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Ecología Aplicada

versión impresa ISSN 1726-2216

Resumen

RAMOS-HUAPAYA, Andrea E.  y  TORREJON, Gilberto Domínguez. Seleccion of   Bolaina Blanca (Guazuma crinita Mart.) trees as "Plus" candidate trees for rejuvenation and sprouting trials. Ecol. apl. [online]. 2016, vol.15, n.2, pp. 115-123. ISSN 1726-2216.  http://dx.doi.org/10.21704/rea.v15i2.751.

Bolaina blanca (Guazuma crinita) is an Amazonian forest species of economic importance due to its rapid growth and diverse wood uses. In different locations in the Peruvian Amazon plantations are being installed, without adequate control of validated genetic material. Consorcio Agroforestal SAC company is developing a breeding program for this species, in which the selection of plus trees candidates is carried out, based on phenotypic and dasometric characteristics for subsequent vegetative propagation. The objective of this research was to characterize the response of trees to the application of two rejuvenation treatments (roughing and debarking), applied to individual plus candidate trees selected in stands (less than 5 years old) and planted in 3 condition sites (km 43, Navidad and Shebonia) which are characterized by minimal environmental variations, located in Puerto Inca - Huanuco). Rejuvenation treatments to obtain vegetative propagation material were performed into 42 trees (21 induced by roughing and 21, by peeling). After 8 weeks (Navidad and Shebonia) and 10 weeks (km 43) all outbreaks were reported and only the vigorous sprouts were harvested. Non parametric tests confirmed that outbreaks in roughing trees have a sprouting rate of 5/1 (5 shoots / treated tree). Most outbreaks were obtained from harvested trees selected candidates at the Shebonia site

Palabras llave : Vegetative propagation; sprouting of buds; plantations of bolaina; rejuvenation of trees.

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