Navegação Ciências Agrárias por Assunto "Grama-batatais"

Resultados 1-15 de 15

    • Caracterização espectral de Paspalum notatum em diferentes níveis de adubação nitrogenada 

      Fonseca, Eliana Lima da; Rosa, Luis Mauro Gonçalves; Fontana, Denise Cybis (2002) [Artigo de periódico]
      As propriedades espectrais da vegetação podem ser utilizadas para o monitoramento das condições de crescimento da vegetação ao longo do ano, assim como a estimativa da produtividade das espécies, por meio de técnicas de ...

    • Cytoembryological evaluation, meiotic behavior and pollen viability of Paspalum notatum tetraploidized plants 

      Krycki, Karine Cristina; Simioni, Carine; Dall'Agnol, Miguel (2016) [Artigo de periódico]
      This study evaluated the mode of reproduction, the meiotic behavior and the pollen viability of three tetraploid plants (2n=4x=40) originated from somatic chromosome duplication of Paspalum notatum plants. The plant WKS 3 ...

    • Forage yieldof tetraploid bahiagrass hybrids 

      Ghellar Júnior, Ilson; Antoniolli, Júlio; Krycki, Karine Cristina; Lima, Mariana de Oliveira; Weiler, Roberto Luis; Brunes, André Pich; Simioni, Carine; Dall'Agnol, Miguel (2022) [Artigo de periódico]
      In Southern Brazil, much of the livestock activity is developed in native grasslands. Studies about forage traits, frost tolerance and nutritional value of native forage species there has been increasing with better results ...

    • Genetic diversity of a Paspalum notatum Flügge germplasm collection 

      Fachinetto, Juliana Maria; Dall'Agnol, Miguel; Souza, Cleber Henrique Lopes de; Weiler, Roberto Luis; Simioni, Carine (2017) [Artigo de periódico]
      The objective of this study was to assess the genetic diversity among accessions of Paspalum notatum based on morphological marker traits and identify those morphological traits that contribute most to the variability among ...

    • Genetic parameters, prediction of gains and intraspecific hybrid selection of Paspalum notatum Flügge for forage using REML/BLUP 

      Silveira, Diógenes Cecchin; Machado, Juliana Medianeira; Motta, Eder Alexandre Minski da; Barbosa, Marlon Risso; Simioni, Carine; Weiler, Roberto Luis; Mills, Annamaria; Sampaio, Rodrigo; Brunes, André Pich; Dall'Agnol, Miguel (2022) [Artigo de periódico]
      Genetic improvement of native forage species is a sustainable alternative for maximizing livestock production. Paspalum notatum Flügge is the most important forage grass in the native grasslands of southern Brazil, with ...

    • Herbage accumulation of bahiagrass hybrids in two different environments in southern Brazil 

      Barbosa, Marlon Risso; Motta, Eder Alexandre Minski da; Machado, Juliana Medianeira; Krycki, Karine Cristina; Conterato, Ionara Fatima; Weiler, Roberto Luis; Dall'Agnol, Miguel; Simioni, Carine (2019) [Artigo de periódico]
      The native grasslands of southern Brazil have sustained livestock farming for many years; however, decline in pasture areas has led to the loss of genetic diversity of forage species.The development of forage grass cultivars ...

    • Hybrid progenies of Bahiagrass : agronomic evaluation 

      Krycki, Karine Cristina; Motta, Eder Alexandre Minski da; Brunes, André Pich; Mills, Annamaria; Weiler, Roberto Luis; Simioni, Carine (2022) [Artigo de periódico]
      Paspalum notatum Flüggeis one native forage grasses of southern Brazil. Through intraspecific hybridization, is possible generating progenies with variability for agronomic traits.The objective of this work was to evaluate ...

    • Intraspecific tetraploid hybrids of Paspalum notatum : agronomic evaluation of segregating progeny 

      Weiler, Roberto Luis; Dall'Agnol, Miguel; Simioni, Carine; Krycki, Karine Cristina; Pereira, Emerson André; Machado, Juliana Medianeira; Motta, Eder Alexandre Minski da (2018) [Artigo de periódico]
      For many decades, animal production in southern Brazil has been based on native forage grasses. Paspalum notatum Flügge (bahiagrass) is one of the most frequently used native grass in southern Brazil. The native germplasm ...

    • Multivariate analysis reveals genetic diversity in Paspalum notatum Flügge 

      Machado, Juliana Medianeira; Motta, Eder Alexandre Minski da; Barbosa, Marlon Risso; Weiler, Roberto Luis; Simioni, Carine; Silveira, Diógenes Cecchin; Mills, Annamaria; Pereira, Emerson André; Dall'Agnol, Miguel (2021) [Artigo de periódico]
      The objective of this study was to evaluate 94 Paspalum notatum genotypes over two growing seasons to estimate genetic dissimilarity through agronomic traits and the distance between genotypes. This information is used to ...

    • REML/BLUP methodology for selection intraspecific hybrids of Paspalum notatum Flügge by multivariate analysis 

      Silveira, Diógenes Cecchin; Weiler, Roberto Luis; Brunes, André Pich; Simioni, Carine; Mills, Annamaria; Longhi, Júlia; Corrêa, Marcos Vinicius Schiavoni; Nauderer, Carla; Valentini, Arthur; Santos, Weliton Menezes dos; Dall'Agnol, Miguel (2023) [Artigo de periódico]
      The Paspalum genus has potential for further genetic improvement because of its adaptability to different ecosystems and production of high yields for grazing livestock. We estimate the genetic parameters of 195 intraspecific ...

    • Repeatability and genotypic stability in intraspecific hybrids of Paspalum notatum Flügge 

      Weiler, Roberto Luis; Silveira, Diógenes Cecchin; Brunes, André Pich; Simioni, Carine; Mills, Annamaria; Longhi, Júlia; Corrêa, Marcos Vinicius Schiavoni; Nauderer, Carla; Valentini, Arthur; Santos, Weliton Menezes dos; Dall'Agnol, Miguel (2023) [Artigo de periódico]
      The objective of this study was to verify the repeatability of the expression of forage characters in intraspecific hybrids of Paspalum notatum Flügge to aid early selection. Across five harvests, plant height, tiller ...

    • Reproduction mode and apospory expressivity of selected hybrids of Paspalum notatum Flügge 

      Machado, Juliana Medianeira; Krycki, Karine Cristina; Weiler, Roberto Luis; Simioni, Carine; Dall'Agnol, Miguel (2021) [Artigo de periódico]
      Paspalum notatum Flüggé (bahiagrass) is the most important forage grass in the native grasslands of southern Brazil; the native germplasm is tetraploid and apomictic. Breeding to produce cultivars has been possible due to ...

    • Reproductive analyses of intraspecific Paspalum notatum Flügge hybrids 

      Krycki, Karine Cristina; Tedesco, Marília; Rodrigues, Vitória; Weiler, Roberto Luis; Brunes, André Pich; Dall'Agnol, Miguel; Simioni, Carine (2020) [Artigo de periódico]
      Paspalum notatum is an important forage native to Southern Brazil and one of the most promising fodder species in terms of productivity, quality, resistance and growth speed. The objective of this study was to evaluate the ...

    • Response of Bahiagrass hybrids to nitrogen fertilization or mixture with legumes 

      Motta, Eder Alexandre Minski da; Graminho, Larissa Arnhold; Dall'Agnol, Miguel; Potter, Luciana; Nabinger, Carlos; Souza, Cleber Henrique Lopes de; Krycki, Karine Cristina; Santos, Tamyris Nunes dos; Weiler, Roberto Luis; Ávila, Mariana Rockenbach de (2021) [Artigo de periódico]
      The objective of this work was to determine Paspalum notatum genotypes appropriate for the establishment of mixtures with temperate legumes and compare the productivity of mixtures with mineral-fertilized systems along two ...

    • Seed yield and quality of Paspalum notatum Flügge intraspecific hybrids 

      Souza, Cleber Henrique Lopes de; Motta, Eder Alexandre Minski da; Brunes, André Pich; Weiler, Roberto Luis; Simioni, Carine; Sampaio, Rodrigo; Rios, Esteban Fernando; Dall'Agnol, Miguel (2024) [Artigo de periódico]
      Bahiagrass (Paspalum notatum Flügge) is an important forage in South America and the United States because of its high palatability, resistance to trampling and grazing, and tolerance to cold, but it exhibits low seed yield ...