Why are some synthetic plant growth regulators more useful to us than naturally occurring substances?
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Hormones are produced naturally by plants, while plant growth regulators are applied to plants by humans. Plant hormones and growth regulators are chemicals that affect:
Flowering.
Aging.
Root growth.
Distortion and killing of organs.
Prevention or promotion of stem elongation.
Color enhancement of fruit.
Prevention of leafing, leaf fall or both.
Many other conditions.
Very small concentrations of these substances produce major growth changes.
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Answer:
1)- flowering
2)-aging
3)-root growth
and....... other
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