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Auxin Application Via Foliar Sprays

Drahn, S. R. International Plant Propagators' Society, combined proceedings 2007, 57:274-277. 2008.

Over the past 6 years Bailey Nurseries, Inc. has been delivering IBA (indole-3-butyric acid) to unrooted cuttings in a couple of ways; manual basal dips before planting and overhead sprays after planting is complete. Careful, repetitive trialing has shown us that many of the taxa respond equally as well to being sprayed with water soluble IBA after sticking instead of the traditional hand dip method that we have used for years. In both our Minnesota and Oregon propagation facilities the shift in delivery method has been driven by a desire to reduce our employees’ exposure to chemicals, develop a more streamlined and sanitary approach to propagation, and to reduce the labor costs associated with rooting hormone applications.


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Author(s): S. R. Drahn

Section: Vegetative Propagation and Tissue Culture