Abstract
Cotton production in Mediterranean regions is increasingly constrained by limited water availability, making it essential to identify genotypes that can maintain yield under reduced irrigation. In this study, four partially interspecific cotton lines (Pa7) and the commercial cultivar Celia were evaluated under two nitrogen rates designed to test resource-use efficiency and three irrigation regimes across two growing seasons in Greece. A strip–split plot design with three replications was used, and field data were analyzed with ANOVA, stability indices, and multivariate tools (Additive Main Effects and Multiplicative Interaction—AMMI, and Genotype plus Genotype × Environment—GGE biplots). Results showed that moderate irrigation consistently ensured stable seed cotton yields, whereas a higher water supply increased the plant height without proportional yield benefits, while fertilizer supplied in the specific quantities showed a lower impact on yield stability. Genotype × environment interactions were highly significant: Celia confirmed its high stability, while line M3 combined good stability with favorable agronomic traits. Yield was strongly associated with boll weight and lint percentage, indicating their usefulness as indirect selection criteria. These findings highlight the agronomic potential of partially interspecific cotton lines and demonstrate that moderate irrigation can sustain productivity while reducing water inputs, contributing to a more efficient use of resources in cotton production under water-limited conditions. These results provide practical insights for breeding and water management strategies aiming to sustain cotton productivity under Mediterranean water-limited conditions.
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Claims 10
Claim · model-written summary
Moderate irrigation consistently ensured stable seed cotton yields.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- moderate irrigatione0
- Outcome
- seed cotton yieldse0
- Direction
- stablee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“moderate irrigation consistently ensured stable seed cotton yields”
Claim · model-written summary
Higher water supply increased plant height.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- higher water supplye0
- Outcome
- plant heighte0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a higher water supply increased the plant height without proportional yield benefits”
t0“Cotton”
Claim · model-written summary
Higher water supply did not provide proportional yield benefits.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- higher water supplye0
- Outcome
- yield benefitse0
- Direction
- without proportionale0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a higher water supply increased the plant height without proportional yield benefits”
t0“Cotton”
Claim · model-written summary
The tested fertilizer quantities had lower impact on yield stability.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- fertilizer supplied in the specific quantitiese0
- Outcome
- yield stabilitye0
- Direction
- lower impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertilizer supplied in the specific quantities showed a lower impact on yield stability”
t0“Cotton”
Claim · model-written summary
Genotype × environment interactions were highly significant.
- Taxon
- CottonGossypium hirsutumt0
- Material
- Genotypee0
- Outcome
- Genotype × environment interactionse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotype × environment interactions were highly significant”
t0“Cotton”
Claim · model-written summary
Celia had high yield stability.
- Taxon
- CottonGossypium hirsutumt0
- Material
- Celiae0
- Outcome
- high stabilitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Celia confirmed its high stability”
t0“Cotton”
Claim · model-written summary
Line M3 combined good stability with favorable agronomic traits.
- Taxon
- CottonGossypium hirsutumt0
- Material
- M3e0
- Outcome
- good stability with favorable agronomic traitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“line M3 combined good stability with favorable agronomic traits”
t0“Cotton”
Claim · model-written summary
Yield was strongly associated with boll weight.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- bolle0
- Outcome
- Yielde0
- Qualifier
- strongly associatede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield was strongly associated with boll weight and lint percentage”
t0“Cotton”
Claim · model-written summary
Yield was strongly associated with lint percentage.
- Taxon
- CottonGossypium hirsutumt0
- Material
- lint percentagee0
- Outcome
- Yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield was strongly associated with boll weight and lint percentage”
t0“Cotton”
Claim · model-written summary
Boll weight and lint percentage were identified as useful indirect selection criteria.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- indirect selection criteriae0
- Qualifier
- boll weight and lint percentagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield was strongly associated with boll weight and lint percentage, indicating their usefulness as indirect selection criteria.”
t0“Cotton”
The same questions in other papers
irrigation · growth · Gossypium hirsutum (cotton)Positive and negative results
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- no effect
- positive
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See all 144 papers →irrigation · yield · Gossypium hirsutum (cotton)Positive and negative results
303 papers in the same direction as this paper · 86 in the opposite direction · 9 reporting no difference from an alternative
- no effect
- no effect
- negative
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See all 399 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.