Abstract
The effectiveness of magnetopriming was assessed for alleviation of salt-induced adverse effects on soybean growth. Soybean seeds were pre-treated with static magnetic field (SMF) of 200 mT for 1 h to evaluate the effect of magnetopriming on growth, carbon and nitrogen metabolism, and yield of soybean plants under different salinity levels (0, 25, and 50 mM NaCl). The adverse effect of NaCl-induced salt stress was found on growth, yield, and various physiological attributes of soybeans. Results indicate that SMF pre-treatment significantly increased plant growth attributes, number of root nodules, nodules, fresh weight, biomass accumulation, and photosynthetic performance under both non-saline and saline conditions as compared to untreated seeds. Polyphasic chlorophyll a fluorescence (OJIP) transients from magnetically treated plants gave a higher fluorescence yield at J-I-P phase. Nitrate reductase activity, PIABS , photosynthetic pigments, and net rate of photosynthesis were also higher in plants that emerged from SMF pre-treated seeds as compared to untreated seeds. Leghemoglobin content and hemechrome content in root nodules were also increased by SMF pre-treatment. Thus pre-sowing exposure of seeds to SMF enhanced carbon and nitrogen metabolism and improved the yield of soybeans in terms of number of pods, number of seeds, and seed weight under saline as well as non-saline conditions. Consequently, SMF pre-treatment effectively mitigated adverse effects of NaCl on soybeans. It indicates that magnetopriming of dry soybean seeds can be effectively used as a pre-sowing treatment for alleviating salinity stress. Bioelectromagnetics. 37:455-470, 2016. © 2016 Wiley Periodicals, Inc.
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Claims 13
Claim · model-written summary
Static magnetic field seed pre-treatment significantly increased soybean plant growth attributes compared with untreated seeds under non-saline and saline conditions.
- Taxon
- soybean
Glycine maxt0 - Treatment
- SMF pre-treatmente1
- Outcome
- plant growth attributese1
- Direction
- increasede1
- Qualifier
- under both non-saline and saline conditionse1
- Comparator
- untreated seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e1“Results indicate that SMF pre-treatment significantly increased plant growth attributes, number of root nodules, nodules, fresh weight, biomass accumulation, and photosynthetic performance under both non-saline and saline conditions as compared to untreated seeds”
Claim · model-written summary
Static magnetic field seed pre-treatment significantly increased the number of root nodules of soybean compared with untreated seeds.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SMF pre-treatmente1
- Outcome
- number of root nodulese1
- Direction
- increasede1
- Qualifier
- under both non-saline and saline conditionse1
- Comparator
- untreated seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e1“Results indicate that SMF pre-treatment significantly increased plant growth attributes, number of root nodules, nodules, fresh weight, biomass accumulation, and photosynthetic performance under both non-saline and saline conditions as compared to untreated seeds”
Claim · model-written summary
Static magnetic field seed pre-treatment significantly increased fresh weight of soybean compared with untreated seeds.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SMF pre-treatmente1
- Outcome
- fresh weighte1
- Direction
- increasede1
- Qualifier
- under both non-saline and saline conditionse1
- Comparator
- untreated seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e1“Results indicate that SMF pre-treatment significantly increased plant growth attributes, number of root nodules, nodules, fresh weight, biomass accumulation, and photosynthetic performance under both non-saline and saline conditions as compared to untreated seeds”
Claim · model-written summary
Static magnetic field seed pre-treatment significantly increased biomass accumulation of soybean compared with untreated seeds.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SMF pre-treatmente1
- Outcome
- biomass accumulatione1
- Direction
- increasede1
- Qualifier
- under both non-saline and saline conditionse1
- Comparator
- untreated seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e1“Results indicate that SMF pre-treatment significantly increased plant growth attributes, number of root nodules, nodules, fresh weight, biomass accumulation, and photosynthetic performance under both non-saline and saline conditions as compared to untreated seeds”
Claim · model-written summary
Static magnetic field seed pre-treatment significantly increased photosynthetic performance of soybean compared with untreated seeds.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SMF pre-treatmente1
- Outcome
- photosynthetic performancee1
- Direction
- increasede1
- Qualifier
- under both non-saline and saline conditionse1
- Comparator
- untreated seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e1“Results indicate that SMF pre-treatment significantly increased plant growth attributes, number of root nodules, nodules, fresh weight, biomass accumulation, and photosynthetic performance under both non-saline and saline conditions as compared to untreated seeds”
Claim · model-written summary
Plants from magnetically treated seeds gave a higher fluorescence yield at the J-I-P phase of the OJIP transient.
- Taxon
- soybeanGlycine maxt0
- Treatment
- magnetically treated plantse2
- Outcome
- fluorescence yield at J-I-P phasee2
- Direction
- highere2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e2“Polyphasic chlorophyll a fluorescence (OJIP) transients from magnetically treated plants gave a higher fluorescence yield at J-I-P phase”
Claim · model-written summary
Nitrate reductase activity, PIABS and photosynthetic pigments were higher in soybean plants from SMF pre-treated seeds than in those from untreated seeds.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SMF pre-treated seedse3
- Outcome
- Nitrate reductase activity, PIABS, photosynthetic pigmentse3
- Direction
- highere3
- Comparator
- untreated seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e3“Nitrate reductase activity, PIABS, photosynthetic pigments, and net rate of photosynthesis were also higher in plants that emerged from SMF pre-treated seeds as compared to untreated seeds”
Claim · model-written summary
The net rate of photosynthesis was higher in soybean plants from SMF pre-treated seeds than in those from untreated seeds.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SMF pre-treated seedse3
- Outcome
- net rate of photosynthesise3
- Direction
- highere3
- Comparator
- untreated seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e3“Nitrate reductase activity, PIABS, photosynthetic pigments, and net rate of photosynthesis were also higher in plants that emerged from SMF pre-treated seeds as compared to untreated seeds”
Claim · model-written summary
Static magnetic field seed pre-treatment increased leghemoglobin and hemechrome content in soybean root nodules.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- root nodulese4
- Treatment
- SMF pre-treatmente4
- Outcome
- Leghemoglobin content and hemechrome contente4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e4“Leghemoglobin content and hemechrome content in root nodules were also increased by SMF pre-treatment”
Claim · model-written summary
Pre-sowing exposure of soybean seeds to SMF enhanced carbon and nitrogen metabolism.
- Taxon
- soybeanGlycine maxt0
- Treatment
- pre-sowing exposure of seeds to SMFe5
- Outcome
- carbon and nitrogen metabolisme5
- Direction
- enhancede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e5“Thus pre-sowing exposure of seeds to SMF enhanced carbon and nitrogen metabolism and improved the yield of soybeans in terms of number of pods, number of seeds, and seed weight under saline as well as non-saline conditions”
Claim · model-written summary
Pre-sowing exposure of soybean seeds to SMF improved the number of pods, number of seeds and seed weight under saline and non-saline conditions.
- Taxon
- soybeanGlycine maxt0
- Treatment
- pre-sowing exposure of seeds to SMFe5
- Outcome
- number of pods, number of seeds, and seed weighte5
- Direction
- improvede5
- Qualifier
- under saline as well as non-saline conditionse5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e5“Thus pre-sowing exposure of seeds to SMF enhanced carbon and nitrogen metabolism and improved the yield of soybeans in terms of number of pods, number of seeds, and seed weight under saline as well as non-saline conditions”
Claim · model-written summary
SMF pre-treatment effectively mitigated the adverse effects of NaCl on soybean.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SMF pre-treatmente6
- Outcome
- adverse effects of NaCle6
- Direction
- mitigatede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e6“Consequently, SMF pre-treatment effectively mitigated adverse effects of NaCl on soybeans”
Claim · model-written summary
Magnetopriming of dry soybean seeds can be used as a pre-sowing treatment for alleviating salinity stress.
- Taxon
- soybeanGlycine maxt0
- Outcome
- pre-sowing treatment for alleviating salinity stresse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in soybean”
e7“It indicates that magnetopriming of dry soybean seeds can be effectively used as a pre-sowing treatment for alleviating salinity stress”
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