Abstract
Saltgrass (Distichlis spicata), clonal accession WA-12, collected from Wilcox, Arizona was studied in a greenhouse to evaluate its growth responses in terms of shoot and root lengths, shoot fresh weight, and shoot and root dry weights under control and salt (sodium chloride) stress conditions. Plants were grown under control (no salt) and three levels of salt stress (100, 200, and 400mM NaCl equivalent to 6250, 12500, and 25,000 g LB1 sodium chloride, respectively), using Hoagland solution in a hydroponics system. Plant shoots (clippings) were harvested weekly, oven dried at 60 oC, and dry weights recorded. At each harvest, both shoot and root lengths were measured and recorded. At the last harvest, plant roots were also harvested, oven dried, and dry weights were determined and recorded. The results show that the shoot and root lengths decreased with increasing the salinity levels, however, both shoot fresh and dry weights significantly increased at 200mM NaCl salinity compared with the control or the 400mM NaCl level. Root dry weights at both 200mM and 400mM NaCl salinity levels were significantly higher than the control.
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Claims 3
Claim · model-written summary
Shoot and root lengths declined with rising salinity.
- Taxon
- Saltgrass (Distichlis spicata)
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Distichlis spicatae0t0 - Material
- WA-12t0
- Treatment
- salinity levelse0
- Outcome
- shoot and root lengthse0
- Direction
- decreasede0
- Comparator
- controlt0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“the shoot and root lengths decreased with increasing the salinity levels”
t0“Saltgrass (Distichlis spicata), clonal accession WA-12, collected from Wilcox, Arizona was studied in a greenhouse to evaluate its growth responses in terms of shoot and root lengths, shoot fresh weight, and shoot and root dry weights under control and salt (sodium chloride) stress conditions”
Claim · model-written summary
Shoot fresh and dry weights rose significantly at 200mM NaCl relative to control or 400mM.
- Taxon
- SaltgrassDistichlis spicatat0
- Treatment
- 200mM NaCl salinitye0
- Outcome
- shoot fresh and dry weightse0
- Direction
- increasede0
- Comparator
- the control or the 400mM NaCl levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both shoot fresh and dry weights significantly increased at 200mM NaCl salinity compared with the control or the 400mM NaCl level”
t0“Saltgrass”
Claim · model-written summary
Root dry weight was significantly higher at 200mM and 400mM than control.
- Taxon
- SaltgrassDistichlis spicatat0
- Treatment
- 200mM and 400mM NaCl salinity levelse0
- Outcome
- Root dry weightse0
- Direction
- highere0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root dry weights at both 200mM and 400mM NaCl salinity levels were significantly higher than the control”
t0“Saltgrass”
The same questions in other papers
salinity · growth · Distichlis spicata (saltgrass)Positive and negative results
3 papers in the same direction as this paper · 5 in the opposite direction
- negative
- negative
- no effect
5 papers more in this group
See all 9 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.