Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)

The seedling vigor of 80 barley recombinant chromosome substitution lines (RCSLs) was measured for selecting high seedling vigor genotypes. The RCSLs were derived from a cross between H. vulgare subsp. spontaneum and H. vulgare subsp. vulgare 'Harrington'. The work was carried out under gr...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Inostroza,Luis, Quezada,Celerino, Inostroza,Wladimir, Matus,Iván, Tapia,Maritza, del Pozo,Alejandro
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2011
Materias:	Plant growth analysis relative growth rate net assimilation rate allometric coefficient
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202011000100013
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:scielo:S0718-16202011000100013
record_format	dspace
spelling	oai:scielo:S0718-162020110001000132011-08-18Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)Inostroza,LuisQuezada,CelerinoInostroza,WladimirMatus,IvánTapia,Maritzadel Pozo,Alejandro Plant growth analysis relative growth rate net assimilation rate allometric coefficient The seedling vigor of 80 barley recombinant chromosome substitution lines (RCSLs) was measured for selecting high seedling vigor genotypes. The RCSLs were derived from a cross between H. vulgare subsp. spontaneum and H. vulgare subsp. vulgare 'Harrington'. The work was carried out under greenhouse conditions during the summer of 2008. The experimental design was an alpha lattice with 3 replicates. In each replicate, 40 plants were established, distributed in eight polyethylene pots containing sand as substrate, which were fertilized an irrigated. The emergence of seedlings, number of leaves and shoots, dry matter of leaves, shoots and roots and leaf area of fully expanded leaves were measured. In addition, growth indices were calculated: emergence rate, leaf appearance rate, relative leaf expansion rate, relative growth rate (RGR), net assimilation rate (NAR), leaf area ratio (LAR) and the allometric coefficient (K) between root and shoot dry matter. All calculated indices varied significantly among genotypes (P≤0.05) and some RCSLs showed better early vigor associated traits than 'Harrington'. The dry matter accumulation 30 DAS (when the experiment ended) was significant and positively correlated with the RGR (r=0.61; P≤ 0.05) and NAR (r=0.41; P≤0.05). The K coefficient was negatively correlated with NAR (r=-0.40, P≤0.05). The genotypes with the greatest seminal vigor were the RCSLs 45, 92, 112 and 'Harrington', whereas the RCSLs 5, 19, 47 and 121 presented the lowest seminal vigor.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.38 n.1 20112011-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202011000100013en10.4067/S0718-16202011000100013
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Plant growth analysis relative growth rate net assimilation rate allometric coefficient
spellingShingle	Plant growth analysis relative growth rate net assimilation rate allometric coefficient Inostroza,Luis Quezada,Celerino Inostroza,Wladimir Matus,Iván Tapia,Maritza del Pozo,Alejandro Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)
description	The seedling vigor of 80 barley recombinant chromosome substitution lines (RCSLs) was measured for selecting high seedling vigor genotypes. The RCSLs were derived from a cross between H. vulgare subsp. spontaneum and H. vulgare subsp. vulgare 'Harrington'. The work was carried out under greenhouse conditions during the summer of 2008. The experimental design was an alpha lattice with 3 replicates. In each replicate, 40 plants were established, distributed in eight polyethylene pots containing sand as substrate, which were fertilized an irrigated. The emergence of seedlings, number of leaves and shoots, dry matter of leaves, shoots and roots and leaf area of fully expanded leaves were measured. In addition, growth indices were calculated: emergence rate, leaf appearance rate, relative leaf expansion rate, relative growth rate (RGR), net assimilation rate (NAR), leaf area ratio (LAR) and the allometric coefficient (K) between root and shoot dry matter. All calculated indices varied significantly among genotypes (P≤0.05) and some RCSLs showed better early vigor associated traits than 'Harrington'. The dry matter accumulation 30 DAS (when the experiment ended) was significant and positively correlated with the RGR (r=0.61; P≤ 0.05) and NAR (r=0.41; P≤0.05). The K coefficient was negatively correlated with NAR (r=-0.40, P≤0.05). The genotypes with the greatest seminal vigor were the RCSLs 45, 92, 112 and 'Harrington', whereas the RCSLs 5, 19, 47 and 121 presented the lowest seminal vigor.
author	Inostroza,Luis Quezada,Celerino Inostroza,Wladimir Matus,Iván Tapia,Maritza del Pozo,Alejandro
author_facet	Inostroza,Luis Quezada,Celerino Inostroza,Wladimir Matus,Iván Tapia,Maritza del Pozo,Alejandro
author_sort	Inostroza,Luis
title	Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)
title_short	Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)
title_full	Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)
title_fullStr	Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)
title_full_unstemmed	Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)
title_sort	seedling vigor variation among 80 recombinant chromosome substitution lines (rcsl) of barley (hordeum vulgare)
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2011
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202011000100013
work_keys_str_mv	AT inostrozaluis seedlingvigorvariationamong80recombinantchromosomesubstitutionlinesrcslofbarleyhordeumvulgare AT quezadacelerino seedlingvigorvariationamong80recombinantchromosomesubstitutionlinesrcslofbarleyhordeumvulgare AT inostrozawladimir seedlingvigorvariationamong80recombinantchromosomesubstitutionlinesrcslofbarleyhordeumvulgare AT matusivan seedlingvigorvariationamong80recombinantchromosomesubstitutionlinesrcslofbarleyhordeumvulgare AT tapiamaritza seedlingvigorvariationamong80recombinantchromosomesubstitutionlinesrcslofbarleyhordeumvulgare AT delpozoalejandro seedlingvigorvariationamong80recombinantchromosomesubstitutionlinesrcslofbarleyhordeumvulgare
_version_	1714202130218221568

Seedling vigor variation among 80 recombinant chromosome substitution lines (RCSL) of barley (Hordeum vulgare)

Ejemplares similares