Rooting of herbaceous minicuttings of peach rootstock under effect of indolebutyric acid (IBA)
DOI:
https://doi.org/10.5433/1679-0359.2015v36n1p135Keywords:
Estaquia, Propagação, Prunus Pérsica.Abstract
The use of rootstocks resulting from sexual propagation is a major problem that peach crop has in Brazil, reflecting the lack of plant homogeneity, which compromises the productivity of orchards. The clonal propagation is a promising alternative for the production of homogeneous seedlings with low cost and speed, as well as the maintenance of important agronomic characteristics. Therefore, the study aimed to assess the feasibility of propagation of rootstocks of Nemared, Flordaguard and Okinawa peach cultivars through herbaceous minicuttings, testing different concentrations of IBA (0; 1,000; 2,000; and 3,000mg.L-1). The minicuttings were immersed in the solution for five seconds and, then, placed in clear plastic containers containing medium grained vermiculite. The experiment was conducted with four replications of 20 minicuttings in the greenhouse. In 45 days, it was observed that Nemared obtained 76% of rooting with 1,000 mg.L-1of IBA, not differing from Flordaguard with 66%. The estimated dose of IBA for maximum rooting was 1,590 mg.L-1.
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