Plant Growth and DevelopmentHard

Question

Phytohormones are

Options

A.chemicals regulating flowering
B.chemicals regulating secondary growth
C.hormones regulating from seed to adulthood
D.regulating dynthesized by plants and influencing physiological processes

Solution

Phytohormones (Thimann, 1948) are the plant hormones, ie the organic substances which are naturally produced in plants, control the growth or other physiological functions at a site away from their place of ynthesis and actve in extremely minute quantities.

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