Comparison of Methods for Phenotypic Stability Analysis of Cassava (Manihot esculenta Crantz) Genotypes for Yield and Storage Root Dry Matter content
Ano: 2009 | Volume: 52 | Número: 1
Autores: Marcus Vinícius Kvitschal, Pedro Soares Vidigal Filho, Carlos Alberto Scapim, Maria Celeste Gonçalves-Vidigal, Edvaldo Sagrilo, Manoel Genildo Pequeno, Fabrício Rimoldi Autor Correspondente: Marcus Vinícius Kvitschal | [email protected]
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.