Abstract
The objectives of this study were to determine the influence of waterlogging alone, drought alone, and alternating drought and waterlogging on cotton ( Gossypium hirsutum L.) yield and yield components. Water deficit and waterlogging experiments were conducted at the flowering and boll‐setting stages of cotton. The lint and cottonseed yields were reduced after waterlogging alone, drought alone, and alternating drought and waterlogging. The lint and cottonseed yields under alternating drought and waterlogging were greater than those under drought alone. When alternating drought and waterlogging, the drought stage decreased the lint and cottonseed yields, whereas the waterlogging stage had a compensatory effect. The decrease in the number of opening bolls might be the major reason for the observed decrease in lint and cottonseed yields. Waterlogging alone, drought alone, and alternating drought and waterlogging all led to an increase in the proportion of the boll wall biomass and a decrease in the proportion of the fiber biomass of cotton bolls. The proportion of the seed biomass of cotton bolls always decreased, except under alternating drought and heavy waterlogging in 2015. The fiber/seed biomass ratio decreased, except under drought alone in 2015. These findings might provide data to support the prevention of cotton yield loss under drought and waterlogging.
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Claims 11
Claim · model-written summary
Waterlogging reduced lint and seed yields.
- Taxon
- Cotton
Gossypium hirsutumt0 - Treatment
- waterlogging alonee0
- Outcome
- lint and cottonseed yieldse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lint and cottonseed yields were reduced after waterlogging alone, drought alone, and alternating drought and waterlogging”
t0“Cotton”
Claim · model-written summary
Drought reduced lint and seed yields.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- drought alonee0
- Outcome
- lint and cottonseed yieldse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lint and cottonseed yields were reduced after waterlogging alone, drought alone, and alternating drought and waterlogging”
t0“Cotton”
Claim · model-written summary
Alternating drought and waterlogging reduced lint and seed yields.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- alternating drought and waterlogginge0
- Outcome
- lint and cottonseed yieldse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lint and cottonseed yields were reduced after waterlogging alone, drought alone, and alternating drought and waterlogging”
t0“Cotton”
Claim · model-written summary
Alternating stresses produced greater yields than drought alone.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- alternating drought and waterlogginge0
- Outcome
- lint and cottonseed yieldse0
- Direction
- greatere0
- Comparator
- drought alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lint and cottonseed yields under alternating drought and waterlogging were greater than those under drought alone”
t0“Cotton”
Claim · model-written summary
The drought phase decreased lint and seed yields.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- drought stagee0
- Outcome
- lint and cottonseed yieldse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the drought stage decreased the lint and cottonseed yields”
t0“Cotton”
Claim · model-written summary
The waterlogging phase had a compensatory effect.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- waterlogging stagee0
- Outcome
- compensatory effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“whereas the waterlogging stage had a compensatory effect”
t0“Cotton”
Claim · model-written summary
Fewer opening bolls might explain lower yield.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- decrease in lint and cottonseed yieldse0
- Qualifier
- decrease in the number of opening bollse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The decrease in the number of opening bolls might be the major reason for the observed decrease in lint and cottonseed yields”
t0“Cotton”
Claim · model-written summary
All water stress treatments increased the boll wall biomass proportion.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- proportion of the boll wall biomasse0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Waterlogging alone, drought alone, and alternating drought and waterlogging all led to an increase in the proportion of the boll wall biomass”
t0“Cotton”
Claim · model-written summary
All water stress treatments decreased the fiber biomass proportion.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- proportion of the fiber biomass of cotton bollse0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“and a decrease in the proportion of the fiber biomass of cotton bolls”
Claim · model-written summary
Seed biomass proportion generally decreased with an exception in 2015.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- proportion of the seed biomass of cotton bollse0
- Direction
- decreasede0
- Qualifier
- except under alternating drought and heavy waterlogging in 2015e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The proportion of the seed biomass of cotton bolls always decreased, except under alternating drought and heavy waterlogging in 2015”
Claim · model-written summary
Fiber to seed biomass ratio generally decreased with an exception in 2015.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- fiber/seed biomass ratioe0
- Direction
- decreasede0
- Qualifier
- except under drought alone in 2015e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fiber/seed biomass ratio decreased, except under drought alone in 2015”
t0“Cotton”
The same questions in other papers
flooding · yield · Gossypium hirsutum (cotton)Results differ
3 papers in the same direction as this paper · 14 in the opposite direction
- negative
- negative
- no effect
14 papers more in this group
See all 18 papers →drought · yield · Gossypium hirsutum (cotton)Positive and negative results
18 papers in the same direction as this paper · 63 in the opposite direction
- negative
- positive
- negative
78 papers more in this group
See all 82 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.