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A New Phytotoxic Activity of the Cyclic Peptides Tentoxin and Dihydrotentoxin
Author(s) -
Liebermann B.,
Kölblin R.
Publication year - 1992
Publication title -
journal of phytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 60
eISSN - 1439-0434
pISSN - 0931-1785
DOI - 10.1111/j.1439-0434.1992.tb01272.x
Subject(s) - wilting , alternaria alternata , biology , fungus , weed , botany , microbiology and biotechnology
Extracts of culture filtrate of the phytopathogenic fungus Alternaria alternata (Fries) Keissler cause distinct wilting of cuts of the problem weed Galium aparine L. We were able to demonstrate that the cyclic tetrapeptides tentoxin and dihydrotentoxin were reponsible for this effect. A tentoxin derivative, isolated from the culture filtrate, shows a similar, but stronger wilting activity.