CSIRO, Division of Plant Industry, P.O. Box 1600, Canberra, A.C.T. 2601, Australia
Abstract:
A potent germination inhibitor of Peronospora tabacina conidia has been isolated from tobacco leaves infected with this pathogen. From consideration of its spectral properties, it is suggested that the structure of this inhibitor is 5-isobutyroxy-β-ionone. The effects of this inhibitor on the germination of P. tabacina conidia have been investigated.