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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.02.024
|2 doi
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|a pubmed24n1253.xml
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|a (DE-627)NLM281590338
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|a (NLM)29501894
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|a (PII)S0981-9428(18)30076-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Goñi, Oscar
|e verfasserin
|4 aut
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| 245 |
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|a Ascophyllum nodosum extract biostimulants and their role in enhancing tolerance to drought stress in tomato plants
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 25.07.2018
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|a Date Revised 09.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier Masson SAS. All rights reserved.
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|a Global changes in climate are leading to increased occurrence and duration of drought episodes with concurrent reduction in crop yields. Expansion of the irrigated land area does not appear to be a viable solution in many regions to deliver crop productivity. The development of crop drought tolerance traits by either genetic modification or plant breeding represent the principal approaches to meeting this challenge to date. Biostimulants are an emerging category of crop management products which can enhance crop productivity under abiotic stress conditions. The ability of some biostimulant products such as Ascophyllum nodosum extracts (ANE) to enhance the tolerance of crops to drought stress has been observed by growers. The objective of this study was to investigate if different commercial ANE biostimulants provided the same tolerance to tomato plants (cv. Moneymaker) subjected to a defined drought period. A compositional characterisation of the key macromolecules of ANEs was performed. In addition, the role of ANE biostimulants in inducing changes of chlorophyll and osmolytes levels, MDA production, dehydrin isoform pattern and dehydrin gene expression levels was assessed. The three ANE biostimulants evaluated were found to provide different levels of tolerance to drought stressed tomato plants. The level of drought tolerance provided was related to changes in the concentration of osmolytes and expression of tas14 dehydrin gene. Taken together, our results highlight that despite the fact all ANE biostimulants were manufactured from the same raw material, their ability to maintain crop productivity during and after drought stress was not the same
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|a Journal Article
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|a Abiotic stress tolerance
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|a Ascophyllum nodosum extract
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|a Dehydrin
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|a Drought stress
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|a Osmolytes
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|a Plant biostimulant
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|a Tomato
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|a Complex Mixtures
|2 NLM
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|a Quille, Patrick
|e verfasserin
|4 aut
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| 700 |
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|a O'Connell, Shane
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 126(2018) vom: 27. Mai, Seite 63-73
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:126
|g year:2018
|g day:27
|g month:05
|g pages:63-73
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|u http://dx.doi.org/10.1016/j.plaphy.2018.02.024
|3 Volltext
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