Correlative inhibition of lateral bud growth in Phaseolus vulgaris L. timing of bud growth following decapitation
Abstract
On intact, 3-week-old plants of Phaseolus the larger bud in the axils of the primary leaves shows slow, continuous elongation growth. Release from correlative inhibition can be detected within 30 min following decapitation. When 0.1% indoleacetic acid in lanolin is applied to the decapitated stem stump, the lateral bud shows slow growth during the first 7 h, then stops completely for a further 15 h but after 2 days a further gradual increase in length is observed.The movement of (14)C-labelled assimilates from the subtending primary leaf into the lateral bud increases following removal of the shoot apex. When indole acetic acid is applied to decapitated plants the ability of the buds to import (14)C increases for 5-7 h and then declines to a negligible amount. Little or no radioactivity from tritiated indoleacetic acid is transported into the lateral buds of decapitated plants during the first 48 h following removal of the apex and it appears that rapid metabolism of the compound occurs in the stem tissues.
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The inhibitory effect of auxin on bud outgrowth is not direct.
“However, the inhibitory effect of auxin is not direct. It was shown that external auxin application to axillary buds does not prevent their outgrowth and experiments with radiolabeled auxin revealed that apex-derived auxin does not enter the dormant bud. Additionally, auxin transport appears to be too slow to mediate a direct effect (Hall and Hillman, 1975; Morris, 1977; Everat-Bourbouloux and Bon”
From Shaping plant architecture (2015) · cites this paper as Hall and Hillman, 1975
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Strigolactone Acts Downstream of Auxin to Regulate Bud Outgrowth in Pea and Arabidopsis
Brewer, P. B., Dun, E. A., Ferguson, B. J., Rameau, C., & Beveridge, C. A. (2009) · PLANT PHYSIOLOGY · doi:10.1104/pp.108.134783 · Cited by 418 · see citing works
“…in the vascular cambium of the stem (the polar auxin transport stream) and apparently cannot change direction to move upward to enter axillary buds and branches (Snow, 1937; Hall and Hillman, 1975; Morris, 1977; Morris and Thomas, 1978; Bangerth, 1989; Prasad et al., 1993; Booker et al., 2003).”
BackgroundAuxin-cytokinin interactions in the control of shoot branching
Shimizu-Sato, S., Tanaka, M., & Mori, H. (2009) · Plant Molecular Biology · doi:10.1007/s11103-008-9416-3 · Cited by 387 · see citing works
Strigolactones enhance competition between shoot branches by dampening auxin transport
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Cline, M. G. (1991) · The Botanical Review · doi:10.1007/bf02858771 · Cited by 380 · see citing works
The hormonal regulation of axillary bud growth in <i>Arabidopsis</i>
Chatfield, S. P., Stirnberg, P., Forde, B. G., & Leyser, O. (2000) · The Plant Journal · doi:10.1046/j.1365-313x.2000.00862.x · Cited by 284 · see citing works
Strigolactones and the control of plant development: lessons from shoot branching
Waldie, T., McCulloch, H., & Leyser, O. (2014) · The Plant Journal · doi:10.1111/tpj.12488 · Cited by 242 · see citing works
Teichmann, T., & Muhr, M. (2015) · Frontiers in Plant Science · doi:10.3389/fpls.2015.00233 · Cited by 228 · see citing works
“Additionally, auxin transport appears to be too slow to mediate a direct effect (Hall and Hillman, 1975; Morris, 1977; Everat-Bourbouloux and Bonnemain, 1980; Booker et al., 2003).”
Apical Dominance and Shoot Branching. Divergent Opinions or Divergent Mechanisms?
Dun, E. A., Ferguson, B. J., & Beveridge, C. A. (2006) · Plant Physiology · doi:10.1104/pp.106.086868 · Cited by 227 · see citing works
<i>AXR1</i> Acts after Lateral Bud Formation to Inhibit Lateral Bud Growth in Arabidopsis
Stirnberg, P., Chatfield, S. P., & Leyser, H. M. O. (1999) · Plant Physiology · doi:10.1104/pp.121.3.839 · Cited by 152 · see citing works
Turnbull, C. G. N., Raymond, M. A. A., Dodd, I. C., & Morris, S. E. (1997) · Planta · doi:10.1007/s004250050128 · Cited by 116 · see citing works
Lim, R., & Tamas, I. A. (1989) · Plant Growth Regulation · doi:10.1007/bf00024773 · Cited by 11 · see citing works
- Authors
- Hall, S. M., & Hillman, J. R.
- Affiliations
- University of Glasgow (GB)
- Venue
- Planta
- Published
- 1975
- Volume
- 123
- Issue
- 2
- Pages
- 137-143
- ISSN
- 0032-0935 (ISSN-L)
- 1432-2048
- OpenAlex
- W2004626910
- Cited by
- 113
- References
- 0
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 5 · 2020: 6 · 2019: 3 · 2018: 3 · 2017: 3 · 2016: 6 · 2015: 4 · 2014: 4 · 2013: 2
- FWCI
- 3.44
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Planta (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Flowering Plant Growth and Cultivation
- Keywords
- lateral bud growth, Phaseolus vulgaris, decapitation, indole-3-acetic acid, assimilate transport, bud elongation, auxin metabolism, plant growth regulation
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