Abstract
Abstract To assess whether grafting raised the salt tolerance of cucumber seedlings by limiting transport of Na+ to the leaf and to test whether the salt tolerance of grafted plants was affected by the shoot genotype, two cucumber cultivars (“Jinchun No. 2”, a relatively salt-sensitive cultivar, and “Zaoduojia”, a relative salt-tolerant cultivar) were grafted onto rootstock pumpkin (Cucurbita moschata Duch. cv. “Chaojiquanwang”, a salt-tolerant cultivar). Ungrafted plants were used as controls. The effects of grafting on plant growth and ion concentrations were investigated under NaCl stress. Reductions in the shoot and root dry weights, leaf area and stem diameter of grafted plants were lower and concentrations of K+ and Cl− in the leaves were higher than those of ungrafted plants under the same NaCl stress. The Na+ concentration and Na+/K+ ratio in scion leaves and in the stems of grafted plants were lower, whereas those in rootstock stems and roots were higher than in ungrafted plants under the same NaCl stress. Shoot and root dry weight, leaf area and stem diameter were negatively correlated with leaf Na+ concentrations and Na+/K+ ratio, but were positively correlated with leaf K+ concentrations. The Na+ concentrations and Na+/K+ ratio were lower, whereas the K+ concentrations in the leaves of grafted “Zaoduojia” plants were higher than those in grafted “Jinchun No. 2” plants under the same NaCl stress. The reductions in leaf area and stem diameter of grafted “Jinchun No. 2” plants were more severe than those of grafted “Zaoduojia” plants. These results indicate that: (1) the higher salt tolerance of grafted cucumber seedlings is associated with lower Na+ concentrations and Na+/K+ ratio and higher K+ concentrations in the leaves, (2) grafting improved the salt tolerance of cucumber seedlings by limiting the transport of Na+ to the leaves, (3) the salt tolerance of grafted cucumber seedlings is related to the shoot genotype.
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Claims 11
Claim · model-written summary
Grafted plants had smaller reductions in shoot and root dry weights, leaf area, and stem diameter than ungrafted plants under NaCl stress.
- Taxon
- cucumber
Cucumis sativust0 - Treatment
- grafted plantse0
- Outcome
- shoot and root dry weights, leaf area and stem diametere0
- Direction
- lowere0
- Comparator
- ungrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reductions in the shoot and root dry weights, leaf area and stem diameter of grafted plants were lower and concentrations of K+ and Cl− in the leaves were higher than those of ungrafted plants under the same NaCl stress”
t0“cucumber seedlings”
Claim · model-written summary
Grafted plants had higher leaf K+ and Cl− concentrations than ungrafted plants under NaCl stress.
- Taxon
- cucumberCucumis sativust0
- Treatment
- grafted plantse0
- Outcome
- concentrations of K+ and Cl− in the leavese0
- Direction
- highere0
- Comparator
- ungrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reductions in the shoot and root dry weights, leaf area and stem diameter of grafted plants were lower and concentrations of K+ and Cl− in the leaves were higher than those of ungrafted plants under the same NaCl stress”
t0“cucumber seedlings”
Claim · model-written summary
Grafted plants had lower Na+ concentration and Na+/K+ ratio in scion leaves and stems than ungrafted plants.
- Taxon
- cucumberCucumis sativust0
- Treatment
- grafted plantse0
- Outcome
- Na+ concentration and Na+/K+ ratio in scion leaves and in the stemse0
- Direction
- lowere0
- Comparator
- ungrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Na+ concentration and Na+/K+ ratio in scion leaves and in the stems of grafted plants were lower, whereas those in rootstock stems and roots were higher than in ungrafted plants under the same NaCl stress”
t0“cucumber seedlings”
Claim · model-written summary
Grafted plants had higher Na+ concentration and Na+/K+ ratio in rootstock stems and roots than ungrafted plants.
- Taxon
- cucumberCucumis sativust0
- Organ / stage
- rootstock stems and rootse0
- Treatment
- grafted plantse0
- Outcome
- Na+ concentration and Na+/K+ ratioe0
- Direction
- highere0
- Comparator
- ungrafted plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Na+ concentration and Na+/K+ ratio in scion leaves and in the stems of grafted plants were lower, whereas those in rootstock stems and roots were higher than in ungrafted plants under the same NaCl stress”
t0“cucumber seedlings”
Claim · model-written summary
Growth traits were negatively correlated with leaf Na+ concentration and Na+/K+ ratio.
- Taxon
- cucumberCucumis sativust0
- Compound
- leaf Na+ concentrations and Na+/K+ ratioe0
- Outcome
- Shoot and root dry weight, leaf area and stem diametere0
- Direction
- negatively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shoot and root dry weight, leaf area and stem diameter were negatively correlated with leaf Na+ concentrations and Na+/K+ ratio”
t0“cucumber seedlings”
Claim · model-written summary
Growth traits were positively correlated with leaf K+ concentration.
- Taxon
- cucumberCucumis sativust0
- Compound
- leaf K+ concentrationse0
- Outcome
- Shoot and root dry weight, leaf area and stem diametere0
- Direction
- positively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shoot and root dry weight, leaf area and stem diameter were negatively correlated with leaf Na+ concentrations and Na+/K+ ratio, but were positively correlated with leaf K+ concentrations”
t0“cucumber seedlings”
Claim · model-written summary
Grafted Zaoduojia had lower leaf Na+ concentration and Na+/K+ ratio than grafted Jinchun No. 2.
- Taxon
- cucumberCucumis sativust0
- Material
- “Zaoduojia”e0
- Outcome
- Na+ concentrations and Na+/K+ ratioe0
- Direction
- lowere0
- Comparator
- “Jinchun No. 2”e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Na+ concentrations and Na+/K+ ratio were lower, whereas the K+ concentrations in the leaves of grafted “Zaoduojia” plants were higher than those in grafted “Jinchun No. 2” plants under the same NaCl stress”
t0“cucumber seedlings”
Claim · model-written summary
Grafted Zaoduojia had higher leaf K+ concentration than grafted Jinchun No. 2.
- Taxon
- cucumberCucumis sativust0
- Material
- “Zaoduojia”e0
- Outcome
- K+ concentrations in the leavese0
- Direction
- highere0
- Comparator
- “Jinchun No. 2”e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Na+ concentrations and Na+/K+ ratio were lower, whereas the K+ concentrations in the leaves of grafted “Zaoduojia” plants were higher than those in grafted “Jinchun No. 2” plants under the same NaCl stress”
t0“cucumber seedlings”
Claim · model-written summary
Grafted Jinchun No. 2 had more severe reductions in leaf area and stem diameter than grafted Zaoduojia.
- Taxon
- cucumberCucumis sativust0
- Material
- “Jinchun No. 2”e0
- Outcome
- reductions in leaf area and stem diametere0
- Direction
- more severee0
- Comparator
- “Zaoduojia”e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reductions in leaf area and stem diameter of grafted “Jinchun No. 2” plants were more severe than those of grafted “Zaoduojia” plants”
t0“cucumber seedlings”
Claim · model-written summary
The authors conclude grafting improved salt tolerance by limiting Na+ transport to leaves.
- Taxon
- cucumber seedlingsCucumis sativuse0
- Treatment
- graftinge0
- Outcome
- salt tolerancee0
- Direction
- improvede0
- Qualifier
- limiting the transport of Na+ to the leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grafting improved the salt tolerance of cucumber seedlings by limiting the transport of Na+ to the leaves”
Claim · model-written summary
The authors conclude salt tolerance of grafted cucumber seedlings is related to shoot genotype.
- Taxon
- cucumber seedlingsCucumis sativuse0
- Material
- shoot genotypee0
- Outcome
- salt tolerancee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the salt tolerance of grafted cucumber seedlings is related to the shoot genotype”
The same questions in other papers
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See all 6 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.