Abstract
The application of GA3‡in aqueous solution to leaves or flowers of hermaphrodite cultivars of strawberry, Redgauntlet and Rabunda, prevented growth of the receptacle despite hand pollination. This inhibitory effect occurred only when GA3 was applied prior to anthesis. Although viable pollen was produced and germinated to grow down the styles of treated plants, no seeds were formed. Receptacle growth failed underneath the unfertilized carpels, but the basal region devoid of carpels enlarged and ripened. The effect of GA3 was the same in vivo and for flowers grown in vitro. ABA and BAP also inhibited growth of pollinated flowers in vitro, but neither substance stimulated growth of the base of the receptacle. 2-NOA stimulated receptacle growth of pollinated flowers but did not overcome the inhibitory effect of GA3. Removal of fertile carpels 9 days after pollination prevented further receptacle growth. GA3 treatment of the bare receptacle re-started growth but was less effective than 2-NOA. No growth substance treatment induced parthenocarpic development in these cultivars when unopened buds were emasculated and cultured without pollination, although GA3 induced some swelling of the receptacle base.
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Claims 11
Claim · model-written summary
GA3 applied before anthesis prevented receptacle growth in pollinated strawberry.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassae0 - Organ / stage
- receptaclee0
- Treatment
- GA3‡in aqueous solutione0
- Outcome
- growth of the receptaclee0
- Direction
- preventede0
- Qualifier
- prior to anthesise0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“The application of GA3‡in aqueous solution to leaves or flowers of hermaphrodite cultivars of strawberry, Redgauntlet and Rabunda, prevented growth of the receptacle despite hand pollination. This inhibitory effect occurred only when GA3 was applied prior to anthesis.”
Claim · model-written summary
GA3 treated plants produced viable pollen that germinated and grew down styles, but formed no seeds.
- Taxon
- strawberryFragaria ×ananassat0
- Organ / stage
- pollene0
- Outcome
- no seeds were formede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Although viable pollen was produced and germinated to grow down the styles of treated plants, no seeds were formed.”
t0“Strawberry”
Claim · model-written summary
The receptacle did not grow beneath unfertilized carpels, while its carpel-free base enlarged and ripened.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- Receptacle growth failed underneath the unfertilized carpelse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Receptacle growth failed underneath the unfertilized carpels, but the basal region devoid of carpels enlarged and ripened.”
t0“Strawberry”
Claim · model-written summary
ABA inhibited growth of pollinated strawberry flowers in vitro.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- ABAe0
- Outcome
- growth of pollinated flowerse0
- Direction
- inhibitede0
- Setting
- in vitroe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ABA and BAP also inhibited growth of pollinated flowers in vitro, but neither substance stimulated growth of the base of the receptacle.”
t0“Strawberry”
Claim · model-written summary
BAP inhibited growth of pollinated strawberry flowers in vitro.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- BAPe0
- Outcome
- growth of pollinated flowerse0
- Direction
- inhibitede0
- Setting
- in vitroe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ABA and BAP also inhibited growth of pollinated flowers in vitro, but neither substance stimulated growth of the base of the receptacle.”
t0“Strawberry”
Claim · model-written summary
2-NOA stimulated receptacle growth in pollinated strawberry flowers.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- 2-NOAe0
- Outcome
- receptacle growthe0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“2-NOA stimulated receptacle growth of pollinated flowers but did not overcome the inhibitory effect of GA3.”
t0“Strawberry”
Claim · model-written summary
2-NOA did not overcome GA3 inhibition of strawberry receptacle growth.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- 2-NOAe0
- Outcome
- inhibitory effect of GA3e0
- Direction
- did not overcomee0
- Comparator
- GA3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“2-NOA stimulated receptacle growth of pollinated flowers but did not overcome the inhibitory effect of GA3.”
t0“Strawberry”
Claim · model-written summary
Removing fertile carpels nine days after pollination stopped further strawberry receptacle growth.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- Removal of fertile carpels 9 days after pollinatione0
- Outcome
- further receptacle growthe0
- Direction
- preventede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Removal of fertile carpels 9 days after pollination prevented further receptacle growth.”
t0“Strawberry”
Claim · model-written summary
GA3 restarted growth of the bare strawberry receptacle, less effectively than 2-NOA.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- GA3 treatmente0
- Outcome
- growthe0
- Direction
- re-startede0
- Comparator
- 2-NOAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GA3 treatment of the bare receptacle re-started growth but was less effective than 2-NOA.”
t0“Strawberry”
Claim · model-written summary
No growth substance induced parthenocarpic development in emasculated, unpollinated strawberry buds.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- growth substance treatmente0
- Outcome
- parthenocarpic developmente0
- Direction
- Noe0
- Qualifier
- unopened buds were emasculated and cultured without pollinatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No growth substance treatment induced parthenocarpic development in these cultivars when unopened buds were emasculated and cultured without pollination, although GA3 induced some swelling of the receptacle base.”
t0“Strawberry”
Claim · model-written summary
GA3 caused some swelling of the strawberry receptacle base in emasculated unpollinated buds.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- GA3e0
- Outcome
- swelling of the receptacle basee0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GA3 induced some swelling of the receptacle base.”
t0“Strawberry”
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