Phytotoxins produced by Pestalotiopsis oenotherae, a pathogen of evening primrose

The major phytotoxin produced by Pestalotiopsis oenotherae, a pathogen of evening primrose, has been identified as oxysporone, a compound not previously known as a phytotoxin. Pestalopyrone, a minor new toxin, has been shown to be 6-(1′-methylprop-1′-enyl)-4-methoxy-2-pyrone. The gibberellin synergi...

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Veröffentlicht in:	Phytochemistry (Oxford) 1991, Vol.30 (5), p.1471-1474
Hauptverfasser:	Venkatasubbaiah, P., Van Dyke, C.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Biological and medical sciences biosynthesis chemical composition chemical structure culture filtrates evening primrose Fundamental and applied biological sciences. Psychology fungal phytotoxins Fungal plant pathogens hydroxypestalotin Oenothera laciniata Onagraccae oxysporene oxysporone pestalopyrone pestalotin Pestalotiopsis Pestalotiopsis oenotherae Phytopathology. Animal pests. Plant and forest protection phytotoxins plant pathogenic fungi Systematics. Morphology. Development cycle. Physiology
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Beschreibung
Zusammenfassung:	The major phytotoxin produced by Pestalotiopsis oenotherae, a pathogen of evening primrose, has been identified as oxysporone, a compound not previously known as a phytotoxin. Pestalopyrone, a minor new toxin, has been shown to be 6-(1′-methylprop-1′-enyl)-4-methoxy-2-pyrone. The gibberellin synergists pestalotin and hydroxypestalotin, also produced by this fungus, are only weakly phytotoxic.
ISSN:	0031-9422 1873-3700
DOI:	10.1016/0031-9422(91)84189-Y