Abstract
A two-year field study underscores the importance of integrating genotype selection with optimized Mepiquat Chloride (MC) management to enhance cotton performance under a split–split–plot design. Significant genotype × environment × management interactions were observed in cotton growth, yield, and fiber quality responses MC application. Plant height was significantly affected by year × variety interaction (p < 0.01), with the tallest plants in Selin (2023) and Sezener (2022). Leaf area was higher in 2022, while 800 cc. ha-1 enhanced leaf expansion. Monopodial branches were significantly greater in 2023 (9.59 plant-1), with early MC application favoring branch initiation. Seed cotton yield was peak in Selin (3623 kg ha-1), 25% greater than Sezener, with split application (400 + 400 cc. ha-1) yielding best results. Boll number and individual fiber weight were higher in Selin and Sezener, respectively, with the latter showing a 48% increase under 400 cc. ha-1. Seed index was significantly higher in Sezener, and fiber moisture increased in 2023 (8.94%). Fiber quality traits revealed pronounced year, genotype, and application timing effects: fiber length peaked in Sezener (30.33 mm), elongation reached 5.80%, and micronaire increased to 4.89 µg inch-1 under split MC application. Fiber strength increased by 13.07% in 2023, and while uniformity (85.62%) maximized with later application. Short fiber content decreased by 14.81% in 2023. These findings highlight that MC concentration, timing, and genotype interactions significantly modulate morphophysiological traits, yield components, and fiber quality, with split or moderate-dose applications enhancing productivity and fiber properties under Mediterranean conditions.
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Claims 20
Claim · model-written summary
Plant height was significantly affected by a year × variety interaction in cotton.
GossypiumNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Plant height was significantly affected by year × variety interaction (p < 0.01)”
Claim · model-written summary
Selin in 2023 and Sezener in 2022 had the tallest cotton plants.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“with the tallest plants in Selin (2023) and Sezener (2022)”
Claim · model-written summary
Leaf area was higher in 2022.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Leaf area was higher in 2022”
Claim · model-written summary
An 800 cc. ha-1 MC dose enhanced cotton leaf expansion.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“while 800 cc”
e1“enhanced leaf expansion”
Claim · model-written summary
Monopodial branches were significantly greater in 2023, at 9.59 per plant.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Monopodial branches were significantly greater in 2023 (9.59 plant”
Claim · model-written summary
Early MC application increased monopodial branch initiation.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“with early MC application favoring branch initiation”
Claim · model-written summary
Seed cotton yield peaked in Selin at 3623 (kg/ha).
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Seed cotton yield was peak in Selin (3623 kg ha”
Claim · model-written summary
Seed cotton yield of Selin was 25% greater than that of Sezener.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Seed cotton yield was peak in Selin”
e1“25% greater than Sezener”
Claim · model-written summary
Split MC application (400 + 400 cc) gave the highest seed cotton yield.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“with split application (400 + 400 cc”
e1“yielding best results”
e2“Seed cotton yield was peak in Selin”
Claim · model-written summary
Boll number was higher in Selin.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Boll number and individual fiber weight were higher in Selin and Sezener, respectively”
Claim · model-written summary
Individual fiber weight was higher in Sezener.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Boll number and individual fiber weight were higher in Selin and Sezener, respectively”
Claim · model-written summary
The 400 cc. ha-1 MC dose increased individual fiber weight by 48%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“the latter showing a 48% increase under 400 cc”
e1“individual fiber weight”
Claim · model-written summary
Seed index was significantly higher in Sezener.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Seed index was significantly higher in Sezener”
Claim · model-written summary
Fiber moisture increased in 2023 to 8.94%.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“fiber moisture increased in 2023 (8.94%)”
Claim · model-written summary
Fiber length peaked in Sezener at 30.33 mm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“fiber length peaked in Sezener (30.33 mm)”
Claim · model-written summary
Elongation reached 5.80%.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“elongation reached 5.80%”
Claim · model-written summary
Split MC application increased micronaire to 4.89.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“micronaire increased to 4.89”
e1“under split MC application”
Claim · model-written summary
Fiber strength increased by 13.07% in 2023.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Fiber strength increased by 13.07% in 2023”
Claim · model-written summary
Later MC application maximized cotton uniformity at 85.62%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“uniformity (85.62%) maximized with later application”
Claim · model-written summary
Short fiber content decreased by 14.81% in 2023.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton (Gossypium spp.)”
e0“Short fiber content decreased by 14.81% in 2023”