Desempenho agronômico das videiras 'Crimson Seedless' e 'Superior Seedless' no norte de Minas Gerais

  • Feldberg N
  • Regina M
  • Dias M
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Abstract

O objetivo deste trabalho foi avaliar a influência do vigor dos porta-enxertos '1103 Paulsen' e 'IAC-572 Jales', no desempenho agronômico das cultivares Crimson Seedless e Superior Seedless. O experimento foi realizado na Fazenda Experimental da Epamig, em Mocambinho, distrito de Jaíba, MG, em delineamento inteiramente casualizado com sete repetições em esquema fatorial 2x2. Foram analisadas a fertilidade de gemas, o número e a massa de cachos e a massa de ramos. O porta-enxerto '1103 Paulsen' proporcionou os melhores resultados nas cultivares Crimson Seedless e Superior Seedless quanto à massa e número de cachos por planta e fertilidade de gemas, com produtividade média de 31,9 e 22,4 t ha-1 ano-1 , respectivamente. O porta-enxerto 'IAC-572 Jales' proporcionou maior vigor, com maior massa de ramos por planta nas duas cultivares. O porta-enxerto '1103 Paulsen' induziu a maiores fertilidade de gemas e produtividades em 'Crimson Seedless' e 'Superior Seedless' e pode ser indicado para o cultivo na região de Jaíba, MG.The objective of this work was to study the influence of the '1103 Paulsen' and 'IAC-572 Jales' rootstocks vigor in the agronomic performance of the cultivars 'Crimson Seedless' and 'Superior Seedless'. The experiment was carried in the Epamig Experimental Farm located in Mocambinho, Jaíba, MG, Brazil, in completely randomized experimental design with seven replications in factorial 2x2. The following variables were studied: bud fertility, number and weight of clusters and cane weight. The '1103 Paulsen' rootstock showed better results for cultivars 'Crimson Seedless' and 'Superior Seedless' regarding the number of clusters and their weight by plant and bud fertility, with average productivity of 31.9 and 22.4 t ha-1 year-1 , respectively. The 'IAC-572 Jales' rootstock provided higher vigor, comprising greater weight of canes per plant in both cultivars. The '1103 Paulsen' rootstock induced higher bud fertility and productivity for 'Crimson Seedless' and 'Superior Seedless' grapes and can be indicated for cultivation in the Jaíba region.

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CITATION STYLE

APA

Feldberg, N. P., Regina, M. de A., & Dias, M. S. C. (2007). Desempenho agronômico das videiras “Crimson Seedless” e “Superior Seedless” no norte de Minas Gerais. Pesquisa Agropecuária Brasileira, 42(6), 777–783. https://doi.org/10.1590/s0100-204x2007000600003

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