Seeds and Germination

Duration: 22

Year Published: 1960

Creator: CRM/McGraw-Hill Films

Format: 16mm

Color: Color

Description: Portrays the seed as a careful package of an embryo adapted for dispersal and survival. Points out variety in size of some common garden plants. Shows how adaptations for transportation disperse the coconut, milkweed, and acorn seeds. Diagrams the corn and lima bean seeds stressing the reproductive parts of each. Explains dormancy as caused by the state of the embryo, inhibitors, or the impermeable seed coat. Germination of seeds shown by time-lapse photography shows heat given off and oxygen consumed. Shows patterns of germination differing as seed structure differs. Demonstrates the effects of auxins upon the growth of a young plant by use of time-lapse photography.


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