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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Structure Elucidation of Sesquiterpenoid from Pathogenic Fungus Bipolaris cynodontis

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1996, v.9 no.1, pp.107-111
Lim, Chi-Hwan
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Abstract

A phytotoxic compound was isolated from a culture of Bipolaris cynodontis, a fungus pathogenic to Bermuda grass. The structure was determined by spectroscopic analyses including 2D NMR experiments, to be sesquiterpene having a 9-carbon unit side chain. The compound inhibits the root growth of the seedlings of Italian ryegrass and rice plant, the host plant of the B. cynodontis, by about 100% at 100ppm, and it is suggested that this may play an important role in the expression of the disease symptom.

keywords
phytotoxin, Bipolaris cynodontis, Bermuda grass, Italian ryegrass, sesquiterpene, KM-01


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