Application of Phytohormones in Agriculture

Biology

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Use of auxin in agriculture:

Encourage crop growth & promote root growth. Used as weed killer.

Use of gibberellin in agriculture

Treats mutated dwarf plants to grow to normal height & promotes rapid elongation of the flower stem.

Use of cytokinin in agriculture:

Used for tissue culture technique to promote cell division & differentiation.

Use of abscisic acid in agriculture

Inhibit germination & growth

Use of ethylene in agriculture:

Used to promote maturation of fruit quickly & evenly. Promote flowering in plants in the field.

A hormone that is used to induce dormancy in potatoes during storage or distribution

Auxin

A hormone that is used to produce larger grapes:

Gibberellin

Two most commonly used hormones in tissue culture:

Cytokinin & auxin

Auxin is used in tissue culture because

To help form plants organs such as roots & stems.

Bananas on trees are wrapped with waterproof straw sacks to

speed up the ripening process using the ethylene gas that is trapped in the sacks

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