Effects of N fertilization on yield for low-input production in Spanish what landraces ( Triticum tugidum L. and Triticum monococcum L.)

Ruiz Valcárcel, Magdalena; Aguiriano Labandibar, Edurne y Carrillo Becerril, Jose Maria (2008). Effects of N fertilization on yield for low-input production in Spanish what landraces ( Triticum tugidum L. and Triticum monococcum L.). "Plant Breeding", v. 127 (n. 1); pp. 20-23. ISSN 0179-9541. https://doi.org/10.1111/j.1439-0523.2007.01406.x.

Descripción

Título: Effects of N fertilization on yield for low-input production in Spanish what landraces ( Triticum tugidum L. and Triticum monococcum L.)
Autor/es:
  • Ruiz Valcárcel, Magdalena
  • Aguiriano Labandibar, Edurne
  • Carrillo Becerril, Jose Maria
Tipo de Documento: Artículo
Título de Revista/Publicación: Plant Breeding
Fecha: Febrero 2008
Volumen: 127
Materias:
Palabras Clave Informales: Triticum turgidum ssp. durum — landraces — low-input — nitrogen — wheat — yield — core subset.
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Biotecnologia [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

A core subset of Spanish durum wheat landraces was evaluated at two nitrogen levels (80 and 220 kg/ha) to identify landrace genotypes adapted to low N production. Yield differences were statistically significant between N levels and among genotypes at both levels. Fiftyone per cent of the landraces yielded significantly more at low than at high N (low-N varieties) while 26% had a positive (high-N varieties) and 23% an indifferent (indifferent-N varieties) response to N fertilizer. No significant agromorphological differences were found among low and high-N varieties at low N level that conferred some advantage to low-N varieties. In contrast, high-N varieties possessed longer grain-filling period under high N level. Phenological characters showed an important influence on yield and on the performance of the varieties within each subgroup. The traits affecting grain yield most positively, mainly the low-N varieties, were long filling period and earliness. Five entries were selected for prebreeding to low N adaptation.

Más información

ID de Registro: 2412
Identificador DC: http://oa.upm.es/2412/
Identificador OAI: oai:oa.upm.es:2412
Identificador DOI: 10.1111/j.1439-0523.2007.01406.x
URL Oficial: http://www3.interscience.wiley.com/journal/119400234/issue
Depositado por: Memoria Investigacion
Depositado el: 01 Mar 2010 12:06
Ultima Modificación: 20 Abr 2016 12:07
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