Regulation of Growth

Duration: 33

Year Published: 1960

Format: 16mm

Color: Color

Description: Discusses factors involved in development of the body of a plant citing experiments in plant growth regulation and emphasizing the need for more experimentation to determine just how plant hormones work. Traces growth in plants back to meristematic tissues in root, stem, and cambium; and states that internal factors regulate and control growth along with external factors present in the environment. Defines auxins and their effects on tropisms. Points out indoleacetic acid and gibberellic acid, their effects upon plants and practical applications for their use. Mentions accelerated growth in connection with insect and bacteria producing galls.

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