Abstract
Drought is one of the most damaging abiotic stress that hinder plant growth and development. The present study aimed to determine the effects of various Ca/Mg quotients under polyethylene glycol (PEG)-induced osmotic stress on growth, uptake and translocation of Ca and Mg in Avena sativa (L). Plants were grown in nutrient solution supplemented with three different Ca/Mg molar quotients (0.18, 2, and 4). After 30 days plants were exposed to two different PEG (Polyethylene glycol) concentrations (0.6 MPa & 0.2 MPa) for 8 days, and solutions were renewed after 4 days. A solution containing Ca and Mg nutrients has mitigated the negative impact caused via osmotic stress on relative growth rate (RGR), absolute growth rate (AGR), crop growth rate (CGR), leaf area ratio (LAR), Leaf index ratio (LAI), root-shoot ratio (RSR), water use efficiency (WUE) and net assimilation rate (NAR). In addition, it adversely affected germination parameters, including final emergence percentage (FEP), mean germination time (MGT), Timson germination Index (TGI), germination rate index (GRI) and percent field capacity (%FC), of oat (Avena sativa L.). Mg and Ca in shoot and root and Ca translocation factor decreased with increasing Ca in solution, while Mg translocation factor increased with increasing Ca in nutrient solution. In this work, the combined effects of various Ca/Mg quotients and osmotic stress produced by polyethylene glycol (PEG) in different concentrations (0.6 MPa, 0.2 MPa) on the growth and element uptake of Avena sativa L. are examined. As a result, the Ca/Mg Quotient may naturally combat the moderate drought stress experienced by field crops.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 7
Claim · model-written summary
Ca and Mg nutrient solution mitigated the osmotic-stress reduction of relative, absolute and crop growth rates in oat
- Taxon
- Avena sativa L.
Avena sativat0 - Treatment
- A solution containing Ca and Mg nutrientse1
- Outcome
- relative growth rate (RGR), absolute growth rate (AGR), crop growth rate (CGR)e1
- Direction
- mitigatede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Exogenous Ca/Mg quotient reduces the inhibitory effects of PEG induced osmotic stress on Avena sativa L.”
e1“A solution containing Ca and Mg nutrients has mitigated the negative impact caused via osmotic stress on relative growth rate (RGR), absolute growth rate (AGR), crop growth rate (CGR), leaf area ratio (LAR), Leaf index ratio (LAI), root-shoot ratio (RSR), water use efficiency (WUE) and net assimilation rate (NAR)”
Claim · model-written summary
Ca and Mg nutrient solution mitigated the osmotic-stress reduction of leaf area ratio, leaf index ratio and root-shoot ratio in oat
- Taxon
- Avena sativa L.Avena sativat0
- Treatment
- A solution containing Ca and Mg nutrientse1
- Outcome
- leaf area ratio (LAR), Leaf index ratio (LAI), root-shoot ratio (RSR)e1
- Direction
- mitigatede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Exogenous Ca/Mg quotient reduces the inhibitory effects of PEG induced osmotic stress on Avena sativa L.”
e1“A solution containing Ca and Mg nutrients has mitigated the negative impact caused via osmotic stress on relative growth rate (RGR), absolute growth rate (AGR), crop growth rate (CGR), leaf area ratio (LAR), Leaf index ratio (LAI), root-shoot ratio (RSR), water use efficiency (WUE) and net assimilation rate (NAR)”
Claim · model-written summary
Ca and Mg nutrient solution mitigated the osmotic-stress reduction of water use efficiency and net assimilation rate in oat
- Taxon
- Avena sativa L.Avena sativat0
- Treatment
- A solution containing Ca and Mg nutrientse1
- Outcome
- water use efficiency (WUE) and net assimilation rate (NAR)e1
- Direction
- mitigatede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Exogenous Ca/Mg quotient reduces the inhibitory effects of PEG induced osmotic stress on Avena sativa L.”
e1“A solution containing Ca and Mg nutrients has mitigated the negative impact caused via osmotic stress on relative growth rate (RGR), absolute growth rate (AGR), crop growth rate (CGR), leaf area ratio (LAR), Leaf index ratio (LAI), root-shoot ratio (RSR), water use efficiency (WUE) and net assimilation rate (NAR)”
Claim · model-written summary
Osmotic stress adversely affected oat germination parameters FEP, MGT and TGI
- Taxon
- Avena sativa L.Avena sativat0
- Treatment
- osmotic stresse1
- Outcome
- germination parameters, including final emergence percentage (FEP), mean germination time (MGT), Timson germination Index (TGI)e2
- Direction
- adversely affectede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Exogenous Ca/Mg quotient reduces the inhibitory effects of PEG induced osmotic stress on Avena sativa L.”
e1“A solution containing Ca and Mg nutrients has mitigated the negative impact caused via osmotic stress”
e2“it adversely affected germination parameters, including final emergence percentage (FEP), mean germination time (MGT), Timson germination Index (TGI), germination rate index (GRI) and percent field capacity (%FC), of oat (Avena sativa L.)”
Claim · model-written summary
Osmotic stress adversely affected oat germination rate index and percent field capacity
- Taxon
- Avena sativa L.Avena sativat0
- Treatment
- osmotic stresse1
- Outcome
- germination rate index (GRI) and percent field capacity (%FC)e2
- Direction
- adversely affectede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Exogenous Ca/Mg quotient reduces the inhibitory effects of PEG induced osmotic stress on Avena sativa L.”
e1“A solution containing Ca and Mg nutrients has mitigated the negative impact caused via osmotic stress”
e2“it adversely affected germination parameters, including final emergence percentage (FEP), mean germination time (MGT), Timson germination Index (TGI), germination rate index (GRI) and percent field capacity (%FC), of oat (Avena sativa L.)”
Claim · model-written summary
Mg translocation factor increased with increasing Ca in the nutrient solution
- Taxon
- Avena sativa L.Avena sativat0
- Treatment
- increasing Ca in nutrient solutione4
- Outcome
- Mg translocation factore4
- Direction
- increasede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Exogenous Ca/Mg quotient reduces the inhibitory effects of PEG induced osmotic stress on Avena sativa L.”
e4“while Mg translocation factor increased with increasing Ca in nutrient solution”
Claim · model-written summary
The Ca/Mg quotient may naturally combat moderate drought stress experienced by field crops
- Taxon
- Avena sativa L.Avena sativat0
- Treatment
- Ca/Mg Quotiente5
- Outcome
- combat the moderate drought stresse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Exogenous Ca/Mg quotient reduces the inhibitory effects of PEG induced osmotic stress on Avena sativa L.”
e5“the Ca/Mg Quotient may naturally combat the moderate drought stress experienced by field crops”
The same questions in other papers
calcium atom · growth · Avena sativa (oats)Positive and negative results
2 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
1 paper more in this group
See all 5 papers →magnesium atom · growth · Avena sativa (oats)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →drought · growth · Avena sativa (oats)Positive and negative results
11 papers in the same direction as this paper · 7 in the opposite direction
- positive
- positive
- positive
15 papers more in this group
See all 19 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.