Abstract
In this study, the role of salicylic acid in cadmium induced physiological changes was investigated in solid hydroponic culture in soybean plantlets. After presoaking soybean sterilized seeds in 0.5 mM SA solution for 6 hrs, seeds were transferred to pots containing perlite and then they were irrigated with Hoagland nutrient solution (full strength) containing 200 µM CdCl2 for 20 days. After harvesting the plantlets and calculation of growth parameters (root and shoot dry and fresh weight and length), photosynthetic pigments contents (chl a and b), electrolyte leakage in leaves, and cadmium content (in the roots and the shoots) as well as Ca and K content in shoots, it came to our knowledge that salicylic acid had little effect on this parameters in the absence of cadmium, but in the presence of cadmium, SA increased growth parameters, photosynthetic pigments contents, Ca and K content in shoots, against decreased electrolyte leakage in leaves and cadmium content in arial parts of plant. Therefore, SA could reduce cadmium toxicity and protect growth potential of plant by changing plant strategy in translocation of elements to aerial parts of plant and inhibition of electrolyte leakage and protection of photosynthetic pigments.
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Claims 6
Claim · model-written summary
Salicylic acid had little effect without cadmium.
- Taxon
- soybean plantlets
Glycine maxt0 - Treatment
- salicylic acide0
- Outcome
- this parameterse0
- Direction
- little effecte0
- Comparator
- absence of cadmiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salicylic acid had little effect on this parameters in the absence of cadmium”
t0“soybean plantlets”
Claim · model-written summary
SA increased growth parameters under cadmium.
- Taxon
- soybean plantletsGlycine maxt0
- Treatment
- SAe0
- Outcome
- growth parameterse0
- Direction
- increasede0
- Comparator
- presence of cadmiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the presence of cadmium, SA increased growth parameters, photosynthetic pigments contents, Ca and K content in shoots”
t0“soybean plantlets”
Claim · model-written summary
SA increased photosynthetic pigment content under cadmium.
- Taxon
- soybean plantletsGlycine maxt0
- Treatment
- SAe0
- Outcome
- photosynthetic pigments contentse0
- Direction
- increasede0
- Comparator
- presence of cadmiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the presence of cadmium, SA increased growth parameters, photosynthetic pigments contents, Ca and K content in shoots”
t0“soybean plantlets”
Claim · model-written summary
SA increased shoot Ca and K content under cadmium.
- Taxon
- soybean plantletsGlycine maxt0
- Treatment
- SAe0
- Outcome
- Ca and K content in shootse0
- Direction
- increasede0
- Comparator
- presence of cadmiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the presence of cadmium, SA increased growth parameters, photosynthetic pigments contents, Ca and K content in shoots”
t0“soybean plantlets”
Claim · model-written summary
SA decreased leaf electrolyte leakage under cadmium.
- Taxon
- soybean plantletsGlycine maxt0
- Treatment
- SAe0
- Outcome
- electrolyte leakage in leavese0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SA increased growth parameters, photosynthetic pigments contents, Ca and K content in shoots, against decreased electrolyte leakage in leaves and cadmium content in arial parts of plant”
t0“soybean plantlets”
Claim · model-written summary
SA decreased cadmium content in aerial parts.
- Taxon
- soybean plantletsGlycine maxt0
- Treatment
- SAe0
- Outcome
- cadmium content in arial parts of plante0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SA increased growth parameters, photosynthetic pigments contents, Ca and K content in shoots, against decreased electrolyte leakage in leaves and cadmium content in arial parts of plant”
t0“soybean plantlets”
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