ISHS Acta Horticulturae 528: VII International Symposium on Grapevine Genetics and Breeding
CHEMICAL INDUCTION OF PHYTOALEXIN SYNTHESIS IN GRAPEVINES: APPLICATION TO THE CONTROL OF GREY MOULD IN THE VINEYARD |
| Authors: | P. Jeandet, M. Adrian, A.C. Breuil, M. Sbaghi, S. Debord, R. Bessis, L.A. Weston, R. Harmon |
| Keywords: | Botrytis cinerea, Vitis spp., defence mechanisms, elicitation |
| Abstract:
A metallic salt, hexahydratedaluminium chloride (AlCl3), was shown to act as a potent inducer of phytoalexin synthesis in grapevines. AlCl3 is the constituent of a new fungicide manufactured by Laboratoires Goemar and sold under the Synermix trademark. The efficiency of Synermix was tested for the control of grey mould in the vineyard, alone, or used in association with Iprodione. It has been shown that Synermix increased the efficiency of anti-Botrytis cinerea treatments. Results discussed herewith strongly supports the hypothesis that Synermix can act by stimulating host defence mechanisms in grapevines. | |
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