2017
DOI: 10.25186/cs.v12i4.1357
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Adaptabilidade e estabilidade fenotípica de progênies F4 de coffea arábica L.

Abstract: A busca por novos genótipos aliados a boas características agronômicas tem sido o principal foco dos programas de melhoramento do cafeeiro no Brasil. No presente trabalho objetivou-seselecionar progênies de Coffeaarabica L., em relação à adaptabilidade e estabilidade fenotípica da produtividade, para identificar os genótipos de melhor comportamento frente às variações ambientais. O experimento foi instalado em janeiro de 2007, nos Campos Experimentais da EPAMIG, nos municípios de Machado-MG e São Sebastião do … Show more

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(2 citation statements)
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“…The biplot of IPCA1 versus beverage quality final scores was interpreted to identify the lines of higher adaptability on the x-axis, and higher stability on the y-axis, since the most stable lines approach zero on that axis. In that way the lowest scores on the y axis, characterize lines with stable performance in all the environments (Dias et al, 2017). Many lines had low scores on the y axis, 15, 10, 12, 11, 2, 13, T23 17, 21, 4, 18, 14, 16, 8, 7 and 1.…”
Section: Resultsmentioning
confidence: 91%
See 1 more Smart Citation
“…The biplot of IPCA1 versus beverage quality final scores was interpreted to identify the lines of higher adaptability on the x-axis, and higher stability on the y-axis, since the most stable lines approach zero on that axis. In that way the lowest scores on the y axis, characterize lines with stable performance in all the environments (Dias et al, 2017). Many lines had low scores on the y axis, 15, 10, 12, 11, 2, 13, T23 17, 21, 4, 18, 14, 16, 8, 7 and 1.…”
Section: Resultsmentioning
confidence: 91%
“…Lines 2, 11 and 12 were grouped in Quadrant B, differing from other genotypes, with average yields of 30.34, 34.75 and 41.42 bags per hectare and final beverage quality grades of 80, 79 and 77 in all environments, having better performance than the best control (T22-Catuaí Amarelo 2SL) of 36.90 bags ha -1 and beverage quality score of 74 in the environments. Zaidan et al (2017) evaluated the C. arabica beverage quality in 14 municipalities of Minas Gerais, with altitudes ranging from 600 to 1200 m, in which they observed the higher beverage quality of the cultivar Catuaí Amarelo at altitudes near to 700 m. Dias et al, (2017) selected two superior C. arabica lines from 10 progenies evaluated in 13 environments. Negative correlation estimates between two characteristics of interest can hinder the selection of plants seeking to increase both characteristics simultaneously (Dias et al, 2004).…”
Section: Resultsmentioning
confidence: 99%