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	Provedor de dados Ciencia e Investigación Agraria (2) Autor Schwember,Andrés R (2) Schulthess,Albert (1) Palavra-chave Backcrossing (1) Bt crops (1) Durum wheat (1) Gene flow (1) Genetically modified crops (1) Glyphosate (1) Golden Rice (1) Grain yellow pigment content (1) Herbicide-tolerant crops (1) Improved color (1) Marker-assisted selection (1) PSY1A (1) PSY1B (1) Transgenic crops (1) Mais... Tipo do documento Journal article (2) Ano 2013 (1) 2008 (1) País Chile (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Improving durum wheat (Triticum turgidum L. var durum) grain yellow pigment content through plant breeding Ciencia e Investigación Agraria Schulthess,Albert; Schwember,Andrés R. A. Schulthess, and A.R. Schwember. 2013. Improving durum wheat (Triticum turgidum L. var durum) grain yellow pigment content through plant breeding. Cien Inv. 40(3): 475-490. Wheat grain yellow pigment content (GYPC) is an important trait that determines pasta quality. The main objective of this review is to examine the genetics regulating GYPC to enhance it through breeding, leading to improved pasta quality. Although GYPC is a polygenic trait, its high heritability has facilitated breeding internationally. GYPC is influenced by one or two major loci with additive effects plus several minor genes, and there is evidence showing that the phytoene synthase loci PSY1A and PSY1B are strong candidate genes that regulate GYPC. Nine Chilean durum wheat (Triticum... Tipo: Journal article Palavras-chave: Durum wheat; Grain yellow pigment content; Improved color; PSY1A; PSY1B; Backcrossing; Marker-assisted selection. Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202013000300002 An update on genetically modified crops Ciencia e Investigación Agraria Schwember,Andrés R. A. R. Schwember. 2008. An update on genetically modified crops. Cien. Inv. Agr. 35(3):231-250. Genetically modified (GM) crops were introduced in the mid 1990s and two principal transgenic technologies currently domínate the market, herbicide-tolerant (HT) crops and insect-resistant crops (Bacillus thuringiensis (Bt) crops). HT crops have simplified weed management practices, reduced crop production costs, and have had positive effects on the environment. However, there are concerns about the potential development of weeds resistant to glyphosate, the main herbicide employed with HT crops. A second major worry associated with the use of HT crops is the potential introgression of genes from GM crops into wild relatives (i.e. gene flow) and its potential... Tipo: Journal article Palavras-chave: Bt crops; Gene flow; Genetically modified crops; Glyphosate; Golden Rice; Herbicide-tolerant crops; Transgenic crops. Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202008000300001 Registros recuperados: 2 Primeira ... 1 ... Última

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