Abstract
Drought stress substantially restricts cotton growth, decreasing cotton production potential worldwide. This study evaluated cotton genotypes at the flowering stage to identify drought-resilient genotypes under moderate and severe drought conditions using physio-morphic and biochemical markers. Five genotypes were examined in a completely randomized design with three replicates across three treatments. Growth and biochemical traits were measured after 14 days of drought stress. The Multi-trait Genotype-Ideotype Distance Index (MGIDI) identified the most drought-tolerant genotypes. Severe drought had a pronounced negative effect on growth and biochemical traits, followed by moderate drought. Among the genotypes, FH-912 exhibited the strongest resilience, with significant increases in proline, peroxidase, catalase, and total chlorophyll. In contrast, chlorophyll a and transpiration rates were largely unaffected. Genotypes VH-351, VH-281, and GH-99 showed moderate drought tolerance, while FH-556 was highly sensitive to water stress. Statistical analyses, including ANOVA, PCA, and heatmaps, confirmed FH-912's superior performance under drought stress. The drought-resilient genotype, FH-912, holds promise for breeding drought-tolerant cotton varieties to sustain cotton productivity in water-limited environments, especially in drought-prone regions.
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Claims 11
Claim · model-written summary
Severe drought impaired growth and biochemical traits more than moderate drought.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- Severe droughte0
- Outcome
- growth and biochemical traitse0
- Direction
- negative effecte0
- Comparator
- moderate droughte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Severe drought had a pronounced negative effect on growth and biochemical traits, followed by moderate drought”
t0“Cotton”
Claim · model-written summary
FH-912 was identified as the strongest drought resilient genotype.
- Taxon
- cottonGossypium hirsutumt0
- Material
- FH-912e0
- Outcome
- strongest resiliencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the genotypes, FH-912 exhibited the strongest resilience”
t0“Cotton”
Claim · model-written summary
FH-912 showed a significant increase in proline.
- Taxon
- cottonGossypium hirsutumt0
- Material
- FH-912e0
- Treatment
- drought stresse2
- Outcome
- prolinee0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FH-912 exhibited the strongest resilience, with significant increases in proline, peroxidase, catalase, and total chlorophyll”
t0“Cotton”
e1“Among the genotypes, FH-912 exhibited”
e2“Growth and biochemical traits were measured after 14 days of drought stress.”
Claim · model-written summary
FH-912 showed significant increases in peroxidase and catalase.
- Taxon
- cottonGossypium hirsutumt0
- Material
- FH-912e1
- Treatment
- drought stresse2
- Outcome
- peroxidase, catalasee0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant increases in proline, peroxidase, catalase, and total chlorophyll”
t0“Cotton”
e1“Among the genotypes, FH-912 exhibited”
e2“Growth and biochemical traits were measured after 14 days of drought stress.”
Claim · model-written summary
FH-912 showed a significant increase in total chlorophyll.
- Taxon
- cottonGossypium hirsutumt0
- Material
- FH-912e1
- Treatment
- drought stresse2
- Outcome
- total chlorophylle0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant increases in proline, peroxidase, catalase, and total chlorophyll”
t0“Cotton”
e1“Among the genotypes, FH-912 exhibited”
e2“Growth and biochemical traits were measured after 14 days of drought stress.”
Claim · model-written summary
Chlorophyll a and transpiration rates were largely unaffected.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- drought stresse2
- Outcome
- chlorophyll a and transpiration ratese0
- Direction
- largely unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chlorophyll a and transpiration rates were largely unaffected”
t0“Cotton”
e1“Among the genotypes, FH-912 exhibited”
e2“Growth and biochemical traits were measured after 14 days of drought stress.”
Claim · model-written summary
VH-351 showed moderate drought tolerance.
- Taxon
- cottonGossypium hirsutumt0
- Material
- VH-351e0
- Outcome
- moderate drought tolerancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypes VH-351, VH-281, and GH-99 showed moderate drought tolerance”
t0“Cotton”
Claim · model-written summary
VH-281 showed moderate drought tolerance.
- Taxon
- cottonGossypium hirsutumt0
- Material
- VH-281e0
- Outcome
- moderate drought tolerancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypes VH-351, VH-281, and GH-99 showed moderate drought tolerance”
t0“Cotton”
Claim · model-written summary
GH-99 showed moderate drought tolerance.
- Taxon
- cottonGossypium hirsutumt0
- Material
- GH-99e0
- Outcome
- moderate drought tolerancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypes VH-351, VH-281, and GH-99 showed moderate drought tolerance”
t0“Cotton”
Claim · model-written summary
FH-556 was highly sensitive to water stress.
- Taxon
- cottonGossypium hirsutumt0
- Material
- FH-556e0
- Outcome
- highly sensitive to water stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FH-556 was highly sensitive to water stress”
t0“Cotton”
Claim · model-written summary
ANOVA, PCA, and heatmaps corroborated superior drought performance of FH-912.
- Taxon
- cottonGossypium hirsutumt0
- Material
- FH-912e0
- Outcome
- superior performance under drought stresse0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Statistical analyses, including ANOVA, PCA, and heatmaps, confirmed FH-912's superior performance under drought stress”
t0“Cotton”
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