Abstract
Assimilate partitioning in whole plants was studied by giving carbon dioxide enrichment (CDE) to grapevines. The CDE treatments extended from 85-100(%) bloom through fruit maturation. The greater source strength (SoS) in the CDE-treated plants resulted in larger final dry weight of many of the vegetative parts and carbohydrate content of the leaves on vines carrying one or two clusters. The CDE treatments had no significant effect on total leaf area but enhanced fruit yield in the vines carrying two clusters. The CDE treatments significantly increased the rate of shoot growth but had no significant effect on root to shoot ratios and little effect on the (%) distribution of the total plant dry weight among the plant parts.
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Claims 7
Claim · model-written summary
CO2 enrichment gave larger final dry weight of many vegetative parts of grapevines carrying one or two clusters.
- Treatment
- carbon dioxide enrichment (CDE)e0
- Outcome
- final dry weight of many of the vegetative partse1
- Direction
- largere1
- Qualifier
- vines carrying one or two clusterse1
VitisNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon dioxide enrichment (CDE) to grapevines”
e1“resulted in larger final dry weight of many of the vegetative parts and carbohydrate content of the leaves on vines carrying one or two clusters”
Claim · model-written summary
CO2 enrichment gave larger leaf carbohydrate content on grapevines carrying one or two clusters.
- Treatment
- carbon dioxide enrichment (CDE)e0
- Outcome
- carbohydrate content of the leavese1
- Direction
- largere1
- Qualifier
- vines carrying one or two clusterse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon dioxide enrichment (CDE) to grapevines”
e1“resulted in larger final dry weight of many of the vegetative parts and carbohydrate content of the leaves on vines carrying one or two clusters”
Claim · model-written summary
CO2 enrichment had no significant effect on total leaf area.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon dioxide enrichment (CDE) to grapevines”
e1“had no significant effect on total leaf area”
Claim · model-written summary
CO2 enrichment enhanced fruit yield in grapevines carrying two clusters.
- Treatment
- carbon dioxide enrichment (CDE)e0
- Outcome
- fruit yielde1
- Direction
- enhancede1
- Qualifier
- vines carrying two clusterse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon dioxide enrichment (CDE) to grapevines”
e1“enhanced fruit yield in the vines carrying two clusters”
Claim · model-written summary
CO2 enrichment significantly increased the rate of shoot growth.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon dioxide enrichment (CDE) to grapevines”
e1“significantly increased the rate of shoot growth”
Claim · model-written summary
CO2 enrichment had no significant effect on root to shoot ratios.
- Treatment
- carbon dioxide enrichment (CDE)e0
- Outcome
- root to shoot ratiose1
- Direction
- no significant effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon dioxide enrichment (CDE) to grapevines”
e1“had no significant effect on root to shoot ratios”
Claim · model-written summary
CO2 enrichment had little effect on the percentage distribution of total plant dry weight among plant parts.
- Treatment
- carbon dioxide enrichment (CDE)e0
- Outcome
- (%) distribution of the total plant dry weight among the plant partse1
- Direction
- little effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon dioxide enrichment (CDE) to grapevines”
e1“little effect on the (%) distribution of the total plant dry weight among the plant parts”
The same questions in other papers
co2 · yield · VitisPositive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
co2 · quality: sugar starch · VitisResults agree
2 papers in the same direction as this paper
- positive
- positive
co2 · growth · VitisResults agree
3 papers in the same direction as this paper
- positive
- positive
- 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.