Adaptability and stability of carotenoids in maize cultivars

被引:8
|
作者
Rios, Sara de Almeida [1 ]
Dias Paes, Maria Cristina [2 ]
Borem, Aluizio [1 ]
Cruz, Cosme Damiao [1 ]
de Oliveira Guimaraes, Paulo Evaristo [2 ]
Schaffert, Robert Eugene [2 ]
Cardoso, Wilton Soares [1 ]
Patto Pacheco, Cleso Antonio [2 ]
机构
[1] Univ Fed Vicosa, Dept Fitotecnia, BR-36570000 Vicosa, MG, Brazil
[2] Embrapa Milho & Sorgo, BR-35701970 Sete Lagoas, MG, Brazil
来源
关键词
Zea mays; biofortification; vitamin A; genotype-by-environment; PARAMETERS;
D O I
10.12702/1984-7033.v09n04a05
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The purpose of this study was to investigate the adaptability and stability of carotenoids in maize cultivars in the 2004/2005 growing season Total carotenoids (TC), total carotenoids with provitamin A activity (Pro VA) (mu g g1) and gram yield (kg ha(-1)) were quantified in 10 cultivars at five locations The chemical analyses were conducted in a laboratory of the EMBRAPA/CNPMS, in Sete Lagoas, Munas Gerars The methodologies of Eberhart and Russell (1966). Lin and Binns (1988) and Rocha et al (2005) were used to analyze adaptability and stability In general, the linear regression model proposed by Eberhart and Russell (1966) failed to fit Pro VA contents in the evaluated cultivars satisfactorily However, with regard to the TC levels, all different analysis methodologies of adaptability and stability rated hybrid BRS 2020 as an ideal genotype with general adaptability
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页码:313 / 319
页数:7
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