RESGATE VEGETATIVO DE Campomanesia xanthocarpa Mart. ex O. Berg POR ALPORQUIA
2018
Francielli Teleginski | Katia Christina Zuffellato-Ribas | Henrique Soares Koehler | Juliana Degenhardt-Goldbach | Evandro Teleginski
Guabiroba (Campomanesi axanthocarpa) is an arboreal species native from Brazil, and can be found from Minas Gerais to Rio Grande do Sul state, besides Argentina (Missiones), Paraguay and Bolivia. It can be used for paisagism, orchards, farms, afforestation and environmental recovery. Its fruit is appreciated in the production of juice, jelly, ice cream, liqueur or even in natura. However, there is little information about its propagation. This work aimed to evaluate an air layering method with the intention to study vegetal rescue techniques of Campomanesia xanthocarpa. Ten stock plants of C. xanthocarpa were used for air layering, their young branches, with circunference range 3 - 5 cm, were obtained peridemic rings with approximately 2.0 cm width using a knife, at a distance of 30 cm above the intersection branch. In each ring was added a different concentration of indolebutyricacid (IBA) (0, 500, 1000 e 2000 mgKg-1) diluted in vaseline paste. Then, the region was wrapped with vermiculite substrate and transparent plastic. After one year of layering test, surviving percentage, callus percentage, rooting percentage and the number of roots per branch were evaluated. The air layering technique in Campomanesia xanthocarpa using plant growth regulator IBA was not efficient, because it did not promote the rooting of branches.
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