Vegetative propagation of guarana plant (Paullinia cupana (Mart.) Ducke) by cuts root intduced with indolilbutiric ácid

Abstract

An experiment of vegetative propagation of Guarana Plant (Paullinia cupana (Mart.) Ducke), was conducted at EMBRAPA, UEPAE/Porto Velho, Rondonia, on Km 5,5 of BR-364, 8°46'5" South, 63°5' of Grenwich and 96,3 meters high above sed level. Herbaceous and woody branches were used, being induced to rooting through the process of coating, and also of vegetative regulador, indolilbutiric acid on the concentration of 50 ppm. Fron the results obtained it is concluded that: the cooting of the herbaceous cut was highty superior to the woody cut the herbaceous cut induced without the use of indolilbutiric acid showed higher rooting potencial. The rooting induction on the guaraná Plant branches caused the formation of root origin on the induced region of the plant, even before the branches cutting, and, eventhough with a smaller rooting percentage the induced cut when tested with IBA showed greater root numbes.