Abstract
The present study elucidated the physiological regulation of phosphorus ( P) availability on soy-bean carbon metabolism and their genotypic variations using 7 soybean genotypes contrasting in P efficiency in hydroponics.The results showed that low P availability significantly changed carbon allocation between shoots and roots.And net photosynthetic rate,stomatal conductance,intercellular CO2 concentration,transpiration rate,root respiration,shoot biomass and total leaf area are significantly decreased under low P conditions,especially in P-inefficient genotypes.But low P availability significantly increased photo-synthetic P use efficiency and root biomass in soybean.Among which,P-efficient genotypes had much greater increases of photosynthetic P use efficiency and root biomass by P deficiency.
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Claims 7
Claim · model-written summary
Low phosphorus significantly changed shoot root carbon allocation.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- low P availabilitye0
- Outcome
- carbon allocation between shoots and rootse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“low P availability significantly changed carbon allocation between shoots and roots.”
t0“Soybean”
Claim · model-written summary
Low phosphorus significantly decreased photosynthetic and gas exchange traits.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- low P conditionse0
- Outcome
- net photosynthetic rate,stomatal conductance,intercellular CO2 concentratione0
- Direction
- decreasede0
- Qualifier
- especially in P-inefficient genotypese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“net photosynthetic rate,stomatal conductance,intercellular CO2 concentration,transpiration rate,root respiration,shoot biomass and total leaf area are significantly decreased under low P conditions,especially in P-inefficient genotypes.”
t0“Soybean”
Claim · model-written summary
Low phosphorus significantly decreased transpiration and root respiration.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- low P conditionse0
- Outcome
- transpiration rate,root respiratione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“net photosynthetic rate,stomatal conductance,intercellular CO2 concentration,transpiration rate,root respiration,shoot biomass and total leaf area are significantly decreased under low P conditions,especially in P-inefficient genotypes.”
t0“Soybean”
Claim · model-written summary
Low phosphorus significantly decreased shoot biomass and leaf area.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- low P conditionse0
- Outcome
- shoot biomass and total leaf areae0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“net photosynthetic rate,stomatal conductance,intercellular CO2 concentration,transpiration rate,root respiration,shoot biomass and total leaf area are significantly decreased under low P conditions,especially in P-inefficient genotypes.”
t0“Soybean”
Claim · model-written summary
Low phosphorus increased photosynthetic phosphorus use efficiency.
- Taxon
- soybeanGlycine maxe0
- Treatment
- low P availabilitye0
- Outcome
- photo-synthetic P use efficiencye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“low P availability significantly increased photo-synthetic P use efficiency and root biomass in soybean.”
Claim · model-written summary
Low phosphorus increased soybean root biomass.
- Taxon
- soybeanGlycine maxe0
- Treatment
- low P availabilitye0
- Outcome
- root biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“low P availability significantly increased photo-synthetic P use efficiency and root biomass in soybean.”
Claim · model-written summary
P efficient genotypes showed greater increases in phosphorus use efficiency and root biomass under deficiency.
- Taxon
- SoybeanGlycine maxt0
- Material
- P-efficient genotypese0
- Treatment
- P deficiencye0
- Outcome
- photosynthetic P use efficiency and root biomasse0
- Direction
- greater increasese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P-efficient genotypes had much greater increases of photosynthetic P use efficiency and root biomass by P deficiency.”
t0“Soybean”
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