Abstract
The present study was conducted to investigate the effects of iso-osmotic Na+, Cl- and NaCl stress on the plant growth and physiological parameters of self grafted and Figleaf gourd grafted cucumber. The results showed that, compared to non salt stress cucumber, Na+, Cl- and NaCl stress significantly decreased the plant growth. By comparison, less effect was induced by Cl-, and more effect was induced by Na+ and NaCl. Compared to self-grafted cucumber, Figleaf gourd grafting significantly increased the tolerance of cucumber to Na+ and NaCl stress. The shoot water content, Na+ content of root, K+, Ca2+ contents of stem and leaf, as well as leaf SOD activities were much higher in the Figleaf gourd grafted plants, while Na+ contents of stem and leaf were much lower than self-grafted cucumber under iso-osmotic Na+ and NaCl stress. The above results suggested that the sensitivity of cucumber to Na+ and Cl- is different. The toxicity induced by Na+ is much higher than Cl-. The improved salt tolerance of cucumber by grafting onto Figleaf gourd was achieved mainly by higher accumulation of Na+ in the root, and limited Na+ transport to the shoot. Thus, Na+ exclusion in the shoot plays a pivotal role in the salt tolerance of grafted cucumber.
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Claims 13
Claim · model-written summary
Na+ stress significantly decreased cucumber growth versus no salt stress.
- Taxon
- cucumber
Cucumis sativuse0 - Treatment
- Na+e0
- Outcome
- plant growthe0
- Direction
- decreasede0
- Comparator
- non salt stress cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“compared to non salt stress cucumber, Na+, Cl- and NaCl stress significantly decreased the plant growth”
Claim · model-written summary
Cl- stress significantly decreased cucumber growth versus no salt stress.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Cl-e0
- Outcome
- plant growthe0
- Direction
- decreasede0
- Comparator
- non salt stress cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“compared to non salt stress cucumber, Na+, Cl- and NaCl stress significantly decreased the plant growth”
Claim · model-written summary
NaCl stress significantly decreased cucumber growth versus no salt stress.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- NaCl stresse0
- Outcome
- plant growthe0
- Direction
- decreasede0
- Comparator
- non salt stress cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“compared to non salt stress cucumber, Na+, Cl- and NaCl stress significantly decreased the plant growth”
Claim · model-written summary
Cl- had a smaller effect than Na+ and NaCl on cucumber growth.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“less effect was induced by Cl-, and more effect was induced by Na+ and NaCl”
t0“CUCUMBER”
Claim · model-written summary
Figleaf gourd grafting significantly increased cucumber tolerance to Na+ stress relative to self-grafting.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Figleaf gourd graftinge0
- Outcome
- tolerance of cucumber to Na+e0
- Direction
- increasede0
- Comparator
- self-grafted cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared to self-grafted cucumber, Figleaf gourd grafting significantly increased the tolerance of cucumber to Na+ and NaCl stress”
Claim · model-written summary
Figleaf gourd grafting significantly increased cucumber tolerance to NaCl stress relative to self-grafting.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Figleaf gourd graftinge0
- Outcome
- tolerance of cucumber to Na+ and NaCl stresse0
- Direction
- increasede0
- Comparator
- self-grafted cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared to self-grafted cucumber, Figleaf gourd grafting significantly increased the tolerance of cucumber to Na+ and NaCl stress”
Claim · model-written summary
Under Na+ and NaCl stress, Figleaf gourd grafted plants had higher shoot water content than self-grafted cucumber.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Figleaf gourd grafted plantse0
- Outcome
- shoot water contente0
- Direction
- much highere0
- Qualifier
- under iso-osmotic Na+ and NaCl stresse0
- Comparator
- self-grafted cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The shoot water content, Na+ content of root, K+, Ca2+ contents of stem and leaf, as well as leaf SOD activities were much higher in the Figleaf gourd grafted plants, while Na+ contents of stem and leaf were much lower than self-grafted cucumber under iso-osmotic Na+ and NaCl stress”
Claim · model-written summary
Under Na+ and NaCl stress, Figleaf gourd grafted plants had higher root Na+ content.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Figleaf gourd grafted plantse0
- Outcome
- Na+ content of roote0
- Direction
- much highere0
- Comparator
- self-grafted cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Na+ content of root, K+, Ca2+ contents of stem and leaf, as well as leaf SOD activities were much higher in the Figleaf gourd grafted plants, while Na+ contents of stem and leaf were much lower than self-grafted cucumber under iso-osmotic Na+ and NaCl stress”
Claim · model-written summary
Under Na+ and NaCl stress, Figleaf gourd grafted plants had higher stem and leaf K+ and Ca2+ contents.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Figleaf gourd grafted plantse0
- Outcome
- K+, Ca2+ contents of stem and leafe0
- Direction
- much highere0
- Comparator
- self-grafted cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“K+, Ca2+ contents of stem and leaf, as well as leaf SOD activities were much higher in the Figleaf gourd grafted plants, while Na+ contents of stem and leaf were much lower than self-grafted cucumber under iso-osmotic Na+ and NaCl stress”
Claim · model-written summary
Under Na+ and NaCl stress, Figleaf gourd grafted plants had higher leaf SOD activity.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Figleaf gourd grafted plantse0
- Outcome
- leaf SOD activitiese0
- Direction
- much highere0
- Comparator
- self-grafted cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf SOD activities were much higher in the Figleaf gourd grafted plants, while Na+ contents of stem and leaf were much lower than self-grafted cucumber under iso-osmotic Na+ and NaCl stress”
Claim · model-written summary
Under Na+ and NaCl stress, Figleaf gourd grafted plants had lower stem and leaf Na+ contents.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Figleaf gourd grafted plantse0
- Outcome
- Na+ contents of stem and leafe0
- Direction
- much lowere0
- Comparator
- self-grafted cucumbere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The shoot water content, Na+ content of root, K+, Ca2+ contents of stem and leaf, as well as leaf SOD activities were much higher in the Figleaf gourd grafted plants, while Na+ contents of stem and leaf were much lower than self-grafted cucumber under iso-osmotic Na+ and NaCl stress”
Claim · model-written summary
The authors attribute improved cucumber salt tolerance after Figleaf gourd grafting mainly to root Na+ accumulation and restricted shoot transport.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- grafting onto Figleaf gourde0
- Outcome
- improved salt tolerancee0
- Qualifier
- higher accumulation of Na+ in the root, and limited Na+ transport to the shoote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The improved salt tolerance of cucumber by grafting onto Figleaf gourd was achieved mainly by higher accumulation of Na+ in the root, and limited Na+ transport to the shoot”
Claim · model-written summary
The authors identify shoot Na+ exclusion as pivotal to grafted cucumber salt tolerance.
- Taxon
- cucumberCucumis sativuse0
- Outcome
- salt tolerance of grafted cucumbere0
- Qualifier
- Na+ exclusion in the shoote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Na+ exclusion in the shoot plays a pivotal role in the salt tolerance of grafted cucumber”
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