vigor, floração, produção e qualidade de pêssegos 'chimarrita' e 'maciel' em função de diferentes porta-enxertos vigour, flowering, yield and quality of 'chimarita' and 'maciel' for different rootstocks

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ID: 237027
2012
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Abstract
O objetivo deste trabalho foi avaliar o vigor, a floração, a produção e a qualidade de pêssegos das cultivares 'Chimarrita' e 'Maciel' sobre oito porta-enxertos. O diâmetro do tronco, acompanhamento da floração, produção e qualidade de pêssegos foram os parâmetros estudados nas safras de 2008 e 2009, na Universidade Federal de Pelotas, Pelotas, RS. De acordo com os resultados obtidos, as cultivares 'Chimarrita' e 'Maciel', enxertadas sobre Umezeiro, apresentam menor vigor e sintomas de incompatibilidade quando comparadas com a enxertia nos demais porta-enxertos. A floração de ambas as cultivares foi influenciada pelos porta-enxertos, podendo retardar ou antecipar o início e a plena floração em até cinco dias. A cultivar 'Maciel' enxertada sobre Tsukuba 1 foi a mais produtiva e a cultivar 'Chimarrita' apresentou maior produção quando enxertada sobre Aldrighi e Capdeboscq. O porta-enxerto Umezeiro proporcionou frutos com maior relação SS/AT para a cultivar 'Maciel' e, para 'Chimarrita', os pêssegos apresentaram maior conteúdo de sólidos solúveis.
The objective of this research was to evaluate the vigour, flowering time, yield and quality of peach fruits from the cultivars 'Chimarrita' and 'Maciel' grafted on eight rootstocks. The experiment was carried out at the Faculdade de Agronomia Eliseu Maciel (Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil), during the 2008 and 2009 years. The obtained results showed that the 'Maciel' and 'Chimarrita' cultivars grafted on Umezeiro are less vigorous when compared to that grafted on other rootstocks, and showed signals of incompatibility. The flowering of the 'Chimarrita' and 'Maciel' peach cultivars is influenced by the rootstocks that can retard or anticipate the beginning and the full flowering in up to five days; the 'Maciel' cultivar grafted on Tsukuba 1 is the most productive and, for 'Chimarrita' the production is greater when grafted on Aldrighi and Capdeboscq. The rootstock Umezeiro provides fruit with higher SS/TA for 'Chimarrita' and 'Maciel' peach cultivars have a higher content of soluble solids.
Reference Key
comiotto2012cinciavigor, Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Andressa Comiotto;José Carlos Fachinello;Alexandre Hoffmann;Nicácia Portella Machado;Simone Padilha Galarça;Débora Leitzke Betemps
Journal Trials
Year 2012
DOI
10.1590/S0103-84782012000500005
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782012000500005
Keywords
development productivity desenvolvimento growthagricultureagriculture (general)

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