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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Abstract

ALMEIDA, Eduardo José de et al. Propagation of three abiu genotypes (Pouteria caimito) by cutting of herbaceous branches. Acta Amaz. [online]. 2008, vol.38, n.1, pp.1-4. ISSN 0044-5967.  https://doi.org/10.1590/S0044-59672008000100001.

Three plants from a commercial orchard Pouteria caimito were selected, with desirable agronomic characteristics, original of seed propagation, which provided the herbaceous branches. These ones were prepared with about 15 cm of length, a pair of leaves on the higher node and diagonal cut on the bottom, after that they were treated with four doses of indolbutiric acid (IBA) (0, 1,000, 3,000 and 5,000 mg.l-1) and, then, planted on perforated plastic boxes, containing as substrate, medium texture vermiculite. The conduction of the trial was on a 50% shade doses), with 4 replicates of 10 branches each. After 90 days the percentage of rooting and survival, the length and average number of roots per branch were evaluated. The IBA has not influenced the analysed variables. The genotype has only induced a higher number of roots on the selection 3 and higher root length on the selections 1 and 3.

Keywords : Native Fruits; Vegetative Propagation; Cutting; Vegetal Regulator.

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