Abstract
Drought is an important environmental stress for soybean (Glycine max (L) Merr.), which frequently occurs under second-crop conditions in the Mediterranean region of Türkiye and negatively affects early plant growth. In this study, we investigated the effects of drought stress (soil water content maintained at a constant 50% field capacity) on the early growth stage (V3 stage) of different soybean cultivars (Ataem-7, BATEM Erensoy, Göksoy, and Lider). Twenty-seven-day-old soybean plants were exposed to drought stress for 20 days. Morphological (plant height, root length, seedling fresh and dry weight, root fresh and dry weight, and leaf area), physiological (leaf temperature, chlorophyll rate (CR), leaf relative water content (RWC), and electrolyte leakage (EL)), and water use (total water consumption (TWC), and water use efficiency (WUE)) traits were assessed. The results revealed a significant decrease in plant height, root length, leaf area, root and shoot fresh and dry weights, and RWC, and an increase in CR under drought stress. Although Lider and BATEM Erensoy exhibited better growth than the other cultivars under control conditions, their root and shoot growth decreased significantly under water stress. Notably, Ataem-7 presented a lower TWC and WUE difference between the drought treatment and the control, and this cultivar efficiently used water for dry matter production in the shoot and root parts. As a result, there were significant genotypic differences in drought susceptibility among the soybean cultivars, and Ataem-7 showed greater tolerance to drought than the other soybean cultivars did during the early growth stage.
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Claims 12
Claim · model-written summary
Drought significantly reduced plant height, root length, and leaf area.
- Taxon
- soybean
Glycine maxt0 - Treatment
- drought stresse0
- Outcome
- plant height, root length, leaf areae0
- Direction
- decreasee0
- Qualifier
- soil water content maintained at a constant 50% field capacitye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a significant decrease in plant height, root length, leaf area, root and shoot fresh and dry weights, and RWC, and an increase in CR under drought stress”
e1“soil water content maintained at a constant 50% field capacity”
t0“soybean cultivars”
Claim · model-written summary
Drought significantly reduced root and shoot fresh and dry weights.
- Taxon
- soybeanGlycine maxt0
- Treatment
- drought stresse0
- Outcome
- root and shoot fresh and dry weightse0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a significant decrease in plant height, root length, leaf area, root and shoot fresh and dry weights, and RWC, and an increase in CR under drought stress”
t0“soybean cultivars”
Claim · model-written summary
Drought significantly reduced relative water content.
- Taxon
- soybeanGlycine maxt0
- Treatment
- drought stresse0
- Outcome
- RWCe0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a significant decrease in plant height, root length, leaf area, root and shoot fresh and dry weights, and RWC, and an increase in CR under drought stress”
t0“soybean cultivars”
Claim · model-written summary
Drought increased chlorophyll rate.
- Taxon
- soybeanGlycine maxt0
- Treatment
- drought stresse0
- Outcome
- CRe0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase in CR under drought stress”
t0“soybean cultivars”
Claim · model-written summary
Lider and BATEM Erensoy grew better than other cultivars under control conditions.
- Taxon
- soybeanGlycine maxt0
- Material
- Lider and BATEM Erensoye0
- Outcome
- growthe0
- Direction
- bettere0
- Comparator
- the other cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lider and BATEM Erensoy exhibited better growth than the other cultivars under control conditions”
t0“soybean cultivars”
Claim · model-written summary
Lider root and shoot growth decreased significantly under water stress.
- Taxon
- soybeanGlycine maxt0
- Material
- Lidere0
- Treatment
- water stresse0
- Outcome
- root and shoot growthe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lider and BATEM Erensoy exhibited better growth than the other cultivars under control conditions, their root and shoot growth decreased significantly under water stress”
t0“soybean cultivars”
Claim · model-written summary
BATEM Erensoy root and shoot growth decreased significantly under water stress.
- Taxon
- soybeanGlycine maxt0
- Material
- BATEM Erensoye0
- Treatment
- water stresse0
- Outcome
- root and shoot growthe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lider and BATEM Erensoy exhibited better growth than the other cultivars under control conditions, their root and shoot growth decreased significantly under water stress”
t0“soybean cultivars”
Claim · model-written summary
Ataem-7 had a smaller total water consumption difference between drought and control.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ataem-7 presented a lower TWC and WUE difference between the drought treatment and the control”
t0“soybean cultivars”
Claim · model-written summary
Ataem-7 had a smaller water use efficiency difference between drought and control.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ataem-7 presented a lower TWC and WUE difference between the drought treatment and the control”
t0“soybean cultivars”
Claim · model-written summary
Ataem-7 efficiently used water for shoot and root dry matter production.
- Taxon
- soybeanGlycine maxt0
- Material
- Ataem-7e1
- Outcome
- dry matter production in the shoot and root partse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this cultivar efficiently used water for dry matter production in the shoot and root parts”
e1“Ataem-7 presented a lower TWC”
t0“soybean cultivars”
Claim · model-written summary
Soybean cultivars differed significantly in drought susceptibility.
- Taxon
- soybeanGlycine maxe0
- Outcome
- drought susceptibilitye0
- Direction
- differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were significant genotypic differences in drought susceptibility among the soybean cultivars”
Claim · model-written summary
Ataem-7 was more drought tolerant than the other cultivars during early growth.
- Taxon
- soybeanGlycine maxe0
- Material
- Ataem-7e0
- Outcome
- tolerance to droughte0
- Direction
- greatere0
- Comparator
- the other soybean cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ataem-7 showed greater tolerance to drought than the other soybean cultivars did during the early growth stage”
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