Abstract
Effects of silicon (Si) on subcellular distribution and chemical forms of Cd in two contrasting peanut cultivars, Qishan 208 (low seed Cd cultivar) and Haihua 1 (high seed Cd cultivar), were investigated by a hydroponics experiment at low Cd level (0.2 μM CdCl2). Two cultivars differ in Cd translocation, subcellular distribution and chemical forms. In comparison to Qishan 208, Haihua 1 shows higher translocation factors (TFs); this may be resulted from higher Cd in the soluble fraction, and a larger proportion of inorganic Cd (extracted by 80% ethanol) and water-soluble Cd (extracted by d-H2O) in roots. Pretreatment with Si decreased Cd in the cell wall, and enhanced Cd in the soluble fraction for both cultivars. However, effects of Si on chemical forms and TFs are cultivar dependent. Si enhances Cd translocation and the d-H2O extractable Cd in Haihua 1. Positive correlations were observed between TF and Cd in the soluble fraction (r = 0.71, P < 0.05), and between TF and d-H2O extractable Cd in root (r = 0.89, P < 0.001). Therefore, larger proportion of d-H2O extractable Cd may be responsible for high TF in Si pretreated plants of Haihua 1.
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Claims 11
Claim · model-written summary
Haihua 1 had higher cadmium translocation factors than Qishan 208.
- Taxon
- peanut
Arachis hypogaeat0 - Material
- Haihua 1e0
- Outcome
- translocation factors (TFs)e0
- Direction
- highere0
- Comparator
- Qishan 208e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In comparison to Qishan 208, Haihua 1 shows higher translocation factors (TFs)”
t0“peanut”
Claim · model-written summary
Haihua 1 had more cadmium in the soluble fraction than Qishan 208.
- Taxon
- peanutArachis hypogaeat0
- Material
- Haihua 1e1
- Outcome
- Cd in the soluble fractione0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher Cd in the soluble fraction, and a larger proportion of inorganic Cd (extracted by 80% ethanol) and water-soluble Cd (extracted by d-H2O) in roots.”
t0“peanut”
e1“In comparison to Qishan 208, Haihua 1 shows higher translocation factors (TFs)”
Claim · model-written summary
Haihua 1 roots had a larger proportion of inorganic cadmium.
- Taxon
- peanutArachis hypogaeat0
- Material
- Haihua 1e1
- Outcome
- inorganic Cde0
- Direction
- largere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a larger proportion of inorganic Cd (extracted by 80% ethanol) and water-soluble Cd (extracted by d-H2O) in roots.”
t0“peanut”
e1“In comparison to Qishan 208, Haihua 1 shows higher translocation factors (TFs)”
Claim · model-written summary
Haihua 1 roots had a larger proportion of water-soluble cadmium.
- Taxon
- peanutArachis hypogaeat0
- Material
- Haihua 1e1
- Outcome
- water-soluble Cde0
- Direction
- largere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a larger proportion of inorganic Cd (extracted by 80% ethanol) and water-soluble Cd (extracted by d-H2O) in roots.”
t0“peanut”
e1“In comparison to Qishan 208, Haihua 1 shows higher translocation factors (TFs)”
Claim · model-written summary
Silicon pretreatment decreased cell-wall cadmium in both cultivars.
- Taxon
- peanutArachis hypogaeat0
- Treatment
- Pretreatment with Sie0
- Outcome
- Cd in the cell walle0
- Direction
- decreasede0
- Qualifier
- both cultivarse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pretreatment with Si decreased Cd in the cell wall, and enhanced Cd in the soluble fraction for both cultivars.”
t0“peanut”
Claim · model-written summary
Silicon pretreatment enhanced soluble-fraction cadmium in both cultivars.
- Taxon
- peanutArachis hypogaeat0
- Treatment
- Pretreatment with Sie0
- Outcome
- Cd in the soluble fractione0
- Direction
- enhancede0
- Qualifier
- both cultivarse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pretreatment with Si decreased Cd in the cell wall, and enhanced Cd in the soluble fraction for both cultivars.”
t0“peanut”
Claim · model-written summary
Silicon enhanced cadmium translocation in Haihua 1.
- Taxon
- peanutArachis hypogaeat0
- Material
- Haihua 1e0
- Treatment
- Sie0
- Outcome
- Cd translocatione0
- Direction
- enhancese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si enhances Cd translocation and the d-H2O extractable Cd in Haihua 1.”
t0“peanut”
Claim · model-written summary
Silicon enhanced water-extractable cadmium in Haihua 1.
- Taxon
- peanutArachis hypogaeat0
- Material
- Haihua 1e0
- Treatment
- Sie0
- Outcome
- d-H2O extractable Cde0
- Direction
- enhancese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si enhances Cd translocation and the d-H2O extractable Cd in Haihua 1.”
t0“peanut”
Claim · model-written summary
Translocation factor correlated positively with soluble-fraction cadmium.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Positive correlations were observed between TF and Cd in the soluble fraction (r = 0.71, P < 0.05)”
t0“peanut”
Claim · model-written summary
Translocation factor correlated positively with root water-extractable cadmium.
- Taxon
- peanutArachis hypogaeat0
- Compound
- Cde0
- Outcome
- TFe0
- Value
- r = 0.89e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“between TF and d-H2O extractable Cd in root (r = 0.89, P < 0.001).”
t0“peanut”
Claim · model-written summary
More water-extractable cadmium may explain the high translocation factor in silicon-pretreated Haihua 1.
- Taxon
- peanutArachis hypogaeat0
- Material
- Haihua 1e0
- Treatment
- Sie0
- Compound
- d-H2O extractable Cde0
- Outcome
- high TFe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“larger proportion of d-H2O extractable Cd may be responsible for high TF in Si pretreated plants of Haihua 1.”
t0“peanut”
The same questions in other papers
silicon atom · nutrient: content · Arachis hypogaea (peanut)Positive and negative results
3 in the opposite direction
- positive
- positive
- positive
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.