comparison of methods for phenotypic stability analysis of cassava (manihot esculenta crantz) genotypes for yield and storage root dry matter content

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ID: 178483
2009
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Abstract
The objective of this work was to compare different phenotypic stability methods by using yield and storage root dry matter content data of eight cassava genotypes, assessed in eight environments in northwest of Paraná State, Brazil. All the methodologies applied showed to be able to study the stability of cassava genotypes, but each with its peculiarities. The methodologies of Eskridge, Annicchiarico and Lin and Binns were the most appropriated on situation with smaller effect of G x E interaction. The AMMI analysis and the Toler and Burrows methodology were the most specific on detailing specific adaptations of cassava genotypes to favorable and unfavorable environments. It could be suggested to use simultaneous AMMI analysis and Toler and Burrows methodology. The clone IAC 190-89 was the most promising.
O objetivo deste trabalho foi comparar diferentes metodologias de análise de estabilidade fenotípica considerando produção e teor de matéria seca nas raízes tuberosas de oito genótipos de mandioca, avaliados em oito ambientes na região Noroeste do Paraná. Todas as metodologias aplicadas se mostraram aptas no estudo da estabilidade dos genótipos avaliados, cada uma delas com suas particularidades. As metodologias de Eskridge, Annicchiarico e Lin e Binns se mostraram mais adequadas para situações de menor efeito da interação G x A. A análise AMMI e a metodologia de Toler e Burrows propiciaram um melhor detalhamento das adaptações específicas dos genótipos a ambientes favoráveis e desaforáveis. É sugerido o uso simultâneo da análise AMMI e da metodologia de Toler e Burrows. O clone IAC 190-89 mostrou-se mais promissor.
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kvitschal2009braziliancomparison Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Marcus Vinícius Kvitschal;Pedro Soares Vidigal Filho;Carlos Alberto Scapim;Maria Celeste Gonçalves-Vidigal;Edvaldo Sagrilo;Manoel Genildo Pequeno;Fabrício Rimoldi
Journal current drug delivery
Year 2009
DOI
10.1590/S1516-89132009000100022
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000100022
Keywords
stability correlation manihot esculenta

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