sink strength of spring barley (Hordeum vulgare L.) ears

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aim of the experiment with modern varieties of spring barley, Malz and Jersey, and an old variety, Valticky, was to assess the impact of water stress on yield characteristics of ears. Plants were grown in greenhouse conditions in two variants fully watered plants and plants with reduced watering for a 10 days period from stage 31.DC. Water stress caused a weight loss in all varieties (Malz-22.5%, Jersey-35.7% and Valticky-45.8%) and drop of the number of grains in the ear (Malz-17.2%, Jersey-16.9% and Valticky-57.7%). Concurrently, the proportion of fully developed grains on the top and the base of the ear was reduced. Only in the Malz variety was the reduced number of grains partially compensated by higher weight compared to the control in all parts of the ear. Transport of assimilates detected by combustion calorimetry was slowed by water deficit. Filling of the ears was thus extended until the end of ripening. This explains the increase in energy content in the ears up to the phase 91.DC in pl The aim of the experiment with modern varieties of spring barley, Malz and Jersey, and an old variety, Valticky, was to assess the impact of water stress on yield characteristics of ears. Plants were grown in greenhouse conditions in two variants fully watered plants and plants with reduced watering for a 10 days period from stage 31.DC. Water stress caused a weight loss in all varieties (Malz-22.5%, Jersey-35.7% and Valticky-45.8%) and drop of the number of grains in the ear (Malz-17.2%, Jersey-16.9% and Valticky-57.7%). Concurrently, the proportion of fully developed grains on the top and the base of the ear was reduced. Only in the Malz variety was the reduced number of grains partially compensated by higher weight compared to the control in all parts of the ear. Transport of assimilates detected by combustion calorimetry was slowed by water deficit. Filling of the ears was thus extended until the end of ripening. This explains the increase in energy content in the ears up to the phase 91.DC in pl (en)
Title	Effect of water deficit on sink strength of spring barley (Hordeum vulgare L.) ears Effect of water deficit on sink strength of spring barley (Hordeum vulgare L.) ears (en)
skos:prefLabel	Effect of water deficit on sink strength of spring barley (Hordeum vulgare L.) ears Effect of water deficit on sink strength of spring barley (Hordeum vulgare L.) ears (en)
skos:notation	RIV/60460709:41210/13:62019!RIV14-MSM-41210___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Martinková, Jaroslava Hnilička, František Hejnák, Václav
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	Česká zemědělská univerzita v Praze / Fakulta agrobiologie, potravinových a přírodních zdrojů
http://linked.open...dnocenehoVysledku	71833
http://linked.open...ai/riv/idVysledku	RIV/60460709:41210/13:62019
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Assimilates, barley, combustion calorimetry, grain, Hordeum vulgare L., water stress (en)
http://linked.open.../riv/klicoveSlovo	Assimilates combustion calorimetry barley grain Hordeum vulgare L. water stress
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[4E1DC4D9C715]
http://linked.open...i/riv/nazevZdroje	Research on Crops
http://linked.open...in/vavai/riv/obor	ED
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	14
http://linked.open...iv/tvurceVysledku	Hnilička, František Martinková, Jaroslava Hejnák, Václav
http://linked.open...ain/vavai/riv/wos	000318454400010
issn	0972-3226
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	41210

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