Abstract
High temperature stress at reproductive stages of cotton crop severely affects the yield and quality of cotton crop under changing climatic conditions. To alleviate the adverse effects of high temperature stress on cotton crop, the regulatory effects of potassium (K), zinc (Zn), and boron (B) were assessed by applying different temperature regimes at three reproductive stages of cotton crop under field and glass house conditions. Cotton plants were subjected to low (32/20 °C ± 2), medium (38/24 °C ± 2), and high (45/30 °C ± 2) temperatures under glasshouse, but sown at specific dates in field to provide different temperatures at three reproductive stages. High-temperature stress at squaring, flowering and boll formation stages in both field studies increased relative cell injury (RCI), total soluble proteins (TSP), reactive oxygen species and reduced fiber yield attributes i.e. total number of bolls per plant (TNBPP), number of sympodial branches per plant (NSBPP) and quality traits. For example, RCI, TNBPP and fiber fineness were reduced by 73%, 42% and 29%, respectively under supra thermal regime (SupTR) of glass house study over the optimal thermal regime (OpTR). Foliar application of K and Zn followed by B increased TSP, RWC, TNBPP, NSBPP, fiber fineness, fiber length and fiber strength. Further, foliar spray of K and Zn followed by B also reduced H2O2 under SupTR and SubTR over the OpTR. The findings of the present study clearly demonstrate that foliar spray of Zn, K and B alleviated adverse effects of high temperature stress at squaring, flowering and boll formation stages and increased seed cotton yield and quality of cotton crop.
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Claims 11
Claim · model-written summary
High-temperature stress at reproductive stages increased relative cell injury, total soluble proteins and reactive oxygen species in cotton.
- Taxon
- Gossypium hirsutum L.
Gossypium hirsutumt0 - Organ / stage
- squaring, flowering and boll formation stagese1
- Treatment
- High-temperature stress at squaring, flowering and boll formation stagese1
- Outcome
- relative cell injury (RCI), total soluble proteins (TSP), reactive oxygen speciese1
- Direction
- increasede1
- Setting
- field studiese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e1“High-temperature stress at squaring, flowering and boll formation stages in both field studies increased relative cell injury (RCI), total soluble proteins (TSP), reactive oxygen species and reduced fiber yield attributes i.e. total number of bolls per plant (TNBPP), number of sympodial branches per plant (NSBPP) and quality traits”
Claim · model-written summary
High-temperature stress reduced the number of bolls per plant, sympodial branches per plant and quality traits in cotton.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- High-temperature stress at squaring, flowering and boll formation stagese1
- Outcome
- total number of bolls per plant (TNBPP), number of sympodial branches per plant (NSBPP) and quality traitse1
- Direction
- reducede1
- Setting
- field studiese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e1“High-temperature stress at squaring, flowering and boll formation stages in both field studies increased relative cell injury (RCI), total soluble proteins (TSP), reactive oxygen species and reduced fiber yield attributes i.e. total number of bolls per plant (TNBPP), number of sympodial branches per plant (NSBPP) and quality traits”
Claim · model-written summary
Under the supra thermal regime in the glasshouse study, relative cell injury was reduced by 73% relative to the optimal thermal regime.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- supra thermal regime (SupTR)e2
- Outcome
- RCIe2
- Direction
- reducede2
- Value
- 73%e2
- Comparator
- optimal thermal regime (OpTR)e2
- Setting
- glass house studye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e2“RCI, TNBPP and fiber fineness were reduced by 73%, 42% and 29%, respectively under supra thermal regime (SupTR) of glass house study over the optimal thermal regime (OpTR)”
Claim · model-written summary
Under the supra thermal regime in the glasshouse study, the number of bolls per plant was reduced by 42% relative to the optimal thermal regime.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- supra thermal regime (SupTR)e2
- Outcome
- TNBPPe2
- Direction
- reducede2
- Value
- 42%e2
- Comparator
- optimal thermal regime (OpTR)e2
- Setting
- glass house studye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e2“RCI, TNBPP and fiber fineness were reduced by 73%, 42% and 29%, respectively under supra thermal regime (SupTR) of glass house study over the optimal thermal regime (OpTR)”
Claim · model-written summary
Under the supra thermal regime in the glasshouse study, fiber fineness was reduced by 29% relative to the optimal thermal regime.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- supra thermal regime (SupTR)e2
- Outcome
- fiber finenesse2
- Direction
- reducede2
- Value
- 29%e2
- Comparator
- optimal thermal regime (OpTR)e2
- Setting
- glass house studye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e2“RCI, TNBPP and fiber fineness were reduced by 73%, 42% and 29%, respectively under supra thermal regime (SupTR) of glass house study over the optimal thermal regime (OpTR)”
Claim · model-written summary
Foliar application of K and Zn followed by B increased total soluble proteins and relative water content in cotton.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- Foliar application of K and Zn followed by Be3
- Outcome
- TSP, RWCe3
- Direction
- increasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e3“Foliar application of K and Zn followed by B increased TSP, RWC, TNBPP, NSBPP, fiber fineness, fiber length and fiber strength”
Claim · model-written summary
Foliar application of K and Zn followed by B increased the number of bolls per plant and sympodial branches per plant in cotton.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- Foliar application of K and Zn followed by Be3
- Outcome
- TNBPP, NSBPPe3
- Direction
- increasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e3“Foliar application of K and Zn followed by B increased TSP, RWC, TNBPP, NSBPP, fiber fineness, fiber length and fiber strength”
Claim · model-written summary
Foliar application of K and Zn followed by B increased fiber fineness, fiber length and fiber strength in cotton.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- Foliar application of K and Zn followed by Be3
- Outcome
- fiber fineness, fiber length and fiber strengthe3
- Direction
- increasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e3“Foliar application of K and Zn followed by B increased TSP, RWC, TNBPP, NSBPP, fiber fineness, fiber length and fiber strength”
Claim · model-written summary
Foliar spray of K and Zn followed by B reduced H2O2 under supra and sub thermal regimes relative to the optimal thermal regime.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- foliar spray of K and Zn followed by Be4
- Outcome
- H2O2e4
- Direction
- reducede4
- Qualifier
- under SupTR and SubTRe4
- Comparator
- OpTRe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e4“foliar spray of K and Zn followed by B also reduced H2O2 under SupTR and SubTR over the OpTR”
Claim · model-written summary
Foliar spray of Zn, K and B alleviated adverse effects of high temperature stress at squaring, flowering and boll formation stages in cotton.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Organ / stage
- squaring, flowering and boll formation stagese1
- Treatment
- foliar spray of Zn, K and Be1
- Outcome
- adverse effects of high temperature stresse1
- Direction
- alleviatede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e1“foliar spray of Zn, K and B alleviated adverse effects of high temperature stress at squaring, flowering and boll formation stages”
Claim · model-written summary
Foliar spray of Zn, K and B increased seed cotton yield and quality of cotton.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutumt0
- Treatment
- foliar spray of Zn, K and Be1
- Outcome
- seed cotton yield and qualitye1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Gossypium hirsutum L.”
e1“foliar spray of Zn, K and B alleviated adverse effects of high temperature stress at squaring, flowering and boll formation stages and increased seed cotton yield and quality”
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See all 11 papers →8 of 13 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.