Abstract
The effect of beet yellows virus (genus Closterovirus , BYV) on sugar beet growth was studied in a series of field and glasshouse experiments. Infection reduced total plant weight by 20%, primarily through a 25% reduction in storage root growth. Sugar extraction efficiency was depressed by an increase in root impurities. BYV had little effect on above‐ground yield or total crop cover but did decrease green cover significantly. Infection did not reduce water extraction depth in field experiments despite decreasing lateral root growth in the glasshouse. The growth reduction in infected plants resulted from both a decrease in net photosynthesis and an increase in the proportion of light intercepted by yellow leaves. Damage to the photosynthetic mechanism at least partly caused the reduction in net photosynthesis.
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Claims 10
Claim · model-written summary
Beet yellows virus infection reduced total sugar beet plant weight by 20%.
- Taxon
- sugar beet
Beta vulgaris subsp. vulgarise1 - Treatment
- Infectione0
- Interactor
- beet yellows virusBeet yellows viruse1pathogen
- Outcome
- total plant weighte0
- Direction
- reducede0
- Value
- 20%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infection reduced total plant weight by 20%”
e1“beet yellows virus (genus Closterovirus , BYV) on sugar beet growth”
Claim · model-written summary
Infection reduced storage root growth by 25%.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise1
- Treatment
- beet yellows viruse1
- Interactor
- beet yellows virusBeet yellows viruse1pathogen
- Outcome
- storage root growthe0
- Direction
- reductione0
- Value
- 25%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“25% reduction in storage root growth”
e1“beet yellows virus (genus Closterovirus , BYV) on sugar beet growth”
Claim · model-written summary
Infection depressed sugar extraction efficiency through increased root impurities.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise1
- Interactor
- beet yellows virusBeet yellows viruse1pathogen
- Outcome
- Sugar extraction efficiencye0
- Direction
- depressede0
- Qualifier
- increase in root impuritiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar extraction efficiency was depressed by an increase in root impurities”
e1“beet yellows virus (genus Closterovirus , BYV) on sugar beet growth”
Claim · model-written summary
BYV had little effect on above-ground yield or total crop cover.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise1
- Treatment
- BYVe0
- Interactor
- beet yellows virusBeet yellows viruse2pathogen
- Outcome
- above‐ground yield or total crop covere0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BYV had little effect on above‐ground yield or total crop cover”
e1“sugar beet growth”
e2“beet yellows virus (genus Closterovirus , BYV)”
Claim · model-written summary
BYV significantly decreased green cover.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise2
- Treatment
- BYVe1
- Interactor
- beet yellows virusBeet yellows viruse3pathogen
- Outcome
- green covere0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“did decrease green cover significantly”
e1“BYV had little effect”
e2“sugar beet growth”
e3“beet yellows virus (genus Closterovirus , BYV)”
Claim · model-written summary
Infection did not reduce water extraction depth in field experiments.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise1
- Treatment
- Infectione0
- Interactor
- beet yellows virusBeet yellows viruse1pathogen
- Outcome
- water extraction depthe0
- Direction
- did not reducee0
- Setting
- field experimentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infection did not reduce water extraction depth in field experiments”
e1“beet yellows virus (genus Closterovirus , BYV) on sugar beet growth”
Claim · model-written summary
Infection decreased lateral root growth in the glasshouse.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise1
- Treatment
- beet yellows viruse1
- Interactor
- beet yellows virusBeet yellows viruse1pathogen
- Outcome
- lateral root growthe0
- Direction
- decreasinge0
- Setting
- glasshousee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreasing lateral root growth in the glasshouse”
e1“beet yellows virus (genus Closterovirus , BYV) on sugar beet growth”
Claim · model-written summary
Infected plants had decreased net photosynthesis, contributing to reduced growth.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise1
- Interactor
- beet yellows virusBeet yellows viruse1pathogen
- Outcome
- growth reductione0
- Qualifier
- decrease in net photosynthesise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth reduction in infected plants resulted from both a decrease in net photosynthesis and an increase in the proportion of light intercepted by yellow leaves”
e1“beet yellows virus (genus Closterovirus , BYV) on sugar beet growth”
Claim · model-written summary
A greater proportion of light intercepted by yellow leaves contributed to infected plant growth reduction.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise1
- Interactor
- beet yellows virusBeet yellows viruse1pathogen
- Outcome
- growth reductione0
- Qualifier
- increase in the proportion of light intercepted by yellow leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth reduction in infected plants resulted from both a decrease in net photosynthesis and an increase in the proportion of light intercepted by yellow leaves”
e1“beet yellows virus (genus Closterovirus , BYV) on sugar beet growth”
Claim · model-written summary
Damage to the photosynthetic mechanism partly caused the decline in net photosynthesis.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise1
- Interactor
- beet yellows virusBeet yellows viruse1pathogen
- Outcome
- reduction in net photosynthesise0
- Qualifier
- Damage to the photosynthetic mechanisme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Damage to the photosynthetic mechanism at least partly caused the reduction in net photosynthesis”
e1“beet yellows virus (genus Closterovirus , BYV) on sugar beet growth”
The same questions in other papers
infection · Beet yellows virus · Beta vulgaris (beet)Results agree
10 papers in the same direction as this paper
- negative
- negative
- negative
7 papers more in this group
See all 11 papers →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.