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Turkish Journal of Biology

DOI

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Abstract

The levels of endogenous form of free, bound and total-gibberellic acid (GA_3), abscisic acid (ABA) and cytokinin (zeatin) in culture medium were determined. The changes in dry weight of the mycelium, dependent on the culture periods, was examined through the use of white-rot fungus Lentinus tigrinus and brown-rot fungus Laetiporus sulphureus which were cultured in the medium of olive oil mill waste in a static culture. Spectrophotometric techniques were used to determine the amounts of endogenous GA_3, ABA and zeatin. As a result, fungi used in this study showed that they synthesized GA_3, ABA and zeatin as a primary or secondary metabolite and these plant hormones were found to be in free and bounded forms.

First Page

453

Last Page

462

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