Browsing Agricultural Sciences by Title

Now showing items 1865-1884 of 4044

    • Galling arthropod diversity in adjacent swamp forests and restinga vegetation in Rio Grande do Sul, Brazil 

      Mendonça Junior, Milton de Souza; Piccardi, Hosana Maria Fonseca; Jahnke, Simone Mundstock; Dalbem, Ricardo Vieira (2010) [Journal article]
      Galling arthropods create plant structures inside which they fi nd shelter. Factors acting on galler diversity are still being discussed, with this fauna considered more diverse in xeric than mesic environments (higrothermic ...

    • Gametas não reduzidos no melhoramento de plantas 

      Schifino-Wittmann, Maria Teresa; Dall'Agnol, Miguel (2001) [Journal article]
      Nesta revisão são abordados o papel dos gametas não reduzidos (gametas 2n), ou seja, aqueles com o número somático de cromossomos, na origem dos poliplóides, e sua utilização no melhoramento genético de plantas. Aceita-se ...

    • Ganho de peso de novilhas em pastagem nativa da Serra do Sudeste do RS submetida ao controle de plantas indesejáveis e intensidades de pastejo 

      Crancio, Leonardo Araripe; Carvalho, Paulo Cesar de Faccio; Nabinger, Carlos; Silva, Jamir Luis Silva da; Santos, Rogerio Jaworski dos; Santos, Davi Teixeira dos; Pellegrini, Luiz Giovani de (2006) [Journal article]
      Este trabalho teve como objetivo avaliar o efeito de métodos de controle de espécies indesejáveis e de intensidades de pastejo sobre o desempenho animal em pastagem nativa da Serra do Sudeste do Rio Grande do Sul. Foram ...

    • Ganho de peso de novilhos mantidos em pastagem natural na encosta do sudeste do Rio Grande do Sul, recebendo níveis crescentes de suplementação energética 

      Fischer, Vivian; Pardo, René M. Patiño; Zanela, Maira Balbinotti; Moreno, Claiton B.; Ferreira, Everson X.; Monks, Pedro Lima (2005) [Journal article]
      O experimento foi desenvolvido com a finalidade de avaliar os efeitos de suplementação energética com sorgo moído sobre o desenvolvimento corporal de novilhos de corte em pastejo. Sessenta e cinco novilhos (12 a 15 meses ...

    • Ganho de peso de porcas gestantes associado ao comportamento em baias e à uniformidade da leitegada 

      Panzardi, Andrea; Mellagi, Ana Paula Gonçalves; Bierhals, Thomas; Gheller, Neimar Bonfanti; Bernardi, Mari Lourdes; Bortolozzo, Fernando Pandolfo; Wentz, Ivo (2011) [Journal article]
      O objetivo deste trabalho foi avaliar a associação do comportamento de fêmeas suínas mantidas em baias coletivas, durante a alimentação, com o ganho de peso no último mês de gestação, e determinar se a uniformidade de peso ...

    • Ganho de peso na recria e desempenho reprodutivo de novilhas acasaladas com sobreano 

      Montanholi, Yuri Regis; Barcellos, Julio Otavio Jardim; Borges, Joao Batista Souza; Costa, Eduardo Castro da; Wunsch, Carolina; Prates, Enio Rosa (2004) [Journal article]
      O objetivo deste trabalho foi avaliar os efeitos da intensidade do ganho de peso no período de recria, dos 13 aos 18 meses de idade, sobre a taxa de prenhez de novilhas de corte acasaladas com o sobreano durante o outono. ...

    • Gas chromatography and photoacoustic spectroscopy for the assessment of soil greenhouse gases emissions 

      Nicoloso, Rodrigo da Silveira; Bayer, Cimelio; Denega, Genuir Luis; Oliveira, Paulo Armando Victória de; Higarashi, Martha Mayumi; Corrêa, Juliano Corulli; Lopes, Letícia dos Santos (2013) [Journal article]
      Assessments of soil carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) emissions are critical for determination of the agricultural practices’ potential to mitigate global warming. This study evaluated the ...

    • Gelatin capsule waste: new source of protein to develop a biodegradable film 

      Campo, Camila de; Pagno, Carlos Henrique; Costa, Tania Maria Haas; Rios, Alessandro de Oliveira; Flôres, Simone Hickmann (2017) [Journal article]
      This work aimed to develop biodegradable films utilizing a new source of gelatin derived from the nutraceutical capsule manufacture waste of coconut with safflower oil, coconut oil and safflower oil. The mechanical, ...

    • Gender, race and parenthood impact academic productivity during the COVID-19 pandemic : from survey to action 

      Stanisçuaski, Fernanda; Silva, Lívia Kmetzsch Rosa e; Soletti, Rossana Colla; Reichert, Fernanda Maciel; Zandonà, Eugenia; Ludwig, Zélia Maria da Costa; Lima, Eliade Ferreira; Oliveira, Adriana Neumann de; Schwartz, Ida Vanessa Doederlein; Carpes, Pâmela Billig Mello; Tamajusuku, Alessandra Sayuri Kikuchi; Werneck, Fernanda de Pinho; Ricachenevsky, Felipe Klein; Almeida, Camila Infanger; Seixas, Adriana; Staats, Charley Christian; Oliveira, Leticia de (2021) [Journal article]
      The coronavirus disease 2019 (COVID-19) pandemic is altering dynamics in academia, and people juggling remote work and domestic demands – including childcare – have felt impacts on their productivity. Female authors have ...

    • Gene expression : a review on methods for the study of defense-related gene differential expression in plants 

      Casassola, Alice; Brammer, Sandra Patussi; Chaves, Marcia Soares; Martinelli, Jose Antonio; Grando, Magali Ferrari; Denardin, Norimar D'Avila (2013) [Journal article]

    • Genes encoding Shiga toxin and the intimin receptor detected in faecal samples collected from wild canids 

      Riboldi, Camila Imperico; Lopes, Cassiane Elisabete; Witt, Patrícia Bernardes Rodrigues; Valiati, Victor Hugo; Soares, João Fábio; Siqueira, Franciele Maboni (2018) [Journal article]
      Background: Enteropathogenic Escherichia coli (EPEC) and Shiga toxin-producing E. coli (STEC) are diarrheagenic E. coli that can cause disease in humans. The pathotype EPEC leads to the attaching and effacing lesion, causing ...

    • Genética da resistência à ferrugem-da-folha em aveia 

      Cruz, Renata Pereira da; Federizzi, Luiz Carlos; Milach, Sandra Cristina Kothe (2001) [Journal article]
      A ferrugem-da-folha (Puccinia coronata f. sp. avenae) é a principal doença da cultura da aveia (Avena sativa L.), e o uso de cultivares resistentes é o método de controle mais importante. Este trabalho teve por objetivo ...

    • Genetic analysis of the naked trait in panicles of hexaploid oat 

      Valentini, Ana Paula Fontana; Pellizzaro, Kelly; Pacheco, Marcelo Teixeira; Federizzi, Luiz Carlos (2014) [Journal article]
      The aim of this study was to estimate the number of genes that control the naked (hull-less) trait and the mode of expression of this characteristic in panicles of hexaploid white oat. Parents and the segregating population ...

    • Genetic and cytogenetic structure of wild lemon grass (Elionurus muticus) populations 

      Füller, Thanise Nogueira; Guerra, Divanilde; Schifino-Wittmann, Maria Teresa; Tessele, Carolina; Barros, Ingrid Bergman Inchausti de; Barbosa Neto, Jose Fernandes (2015) [Journal article]
      Elionurus muticus is a native aromatic grass from the Pampa biome that produces an essential oil that is rich in citral. Despite the importance of citral, few studies have examined this species. The aims of this work were ...

    • Genetic and cytological diversity in cherry tree accessions ( Eugenia involucrata DC) in Rio Grande do Sul 

      Guerra, Divanilde; Souza, Paulo Vitor Dutra de; Schwarz, Sergio Francisco; Schifino-Wittmann, Maria Teresa; Werlang, Claudio André; Veit, Pedro Augusto (2016) [Journal article]
      This study aimed to evaluate the genetic and cytological diversity and stability of 35 cherry tree accessions collected in Rio Grande do Sul. We used 15 RAPD (Random Amplified Polymorphic DNA) molecular markers and performed ...

    • Genetic assessment of seed yield-related traits in superior hybrids of Paspalum plicatulum × Paspalum guenoarum 

      Lopes, Rodrigo Ramos; Franke, Lucia Brandao; Souza, Cleber Henrique Lopes de; Bertoncelli, Patricia; Graminho, Larissa Arnhold; Ávila, Mariana Rockenbach de; Pereira, Emerson André; Motta, Eder Alexandre Minski da (2019) [Journal article]
      This study aimed to estimate the genetic parameters, genetic correlations, genetic dissimilarity, and predicted gains with the selection of interspecific apomictic Paspalum plicatulum × Paspalum guenoarum hybrids in relation ...

    • Genetic association between herd survival and linear type traits in Holstein cows under tropical conditions 

      Kern, Elisandra Lurdes; Cobuci, Jaime Araújo; Costa, Claudio Napolis; Cardoso, Fernando Flores; Pimentel, Concepta Margaret McManus; Campos, Gabriel Soares; Almeida, Tatiana Prestes de; Campos, Rafael Viegas (2014) [Journal article]

    • Genetic association between longevity and linear type traits of Holstein cows 

      Kern, Elisandra Lurdes; Cobuci, Jaime Araújo; Costa, Claudio Napolis; Pimentel, Concepta Margaret McManus; Braccini Neto, José (2015) [Journal article]
      Longevity is a desirable trait in the dairy industry because of its relationship to profitability. The aim of this study was to estimate genetic parameters for longevity measurements related to productive life, or life in ...

    • Genetic associations between reproductive and linear-type traits of Holstein cows in Brazil 

      Almeida, Tatiana Prestes de; Kern, Elisandra Lurdes; Daltro, Darlene dos Santos; Braccini Neto, José; Pimentel, Concepta Margaret McManus; Thaler Neto, André; Cobuci, Jaime Araújo (2017) [Journal article]
      This study aimed to estimate heritability, genetic, and residual correlations between reproductive traits such as age at first calving, calving interval, dry period, and first service period and linear type traits measured ...

    • Genetic avaluation for persistency of lactation in Holstein cows using a random regression model 

      Cobuci, Jaime Araújo; Euclydes, Ricardo Frederico; Costa, Claudio Napolis; Torres, Robledo de Almeida; Lopes, Paulo Sávio; Pereira, Carmen Silva (2007) [Journal article]
      A model for analyzing test day records including both fixed and random coefficients was applied to the genetic evaluation of first lactation data for Holstein cows. Data comprising 87045 test-day milk yield records from ...