Abstract
The objective of this study was to investigate the effects of magnetic field pretreatment at 150 and 300 mT on maize seedling growth and physiological characteristics under 4 ℃ cold stress.The results showed that the damage to maize seedling growth caused by cold stress was significantly relieved with seeds treated by magnetic field.It can promote maize seedling growth by increasing total length,root activity and photosynthetic efficiency.The effect of 150 mT was more significant.The damage to maize seed caused by cold stress was significantly reduced in the presence of the magnetic strength of 150 mT.Specifically,the surface area of roots,total volume of root,and root activity increased by 69%,101%,and 1.72-fold,respectively;root dry weight and shoot dry weight increased by 0.61-fold and 1.56-fold,respectively.Stomatal conductance(Gs),intercellular CO2 concentration(Ci)and the photosynthetic rate(Pn) of leaves increased by 55.6 %,44.6 % and 67.9 %,respectively.Compared with 150 mT,the effect of 300 mT on maize seedling growth was significantly decreased.
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Claims 12
Claim · model-written summary
Magnetic treatment significantly relieved cold damage to maize seedling growth.
- Treatment
- magnetic fielde0
- Outcome
- damage to maize seedling growthe0
- Direction
- relievede0
- Qualifier
- cold stresse0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results showed that the damage to maize seedling growth caused by cold stress was significantly relieved with seeds treated by magnetic field”
Claim · model-written summary
Magnetic treatment promoted maize seedling total length and photosynthetic efficiency.
- Treatment
- magnetic fielde1
- Outcome
- total length,root activity and photosynthetic efficiencye0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It can promote maize seedling growth by increasing total length,root activity and photosynthetic efficiency”
e1“seeds treated by magnetic field”
Claim · model-written summary
The 150 mT treatment had a more significant effect.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of 150 mT was more significant”
t0“maize”
Claim · model-written summary
At 150 mT, root surface area increased by 69% under cold stress.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the surface area of roots,total volume of root,and root activity increased by 69%,101%,and 1.72-fold,respectively”
e1“magnetic strength of 150 mT”
t0“maize”
Claim · model-written summary
At 150 mT, total root volume increased by 101%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the surface area of roots,total volume of root,and root activity increased by 69%,101%,and 1.72-fold,respectively”
e1“magnetic strength of 150 mT”
t0“maize”
Claim · model-written summary
At 150 mT, root activity increased by 1.72-fold.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root activity increased by 69%,101%,and 1.72-fold,respectively”
e1“magnetic strength of 150 mT”
t0“maize”
Claim · model-written summary
At 150 mT, root dry weight increased by 0.61-fold.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root dry weight and shoot dry weight increased by 0.61-fold and 1.56-fold,respectively”
e1“magnetic strength of 150 mT”
t0“maize”
Claim · model-written summary
At 150 mT, shoot dry weight increased by 1.56-fold.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root dry weight and shoot dry weight increased by 0.61-fold and 1.56-fold,respectively”
e1“magnetic strength of 150 mT”
t0“maize”
Claim · model-written summary
At 150 mT, leaf stomatal conductance increased by 55.6 %.
- Organ / stage
- leavese0
- Treatment
- 150 mTe1
- Outcome
- Stomatal conductance(Gs)e0
- Direction
- increasede0
- Value
- 55.6 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stomatal conductance(Gs),intercellular CO2 concentration(Ci)and the photosynthetic rate(Pn) of leaves increased by 55.6 %,44.6 % and 67.9 %,respectively”
e1“magnetic strength of 150 mT”
t0“maize”
Claim · model-written summary
At 150 mT, leaf intercellular CO2 concentration increased by 44.6 %.
- Organ / stage
- leavese0
- Treatment
- 150 mTe1
- Outcome
- intercellular CO2 concentration(Ci)e0
- Direction
- increasede0
- Value
- 44.6 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stomatal conductance(Gs),intercellular CO2 concentration(Ci)and the photosynthetic rate(Pn) of leaves increased by 55.6 %,44.6 % and 67.9 %,respectively”
e1“magnetic strength of 150 mT”
t0“maize”
Claim · model-written summary
At 150 mT, leaf photosynthetic rate increased by 67.9 %.
- Organ / stage
- leavese0
- Treatment
- 150 mTe1
- Outcome
- photosynthetic rate(Pn)e0
- Direction
- increasede0
- Value
- 67.9 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stomatal conductance(Gs),intercellular CO2 concentration(Ci)and the photosynthetic rate(Pn) of leaves increased by 55.6 %,44.6 % and 67.9 %,respectively”
e1“magnetic strength of 150 mT”
t0“maize”
Claim · model-written summary
The effect of 300 mT on maize seedling growth was significantly decreased relative to 150 mT.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with 150 mT,the effect of 300 mT on maize seedling growth was significantly decreased”
The same questions in other papers
magnetic · physiology: photosynthesis · Zea mays (maize)Results agree
1 paper in the same direction as this paper
- 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.