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BRS TR271 - a high grain yield and super-early wheat cultivar
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Caierão, Eduardo

; Castro, Ricardo Lima de

; Scheeren, Pedro Luiz

; Eichelberger, Luiz

; Pires, João Leonardo Fernandes

; Guarienti, Eliana Maria

; Miranda, Martha Zavariz de

; Lau, Douglas

; Santana, Flavio Martins

; Costamilan, Leila

; Lima, Maria Imaculada

; Cunha, Gilberto Rocca da

; Nascimento Junior, Alfredo do

Crop Breeding and Applied Biotechnology

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2022, Volume 22 N. 4 elocation e43502245

Abstract: En | Text: En | PDF: En

Abstract BRS TR271 is a new wheat cultivar released by Embrapa for Brazilian wheat-growing regions 1 and 2 of Rio Grande do Sul, Santa Catarina, and Paraná. It has high grain yield potential and a super-early cycle. It is widely adapted and is classified as bread wheat.

https://doi.org/10.1590/1984-70332022v22n4c40

A century of wheat breeding in Brazil: the origin and inheritance of the Lr34 locus in wheat varieties released from 1922 to 2016
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Chaves, Márcia Soares

; Silva, Gerarda Beatriz Pinto da

; Caierão, Eduardo

; Federizzi, Luiz Carlos

; Martinelli, José Antônio

Crop Breeding and Applied Biotechnology

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2020, Volume 20 N. 2 elocation e27952027

Abstract: En | Text: En | PDF: En

Abstract Wheat breeding in Brazil began in 1919. A cross between the varieties Fronteira and Mentana gave rise to Frontana, the most popular ever released, being recommended for more than 40 years. Frontana played an important role as a source of resistance to leaf and stripe rust as well as resistance to pre-harvest sprouting. Possessing an early maturity cycle, it contributed to change the predominant varietal pattern at that time. The resistance gene Lr34 was first described in Frontana. The gene confers durable adult plant resistance to leaf rust and other biotrophic fungi. Because of its durability, stability across environments, haplotype diversity and wide geographical distribution, Lr34 is probably the most important single resistance gene in wheat. We evaluated 453 wheat varieties that have been released or recommended for cultivation in Brazil from 1922 to 2016 using KASPar markers to detect those varieties carrying the diagnostic mutations corresponding to the presence of the Lr34 resistance allele.

https://doi.org/10.1590/1984-70332020v20n2a23 573 downloads

BRS 331 - Early cycle double-haploid wheat cultivar
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Scheeren, Pedro Luiz

; Caierão, Eduardo

; Silva, Márcio Só e

; Eichelberger, Luiz

; Nascimento Júnior, Alfredo do

; Guarienti, Eliana Maria

; Miranda, Martha Zavariz de

; Castro, Ricardo Lima de

; Costamilan, Leila

; Santana, Flávio Martins

; Maciel, João Leodato Nunes

; Lima¹, Maria Imaculada Pontes Moreira

; Pires, João Leonardo Fernandes

; Lau, Douglas

; Pereira, Paulo Roberto Valle da Silva

; Cunha, Gilberto Rocca da

Crop Breeding and Applied Biotechnology

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mar 2017, Volume 17 N. 1 Pages 63 - 66

Abstract: En | Text: En | PDF: En

Abstract The wheat cultivar ‘BRS 331’ was developed by Embrapa. It results from an interspecific cross between wheat and maize by double-hapolid method. ‘BRS 331’ shows solid stem in the base of the plant, short leaves and super-early cycle to maturity. It is classified as bread wheat in all of the regions that is recommended in the States of Rio Grande do Sul, Paraná and Santa Catarina, Brazil.

https://doi.org/10.1590/1984-70332017v17n1c10 716 downloads

Número ideal de amostras para classificação comercial de cultivares de trigo no Brasil
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Castro, Ricardo Lima de

; Caierão, Eduardo

; Silva, Márcio Só e

; Scheeren, Pedro Luiz

; Guarienti, Eliana Maria

; Miranda, Martha Zavariz de

Pesquisa Agropecuária Brasileira

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jul 2016, Volume 51 N. 7 Pages 809 - 817

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo: O objetivo deste trabalho foi estimar o número ideal de amostras, para a classificação comercial de cultivares de trigo (Triticum aestivum) quanto à média de força de glúten, no Rio Grande do Sul e no Paraná, principais estados produtores de trigo do Brasil. Resultados de análises de alveografia de amostras de grãos, provenientes de ensaios de competição de três cultivares de trigo (até 280 ensaios, em 11 anos), foram utilizados. O número ideal de amostras foi estimado com base nas propriedades da distribuição amostral da média, por região de adaptação, nos estados do Rio Grande do Sul e do Paraná. O número ideal variou de 13 a 22, 30 a 49, e 121 a 197 amostras por estado, respectivamente, para a margem de erro de 30, 20 e 10 unidades de força de glúten (W), com, no mínimo, 7, 16 e 63 amostras por região de adaptação e por estado, para a margem de erro de 30, 20 e 10 W, respectivamente. O número ideal de amostras para a classificação comercial de cultivares de trigo, no Rio Grande do Sul e no Paraná, é no mínimo de 13 amostras, por estado, e 7 de amostras, por região de adaptação e por estado, para a margem de erro de 30 W, valores que são superiores aos utilizados para a classificação pelos obtentores.

Abstract: The objective of this work was to estimate the optimal number of samples for commercial classification of wheat (Triticum aestivum) cultivars for gluten strength average, in the states of Rio Grande do Sul and Paraná, the main wheat producing regions in Brazil. The alveography analysis results of grain samples, from competition assays of three wheat cultivars (up to 280 experiments in 11 years), were used. The optimal number of samples was estimated based on the properties of the mean sampling distribution by adaptation region, in the states of Rio Grande do Sul and Paraná. The optimal number ranged from 13 to 22, 30 to 49, and 121 to 197 samples per state, respectively, for to error margin of 30, 20, and 10 gluten strength units (W), with minimum of 7, 16, and 63 samples per adaptation region and per state for error margin of 30, 20 and 10 W, respectively. The optimal number of samples for commercial classification of wheat cultivars, in the states of Rio Grande do Sul and Paraná, is of at least 13 samples per state and of 7 samples per adaptation region and per state for error margin of 30 W, which are higher values than those used by breeders for classification.

https://doi.org/10.1590/S0100-204X2016000700003 1555 downloads

BRS 404 - wheat cultivar for rainfed conditions
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Silva, Márcio Só e

; Albrecht, Júlio Cesar

; Soares Sobrinho, Joaquim

; Moresco, Edina

; Chagas, Jorge

; Caierão, Eduardo

; Scheeren, Pedro Luiz

; Castro, Ricardo Lima de

; Cargnin, Adeliano

; Miranda, Marta Zavaiz de

; Guarienti, Eliana Maria

; Eichelberger, Luiz

; Nascimento Jr, Alfredo do

; Ito, Márcio Akira

; Santana, Flávio Martins

; Yamanaka, Celso Ideo

; Bráz, Antônio Joaquim Braga Pereira

Crop Breeding and Applied Biotechnology

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mar 2016, Volume 16 N. 1 Pages 71 - 73

Abstract: En | Text: En | PDF: En

Abstract BRS 404 is a new wheat cultivar developed by Embrapa, indicated for rainfed conditions. It has a particularly good performance under heat and drought conditions. The grain yield is stable and BRS 404 is classified as bread wheat.

https://doi.org/10.1590/1984-70332016v16n1c11 858 downloads

Resultados agronômicos e qualitativos da nova cultivar de trigo 'BRS Marcante'
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Caierão, Eduardo

; Silva, Márcio Só e

; Scheeren, Pedro Luiz

; Castro, Ricardo Lima de

; Eichelberger, Luiz

; Nascimento Junior, Alfredo do

; Guarienti, Eliana Maria

; Miranda, Martha Zavariz de

; Pires, João Leonardo Fernandes

; Maciel, João Leodato Nunes

; Chaves, Márcia Soares

; Santana, Flávio Martins

; Costamilan, Leila

; Lima, Maria Imaculada Pontes Moreira

; Lau, Douglas

; Pereira, Paulo Roberto Valle da Silva

; Silva Júnior, José Pereira da

; Wiethölter, Sirio

; Cunha, Gilberto Rocca da

Ciência Rural

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apr 2015, Volume 45 N. 4 Pages 644 - 646

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

A cultivar de trigo 'BRS Marcante' foi desenvolvida pela Embrapa, envolvendo um híbrido F1 do cruzamento entre as linhagens PF 980533 e PF 970227 com a cultivar 'BRS Guamirim', realizado em telado, na Embrapa Trigo, no inverno de 2003. As gerações segregantes foram conduzidas pelo método genealógico e a linhagem resultante, nomeada de PF 080310. A cultivar caracteriza-se pela sua ampla capacidade de adaptação às condições de cultivo do sul do Brasil, pelo bom potencial de rendimento de grãos e qualidade industrial da classe Pão

The wheat cultivar 'BRS Marcante' was developed by Embrapa, as a result a cross between F1 hybrid between lines PF 980533 and PF 970227 with 'BRS Guamirim' and carried out in a green-house of Embrapa Wheat, on 2003 winter season. The segregate generations were conducted by genealogic method and the genotype resulted was named PF 080310. It has wide adaptation ability to south Brazilian conditions, high grain yield potential and belongs to Bread Class

https://doi.org/10.1590/0103-8478cr20140838 1746 downloads

BRS Harmonia - triticale cultivar
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Nascimento Junior, Alfredo do

; Bassoi, Manoel Carlos

; Silva, Márcio Só e

; Caierão, Eduardo

; Miranda, Martha Zavariz de

Crop Breeding and Applied Biotechnology

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mar 2015, Volume 15 N. 1 Pages 40 - 42

Abstract: En | Text: En | PDF: En

The triticale cultivar BRS Harmonia has moderate resistance to leaf rust, is outstanding in grain yield and quality, and its flour is suitable for cookie baking. It is an excellent alternative as winter crop for the different grain production systems in south-central Brazil.

https://doi.org/10.1590/1984-70332015v15n1c6 1037 downloads

History of wheat cultivars released by Embrapa in forty years of research
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Caierão, Eduardo

; Scheeren, Pedro Luiz

; Silva, Márcio Só e

; Castro, Ricardo Lima de

Crop Breeding and Applied Biotechnology

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dec 2014, Volume 14 N. 4 Pages 216 - 223

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Em quarenta anos de melhoramento genético de trigo, a Embrapa (Empresa Brasileira de Pesquisa Agropecuária) desenvolveu mais de uma centena de novas cultivares, para diferentes regiões do Brasil. Com muita frequência, os melhoristas da Embrapa são demandados por informações de identificação dessas cultivares. As informações de ano de lançamento, nomenclatura de linhagem pré-comercial, cruzamento e unidade da empresa responsável pela indicação nem sempre são de fácil acesso além de estarem dispersas em diferentes documentos. O objetivo do trabalho foi realizar um levantamento histórico de todas as cultivares de trigo lançadas pela Embrapa. Desde 1974, a Embrapa lançou 112 cultivares de trigo, sendo 12 pelo Centro Nacional de Pesquisa de Soja - CNPSo (Londrina, PR), 14 pelo Centro de Pesquisa Agropecuária do Cerrado - CPAC (Brasília, DF), 9 pelo Centro de Pesquisa Agropecuária Oeste - CPAO (Dourados, MS) e 77 pelo Centro Nacional de Pesquisa de Trigo - CNPT (Passo Fundo, RS).

In forty years of genetic breeding of wheat, Embrapa (Brazilian Agricultural Research Corporation) has developed over a hundred new cultivars for different regions of Brazil. Information regarding identification of these cultivars is often requested from Embrapa breeders. Data on year of release, name of pre-commercial line, the cross made, and the company unit responsible for indication of the cultivar are not always easily accessible and are often scattered throughout different documents. The aim of this study was to conduct a historical survey of all the wheat cultivars released by Embrapa, aggregating the information in a single document. Since 1974, Embrapa has released 112 wheat cultivars, including 12 by Embrapa Soybean - CNPSo (Londrina, PR), 14 by Embrapa Cerrado - CPAC (Brasília, DF), 9 by Embrapa Agropecuária Oeste - CPAO (Dourados, MS), and 77 by Embrapa Wheat - CNPT (Passo Fundo, RS).

https://doi.org/10.1590/1984-70332014v14n4a3 1344 downloads Cited 3 times in SciELO

BRS Progresso - Rye cultivar
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Nascimento Junior, Alfredo do

; Caierão, Eduardo

; De Mori, Claudia

Crop Breeding and Applied Biotechnology

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oct 2014, Volume 14 N. 3 Pages 207 - 208

Abstract: En | Text: En | PDF: En

The rye cultivar BRS Progresso, developed by the Brazilian AgriculturalResearch Corporation (Embrapa), is the result of a synthetic cross of 18open-pollinated, self-incompatible lines, resistant to stem rust.

https://doi.org/10.1590/1984-70332014v14n3a32 1048 downloads

10.

BRS 328 - Double haploid bread wheat cultivar
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Scheeren, Pedro Luiz

; Caetano, Vanderlei da Rosa

; Caierão, Eduardo

; Silva, Márcio Só e

; Nascimento Jr., Alfredo do

; Eichelberger, Luiz

; Miranda, Marta Zavaiz de

; Brammer, Sandra Patussi

Crop Breeding and Applied Biotechnology

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mar 2014, Volume 14 N. 1 Pages 65 - 67

Abstract: En | Text: En | PDF: En

The wheat cultivar 'BRS 328' was developed by Embrapa from a cross between KleinH3394 and PF 990744. The pre-harvest sprouting resistance of 'BRS 328' is good and the grain yield high. It is classified as bread wheat cultivar in all regions where it is recommended for cultivation.

1111 downloads Cited 3 times in SciELO

11.

Uso do germoplasma da Embrapa nos programas de melhoramento de trigo no Brasil
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Caierão, Eduardo

; Scheeren, Pedro Luiz

; Silva, Márcio Só e

; Castro, Ricardo Lima de

; Cargnin, Adeliano

Ciência Rural

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jan 2014, Volume 44 N. 1 Pages 57 - 63

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O programa de melhoramento genético de trigo da Embrapa tem papel importante na história da triticultura brasileira, tendo dado origem a mais de 100 novas cultivares para as diferentes regiões do Brasil, ao longo dos quase 40 anos de existência. Entretanto, não se pode atribuir sua importância somente ao número de cultivares criadas, mas também ao impacto de seu germoplasma nos programas de melhoramento genético de outras instituições. O trabalho teve como objetivo quantificar a importância do germoplasma da Embrapa nos programas de melhoramento genético de trigo no Brasil. Foram analisadas as genealogias de todas as cultivares de trigo indicadas para cultivo no País, no período de 2005 a 2012, por obtentor vegetal. No período estudado, a média de participação do germoplasma da Embrapa nas cultivares de outros obtentores é de 58,7%, com destaque para a Biotrigo Genética, a CCGL TEC e OR Melhoramento de Sementes Ltda, respectivamente, com média de uso de 100,0%, 97,5% e 87,7%.

The wheat breeding program of Embrapa has an important role in the history of this cereal in Brazil, releasing more than one hundred new cultivars to different regions of the country in almost forty years of existence. However, is not possible assign its importance only to the number of cultivars, but also the impact of their germplasm in other brazilian wheat breeding programs. The objective of this study was to quantify the importance of Embrapa's germplasm in the brazilian wheat breeding programs. Were analyzed the genealogies of all wheat cultivars indicated for growth since 2005 and 2012, by institution. During the study period, the average participation of Embrapa's germplasm on cultivars of other institutions was 58.7%, with emphasis to Biotrigo Genética, CCGL TEC and OR Melhoramento de Sementes Ltda, respectively, in which use was 100%, 97.5% and 87.7%.

2748 downloads

12.

BRS 374 - wheat cultivar
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Caierão, Eduardo

; Só e Silva, Márcio

; Scheeren, Pedro Luiz

; Eichelberger, Luiz

; Nascimento Júnior, Alfredo do

; Guarienti, Eliana Maria

; Miranda, Martha Zavariz de

; Costamilan, Leila

; Santana, Flávio Martins

; Maciel, João Leodato Nunes

; Pires, João Leonardo

; Lau, Douglas

; Pereira, Paulo Roberto

; Cargnin, Adeliano

; Castro, Ricardo Lima de

Crop Breeding and Applied Biotechnology

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oct 2013, Volume 13 N. 3 Pages 212 - 214

Abstract: En | Text: En | PDF: En

BRS 374 is a wheat cultivar developed by Embrapa. It resulted from a cross between the F1 generation of PF 88618/Coker80.33 and Frontana/Karl. BRS 374 belongs to the soft wheat class, has a low plant height, a high potential grain yield, and white flour.

885 downloads Cited 3 times in SciELO

13.

Parental selection of wheat lines based on phenotypic characterization and genetic diversity
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Casassola, Alice

; Brammer, Sandra Patussi

; Chaves, Márcia Soares

; Wiethölter, Paula

; Caierão, Eduardo

Crop Breeding and Applied Biotechnology

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mar 2013, Volume 13 N. 1 Pages 49 - 58

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Seleção de parentais é uma etapa importante no melhoramento e a variabilidade genética aumenta as chances de obtenção de variância nas progênies. Os objetivos deste estudo foram fenotipar 29 genótipos de trigo e determinar a variabilidade genética entre eles, visando identificar potenciais parentais para uso nos programas de melhoramento da Embrapa Trigo. Para a fenotipagem, caracteres estatura de planta, ciclo e características dos grãos foram avaliados e os dados analisados pela distância Euclidiana. A distância genética foi estimada utilizando 97 marcadores moleculares microsatélites e os dados analisados pelo coeficiente Nei72. A distância média observada pela fenotipagem foi 10.1 e a distância genética 31%. Os marcadores SSR foram eficientes na seleção de genótipos geneticamente diversos apesar da similaridade fenotípica a as linhagens PF 9027, PF 950351, PF 030132, PF 979002, PF 040488 e IWT 04019 podem ser utilizadas como parentais em cruzamentos induzidos considerando variabilidade genética associada a caracteres agronômicos adequados.

Parental selection is an important step in breeding programs, and genetic variability increases the chances of obtaining variance in progenies. The objectives of this study were to phenotype 29 wheat genotypes and determine the genetic variability among them, in order to identify potential parental lines for breeding programs at Embrapa Wheat. For phenotyping, traits such as plant height, cycle and grains characteristics were assessed and the data were analyzed by the Euclidean distance. The genetic distance was estimated using 97 microsatellite molecular markers and the data were analyzed by Nei72 coefficient. The average distance observed for phenotyping was 10.1, and the genetic distance was 31 %. SSR markers were efficient for selecting genetically diverse genotypes despite their phenotypic similarity, and lines PF 9027, PF 950351, PF 030132, PF 979002, PF 040488 and IWT 04019 can be used as parental for future crosses, since they have genetic diversity and suitable agronomic traits.

4935 downloads

14.

Desempenho agronômico de trigo cultivado para grãos e duplo propósito em sistemas de integração lavoura-pecuária
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Santos, Henrique Pereira dos

; Fontaneli, Renato Serena

; Caierão, Eduardo

; Spera, Silvio Tulio

; Vargas, Leandro

Pesquisa Agropecuária Brasileira

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oct 2011, Volume 46 N. 10 Pages 1206 - 1213

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O objetivo deste trabalho foi avaliar a produtividade e os componentes de produção de trigo cultivado para grãos e duplo propósito em sistemas de integração lavoura-pecuária (ILP), em plantio direto. A produtividade de grãos dos dois tipos de trigo e os componentes de produção do trigo para produção de grãos foram avaliados nos anos agrícolas de 2003 a 2008, em um Latossolo Vermelho distrófico típico, em Coxilha, RS, nos sistemas de rotação: 1, trigo/soja e ervilhaca/milho; 2, trigo/soja e pastagem de aveia-preta/milho; 3, trigo/soja e pastagem de aveia-preta/soja; 4, trigo/soja e ervilha/milho; 5, trigo/soja, triticale de duplo propósito/soja e ervilhaca/soja; e 6, trigo/soja, aveia-branca de duplo propósito/soja e trigo de duplo propósito/soja. Utilizou-se o delineamento de blocos ao acaso, com quatro repetições. Não houve diferença entre as médias dos componentes de produção (número de espigas, número de grãos por espiga e massa de grãos) do trigo para produção de grãos, nos diferentes sistemas ILP. Os sistemas 2, 3, 4 e 5 proporcionaram maior produtividade do trigo para grãos em comparação ao 6. Não há diferença significativa na produtividade de grãos, na massa hectolítrica e na massa de mil grãos, entre os trigos cultivados para produção de grãos e para duplo propósito.

The objective of this work was to assess yield and yield components of wheat cultivated for grain production and for dual-purpose under no-tillage crop-livestock integration systems (CLIS). Grain yield of the two wheat types and yield components for the grain type were evaluated in the 2003 to 2008 growing seasons, in a Rhodic Hapludox, in Coxilha, RS, Brazil, in the following systems: 1, wheat/soybean and common vetch/corn; 2, wheat/soybean and black oat pasture/corn; 3, wheat/soybean and black oat pasture/soybean; 4, wheat/soybean and field pea/corn; 5, wheat/soybean, dual-purpose triticale/soybean, and common vetch/soybean; and 6, wheat/soybean, dual-purpose white oat/soybean, and dual-purpose wheat/soybean. A randomized complete block design, with four replicates, was used. There were no differences between CLIS in yield components (number of spikes, number of grains per spike, and grain mass) of wheat for grain production in differentes CLIS. The systems 2, 3, 4, and 5 showed higher yield of the grain-type wheat in comparison to 6. There are no significant differences in grain yield, hectoliter weight, and weight of 1,000 kernels between wheat cultivated for grain production and for dual-purpose.

3123 downloads

15.

BRS Saturno triticale cultivar
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Nascimento Junior, Alfredo do

; Silva, Márcio Só e

; Caierão, Eduardo

; Scheeren, Pedro Luiz

Crop Breeding and Applied Biotechnology

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sep 2011, Volume 11 N. 3 Pages 286 - 288

Abstract: En | Text: En | PDF: En

The triticale cultivar BRS Saturno was developed by Embrapa (Brazilian Agricultural Research Corporation) in partnership with the Fundação Pró-Sementes de Apoio à Pesquisa. It is the result of a cross between the genotypes PFT 512 and CEP 28 Guará, adapted to the environmental conditions of cultivation in southern Brazil.

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