Consulta: subjectFacets:"Chenopodium quinoa"
Registros recuperados: 9
Data/hora: 11/06/2024 10:01:55

Characterization of the acetohydroxyacid synthase multigene family in the tetraploide plant Chenopodium quinoa
Provedor de dados: Electronic Journal of Biotechnology
Autores: Mestanza,Camilo; Riegel,Ricardo; Silva,Herman; Vásquez,Santiago C.
Background Currently, the technology called Clearfield® is used in the development of crops resistant to herbicides that inhibit the enzyme acetohydroxy acid synthase (AHAS, EC 2.2.1.6). AHAS is the first enzyme of the biosynthetic pathway that produces the branched-chain of the essential amino acids valine, leucine, and isoleucine. Therefore, multiple copies of the AHAS gene might be of interest for breeding programs targeting herbicide resistance. In this work, the characterization of the AHAS gene was accomplished for the Chenopodium quinoa Regalona-Baer cultivar. Cloning, sequencing, and Southern blotting were conducted to determine the number of gene copies. Results The presence of multiple copies of the AHAS gene as has been shown previously in...
Tipo: Journal article
Palavras-chave: Acetohydroxyacid synthase; Acetolactate synthase; Chenopodium quinoa; Homeologous pairing; Gene duplication.
Ano: 2015
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582015000600002

Piaburu: a quinoa brasileira que chegou para diversificar a safrinha.
Provedor de dados: Informação Tecnológica em Agricultura (Infoteca-e)
Autores: SPEHAR, C. R.
bitstream/CPAC-2010/21285/1/art-019.pdf
Tipo: Artigo de divulgação na mídia (INFOTECA-E)
Palavras-chave: Cultivar BRS Piabiru; Savanna.; Cerrado; Quinoa; Chenopodium quinoa; Brazil; Chenopodium.
Ano: 2001
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/564856

Agronomic performance of quinoa selected in the Brazilian Savannah
Provedor de dados: Pesquisa Agropecuária Brasileira
Autores: Spehar,Carlos Roberto; Santos,Roberto Lorena de Barros.
Twenty six breeding lines, selected from individual plant progenies of hybrids among varieties Amarilla de Marangani, Blanca de Junín, Chewecca, Faro 4, Improved Baer, Kancolla, Real, and Salares-Roja, had their agronomic characters evaluated, in Planaltina, DF, Brazil (15º36'S and 47º12'W), 1,000 masl, in randomized complete blocks, on a Ferralsol, previously limed and fertilized. Grain yield was positively associated with plant height, inflorescence length and diameter, and plant cycle. Genetic gain can be attained by selection based in these characters for commercial production of quinoa in tropical regions.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chenopodium quinoa; Breeding line; Selection; Yield; Cerrado.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2005000600012

Amaranth, quinoa, and millet growth and development under different water regimes in the Brazilian Cerrado
Provedor de dados: Pesquisa Agropecuária Brasileira
Autores: Jayme-Oliveira,Adilson; Ribeiro Júnior,Walter Quadros; Ramos,Maria Lucrécia Gerosa; Ziviani,Adley Camargo; Jakelaitis,Adriano.
Abstract: The objective of this work was to evaluate the growth dynamics of the cover plants amaranth (Amaranthus cruentus), quinoa (Chenopodium quinoa), and millet (Pennisetum glaucum) in a Typic Acrustox, under different water regimes in the Brazilian Cerrado. The cultivation was carried out in the winter, with reduced rainfall, which facilitated the application of varying irrigation depths to the different crops. Water regimes denominated lower, lower middle, upper middle, and upper - corresponding to 217, 386, 563, and 647 mm water depths, respectively - were tested by means of an irrigation bar composed of sprinklers with different flow rates. Plant growth was quantified by weekly collections. Amaranth was the most responsive plant to water. Quinoa...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amaranthus cruentus; Chenopodium quinoa; Pennisetum glaucum; Oxisol; Water stress.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017000800561

Multivariate analysis using a discriminant method for evaluating the techniques of weed management in soybean crop
Provedor de dados: Planta Daninha
Autores: Bianchini,Alexandre; V.D. Moraes,Pedro; J. Longhi,Solon; F. Adami,Paulo; Rossi,Patricia; V. Batista,Vanderson.
Abstract  Background: The analysis of information generated from experiments involving different treatments, can be done by multivariate statistical analysis techniques, such as discriminant analysis, to analyze data obtained from predefined groups.  Objective: Verify, through discriminant analysis, the differences among cover crop (Avena strigosa, Chenopodium quinoa, Cichorium intybus, and fallow land) treatments with respect to main crop soybean yield.  Methods: For weed control, these cover crops were subjected to different management techniques, namely mowing, the application of glyphosate or the application of paraquat. The experimental design consisted of completely randomized blocks in a 4 × 3 × 2 factorial scheme, with four replications, consisting...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Soil cover; Avena strigose; Chenopodium quinoa; Cichorium intybus; Allelopathy; Analysis discriminating.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582020000100326

Divergência genética entre genótipos de quinoa quanto a crescimento morfológico e caracteres da panícula
Provedor de dados: Revista Scientia Agraria Paranaensis
Autores: de Oliveira, Giovani Andreazza; de Vasconcelos, Edmar Soares; Achre, Diandra.
This study aimed to identify and select genotypes of quinoa (Chenopodium quinoa) with greater genetic distance between them, to compose groups of crossing. For both genotypes were evaluated two distinct populations of Chenopodium quinoa (Cherry Vanilla and Brilliant Rainbow), 15 quantitative characteristics being evaluated to determine the genetic distance and formation of groups with similar plants. The grouping was done by the method of neighbor furthest from the standardized mean euclidean distances, which allowed the division of 44 genotypes into three distinct groups. The crossing were those recommended involving genetic distance greater genotypes, genotype example 22 (group 1, Brilliant population belonging to Rainbow) genotype 34 (third group,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chenopodium quinoa; Brilliant Rainbow; Cherry Vanilla; Distância genética; Melhoramento genético.
Ano: 2014
URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/9574

Microorganismos eficaces y Trichoderma sp. en el biocontrol de mildiu (Peronospora variabilis) en cultivo de quinua
Provedor de dados: Acta Agronómica
Autores: Leon Ttacca,Betsabe; Mendoza Coari,Paul Pascual; Palao Iturregui,Luis Alfredo.
Resumen Los cultivos de quinua en el altiplano peruano se ven afectados por la enfermedad de mildiu, que puede causar pérdidas de hasta el 90 % de la producción. El objetivo de este estudio es evaluar el efecto de cepas de Trichoderma sp. y microorganismos eficaces (ME) en el control del mildiu y rendimiento de la quinua. En el terreno experimental del Centro Internacional de la Papa (CIP), Camacani de la Universidad Nacional del Altiplano del departamento de Puno, en la campaña agrícola 2016-2017, se sembraron semillas control y otras paletizadas con ocho tratamientos: cuatro cepas de Trichoderma sp., tres dosis de ME (5 %, 10 % y 15 %) y una mezcla de las cepas de Trichoderma sp. y ME (15 %), posteriormente se realizaron cuatro aplicaciones foliares de...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Patógeno; Control biológico; Chenopodium quinoa; Rendimiento; Microorganismos eficaces.
Ano: 2021
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122021000400380

Quinoa and flaxseed: potential ingredients in the production of bread with functional quality
Provedor de dados: Brazilian Archives of Biology and Technology
Autores: Calderelli,Valéria Alcântara Santos; Benassi,Marta de Toledo; Visentainer,Jesuí Vergílio; Matioli,Graciette.
The objective of this work was to compare the physicochemical characteristics of quinoa and flaxseed bread. Sensory acceptance, color and texture were also appraised. They showed appropriate balances between their content of polyunsaturated and saturated fatty acids and low levels of trans fatty acids. Flaxseed bread had larger amounts of mono and polyunsaturated fatty acids, omega-6 and omega-3, as well as a more balanced omega-6/omega-3 ratio. Quinoa bread, on the other hand, had the advantage of presenting smaller contents of saturated fatty acids. With regard to color and texture, quinoa bread had similar characteristics to the flaxseed bread. The quinoa bread was well accepted by the consumers, who expressed high interest in buying it.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fatty acids; Chenopodium quinoa; Linum usitatissimum; Functional food.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000400029

Influence of contrasting environments on seed composition of two quinoa genotypes: nutritional and functional properties
Provedor de dados: Chilean Journal of Agricultural Research
Autores: Miranda,Margarita; Vega-Gálvez,Antonio; Martínez,Enrique A; López,Jéssica; Marín,Rosa; Aranda,Mario; Fuentes,Francisco.
Quinoa (Chenopodium quinoa Willd.) in Chile represents a source of germplasm with high nutritional value. However, there is little information available related to quinoa seed quality grown under contrasting environments. In this study we evaluated the changes on seed composition of seeds of two lowland/coastal quinoa genotypes grown under arid (Vicuna) and cold-temperate (Temuco) conditions in Chile. Results showed that in the case of 'Regalona Baer' and 'Villarrica' genotypes the arid location (with irrigation) led to a significant increase (P &lt; 0.05) in grain yield (4.2 and 5.1 t ha-1, respectively), soluble dietary fiber (16.8 ± 0.4 and 28.9 ± 2.1 g kg-1 DM, respectively), vitamin B3 (2.44 ± 0.005 and 2.26 ± 0.04 mg 100 g-1 DM, respectively),...
Tipo: Journal article
Palavras-chave: Chenopodium quinoa; Climate stress; Antioxidant activity; Phenolic compounds; Protein; Mineral content.
Ano: 2013
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000200004