Gas Exchanges and Stem Water Potential Define Stress Thresholds for Efficient Irrigation Management in Olive (Olea europea L.)
نویسندگان
چکیده
منابع مشابه
Gas-Exchange Properties of Salt-Stressed Olive (Olea europea L.) Leaves.
The effects of two levels of salinity on photosynthetic properties of olive (Olea europea L.) leaves were observed either in low or in high H(2)O vapor pressure deficit (vpd). Under moderate salt stress, stomata were found to be less open and responsive both to light and vpd, but the predominant limitation of photosynthesis was due to the mesophyll capacity of CO(2) fixation. We elaborate a pro...
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The aims of this work were to quantify (i) the effect of the source:sink ratio on stem water potential (SWP) and (ii) the phenotypic plasticity of SWP and its relationship to oil yield components in olive. Trees with a 3-fold variation in the source:sink ratio (crown volume/fruit number per tree) were monitored in 2007-2008 and 2008-2009 in a fully irrigated orchard in Mendoza, Argentina. The c...
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An increase in the land area dedicated to super-high density olive orchards has occurred in Chile in recent years. Such modern orchards have high irrigation requirements, and optimizing water use is a priority. Moreover, this region presents low water availability, which makes necessary to establish irrigation strategies to improve water productivity. An experiment was conducted during four con...
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Oleuropein (OE), the main polyphenol in olive leaf extract, is likely to decompose into hydroxytyrosol (HT) and elenolic acid under the action of light, acid, base, high temperature. In the enzymatic process, the content of OE in olive leaf extract and enzyme are key factors that affect the yield of HT. A selective enzyme was screened from among 10 enzymes with a high OE degradation rate. A sin...
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The effects of increasing the NaF concentration supplied through the irrigation water on some photosynthetic and physiological features of young olive trees grown under the ambient environmental conditions of an arid climate in Sfax, Tunisia, were investigated. Thirty-six uniform one-year-old self-rooted olive trees (Olea europaea L. cv Chemlali) were transplanted into 5 L pots and irrigated fo...
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ژورنال
عنوان ژورنال: Water
سال: 2018
ISSN: 2073-4441
DOI: 10.3390/w10030342