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J Nat Prod. 2009 Nov;72(11):2032-5. doi: 10.1021/np900548p.

Harzianic acid, an antifungal and plant growth promoting metabolite from Trichoderma harzianum.

Author information

1
School of Earth and Geographical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia, 6009. frvinale@unina.it

Abstract

A Trichoderma harzianum strain, isolated from composted hardwood bark in Western Australia, was found to produce a metabolite with antifungal and plant growth promoting activity. The structure and absolute configuration of the fungal compound, harzianic acid (1), were determined by X-ray diffraction studies. Harzianic acid showed antibiotic activity against Pythium irregulare, Sclerotinia sclerotiorum, and Rhizoctonia solani. A plant growth promotion effect was observed at low concentrations of 1.

PMID:
19894739
DOI:
10.1021/np900548p
[Indexed for MEDLINE]

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