Teor de óleo e estabilidade fenotípica para rendimento de grãos em cultivares de amendoim

Autores

  • Vania Moda-Cirino Instituto Agronômico do Paraná - IAPAR
  • Gidiane Prado Ribeiro Universidade Estadual do Oeste do Paraná
  • Juliana Sawada Buratto Instituto Agronômico do Paraná
  • Samuel Nelson Melegari de SOUZA Universidade do Oeste do Paraná
  • Nelson da Silva Fonseca Jr. Instituto Agronômico do Paraná - IAPAR

DOI:

https://doi.org/10.15361/1984-5529.2015v43n4p378-387

Resumo

This study aimed to evaluate the oil content and estimate the phenotypic stability and adaptability parame­ters for grain yield in twelve peanut cultivars.  The experiment was carried out in 21 different localities in Paraná State, during the dry and rainy seasons of the agricultural year 2010-2011, 2011-2012 and        2012-2013. The experimental design was a randomized block with four replications and plots consisting of four rows of 4m with a population of 16 plants per meter. After maturation, the plots were harvested and grain yield was converted to kg ha-1 and corrected to 10 % moisture. The oil content (%) was measured by the ether extract method. Significant effects for cultivars, environments (combination of years, seasons and locations) and G x E interaction was detected for grain yield and oil content in the peanut seeds. The culti­vars BRS 151-L7, IAC Tatuí, BRS Havana, IAC Poitara, IAC Oirã and IAC Tupã showed the highest oil con­tent in the grains. Stability and adaptability was estimated for the characteristic grain yield. The cultivars Runner IAC 886 and IAC Caiapó showed specific adaptation to adverse environments, while IAPAR 25 Tição and IAC Tupã to showed specific adaptation to favorable environments.IAC Tatu ST was more stable and Tégua was less stable.

 

Additional keywords: Adaptability; Arachis hypogaea L.; peanut improvement.

Biografia do Autor

Vania Moda-Cirino, Instituto Agronômico do Paraná - IAPAR

Pesquisadora 
Área de Melhoramento e Genética Vegetal 
Instituto Agronômico do Paraná - IAPAR

Gidiane Prado Ribeiro, Universidade Estadual do Oeste do Paraná

Discento do curso de pós graduação na Universidade Estadual do Oeste do Paraná

Juliana Sawada Buratto, Instituto Agronômico do Paraná

Pesquisadora
Área de Melhoramento e Genética Vegetal
Instituto Agronômico do Paraná - IAPAR

Samuel Nelson Melegari de SOUZA, Universidade do Oeste do Paraná

Docente 

Universidade do Oeste do Paraná

Nelson da Silva Fonseca Jr., Instituto Agronômico do Paraná - IAPAR

Pesquisador 
Área de Melhoramento e Genética Vegetal 
Instituto Agronômico do Paraná - IAPAR

Publicado

01/10/2015

Edição

Seção

Melhoramento Genético Vegetal - Plant Breeding