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Idesia (Arica)

On-line version ISSN 0718-3429

Abstract

PINO V., Edwin; MONTALVAN D., Isaac; VERA M., Alissa  and  RAMOS F, Lia. Stomatal conductance and its relationship with leaf temperature and soil moisture in olive cultivation (Olea europaea L.), in the period of fruit ripening, in arid zones. La Yarada, Tacna, Perú. Idesia [online]. 2019, vol.37, n.4, pp.55-64. ISSN 0718-3429.  http://dx.doi.org/10.4067/S0718-34292019000400055.

This work seeks the relationship between stomatal conductance, leaf temperature and soil moisture in the cultivation of the olive tree (Olea europaea L.), in the period of fruit ripening, in La Yarada irrigation, Tacna, Peru. A plot with 22-year-old olive trees, variety from Seville, in full production, with a planting frame of 7 x 7 m was used for the study. Measurements were made in the first stage, in a tree in a particular style. In the second stage, a total of 12 trees were used to measure conductance intensively. Temperature and stomatal conductance showed a significant adjustment, with a tendency to higher leaf temperature, greater stomatal conductance. Likewise, there is no correlation between the stomatal conductance and the volumetric moisture content of the soil. According to intensive measures of stomatal conductance, a typical tendency of peaks towards the average hours of the day is observed, finding a maximum value of 411 mmoles/m2s, in this period of fruit ripening in the olive tree.

Keywords : stomatal conductance; leaf temperature; soil moisture; olive.

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