Abstract
The Supernodulating Soybean Cultivar Sakukei 4 Was Previously Characterized By Its Superior Capabilities of Nitrogen (N) Fixation and Photosynthesis, and Was Expected To Be High Yielding. Since The N Absorption By Sakukei 4 Is Largely Dependent On N Fixation, It May Be Strongly Affected By Waterlogging During The Vegetative Stage, Which Occurs Frequently in Major Soybean Producing Areas. in This Study, We investigated The Reduced Growth and Yield Resulting From Waterlogging DuringVegetative Stage and The Subsequent Recovery in Sakukei 4, in Comparison With Those in The Normally-Nodulating Cultivar Enrei and Non-Nodulating Genotype En1282. Under The Field Conditions, The Reduction of Growth and Yield By Waterlogging Was Greatest in En1282 Among The Three Genotypes, indicating That Capability of N Fixation Is Essential For The Recovery From Waterlogging-induced injury. The Waterlogging-induced Yield Reduction in Sakukei 4 Resembled That in Enrei, Although Growth Reduction Was Greater in Sakukei 4 Than in Enrei. Irrespective of Cultivar, The Yield Was Associated More Closely With The Crop Growth Rate (Cgr) During The Post-Treatment Stage Than With That During The Waterlogging Treatment. in The Pot Experiments, Yields Positively Correlated With Both Above- and Underground Plant Parts Irrespective of Cultivar, Not Significantly, But Significantly With Root Dry Weights in Enrei and With Nodule Dry Weights in Sakukei 4. These Results indicate That Sakukei 4 Exhibits A Marked Decrease in Dry Matter Production By Waterlogging, But Yield Decrease Is Compensated To A Level Similar To That of Enrei Because of Its Enhanced Nodule Growth During The Recovery Stage.
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Claims 10
Claim · model-written summary
Under field conditions, waterlogging reduced growth and yield most in En1282 among the three genotypes.
- Taxon
- Soybean
Glycine maxt0 - Material
- En1282e1
- Treatment
- Waterlogginge1
- Outcome
- Reduction of Growth and Yielde1
- Direction
- Greateste1
- Comparator
- The Three Genotypese1
- Setting
- Field Conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e1“Under The Field Conditions, The Reduction of Growth and Yield By Waterlogging Was Greatest in En1282 Among The Three Genotypes, indicating That Capability of N Fixation Is Essential For The Recovery From Waterlogging-induced injury”
Claim · model-written summary
Waterlogging-induced yield reduction in Sakukei 4 resembled that in Enrei.
- Taxon
- SoybeanGlycine maxt0
- Material
- Sakukei 4e2
- Treatment
- Waterlogginge2
- Outcome
- Yield Reductione2
- Direction
- Resemblede2
- Comparator
- Enreie2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e2“The Waterlogging-induced Yield Reduction in Sakukei 4 Resembled That in Enrei, Although Growth Reduction Was Greater in Sakukei 4 Than in Enrei”
Claim · model-written summary
Growth reduction under waterlogging was greater in Sakukei 4 than in Enrei.
- Taxon
- SoybeanGlycine maxt0
- Material
- Sakukei 4e2
- Treatment
- Waterlogginge2
- Outcome
- Growth Reductione2
- Direction
- Greatere2
- Comparator
- Enreie2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e2“The Waterlogging-induced Yield Reduction in Sakukei 4 Resembled That in Enrei, Although Growth Reduction Was Greater in Sakukei 4 Than in Enrei”
Claim · model-written summary
Irrespective of cultivar, yield was associated more closely with crop growth rate after the waterlogging treatment than during it.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Waterlogging Treatmente3
- Outcome
- Yielde3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e3“Irrespective of Cultivar, The Yield Was Associated More Closely With The Crop Growth Rate (Cgr) During The Post-Treatment Stage Than With That During The Waterlogging Treatment”
Claim · model-written summary
In pot experiments, yields were positively correlated, not significantly, with above- and underground plant parts irrespective of cultivar.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- Yieldse4
- Direction
- Positively Correlatede4
- Setting
- Pot Experimentse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e4“in The Pot Experiments, Yields Positively Correlated With Both Above- and Underground Plant Parts Irrespective of Cultivar, Not Significantly, But Significantly With Root Dry Weights in Enrei and With Nodule Dry Weights in Sakukei 4”
Claim · model-written summary
Yield was significantly positively correlated with root dry weight in Enrei in pot experiments.
- Taxon
- SoybeanGlycine maxt0
- Material
- Enreie4
- Organ / stage
- Root Dry Weightse4
- Outcome
- Yieldse4
- Direction
- Positively Correlatede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e4“in The Pot Experiments, Yields Positively Correlated With Both Above- and Underground Plant Parts Irrespective of Cultivar, Not Significantly, But Significantly With Root Dry Weights in Enrei and With Nodule Dry Weights in Sakukei 4”
Claim · model-written summary
Yield was significantly positively correlated with nodule dry weight in Sakukei 4 in pot experiments.
- Taxon
- SoybeanGlycine maxt0
- Material
- Sakukei 4e4
- Organ / stage
- Nodule Dry Weightse4
- Outcome
- Yieldse4
- Direction
- Positively Correlatede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e4“in The Pot Experiments, Yields Positively Correlated With Both Above- and Underground Plant Parts Irrespective of Cultivar, Not Significantly, But Significantly With Root Dry Weights in Enrei and With Nodule Dry Weights in Sakukei 4”
Claim · model-written summary
Sakukei 4 showed a marked decrease in dry matter production under waterlogging.
- Taxon
- SoybeanGlycine maxt0
- Material
- Sakukei 4e5
- Treatment
- Waterlogginge5
- Outcome
- Dry Matter Productione5
- Direction
- Marked Decreasee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e5“These Results indicate That Sakukei 4 Exhibits A Marked Decrease in Dry Matter Production By Waterlogging”
Claim · model-written summary
The yield decrease was compensated to a level similar to Enrei, attributed to enhanced nodule growth during recovery.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- Nodulee6
- Outcome
- Yield Decrease Is Compensatede6
- Qualifier
- Enhanced Nodule Growth During The Recovery Stagee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e6“But Yield Decrease Is Compensated To A Level Similar To That of Enrei Because of Its Enhanced Nodule Growth During The Recovery Stage”
Claim · model-written summary
Capability of N fixation is essential for recovery from waterlogging-induced injury in soybean.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- Recovery From Waterlogging-induced injurye1
- Qualifier
- Capability of N Fixation Is Essentiale1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Supernodulating Soybean Cultivar Sakukei 4”
e1“Under The Field Conditions, The Reduction of Growth and Yield By Waterlogging Was Greatest in En1282 Among The Three Genotypes, indicating That Capability of N Fixation Is Essential For The Recovery From Waterlogging-induced injury”
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