Advice

What hormone promotes growth of lateral buds?

What hormone promotes growth of lateral buds?

Cytokinin
So, the correct answer is ‘Cytokinin’

Which hormone is responsible for induce growth in axillary buds?

Auxin has long been known to inhibit axillary bud growth, while cytokinins promote axillary bud growth.

How do lateral buds grow?

Lateral buds grow along the sides of a shoot and give rise to the sideways growth that makes a plant bushy. These buds stay dormant until the shoot has grown long enough to diminish the influence of the hormones produced by the terminal bud, or until the terminal bud is pruned off; then they begin their growth.

Does cytokinin promote lateral bud growth?

One factor which might control the onset of lateral bud growth is cytokinin.

What is auxin and cytokinin?

The hormones auxin and cytokinin are key regulators of plant growth and development. As they are active at minute concentrations and regulate dynamic processes, cell and tissue levels of the hormones are finely controlled developmentally, diurnally, and in response to environmental variables.

Which growth hormone is responsible for induce rooting in a twig?

To induce rooting in a twig, Auxin must be used.

Which growth hormone is responsible for quick ripening of fruits?

Ethylene is known to be a key player of plant aging, including fruit ripening, and flower and leaf senescence (Abeles et al., 1992).

What is lateral bud development?

The lateral bud primordium (from which the lateral bud develops) is located below SAM. The shoot tip rising from the SAM inhibits the growth of the lateral bud by repressing auxin. When the shoot is cut off, the lateral bud begins to lengthen which is mediated by a release of cytokinin.

How does auxin inhibit lateral bud growth?

Since a growing stem is a strong sink for sugars, and sugar is indispensable for shoot branching, the indirect theory of apical dominance might now be explained as auxin-induced stem growth inhibits bud outgrowth by diverting sugars away from buds.

Does ethylene promote lateral growth?

The rise in ethylene production was concluded to induce lateral shoot growth, because: (a) outgrowth of the shoots was blocked by preventing an increase in ethylene production, (b) 1-aminocyclopropane-1-carboxylic acid (ACC), the natural precursor of ethylene biosynthesis, substituted for IAA in the promotion of …

Why does auxin inhibit lateral growth?

The direct theory explains apical dominance as auxin synthesized in the shoot apex moves down the stem into buds and inhibits their growth. According to this theory, apically derived auxin inhibits buds from synthesizing their own auxin necessary for their growth.

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