Abstract
In order to study the changes of rewatering after long-term drought stress on cotton,we used up-land cultivar Xinluzao 45 as the materials to measure the photosynthetic capacity,specific leaf weight and carbon-nitrogen ratio(C/N)in developing leaves.The results showed that the net photosynthetic rate,stomatal conductance and leaf area of developing leaves increase undergoing rewatering after long-term drought stress,the content of chlorophyll and nitrogen also increased to varying degrees.The content of nitrogen in the developing leaves after rewatering increased,and the time of C/N ratio also rose earlier. Our results indicated that the photosynthetic characteristics of leaves changed undergoing rewatering after long-term drought stress.The higher content of chlorophyll,nitrogen,and stomatal conductance could provide basic conditions for the higher net photosynthetic rate.The time of C/N ratio rising earlier in developing leave after rewatering probably suggested that the photoassimilate of cotton inclined to reproductive growth after rewatering.
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Claims 8
Claim · model-written summary
Rewatering after prolonged drought increased net photosynthetic rate in developing cotton leaves.
- Taxon
- Cotton
Gossypium hirsutumt0 - Organ / stage
- developing leavese0
- Treatment
- rewatering after long-term drought stresse0
- Outcome
- net photosynthetic ratee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that the net photosynthetic rate,stomatal conductance and leaf area of developing leaves increase undergoing rewatering after long-term drought stress,the content of chlorophyll and nitrogen also increased to varying degrees.”
t0“Cotton”
Claim · model-written summary
Rewatering after prolonged drought increased stomatal conductance in developing cotton leaves.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- developing leavese0
- Treatment
- rewatering after long-term drought stresse0
- Outcome
- stomatal conductancee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that the net photosynthetic rate,stomatal conductance and leaf area of developing leaves increase undergoing rewatering after long-term drought stress,the content of chlorophyll and nitrogen also increased to varying degrees.”
t0“Cotton”
Claim · model-written summary
Rewatering after prolonged drought increased leaf area in developing cotton leaves.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- developing leavese0
- Treatment
- rewatering after long-term drought stresse0
- Outcome
- leaf areae0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that the net photosynthetic rate,stomatal conductance and leaf area of developing leaves increase undergoing rewatering after long-term drought stress,the content of chlorophyll and nitrogen also increased to varying degrees.”
t0“Cotton”
Claim · model-written summary
Rewatering after prolonged drought increased content of chlorophyll in developing cotton leaves.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- developing leavese0
- Treatment
- rewatering after long-term drought stresse0
- Outcome
- content of chlorophylle0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that the net photosynthetic rate,stomatal conductance and leaf area of developing leaves increase undergoing rewatering after long-term drought stress,the content of chlorophyll and nitrogen also increased to varying degrees.”
t0“Cotton”
Claim · model-written summary
Rewatering after prolonged drought increased nitrogen in developing cotton leaves.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- developing leavese0
- Treatment
- rewatering after long-term drought stresse0
- Outcome
- nitrogene0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that the net photosynthetic rate,stomatal conductance and leaf area of developing leaves increase undergoing rewatering after long-term drought stress,the content of chlorophyll and nitrogen also increased to varying degrees.”
t0“Cotton”
Claim · model-written summary
After rewatering, the C/N ratio rose earlier in developing leaves.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- developing leavese0
- Treatment
- rewateringe0
- Outcome
- time of C/N ratioe0
- Direction
- rose earliere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The content of nitrogen in the developing leaves after rewatering increased,and the time of C/N ratio also rose earlier.”
t0“Cotton”
Claim · model-written summary
The authors suggest higher chlorophyll, nitrogen and stomatal conductance could support a higher photosynthetic rate.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- net photosynthetic ratee0
- Qualifier
- higher content of chlorophyll,nitrogen,and stomatal conductancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The higher content of chlorophyll,nitrogen,and stomatal conductance could provide basic conditions for the higher net photosynthetic rate.”
t0“Cotton”
Claim · model-written summary
The authors suggest earlier C/N increase may shift cotton photoassimilate toward reproductive growth.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- photoassimilate of cotton inclined to reproductive growthe0
- Qualifier
- time of C/N ratio rising earliere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The time of C/N ratio rising earlier in developing leave after rewatering probably suggested that the photoassimilate of cotton inclined to reproductive growth after rewatering.”
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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.