Abstract
The canes with well-developed buds from Fujiminori grape grown in a vineyard in Nanshan Agricultural Science and Technology Demonstration Park in Zhenjiang of Jiangsu Province were treated with CaCN2 and salicylic acid(SA)at three different stages of dormancy to study the effects on dormancy-release of grape bud in an experiment from December 2003 to March 2004.After treatment,the twigs were put in the greenhouses for sprouting cultivation.The content of H2O2,activities of antioxidant enzymes of grape buds were investigated every 5 days,and the sprouting percentage of grape bud after 21 days was calculated.The results showed that CaCN2and SA increased respiratory rate,H2O2 content,POD activities,and decreased CAT activities,but had different effects on SOD activities at different stages of dormancy.The increased degree of H2O2 content,POD and SOD activities of flower buds at the early stages of sprouting cultivation was higher,but the decreased extent of CAT activities of flower buds was larger,when treatments with chemicals had significant effects on dormancy-release or sprouting.The results of sprouting rate showed that CaCN2 and SA had no effect on dormancy-release in early-dormancy stage.The treatment of 25% CaCN2 had a significant effect on dormancy-release of grape bud at deep-dormancy stage or late-dormancy stage,the sprouting was 4-6 days earlier than those of control(no CaCN2 and SA treatment)grapes,and the final sprouting rate reached 41.6%-90.0%.SA had little effect on dormancy-release of grape bud.
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Claims 13
Claim · model-written summary
CaCN2 increased respiratory rate, H2O2 content and POD activity in grape buds.
- Taxon
- Grapet0
- Treatment
- CaCN2e0
- Outcome
- respiratory rate,H2O2 content,POD activitiese0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“The results showed that CaCN2and SA increased respiratory rate,H2O2 content,POD activities,and decreased CAT activities,but had different effects on SOD activities at different stages of dormancy.”
t0“Grape”
Claim · model-written summary
CaCN2 decreased CAT activity in grape buds.
Not reportedComparator
Verbatim
e0“The results showed that CaCN2and SA increased respiratory rate,H2O2 content,POD activities,and decreased CAT activities,but had different effects on SOD activities at different stages of dormancy.”
t0“Grape”
Claim · model-written summary
CaCN2 had stage-dependent effects on SOD activity in grape buds.
- Taxon
- Grapet0
- Treatment
- CaCN2e0
- Outcome
- SOD activitiese0
- Direction
- different effectse0
- Qualifier
- at different stages of dormancye0
Not reportedComparator
Verbatim
e0“The results showed that CaCN2and SA increased respiratory rate,H2O2 content,POD activities,and decreased CAT activities,but had different effects on SOD activities at different stages of dormancy.”
t0“Grape”
Claim · model-written summary
SA increased respiratory rate, H2O2 content and POD activity in grape buds.
Not reportedComparator
Verbatim
e0“The results showed that CaCN2and SA increased respiratory rate,H2O2 content,POD activities,and decreased CAT activities,but had different effects on SOD activities at different stages of dormancy.”
t0“Grape”
Claim · model-written summary
SA decreased CAT activity in grape buds.
Not reportedComparator
Verbatim
e0“The results showed that CaCN2and SA increased respiratory rate,H2O2 content,POD activities,and decreased CAT activities,but had different effects on SOD activities at different stages of dormancy.”
t0“Grape”
Claim · model-written summary
SA had stage-dependent effects on SOD activity in grape buds.
- Taxon
- Grapet0
- Treatment
- SAe0
- Outcome
- SOD activitiese0
- Direction
- different effectse0
- Qualifier
- at different stages of dormancye0
Not reportedComparator
Verbatim
e0“The results showed that CaCN2and SA increased respiratory rate,H2O2 content,POD activities,and decreased CAT activities,but had different effects on SOD activities at different stages of dormancy.”
t0“Grape”
Claim · model-written summary
In responsive flower buds, early sprouting was associated with larger increases in H2O2, POD and SOD.
- Taxon
- Grapet0
- Organ / stage
- flower budse0
- Treatment
- treatments with chemicalse0
- Outcome
- H2O2 content,POD and SOD activitiese0
- Direction
- highere0
- Qualifier
- when treatments with chemicals had significant effects on dormancy-release or sproutinge0
Not reportedComparator
Verbatim
e0“The increased degree of H2O2 content,POD and SOD activities of flower buds at the early stages of sprouting cultivation was higher,but the decreased extent of CAT activities of flower buds was larger,when treatments with chemicals had significant effects on dormancy-release or sprouting.”
t0“Grape”
Claim · model-written summary
In responsive flower buds, the decrease in CAT activity was larger.
- Taxon
- Grapet0
- Organ / stage
- flower budse0
- Treatment
- treatments with chemicalse0
- Outcome
- CAT activitiese0
- Direction
- decreasede0
- Qualifier
- when treatments with chemicals had significant effects on dormancy-release or sproutinge0
Not reportedComparator
Verbatim
e0“The increased degree of H2O2 content,POD and SOD activities of flower buds at the early stages of sprouting cultivation was higher,but the decreased extent of CAT activities of flower buds was larger,when treatments with chemicals had significant effects on dormancy-release or sprouting.”
t0“Grape”
Claim · model-written summary
CaCN2 did not affect grape-bud dormancy release at the early stage.
- Taxon
- Grapet0
- Organ / stage
- early-dormancy stagee0
- Treatment
- CaCN2e0
- Outcome
- dormancy-releasee0
- Direction
- no effecte0
Not reportedComparator
Verbatim
e0“The results of sprouting rate showed that CaCN2 and SA had no effect on dormancy-release in early-dormancy stage.”
t0“Grape”
Claim · model-written summary
SA did not affect grape-bud dormancy release at the early stage.
- Taxon
- Grapet0
- Organ / stage
- early-dormancy stagee0
- Treatment
- SAe0
- Outcome
- dormancy-releasee0
- Direction
- no effecte0
Not reportedComparator
Verbatim
e0“The results of sprouting rate showed that CaCN2 and SA had no effect on dormancy-release in early-dormancy stage.”
t0“Grape”
Claim · model-written summary
At deep or late dormancy, 25% CaCN2 advanced grape-bud sprouting by 4–6 days versus control.
Verbatim
e0“The treatment of 25% CaCN2 had a significant effect on dormancy-release of grape bud at deep-dormancy stage or late-dormancy stage,the sprouting was 4-6 days earlier than those of control(no CaCN2 and SA treatment)grapes,and the final sprouting rate reached 41.6%-90.0%.”
Claim · model-written summary
With 25% CaCN2 at deep or late dormancy, final grape-bud sprouting reached 41.6–90.0%.
- Taxon
- grapee0
- Organ / stage
- deep-dormancy stage or late-dormancy stagee0
- Treatment
- 25% CaCN2e0
- Outcome
- final sprouting ratee0
- Value
- 41.6%-90.0%e0
Not reportedComparatorDirection
Verbatim
e0“The treatment of 25% CaCN2 had a significant effect on dormancy-release of grape bud at deep-dormancy stage or late-dormancy stage,the sprouting was 4-6 days earlier than those of control(no CaCN2 and SA treatment)grapes,and the final sprouting rate reached 41.6%-90.0%.”
Claim · model-written summary
Salicylic acid had little effect on grape-bud dormancy release.
Not reportedComparator
Verbatim
e0“SA had little effect on dormancy-release of grape bud.”
The same questions in other papers
salicylic acid · growth · VitisResults differ
2 papers in the same direction as this paper · 8 in the opposite direction
- positive
- positive
- positive
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.