Abstract
Sodium arsenate (Na2HAsO4.7H2O) is a potent inhibitor of mungbean seed germination and seedling growth. Germination is totally stopped at or above 50 microM Na2HAsO4.7H2O. Inhibition of seedling elongation started at a lower concentration of 5 microM As(V) and was drastically reduced at 20 microM As(V). Nutrients like salts of macroelements viz., NaH2PO4.2H2O, KH2PO4, K2SO4, MgSO4.7H2O, CaCl2.2H2O, (NH4)2SO4 NH4NO3 solutions at a concentration of 10mM and microelements viz., ZnSO4, CuSO4.5H2O, Na2MoO4.2H2O, MnCl2.4H2O, CoCl2.6H2O, FeSO4.7H2O solutions at a concentration of 1mM could help to ameliorate the toxic effects of As(V) to different degrees. Amelioration of As(V) toxicity was possible only when the mungbean seeds were pretreated with the above mentioned nutrients for 24 hr and then transferred to sodium arsenate. Simultaneous treatment of nutrients with As(V) or using nutrient solutions following As(V) treatment were of no help to reverse the toxic effects of sodium arsenate.
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Claims 6
Claim · model-written summary
Arsenate completely stopped mungbean germination at or above 50 microM.
- Taxon
- mungbean
.jpg?width=60)
Vigna radiatat0 - Treatment
- 50 microM Na2HAsO4.7H2Oe0
- Outcome
- Germinatione0
- Direction
- totally stoppede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Germination is totally stopped at or above 50 microM Na2HAsO4.7H2O”
t0“mungbean seedlings”
Claim · model-written summary
As(V) inhibited seedling elongation from 5 microM and drastically at 20 microM.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- As(V)e0
- Outcome
- seedling elongatione0
- Direction
- Inhibitione0
- Value
- 5 microM As(V)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inhibition of seedling elongation started at a lower concentration of 5 microM As(V) and was drastically reduced at 20 microM As(V)”
t0“mungbean seedlings”
Claim · model-written summary
Nutrient salts ameliorated As(V) toxicity to varying degrees.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- Nutrientse0
- Outcome
- toxic effects of As(V)e0
- Direction
- amelioratee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nutrients like salts of macroelements viz., NaH2PO4.2H2O, KH2PO4, K2SO4, MgSO4.7H2O, CaCl2.2H2O, (NH4)2SO4 NH4NO3 solutions at a concentration of 10mM and microelements viz., ZnSO4, CuSO4.5H2O, Na2MoO4.2H2O, MnCl2.4H2O, CoCl2.6H2O, FeSO4.7H2O solutions at a concentration of 1mM could help to ameliorate the toxic effects of As(V) to different degrees”
t0“mungbean seedlings”
Claim · model-written summary
Nutrient pretreatment for 24 hr was required for amelioration.
- Taxon
- mungbeanVigna radiatae0
- Treatment
- pretreated with the above mentioned nutrients for 24 hre0
- Outcome
- Amelioration of As(V) toxicity was possible onlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Amelioration of As(V) toxicity was possible only when the mungbean seeds were pretreated with the above mentioned nutrients for 24 hr and then transferred to sodium arsenate”
Claim · model-written summary
Simultaneous nutrient and As(V) treatment did not reverse arsenate toxicity.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- Simultaneous treatment of nutrients with As(V)e0
- Outcome
- toxic effects of sodium arsenatee0
- Direction
- no help to reversee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Simultaneous treatment of nutrients with As(V) or using nutrient solutions following As(V) treatment were of no help to reverse the toxic effects of sodium arsenate”
t0“mungbean seedlings”
Claim · model-written summary
Nutrients given after As(V) did not reverse arsenate toxicity.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- using nutrient solutions following As(V) treatmente0
- Outcome
- toxic effects of sodium arsenatee0
- Direction
- no help to reversee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using nutrient solutions following As(V) treatment were of no help to reverse the toxic effects of sodium arsenate”
t0“mungbean seedlings”
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See all 10 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.