| Records |
| Author |
Orsini, F.; Alnayef, M.; Bona, S.; Maggio, A.; Gianquinto, G. |
| Title |
Low stomatal density and reduced transpiration facilitate strawberry adaptation to salinity |
Type |
Journal Article |
| Year |
2012 |
Publication |
Environmental and Experimental Botany |
Abbreviated Journal |
Environmental and Experimental Botany |
| Volume |
81 |
Issue |
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Pages |
1-10 |
| Keywords |
stomatal density; leaf gas exchanges; transpiration; salt tolerance; osmotic adjustment; salt-stress tolerance; water-use efficiency; nacl salinity; hydraulic conductivity; irrigation water; dynamic indexes; leaf expansion; abscisic-acid; growth; plants |
| Abstract |
Water and soil salinization are major constraints to agricultural productions because plant adaptation to hyperosmotic environments is generally associated to reduced growth and ultimately yield loss. Understanding the physiological/molecular mechanisms that link adaptation and growth is one of the greatest challenges in plant stress research since it would allow us to better define strategies to improve crop salt tolerance. In this study we attempted to establish a functional link between morphological and physiological traits in strawberry in order to identify margins to “uncouple” plant growth and stress adaptation. Two strawberry cultivars, Elsanta and Elsinore, were grown under 0, 10.20 and 40 mM NaCl. Upon salinization Elsanta plants maintained a larger and more functional leaf area compared to Elsinore plants, which were irreversibly damaged at 40 mM NaCl. The tolerance of Elsanta was correlated with a constitutive reduced transpirational flux due to low stomata! density (173 vs. 234 stomata mm(-2) in Elsanta and Elsinore, respectively), which turned out to be critical to pre-adapt plants to the oncoming stress. The reduced transpiration rate of Elsanta (14.7 g H2O plant(-1) h(-1)) respect to Elsinore (17.7 g H2O plant(-1) h(-1)) most likely delayed the accumulation of toxic ions into the leaves, preserved tissues dehydration and consented to adjust more effectively to the hyperosmotic environment. Although we cannot rule out the contribution of other physiological and molecular mechanisms to the relatively higher tolerance of Elsanta, here we demonstrate that low stomatal density may be beneficial for cultivars prescribed to be used in marginal environments in terms of salinity and/or drought. (C) 2012 Elsevier B.V. All rights reserved. |
| Address |
2016-10-31 |
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| Language |
English |
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Edition |
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| ISSN |
0098-8472 |
ISBN |
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Article |
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| Notes |
CropM |
Approved |
no |
| Call Number |
MA @ admin @ |
Serial |
4797 |
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| Author |
Porter, J.R.; Soussana, J.-F.; Fereres, E.; Long, S.; Mohren, F.; Peltonen-Sainio, P.; von Braun, J. |
| Title |
European Perspectives: An Agronomic Science Plan for Food Security in a Changing Climate |
Type |
Book Chapter |
| Year |
2012 |
Publication |
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Abbreviated Journal |
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Pages |
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| Keywords |
CropM |
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Co-Published With Imperial College Press |
Place of Publication |
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Editor |
Hillel, D.; Rosenzweig, C. |
| Language |
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Summary Language |
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Original Title |
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Series Title |
Handbook of Climate Change and Agroecosystems: Global and Regional Aspects and Implications |
Abbreviated Series Title |
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| Series Volume |
ICP Series on Climate Change Impacts, Adaptation, |
Series Issue |
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| Notes |
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Approved |
no |
| Call Number |
MA @ admin @ |
Serial |
2732 |
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| Author |
Ventrella, D.; Charfeddine, M.; Giglio, L.; Castellini, M. |
| Title |
Application of DSSAT models for an agronomic adaptation strategy under climate change in Southern of Italy: optimum sowing and transplanting time for winter durum wheat and tomato |
Type |
Journal Article |
| Year |
2012 |
Publication |
Italian Journal of Agronomy |
Abbreviated Journal |
Ital. J. Agron. |
| Volume |
7 |
Issue |
1 |
Pages |
16 |
| Keywords |
DSSAT model; climate change; winter durum wheat; tomato; sowing time; transplanting time |
| Abstract |
Many climate change studies have been carried out in different parts of the world to assess climate change vulnerability and adaptation capacity of agricultural crops for certain environments characterized from climatic, pedological and agronomical point of view. The objective of this study was to analyse the productive response of winter durum wheat and tomato to climate change and sowing/transplanting time in one of the most productive areas of Italy (i.e. Capitanata, Puglia), using CERES-Wheat and CROPGRO cropping system models. Three climatic datasets were used: i) a single dataset (50 km x 50 km) provided by the JRC European centre for the period 1975- 2005; two datasets from HadCM3 for the IPCC A2 GHG scenario for time slices with +2°C (centred over 2030-2060) and +5°C (centred over 2070-2099), respectively. All three datasets were used to generate synthetic climate series using a weather simulator (model LARS-WG). No negative yield effects of climate change were observed for winter durum wheat with delayed sowing (from 330 to 345 DOY) increasing the average dry matter grain yield under forecasted scenarios. Instead, the warmer temperatures were primarily shown to accelerate the phenology, resulting in decreased yield for tomato under the + 5°C future climate scenario. In general, under global temperature increase by 5°C, early transplanting times could minimize the negative impact of climate change on crop productivity but the intensity of this effect was not sufficient to restore the current production levels of tomato cultivated in southern Italy. |
| Address |
2016-10-31 |
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English |
Summary Language |
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2039-6805 1125-4718 |
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| Notes |
CropM, ftnotmacsur |
Approved |
no |
| Call Number |
MA @ admin @ |
Serial |
4821 |
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| Author |
Kopacz, M.; Twardy, S. |
| Title |
Water and sewage management in the upper Dunajec river basin compared to the socio-structural transformations and surface water quality |
Type |
Report |
| Year |
2012 |
Publication |
Woda Srodowisko Obszary Wiejskie |
Abbreviated Journal |
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| Volume |
123 |
Issue |
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Pages |
103-122 |
| Keywords |
CropM; LiveM |
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Original Title |
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| Series Editor |
ITP Falenty |
Series Title |
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Approved |
no |
| Call Number |
MA @ admin @ |
Serial |
2067 |
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| Author |
Smoron, S. |
| Title |
The risk of surface waters eutrophication in loessial uplands of Malopolska |
Type |
Report |
| Year |
2012 |
Publication |
Woda Srodowisko Obszary Wiejskie |
Abbreviated Journal |
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| Volume |
121 |
Issue |
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Pages |
167-179 |
| Keywords |
CropM |
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| Series Editor |
ITP Falenty |
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| Notes |
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Approved |
no |
| Call Number |
MA @ admin @ |
Serial |
2069 |
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