Correlation between growth and yield of coffee cultivars in different regions of the state of Minas Gerais, Brazil

被引：34
|
作者：
de Carvalho, Alex Mendonca [1 ]
Guimaraes Mendes, Antonio Nazareno [1 ]
Carvalho, Gladyston Rodrigues [2 ]
Botelho, Cesar Elias [2 ]
Avelar Goncalves, Flavia Maria [1 ]
Ferreira, Andre Dominghetti [1 ]
机构：
[1] Univ Fed Lavras, BR-37200000 Lavras, MG, Brazil
[2] Empresa Pesquisa Agropecuaria Minas Gerais, BR-37200000 Lavras, MG, Brazil
来源：
PESQUISA AGROPECUARIA BRASILEIRA | 2010年 / 45卷 / 03期
关键词：
Coffea arabica; vegetative traits; phenotypic correlation; genotypic correlation; yield performance; VEGETATIVE GROWTH;
D O I：
10.1590/S0100-204X2010000300006
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 evaluate coffee growth traits in the initial stages of development and to determine its correlation with the crop initial yield in different environments. Twenty-two cultivars resistant to rust and three susceptible ones were evaluated in five representative coffee growing localities in the state of Minas Gerais, Brazil. The experiment was carried out from 2005 to 2008 in a randomized complete block design with three replicates. Besides initial yield, five growth traits were evaluated 12 months after planting: stem diameter, number and length of plagiotropic branches, plant height, and number of nodes. The genotypic and phenotypic correlations were evaluated for all traits. Pau Brasil MG1 and Catuai Amarelo IAC 62 cultivars show superiority in at least four out of the five evaluated characters, in all growing localities. There is a positive correlation between initial yield and the evaluated growth traits, except number of nodes.
引用
收藏
页码：269 / 275
页数：7
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