Efecto del fotoperíodo en el desarrollo de plantas de Eucalyptus globulus Labill. ssp. globulus cultivadas en vivero

Manuel Sánchez Olate; Jaime Zapata Valenzuela; Darcy Ríos; G. Pereira; René Escobar

doi:10.4067/s0717-92002003000200003

htm (Español (España))

Published: Aug 29, 2003

DOI: https://doi.org/10.4067/s0717-92002003000200003

Keywords:

- relative electrolytic conductivity
- root growth potential
- total carbohydrate
- photoperiod

Manuel Sánchez Olate

Laboratorio de Biotecnología Forestal. Departamento Silvicultura, Universidad de Concepción, Casilla 160-C, Concepción, Chile.

Jaime Zapata Valenzuela

Bioforest S.A., Camino Concepción a Coronel, S/N. Concepción, Chile.

Darcy Ríos

Laboratorio de Biotecnología Forestal. Departamento Silvicultura, Universidad de Concepción, Casilla 160-C, Concepción, Chile.

G. Pereira

Departamento Forestal, Unidad Académica Los Angeles, Universidad de Concepción, Los Angeles, Chile.

René Escobar

Laboratorio de Biotecnología Forestal. Departamento Silvicultura, Universidad de Concepción, Casilla 160-C, Concepción, Chile.

Abstract

Eucalyptus globulus Labill. ssp. globulus seedlings produced in containers under homogeneous morphological conditions were treated with short photoperiods of 8 hours for 7 and 15 days. The effect was compared with that of a normal photoperiod of 10 hours in a nursery (treatment control), and evaluated using three methods: the relative electrolytic conductivity (CER), the content of total soluble carbohydrates (CST), and root growth potential (RGP). The reduction of the photoperiod for 7 days significantly diminished the content of total soluble carbohydrates, but this increased to levels similar to the control after 15 days of the reduced photoperiod. There was no effect of photoperiod on the relative electrolytic conductivity or root growth potential.

How to Cite

Sánchez Olate, M., Zapata Valenzuela, J., Ríos, D., Pereira, G., & Escobar, R. (2003). Effect of photoperiod on the development of Eucalyptus globulus Labill. ssp. globulus plants cultured in a nursery. BOSQUE, 24(2), 23–28. https://doi.org/10.4067/s0717-92002003000200003

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Vol. 24 No. 2 (2003)

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