Agronomic performance of coffee cultivars resistant to coffee rust in Minas Gerais State, Brazil

被引：14

作者：

de Carvalho, Alex Mendonca ^{[1
]}

Guimaraes Mendes, Antonio Nazareno ^{[1
]}

Botelho, Cesar Elias ^{[2
]}

Baiao de Oliveira, Antonio Carlos ^{[3
,4
]}

de Rezende, Juliana Costa ^{[1
]}

Rezende, Ramiro Machado ^{[1
]}

机构：

[1] Univ Fed Lavras UFLA, Dept Agr, BR-37200000 Lavras, MG, Brazil

[2] Empresa Pesquisa Agr Minas Gerais Epamig, BR-37200000 Lavras, MG, Brazil

[3] Embrapa Cafe, BR-70770901 Brasilia, DF, Brazil

[4] Epamig, BR-36570000 Vicosa, MG, Brazil

来源：

BRAGANTIA | 2012年 / 71卷 / 04期

关键词：

Coffea arabica; yield; adaptability; fenotype stability; GENOTYPES; ADAPTABILITY; PROGENIES; STABILITY;

D O I：

10.1590/S0006-87052013005000007

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The purpose of this study was to evaluate the agronomic performance of 24 coffee cultivars (22 rust resistant cultivars and 2 susceptible control varieties) in different environments of Minas Gerais State, Brazil. The coffee plants were planted in four locations (Lavras, Campos Altos, Patrocinio and Turmalina) in three agroclimatic regions. The experiments were arranged in randomized complete block design, with three replications in plots measuring 3.5x0.7 m, with 10 plants per plot. The following traits were analyzed: yield, percentage of grains retained in sieve size 16 and vegetative vigor from four cropping years (2008 to 2012) and the adaptability and stability in yield. The cultivars showed differential performance in the four environments. The cultivars Sabia Tardio, Pau Brasil MG1, Obata IAC 1669-20, Catucai Amarelo 24/137 and IPR 103 were the most promising because they combined higher agronomic stability and adaptability in favorable and unfavorable environments.

引用

页码：481 / 487

页数：7

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