Abstract
To investigate the effects of salt stress on the growth, development, and endogenous hormone content of roots in diploid and tetraploid seedlings of Anthurium andraeanum, the enhanced salt tolerance was elucidated. The seedlings of A. andraeanum 'Pink champion' were placed at NaCl concentrations of 0, 50, 100, 150, and 200 mmol·L⁻¹. The results indicated that NaCl stress can reduce leaf area, total root length, root volume, average root diameter, root tip number, root vitality, root hair length, root hair diameter, root hair density, and the growth rate of root hair. At the same time, it can also shorten the length of mature area, elongation area, meristem area, and root crown area. The reduction in diploids was greater than tetraploids. NaCl stress also increased mortality rate, Indoleacetic Acid (IAA) content, and Ethylene (ET) production rate, with a smaller increase in tetraploids. Overall, NaCl stress can elevate the IAA content and ET production in diploids and tetraploids, with tetraploids being less affected, indicating higher salt tolerance.
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Claims 11
Claim · model-written summary
NaCl stress reduced leaf area of Anthurium andraeanum seedlings.
- Taxon
- Anthurium andraeanum
Anthurium andraeanumt0 - Treatment
- NaCl stresse1
- Outcome
- leaf areae1
- Direction
- reducee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e1“NaCl stress can reduce leaf area”
Claim · model-written summary
NaCl stress reduced total root length, root volume and average root diameter.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Treatment
- NaCl stresse2
- Outcome
- total root length, root volume, average root diametere2
- Direction
- reducee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e2“NaCl stress can reduce leaf area, total root length, root volume, average root diameter”
Claim · model-written summary
NaCl stress decreased root tip number, root vitality and root hair length.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Treatment
- NaCl stresse1
- Outcome
- root tip number, root vitality, root hair lengthe3
- Direction
- decreaseinferrede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e1“NaCl stress can reduce leaf area”
e3“average root diameter, root tip number, root vitality, root hair length”
Claim · model-written summary
NaCl stress decreased root hair diameter, root hair density and the growth rate of root hair.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Treatment
- NaCl stresse1
- Outcome
- root hair diameter, root hair density, and the growth rate of root haire4
- Direction
- decreaseinferrede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e1“NaCl stress can reduce leaf area”
e4“root hair diameter, root hair density, and the growth rate of root hair”
Claim · model-written summary
NaCl stress shortened the length of mature area, elongation area and meristem area of roots.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Treatment
- NaCl stresse1
- Outcome
- length of mature area, elongation area, meristem areae5
- Direction
- shortene5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e1“NaCl stress can reduce leaf area”
e5“it can also shorten the length of mature area, elongation area, meristem area, and root crown area”
Claim · model-written summary
NaCl stress shortened the root crown area.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Treatment
- NaCl stresse1
- Outcome
- root crown areae5
- Direction
- shortene5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e1“NaCl stress can reduce leaf area”
e5“it can also shorten the length of mature area, elongation area, meristem area, and root crown area”
Claim · model-written summary
NaCl stress increased the mortality rate of Anthurium andraeanum seedlings.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Treatment
- NaCl stresse7
- Outcome
- mortality ratee7
- Direction
- increasede7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e7“NaCl stress also increased mortality rate, Indoleacetic Acid (IAA) content, and Ethylene (ET) production rate”
Claim · model-written summary
NaCl stress increased the Indoleacetic Acid (IAA) content of Anthurium andraeanum seedlings.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Treatment
- NaCl stresse7
- Outcome
- Indoleacetic Acid (IAA) contente7
- Direction
- increasede7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e7“NaCl stress also increased mortality rate, Indoleacetic Acid (IAA) content, and Ethylene (ET) production rate”
Claim · model-written summary
NaCl stress increased the Ethylene (ET) production rate of Anthurium andraeanum seedlings.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Treatment
- NaCl stresse7
- Outcome
- Ethylene (ET) production ratee7
- Direction
- increasede7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e7“NaCl stress also increased mortality rate, Indoleacetic Acid (IAA) content, and Ethylene (ET) production rate”
Claim · model-written summary
Tetraploid seedlings were less affected by salt stress and indicate higher salt tolerance.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Material
- tetraploidse1
- Outcome
- salt tolerancee1
- Direction
- highere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e1“with tetraploids being less affected, indicating higher salt tolerance”
Claim · model-written summary
The reduction caused by salt stress was greater in diploid than in tetraploid seedlings.
- Taxon
- Anthurium andraeanumAnthurium andraeanumt0
- Material
- diploidse1
- Outcome
- reductione1
- Direction
- greatere1
- Comparator
- tetraploidse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Anthurium andraeanum”
e1“The reduction in diploids was greater than tetraploids”