<P> An important principle of plant organization based upon auxin distribution is apical dominance , which means the auxin produced by the apical bud ( or growing tip ) diffuses ( and is transported ) downwards and inhibits the development of ulterior lateral bud growth , which would otherwise compete with the apical tip for light and nutrients . Removing the apical tip and its suppressively acting auxin allows the lower dormant lateral buds to develop , and the buds between the leaf stalk and stem produce new shoots which compete to become the lead growth . The process is actually quite complex , because auxin transported downwards from the lead shoot tip has to interact with several other plant hormones ( such as strigolactones or cytokinins ) in the process on various positions along the growth axis in plant body to achieve this phenomenon . This plant behavior is used in pruning by horticulturists . </P>
<P> An important principle of plant organization based upon auxin distribution is apical dominance , which means the auxin produced by the apical bud ( or growing tip ) diffuses ( and is transported ) downwards and inhibits the development of ulterior lateral bud growth , which would otherwise compete with the apical tip for light and nutrients . Removing the apical tip and its suppressively acting auxin allows the lower dormant lateral buds to develop , and the buds between the leaf stalk and stem produce new shoots which compete to become the lead growth . The process is actually quite complex , because auxin transported downwards from the lead shoot tip has to interact with several other plant hormones ( such as strigolactones or cytokinins ) in the process on various positions along the growth axis in plant body to achieve this phenomenon . This plant behavior is used in pruning by horticulturists . </P>
where is the auxin hormone made in a plant stem
where is the auxin hormone made in a plant stem
lower dormant lateral buds
lower dormant lateral buds