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Revista Brasileira de Fruticultura

versão impressa ISSN 0100-2945versão On-line ISSN 1806-9967

Resumo

AYUB, Ricardo Antonio; BLUM, Julius  e  MALGARIM, Marcelo Barbosa. Time and active ingredients for bud break of japanese persimmon cv. Fuyu. Rev. Bras. Frutic. [online]. 2009, vol.31, n.3, pp.644-649. ISSN 0100-2945.  http://dx.doi.org/10.1590/S0100-29452009000300004.

This work aimed to rise fruit market period and search options to stimulate bud break, evaluating three dates and different active ingredients in bud break of persimmon 'Fuyu'. Mineral oil, hydrogen cyanamide (CH), micro and macronutrients mixture were tested in three application dates in a factorial scheme with 5 treatments and 3 application dates. The traetments were: T1-control, T2- 0.5 % OM, T3-: 2 % CH + 0.5 % OM, T4- 1 % micronutrients + 0.2 % macronutrients + 0.5 % OM; T5- 2 % micronutrients + 0.2 % macronutrients + 0.5 % OM. It was analyzed the number of sprouts per branch, the sprouting percentage, the number of branches with sprouts, and the number and fruits production per plant. Bud break anticipation reduced fruits number in South Center region of Paraná. Fruit production was directly proportional to budburst in the first sprout cycle. CH application promotes budburst anticipation and raises persimmon fruits production, mineral oil and nutrients mixtures did not influence on budburst and production benefits.

Palavras-chave : plant regulators; Diospyrus kaki; budburst.

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