PORTA-ENXERTOS, CITOCININAS, RETARDANTES DE CRESCIMENTO E URACIL NA FERTILIDADE DE GEMAS DE VIDEIRAS APIRÊNICAS
2012
PLÍNIO SALGADO FONSECA DE MELO | VALTEMIR GONÇALVES RIBEIRO
The growth retardants Paclobutrazol (PBZ) and Cycocel (CCC) had been used, in spraying, associates or not with two cytokinins: Benziladenina (BAP) and Thidiazuron (TDZ), and a nitrogenous base, the Uracil, with the purpose of studying its effect in the bud fertility of the 'Superior Seedless', grafted on the 'Harmony' and IAC-766 'Campinas', and of the 'Crimson Seedless' and 'Thompson Seedless', grafted on the 'Harmony', in the conditions of the São Francisco Valley, Brazil. It was observed that the separately use of the products had not promoted significant differences in the studied of the bud fertility, but, the association of the growth retardants with the TDZ it induce the 'Thompson Seedless' to a bigger productivity, and that the expression of the bud fertility of the 'Seedless Superior' benefits on to being grafted on the 'Harmony' rootstock.
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