Abscisic Acid in Phytopathogenic Fungi of the Genera Botrytis, Ceratocystis, Fusarium, and Rhizoctonia

Author:

Dörffling Karl1,Petersen Wolfgang1,Sprecher Ewald2,Urbasch Irene2,Hanssen Hans-Peter2

Affiliation:

1. Institut für Allgemeine Botanik und Botanischer Garten der Universität Hamburg, Ohnhorststr. 18, D-2000 Hamburg 52

2. Lehrstuhl für Pharmakognosie der Universität Hamburg, Bundesstr. 43, D-2000 Hamburg 13

Abstract

Strains of the phytopathogenic species Botrytis cinerea, Ceratocystis coerulescens, C.fimbriata, Fusarium oxysporum, and Rhizoctonia solani were cultivated on a de­fined synthetic culture medium. The plant hormone abscisic acid (ABA) was identified by gas chromato- graphy/mass spectrometry and gas chromatography data, and the contents determined in mycelia (15.9-31.9 ng/g mycel) and culture media (1.0-4.6 ng/ml) by scintillation counting.

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

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