Geotropic Stimulation: Effects on Wound Vessel Differentiation.
Wounded excised shoots of Coleus blumeni (Benth.) were geotropically stimulated by rotation on a klinostat at 3 rev/min at right angles to the horizontal axis and placed alternately in inverted and upright positions at 24-hour intervals. These treatments resulted in the differentiation of significantly greater numbers of wound vessel members. The pattern of wound-vessel formation was altered by rotation on the klinostat but remained unaffected by 24-hour inversion.
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