Adaptability and phenotypic stability in guarana clones

被引：4

作者：

do Nascimento Filho, Firmino Jose ^{[1
]}

Atroch, Andre Luiz ^{[1
]}

Cruz, Cosme Damiao ^{[2
]}

Souza Carneiro, Pedro Crescencio ^{[2
]}

机构：

[1] Embrapa Amazonia Ocidental, BR-69010970 Manaus, AM, Brazil

[2] Univ Fed Vicosa, Dept Biol Geral, BR-36571000 Vicosa, MG, Brazil

来源：

PESQUISA AGROPECUARIA BRASILEIRA | 2009年 / 44卷 / 09期

关键词：

Paullinia cupana; genotype x environment interaction; analysis methods; CENTRAL BRAZIL; GENOTYPES;

D O I：

10.1590/S0100-204X2009000900011

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The objective of this work was to determine parameters of adaptability and phenotypic stability of guarana clones (Paullinia cupana) in the state of Amazonas, Brazil. Ten trials were carried out in three counties, where 27 preselected guarana clones were evaluated in a four-year period. A randomized complete block design with two replicates were used, with plots formed by three plants spaced at 5x5 m. Four methods of adaptability and stability were evaluated. The nonparametric method of Lin & Binns modified showed satisfactory results and discriminated the clones performance both in favorable and unfavorable environments, and according to their stability levels. The CMU871 had good adaptability and high phenotypic stability. The CMU619 and CMU609 had specific adaptability to favorable and unfavorable environments, respectively.

引用

页码：1138 / 1144

页数：7

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