Physiological effects of ozone exposure on De Colgar and Rechaiga II tomato (Solanum lycopersicum L.) cultivars
作者： Benchohra Maamar , Mohamed Maatoug , Marcello Iriti , Abdelkader Dellal , Mohammed Ait hammou
DOI: 10.1007/S11356-015-4490-Y
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摘要: The sensitivity of two tomato (Solanum lycopersicum L.) cultivars, Rechaiga II and De Colgar, to 50, 80, 100 ppb ozone (O3) exposures was assessed in fumigation chamber, during 4 h per day over a period 7 days. variety shown be sensitive the dose 50 ppb, showing chlorotic spots on adaxial leaf surface alterations some physiological parameters. During 1-week fumigation, caused decrease stomatal conductance, chlorophylls b, total chlorophylls, carotenoids, although soluble sugars membrane integrity were significantly increased fumigated plants compared controls. This trend similar for three pollutant doses used fumigation. Colgar remained asymptomatic.
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