Release characteristics of encapsulated formulations incorporating plant growth factors |
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Authors: | Wybraniec Slawomir Schwartz Liliana Wiesman Zeev Markus Arie Wolf David |
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Affiliation: | Department of Chemical Engineering and Technology, Institute for Inorganic Chemistry and Technology, Cracow University of Technology, Poland. |
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Abstract: | The release characteristics of encapsulated formulations containing a combination of plant growth factors (PGF)--plant hormones (IBA, paclobutrazol), nutrients (fertilizers, microelements), and fungicide (prochloraz)--were studied. The formulations were prepared by encapsulating the active ingredients in a polyethylene matrix and, in some cases, subsequently coating the product with polyurethane. Dissolution experiments were carried out with both coated and non-coated formulations to determine the sustained release patterns of the active ingredients. The PGF controlled-release systems obtained have been shown to promote development of root systems, vegetative growth, and reproductive development in cuttings, potted plants, or garden plants of various plant species. These beneficial effects are attributable to the lasting and balanced PGF availability provided by these systems. |
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