Abstract
Abstract The Siam Tulip (Curcuma alismatifolia Gagnep.) is a tropical ornamental plant capable year-round growth. However, its natural flowering is limited to the rainy season, thereby limiting its commercial viability as a continuously flowering ornamental crop. This study analyzed the morphological and physiological changes during the growth and development of plant propagated from corms and evaluated the the effects of exogenous plant growth regulators on flower development in both juvenile and mature plants. The flower development of Siam Tulip can be divided into two distinct phases: (1) the floral transition phase (day 18 - 30), and (2) the flower development phase (day 30 to 72). The flower development included (i) floral organs formation and development (day 30 - 62), and (ii) inflorescence elongation and blooming (day 62 - 72). Levels of auxin, gibberellin, and cytokinin progressively increased from the vegetative to the reproductive stage, peaking during the late inflorescence development whereas abscisic acid levels rose from the vegetative phase to the floral meristem formation but gradual decline thereafter. Application of 20 mg L-1 indole-3-acetic acid (IAA) or 10 mg L-1 benzyladenine (BA) significantly accelerated floral initiation in juvenile plants and enhanced flower develoment in mature plants. Additionally, treatment with 20 mg L-1 gibberellic acid promoted the elongation of the inflorescence stem. These findings suggest that appropriate PGR treatments can effectively accelerate flowering in C. alismatifolia, thereby enhancing its commercial potential.
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Claims 12
Claim · model-written summary
Siam tulip floral transition occurred on days 18–30.
Verbatim
e0“the floral transition phase (day 18 - 30)”
e1“The flower development of Siam Tulip can be divided into two distinct phases”
Claim · model-written summary
Siam tulip flower development occurred on days 30–72.
Verbatim
e0“the flower development phase (day 30 to 72)”
e1“The flower development of Siam Tulip can be divided into two distinct phases”
Claim · model-written summary
Siam tulip floral organs formed and developed on days 30–62.
Verbatim
e0“floral organs formation and development (day 30 - 62)”
e1“The flower development of Siam Tulip can be divided into two distinct phases”
Claim · model-written summary
Siam tulip inflorescences elongated and bloomed on days 62–72.
Verbatim
e0“inflorescence elongation and blooming (day 62 - 72)”
e1“The flower development of Siam Tulip can be divided into two distinct phases”
Claim · model-written summary
Auxin, gibberellin, and cytokinin levels increased from vegetative to reproductive growth and peaked during late inflorescence development.
Verbatim
e0“Levels of auxin, gibberellin, and cytokinin progressively increased from the vegetative to the reproductive stage, peaking during the late inflorescence development”
e1“The flower development of Siam Tulip”
Claim · model-written summary
Abscisic acid levels rose until floral meristem formation and then declined.
Verbatim
e0“abscisic acid levels rose from the vegetative phase to the floral meristem formation but gradual decline thereafter”
e1“The flower development of Siam Tulip”
Claim · model-written summary
IAA at 20 mg L-1 significantly accelerated floral initiation in juvenile plants.
- Taxon
- Siam Tulipe1
- Organ / stage
- juvenile plantse0
- Treatment
- 20 mg L-1 indole-3-acetic acid (IAA)e0
- Outcome
- floral initiatione0
- Direction
- acceleratede0
Not reportedComparator
Verbatim
e0“Application of 20 mg L-1 indole-3-acetic acid (IAA) or 10 mg L-1 benzyladenine (BA) significantly accelerated floral initiation in juvenile plants and enhanced flower develoment in mature plants”
e1“The flower development of Siam Tulip”
Claim · model-written summary
BA at 10 mg L-1 significantly accelerated floral initiation in juvenile plants.
- Taxon
- Siam Tulipe1
- Organ / stage
- juvenile plantse0
- Treatment
- 10 mg L-1 benzyladenine (BA)e0
- Outcome
- floral initiatione0
- Direction
- acceleratede0
Not reportedComparator
Verbatim
e0“Application of 20 mg L-1 indole-3-acetic acid (IAA) or 10 mg L-1 benzyladenine (BA) significantly accelerated floral initiation in juvenile plants and enhanced flower develoment in mature plants”
e1“The flower development of Siam Tulip”
Claim · model-written summary
IAA at 20 mg L-1 enhanced flower development in mature plants.
- Taxon
- Siam Tulipe1
- Organ / stage
- mature plantse0
- Treatment
- 20 mg L-1 indole-3-acetic acid (IAA)e0
- Outcome
- flower develomente0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“Application of 20 mg L-1 indole-3-acetic acid (IAA) or 10 mg L-1 benzyladenine (BA) significantly accelerated floral initiation in juvenile plants and enhanced flower develoment in mature plants”
e1“The flower development of Siam Tulip”
Claim · model-written summary
BA at 10 mg L-1 enhanced flower development in mature plants.
- Taxon
- Siam Tulipe1
- Organ / stage
- mature plantse0
- Treatment
- 10 mg L-1 benzyladenine (BA)e0
- Outcome
- flower develomente0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“Application of 20 mg L-1 indole-3-acetic acid (IAA) or 10 mg L-1 benzyladenine (BA) significantly accelerated floral initiation in juvenile plants and enhanced flower develoment in mature plants”
e1“The flower development of Siam Tulip”
Claim · model-written summary
Gibberellic acid at 20 mg L-1 promoted inflorescence stem elongation.
- Taxon
- Siam Tulipe1
- Treatment
- 20 mg L-1 gibberellic acide0
- Outcome
- elongation of the inflorescence steme0
- Direction
- promotede0
Not reportedComparator
Verbatim
e0“treatment with 20 mg L-1 gibberellic acid promoted the elongation of the inflorescence stem”
e1“The flower development of Siam Tulip”
Claim · model-written summary
The authors suggest suitable growth regulator treatments to accelerate Siam tulip flowering for commercial use.
- Taxon
- C. alismatifolia
Curcuma alismatifoliae0 - Treatment
- appropriate PGR treatmentse0
- Outcome
- accelerate floweringe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“appropriate PGR treatments can effectively accelerate flowering in C. alismatifolia, thereby enhancing its commercial potential”