Abstract
Abstract The purine analogs 8‐azaadenine, 8‐azaguanine, 4‐aminopyrazolo [3,4‐d] pyrimidine, 2‐fluoroadenine and 6‐methylpurine inhibited bud burst in non‐dormant vegetative axillary bud explants obtained from apple ( Malus domestica Borkh.) seedlings. The reversal of inhibition was attempted by incorporating increasing concentrations of benzyladenine (BA) in the culture medium. The inhibition caused by 8‐azaadenine and 8‐azaguanine was reduced especially when BA was added to the media at equimolar ratios along with the inhibitors. The inhibition due to 4‐aminopyrazolo [3,4‐d] pyridine was reduced only with equimolar BA, BA was ineffective or only minimally effective in reducing inhibition due to 2‐fluoroadenine and 6‐methypurine. Short pretreatment with 8‐azaadenine and 8‐azaguinine failed to cause any inhibition when explants were subsequently transferred to BA ‐containing medium. The effectiveness of 2‐fluoroadenine and 6‐methylpurine was maintained or only slightly reduced, indicating their long‐term inhibitory action.
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Claims 10
Claim · model-written summary
Five purine analogs inhibited bud burst in non-dormant apple bud explants.
- Taxon
- apple
Malus domesticae0 - Organ / stage
- non‐dormant vegetative axillary bud explantse0
- Treatment
- 8‐azaadenine, 8‐azaguanine, 4‐aminopyrazolo [3,4‐d] pyrimidine, 2‐fluoroadenine and 6‐methylpurinee0
- Outcome
- bud burste0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The purine analogs 8‐azaadenine, 8‐azaguanine, 4‐aminopyrazolo [3,4‐d] pyrimidine, 2‐fluoroadenine and 6‐methylpurine inhibited bud burst in non‐dormant vegetative axillary bud explants obtained from apple ( Malus domestica Borkh.) seedlings.”
Claim · model-written summary
Benzyladenine reduced 8-azaadenine inhibition, especially at equimolar ratios.
- Taxon
- appleMalus domesticat0
- Treatment
- BA was added to the media at equimolar ratiose0
- Outcome
- inhibition caused by 8‐azaadeninee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inhibition caused by 8‐azaadenine and 8‐azaguanine was reduced especially when BA was added to the media at equimolar ratios along with the inhibitors.”
t0“Apple”
Claim · model-written summary
Benzyladenine reduced 8-azaguanine inhibition, especially at equimolar ratios.
- Taxon
- appleMalus domesticat0
- Treatment
- BA was added to the media at equimolar ratiose0
- Outcome
- inhibitione0
- Direction
- reducede0
- Qualifier
- 8‐azaguaninee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inhibition caused by 8‐azaadenine and 8‐azaguanine was reduced especially when BA was added to the media at equimolar ratios along with the inhibitors.”
t0“Apple”
Claim · model-written summary
Equimolar benzyladenine reduced inhibition due to 4-aminopyrazolo pyridine.
- Taxon
- appleMalus domesticat0
- Treatment
- equimolar BAe0
- Outcome
- inhibition due to 4‐aminopyrazolo [3,4‐d] pyridinee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inhibition due to 4‐aminopyrazolo [3,4‐d] pyridine was reduced only with equimolar BA”
t0“Apple”
Claim · model-written summary
Benzyladenine was ineffective or minimally effective against 2-fluoroadenine inhibition.
- Taxon
- appleMalus domesticat0
- Treatment
- BAe0
- Outcome
- inhibition due to 2‐fluoroadeninee0
- Direction
- ineffective or only minimally effectivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA was ineffective or only minimally effective in reducing inhibition due to 2‐fluoroadenine and 6‐methypurine.”
t0“Apple”
Claim · model-written summary
Benzyladenine was ineffective or minimally effective against 6-methypurine inhibition.
- Taxon
- appleMalus domesticat0
- Treatment
- BAe0
- Outcome
- inhibitione0
- Direction
- ineffective or only minimally effectivee0
- Qualifier
- 6‐methypurinee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA was ineffective or only minimally effective in reducing inhibition due to 2‐fluoroadenine and 6‐methypurine.”
t0“Apple”
Claim · model-written summary
Brief 8-azaadenine pretreatment did not inhibit bud burst after transfer to benzyladenine medium.
- Taxon
- appleMalus domesticat0
- Treatment
- Short pretreatment with 8‐azaadeninee0
- Outcome
- inhibitione0
- Direction
- failed to cause anye0
- Qualifier
- subsequently transferred to BA ‐containing mediume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Short pretreatment with 8‐azaadenine and 8‐azaguinine failed to cause any inhibition when explants were subsequently transferred to BA ‐containing medium.”
t0“Apple”
Claim · model-written summary
Brief 8-azaguinine pretreatment did not inhibit bud burst after transfer to benzyladenine medium.
- Taxon
- appleMalus domesticat0
- Treatment
- 8‐azaguininee0
- Outcome
- inhibitione0
- Direction
- failed to cause anye0
- Qualifier
- subsequently transferred to BA ‐containing mediume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Short pretreatment with 8‐azaadenine and 8‐azaguinine failed to cause any inhibition when explants were subsequently transferred to BA ‐containing medium.”
t0“Apple”
Claim · model-written summary
2-fluoroadenine retained its long-term inhibitory effectiveness after the medium change.
- Taxon
- appleMalus domesticat0
- Treatment
- 2‐fluoroadeninee0
- Outcome
- effectivenesse0
- Direction
- maintained or only slightly reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effectiveness of 2‐fluoroadenine and 6‐methylpurine was maintained or only slightly reduced, indicating their long‐term inhibitory action.”
t0“Apple”
Claim · model-written summary
6-methylpurine retained its long-term inhibitory effectiveness after the medium change.
- Taxon
- appleMalus domesticat0
- Treatment
- 6‐methylpurinee0
- Outcome
- effectivenesse0
- Direction
- maintained or only slightly reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effectiveness of 2‐fluoroadenine and 6‐methylpurine was maintained or only slightly reduced, indicating their long‐term inhibitory action.”
t0“Apple”
The same questions in other papers
N-benzyladenine · disease · Malus domestica (apple)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →in vitro · disease · Malus domestica (apple)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- 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.