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- Title
Properties of vanillyl nonanoate for protection of pepper plants against Phytophthora capsici and Botrytis cinerea.
- Authors
García, Tania; Veloso, Javier; Díaz, José
- Abstract
The properties of a capsinoid, vanillyl nonanoate (VNT), to control P. capsici and B. cinerea were studied both in vitro and in vivo. In vitro tests showed that VNT inhibits the germination of P. capsici spores, but not of B. cinerea spores. The antifungal effect was caused by the whole molecule, but not by the precursor molecules corresponding to the aromatic ring and the linear chain. In vivo assays, where plants were sprayed with VNT, then inoculated, showed that the compound protected the plant from the diseases caused by P. capsici and B. cinerea. VNT induced an enhanced expression of several pepper genes related to plant defence, namely CaBGLU1, CaSC1 and CaPAL1. Because VNT had no direct toxic effect against B. cinerea, and it induced pepper defence genes, the observed protection should be due to induced resistance.
- Subjects
VANILLYL-alcohol oxidase; BLACK pepper (Plant); PHYTOPHTHORA capsici; BOTRYTIS cinerea; PLANT diseases
- Publication
European Journal of Plant Pathology, 2018, Vol 150, Issue 4, p1091
- ISSN
0929-1873
- Publication type
Article
- DOI
10.1007/s10658-017-1352-0