Publicação: Effect of type of cuttings and indolbutyric acid on the rooting of rose (Rosa sp. 'Red success') leafy cuttings during two seasons
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1999-12-01
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The objectives of this study were to evaluate the effect of type of cuttings (apical, intermediate and basal) and different concentrations of IBA (indole-3-butyric acid) on rooting of Red success rose (Rosa sp.) leafy cuttings, during two season of cuttings collection (summer and winter). The investigation was carried out in the farm Irmaos Van Schaik in Holambra-SP, Brazil, from February to April and August to October/1993. The experimental design was a randomized block in a factorial arrangement. It consisted of 12 treatments (3 types of cuttings combined with IBA powder in 4 different concentrations - 0, 1000, 2000 and 4000 ppm) with 3 replicates during 2 seasons. The investigation permitted the following conclusions: the apical and intermediate cuttings showed better results in general when compared to the basal ones in both seasons; the average rooting at the transplanting time were 76%, 70% and 47% (summer) and 80%, 69% and 33% (winter) for apical, intermediate and basal cuttings, respectively; the utilization of IBA did not stimulate rooting. The average rooting for the control cuttings reached 85% (summer) and 78% (winter), regardless the type of cuttings.
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Inglês
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Acta Horticulturae, v. 482, p. 333-338.
