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- Title
Adaptabilidade e estabilidade de genótipos de café no cultivo orgânico em Minas Gerais.
- Authors
de Melo Moura, Waldênia; de Lima, Paulo César; Schiavon Lopes, Vanessa; Moreira de Carvalho, Cássio Francisco; Damião Cruz, Cosme; Cruz e Oliveira, Ana Maria
- Abstract
The aim of this research was to compare the stability and adaptability of coffee cultivars in relation to the average annual yield and to the biannual yield by the method of EBERHART & RUSSELL (1996), and select coffee cultivars for organic cultivation in Minas Gerais. The experiments were conducted at three sites in randomized block design with thirty genotypes and three replications. An analysis was based on the annual average yield of four crops (2005/2006, 2006/2007, 2007/2008 and 2008/2009) resulting in twelve environments. The other analysis considered the average of two biannual (2005/2006 and 2006/2007; 2007/2008 and 2008/2009) with a total of six environments. The analysis in which was considered that average biannual yield enabled a significant reduction in the coefficient of environmental variation. Thus, it was possible to identify cultivars with more adaptability and stability to organic cultivation. It was concluded that the analysis of stability and adaptability based on the biannual yield is more precise for selecting cultivars. Considering this premise the cultivars 'Catucaí Vermelho 36/6', 'Catuaí Vermelho IAC 15'and 'Siriema 842 'are promising onlyfor favorable environments. The cultivars Sabia 708 ', TBC Palma 1 ', 'Catucaí Amarelo 24/137', 'Oeiras MG 6851'and the lines H518 and H514, stood out in organic farming in similar environments like the locations evaluated in Minas Gerais.
- Publication
Ciência Rural, 2014, Vol 44, Issue 11, p1936
- ISSN
0103-8478
- Publication type
Article
- DOI
10.1590/0103-8478cr20130233