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Science 27 January 1978:
Vol. 199. no. 4327, pp. 442 - 443
DOI: 10.1126/science.199.4327.442
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Articles

Acrolein Induces Differentiation of Infection Structures in the Wheat Stem Rust Fungus

V. MACKO 1, J. A. A. RENWICK 1, and J. F. RISSLER 1

1 Boyce Thompson Institute for Plant Research, Yonkers, New York 10701

A chemical factor from wheat stem rust uredospores that induces infection structure formation has been identified as acrolein (2-propenal). This compound is the active component of distillates from uredospore extracts previously shown to induce infection structure formation.

Submitted on October 31, 1977

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Science. ISSN 0036-8075 (print), 1095-9203 (online)