interação genótipo x ciclos de colheita de cana-de-açúcar da zona da mata norte de pernambuco sugarcane genotype x harvest cycles interaction in zona da mata norte of pernambuco

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ID: 138162
2006
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Abstract
Este trabalho teve por objetivo estudar, na Região da Mata Norte de Pernambuco, o desempenho de clones RB da série 94 de cana-de-açúcar da Universidade Federal Rural de Pernambuco (UFRPE) quanto à produtividade agroindustrial, bem como avaliar as interações genótipo x ambiente e analisar a magnitude de alguns parâmetros genéticos. Os trabalhos experimentais foram desenvolvidos durante as safras agrícolas de 1999/2000, 2000/2001, 2001/2002 e 2002/2003, em área agrícola da Usina Olho D'Água, localizada na Zona Canavieira da Mata Norte de Pernambuco, no Município de Camutanga (07º24'S e 35º16' W). O delineamento experimental foi o de blocos casualizados, com quatro blocos e dezesseis genótipos, sendo quatro deles variedades-padrão. Os resultados demonstraram que as variedades-padrão RB813804, RB72454, SP79-1011 e SP70-1143 confirmaram o potencial em produção de cana por hectare e de açúcar por hectare nas condições ambientais da Zona da Mata Norte de Pernambuco. O efeito de corte da cana foi altamente significativo, indicando o comportamento específico entre os genótipos nos diversos cortes da cana. A tonelada de cana por hectare foi o componente mais influenciado pelos ciclos de colheita da cana.
This work aimed to study the development of sugarcane RB clones, series 94 from the Universidade Federal Rural de Pernambuco (UFRPE) in the North Forest Zone of Pernambuco, regarding to agroindustrial yield, evaluate genotype x environment interactions and the magnitude of some genetic parameters. The experimental work was done during the agricultural years 1999/2000, 2000/2001, 2001/2002 and 2002/2003, in Olho d'Água sugar mill, located at the North Forest Sugar Cane Zone of Pernambuco, in Camutanga (07º24'S and 35º16' W). The experimental design was randomized blocks with four replicates and sixteen genotypes, being four of them standard clones. As to cane and sugar yield per herctare, the standard clones RB 813804, RB 72454, SP 79-1011 and SP 70-1143 confirmed their potential. The effect of cane cut was highly significant, indicating specific behaviour among the genotypes. Yield per hectare was the component most influenced by cane cutting cycles.
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Authors Luiz José Oliveira Tavares de Melo, Francisco José de Oliveira, Gerson Quirino Bastos, Clodoaldo José da Anunciação Filho, Odemar Vicente dos Reis
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Journal revista espanola de salud publica
Year 2006
DOI
10.1590/S0006-87052006000200002
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052006000200002
Keywords
varieties

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