Chemical Studies on Brown-spot Disease of Tobacco Plants Part I. Tenuazonic Acid as a Vivotoxin of <i>Alternaria longipes</i>

Yoichi MIKAMI; Yasuo NISHIJIMA; Hiroko IIMURA; Akinori SUZUKI; Saburo TAMURA

doi:10.1271/bbb1961.35.611

Agricultural and Biological Chemistry

Online ISSN : 1881-1280
Print ISSN : 0002-1369
ISSN-L : 0002-1369

Chemical Studies on Brown-spot Disease of Tobacco Plants

Part I. Tenuazonic Acid as a Vivotoxin of Alternaria longipes

Yoichi MIKAMI, Yasuo NISHIJIMA, Hiroko IIMURA, Akinori SUZUKI, Saburo TAMURA

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JOURNAL FREE ACCESS

1971 Volume 35 Issue 4 Pages 611-618

DOI https://doi.org/10.1271/bbb1961.35.611

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Abstract

Tenuazonic acid has been isolated as a halo-inducing toxin from the culture filtrate of Alternaria longipes, a fungus causative of the tobacco brown-spot disease. Further, its occurrence in leaves of diseased plants was confirmed by a spectrometric method. The role of the acid in the host-parasite interaction was elucidated from the phytopathological standpoint.

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