Brewer, Philip B. Centre for Integrative Legume Research, University of Queensland, Brisbane, Queensland, Australia.
Beveridge, Christine A. Centre for Integrative Research, University of Queensland, Brisbane, Queensland, Australia.
- Plant hormones stop buds from growing
- Branching mutants and novel graft-transmissible signal
- Carotenoid connection
- Novel plant hormone
- Do strigolactones move into buds?
- Crosstalk with cytokinins
- Role of auxin transport
- Auxin is too slow
- Novel feedback signals
- How to apply this knowledge?
- Links to Primary Literature
- Additional Readings
Correlative inhibition of the growth of lateral (axillary) shoots exerted by the growing apical bud of the plant stem. Competition for growth occurs between plant parts. Strongly growing fruits and branches (organs) act as sinks that divert energy and nutrients from other nearby plant organs, reinforcing repressed growth in those weaker organs. This effect is called correlative inhibition (or correlative dominance) and is thought to involve hormonal signals flowing from and to the dominant organs. Simple pruning studies suggest that growing shoot tips repress the growth of tiny buds elsewhere by transmitting repressive signals. This is a specific type of correlative inhibition called apical dominance and is an important factor in controlling final plant shape. See also: Apical meristem; Bud; Lateral meristem; Plant growth; Plant organs; Plant physiology; Stem
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