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Apical bud

Gardening ApicalApical dominance

apical bud A bud at the tip of a stem.
apical dominance The inhibition of lateral bud growth by the presence of the hormone auxin in a plant's terminal bud.

 


Terminal bud A plant's apical bud. Terrarium A partly or entirely closed glass container used to house a collection of indoor plants.

The potency of apical dominance not only varies from one species to another but is influenced by orientation: Lateral buds on horizontal branches are less restrained by the apical bud, while lateral buds on vertical growth are strongly suppressed.

' As long as a branch remains intact, the apical bud will grow steadily in a single burst. But if this branch is pruned back (removing the dominant bud), the latent buds below the cut will be invigorated, sprout and make a mass of new growth.

More ground-breaking work by Carl Whitcomb in 1979 demonstrated that removing apical buds provided little benefit to ornamental trees. He showed that trees pruned by more than 15% exhibited "reduced visual quality" as they matured.

The people at Street Jungle like to let their tomatoes spread out and produce lots of fruit, whilst Jerry prefers to pinch out some of the side shoots and the apical bud to increase the size of the tomatoes.

(Gr. syn, with; pous, foot) branching, growth of axillary shoots when apical budding has ceased.syncarp search for term- n.

See also: Water, Planting, Produce, Plant, Compost

Gardening ApicalApical dominance

 
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