About: Prospects of selection for barley seed vigour as a precondition for stand emergence under dry condition

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Study evaluated a segregating population of doubled-haploid lines and malting varieties for seed vigour tested at a low temperature of 10°C and under drought stress of -0.2 MPa and -0.5 MPa. The vigour of the dihaploid lines from six variants (3 years x 2 localities) was compared with four germination parameters obtained under the optimum thermal and moisture conditions The vigour of seeds of four spring varieties of malting barley and their mutual 12 combinations was assessed in two variants (1 year x 2 locations). Higher precipitation sums in June and July, i.e. shortly before harvest, were reflected in a decreased vigour (r = -0.777 and r = -0.721). Higher air temperatures during the period of April -- July increased the vigour significantly (r = 0.741). Correlation between the vigour and the germination parameters (r = 0.454 -- 0.539) was higher than in case of these germination parameters and the germination capacity (r = 0.266 -- 0.351). The relationship between the vigour of parents and their progenies (r = 0.894) was significant. The results showed that barley seed vigour is a polygenic trait affecting the field emergence and malting quality. The increased vigor can be successfully achieved with traditional breeding methods. Study evaluated a segregating population of doubled-haploid lines and malting varieties for seed vigour tested at a low temperature of 10°C and under drought stress of -0.2 MPa and -0.5 MPa. The vigour of the dihaploid lines from six variants (3 years x 2 localities) was compared with four germination parameters obtained under the optimum thermal and moisture conditions The vigour of seeds of four spring varieties of malting barley and their mutual 12 combinations was assessed in two variants (1 year x 2 locations). Higher precipitation sums in June and July, i.e. shortly before harvest, were reflected in a decreased vigour (r = -0.777 and r = -0.721). Higher air temperatures during the period of April -- July increased the vigour significantly (r = 0.741). Correlation between the vigour and the germination parameters (r = 0.454 -- 0.539) was higher than in case of these germination parameters and the germination capacity (r = 0.266 -- 0.351). The relationship between the vigour of parents and their progenies (r = 0.894) was significant. The results showed that barley seed vigour is a polygenic trait affecting the field emergence and malting quality. The increased vigor can be successfully achieved with traditional breeding methods. (en)
Title	Prospects of selection for barley seed vigour as a precondition for stand emergence under dry condition Prospects of selection for barley seed vigour as a precondition for stand emergence under dry condition (en)
skos:prefLabel	Prospects of selection for barley seed vigour as a precondition for stand emergence under dry condition Prospects of selection for barley seed vigour as a precondition for stand emergence under dry condition (en)
skos:notation	RIV/62156489:43210/13:00205241!RIV14-MSM-43210___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Ullmannová, Kamila Středa, Tomáš
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	Mendelova univerzita v Brně / Agronomická fakulta
http://linked.open...dnocenehoVysledku	100459
http://linked.open...ai/riv/idVysledku	RIV/62156489:43210/13:00205241
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	environment; germination; drought stress; heritability; cold stress (en)
http://linked.open.../riv/klicoveSlovo	drought stress heritability environment germination cold stress
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[4F27FBD65A1E]
http://linked.open...i/riv/nazevZdroje	Kvasný průmysl
http://linked.open...in/vavai/riv/obor	GE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	59
http://linked.open...iv/tvurceVysledku	Středa, Tomáš Ullmannová, Kamila Bodner, Gernot
issn	0023-5830
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	43210

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