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Water shortage strongly alters formation of calcium oxalate druse crystals and leaf traits in Fagopyrum esculentum
ID Gaberščik, Alenka (Author), ID Grašič, Mateja (Author), ID Vogel-Mikuš, Katarina (Author), ID Germ, Mateja (Author), ID Golob, Aleksandra (Author)

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Abstract
Common buckwheat (Fagopyrum esculentum Moench) is a robust plant with high resistance to different environmental constraints. It contains high levels of calcium oxalate (CaOx) druse crystals, although their role remains obscure. The objective was to examine the effects of water shortage on plant biomass partition and leaf traits and formation of CaOx druse crystals in common buckwheat. Buckwheat plants were exposed to favorable and reduced water availability for 28 days. The element composition and morphological, biochemical, physiological and optical traits of the leaves, and the plant biomass were investigated under these conditions. Measurements of photochemical efficiency of photosystem II showed undisturbed functioning for buckwheat exposed to water shortage, apparently due to partially closed stomata and more efficient water regulation. Strong relationships were seen between water-related parameters and Ca, Mn and S content, and size and density of CaOx druse crystals. Redundancy analysis revealed the importance of the size of CaOx druse crystals to explain reflection in the UV range. Water shortage resulted in shorter plants with the same leaf mass (i.e., increased mass:height ratio), which, together with denser leaf tissue and higher content of photosynthetic pigments and protective substances, provides an advantage under extreme weather conditions.

Language:English
Keywords:Fagopyrum esculentum Moench, water shortage, calcium oxalate druse crystals, leaf traits, element analysis
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Year:2020
Number of pages:17 str.
Numbering:Vol. 9, iss. 7, art. 917
PID:20.500.12556/RUL-128305 This link opens in a new window
UDC:57
ISSN on article:2223-7747
DOI:10.3390/plants9070917 This link opens in a new window
COBISS.SI-ID:23526659 This link opens in a new window
Publication date in RUL:08.07.2021
Views:604
Downloads:161
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Record is a part of a journal

Title:Plants
Shortened title:Plants
Publisher:MDPI
ISSN:2223-7747
COBISS.SI-ID:523345433 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:20.07.2020

Secondary language

Language:Slovenian
Keywords:Fagopyrum esculentum Moench, pomanjkanje vode, kristalne kopuče kalcijevega oksalata, lastnosti listov, elementna analiza

Projects

Funder:ARRS - Slovenian Research Agency
Project number:P1-0212
Name:Biologija rastlin

Funder:ARRS - Slovenian Research Agency
Project number:L4-9305
Name:Lokalno pridelana ajda kot surovina za proizvodnjo kakovostnih živil

Funder:ARRS - Slovenian Research Agency
Project number:J7-9418
Name:Raziskave ionoma kulturnih rastlin za pridelavo varne in kakovostne hrane

Funder:ARRS - Slovenian Research Agency
Project number:N1-0105
Name:Prostorska razporeditev elementov in metabolitov v rastlinah

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