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Meteorological conditions, ozone concentration and leaf age affect gas exchange in Psidium guajava ‛Palumaʼ

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Academic year: 2019

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Table 1. Daily means of temperature (Temp, °C) and relative air humidity (RH,%), rainfall (Rain, mm) daily mean and hourly  maximum of O 3 , NO 2  and NO (µg m - ³) from April to June 2007 (Out/07), October to December 2007 (Pri/07), January to  April 2008
Table 2. Number of days until the onset of injuries, incidence, severity and Leaf Injury Index (%) in saplings of Psidium  guajava ‘Paluma’ in the periods of April to June 2007 (Autumn 2007), October to December 2007 (Spring 2007), January  to April 2008 (
Table 3. Net assimilation (Asat, µmol m-2 s-1), stomatal conductance (gs, mol m-2 s-1), transpiration (E, mmol m-2 s-1), intercellular CO 2 concentration (Ci, µmol mol-1)  and water use efficiency (WUE, [µmol CO 2 (mmol H2O)-1]), n = 6 , mean ± standard er
Table 4. Increase (>), decreased (<) or absence (=) of significant alteration (p < 0.05) and percentage of relative variation among initial and final means (%) of net  assimilation of CO 2 (Asat), stomatal conductance (gs), transpiration (E), inte
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