Abstract
Growth and physiological responses of cotton (Gossypium hirsutum L.) cultivars with different phosphorus (P) efficiencies under variable P environment are poorly known. Therefore, this study explored effects of normal P [P+, 70 kg(P2O5) ha-1] and without P (P-, 0 kg ha-1) on yield, growth, and physiology of different P-efficient cultivars [low-efficient Xinluzao 13 (L1) and Xinluzao 26 (L2); medium-efficient Xinluzao 10 (M1) and Xinluzao 24 (M2); high-efficient Zhongmiansuo 42 (H1) and Xinluzao19 (H2)]. Cotton growth and yield was higher in H1 and H2 cultivars under P+ compare to P-. Leaf photosynthesis, intercellular CO2 concentration, stomatal conductance, and net assimilation rate increased under P+ and in high-efficient cultivars. Greater Rubisco activity and higher soluble sugar content further promoted P uptake and utilization efficiency which resulted in a higher yield under normal P+ than that at P- treatment. High-P-efficient cultivars have the potential to increase the yield by improving cotton growth and physiological attributes under P+.
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Claims 6
Claim · model-written summary
Cotton growth and yield was higher in high-efficiency cultivars H1 and H2 under normal P than without P.
- Taxon
- Gossypium hirsutum L.
Gossypium hirsutume0 - Material
- H1 and H2 cultivarse1
- Treatment
- normal P [P+, 70 kg(P2O5) ha-1]e2
- Outcome
- growth and yielde1
- Direction
- highere1
- Comparator
- without P (P-, 0 kg ha-1)e2
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth and physiological responses of cotton (Gossypium hirsutum L.) cultivars”
e1“Cotton growth and yield was higher in H1 and H2 cultivars under P+ compare to P-”
e2“normal P [P+, 70 kg(P2O5) ha-1] and without P (P-, 0 kg ha-1)”
Claim · model-written summary
Leaf photosynthesis, intercellular CO2 concentration and stomatal conductance increased under normal P and in high-efficiency cultivars.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutume0
- Material
- high-efficient cultivarse3
- Treatment
- normal P [P+, 70 kg(P2O5) ha-1]e2
- Outcome
- Leaf photosynthesis, intercellular CO2 concentration, stomatal conductancee3
- Direction
- increasede3
- Comparator
- without P (P-, 0 kg ha-1)e2
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth and physiological responses of cotton (Gossypium hirsutum L.) cultivars”
e2“normal P [P+, 70 kg(P2O5) ha-1] and without P (P-, 0 kg ha-1)”
e3“Leaf photosynthesis, intercellular CO2 concentration, stomatal conductance, and net assimilation rate increased under P+ and in high-efficient cultivars”
Claim · model-written summary
Net assimilation rate increased under normal P and in high-efficiency cultivars.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutume0
- Material
- high-efficient cultivarse3
- Treatment
- normal P [P+, 70 kg(P2O5) ha-1]e2
- Outcome
- net assimilation ratee3
- Direction
- increasede3
- Comparator
- without P (P-, 0 kg ha-1)e2
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth and physiological responses of cotton (Gossypium hirsutum L.) cultivars”
e2“normal P [P+, 70 kg(P2O5) ha-1] and without P (P-, 0 kg ha-1)”
e3“Leaf photosynthesis, intercellular CO2 concentration, stomatal conductance, and net assimilation rate increased under P+ and in high-efficient cultivars”
Claim · model-written summary
Greater Rubisco activity and higher soluble sugar content promoted P uptake and utilization efficiency in cotton.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutume0
- Gene
- Rubiscoe4
- Compound
- soluble sugare4
- Outcome
- P uptake and utilization efficiencye4
Not reportedMaterialOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth and physiological responses of cotton (Gossypium hirsutum L.) cultivars”
e4“Greater Rubisco activity and higher soluble sugar content further promoted P uptake and utilization efficiency”
Claim · model-written summary
Yield was higher under normal P+ than under P-.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutume0
- Treatment
- normal P+e5
- Outcome
- yielde5
- Direction
- highere5
- Comparator
- P- treatmente5
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth and physiological responses of cotton (Gossypium hirsutum L.) cultivars”
e5“resulted in a higher yield under normal P+ than that at P- treatment”
Claim · model-written summary
High-efficiency cultivars have the potential to increase yield by improving growth and physiological attributes under P+.
- Taxon
- Gossypium hirsutum L.Gossypium hirsutume0
- Material
- High-P-efficient cultivarse6
- Outcome
- increase the yielde6
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth and physiological responses of cotton (Gossypium hirsutum L.) cultivars”
e6“High-P-efficient cultivars have the potential to increase the yield by improving cotton growth and physiological attributes under P+”
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