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Metabolites form host and nonhost plant root exudates inhibit and/or stimulate broomrape seed germination and radical growth

AutorCimmino, Alessio ; Fernández-Aparicio, Mónica ; Avolio, Fabiana; Andolfi, Anna; Rubiales, Diego ; Evidente, Antonio
Fecha de publicaciónjul-2014
Citación10th Spanish-Italian Symposium of Organic Chemistry (2014)
ResumenOrobanche and Phelipanche species (the broomrapes) are parasitic plants, some of which represent serious weed problems and cause yield reduction of many important crops. The main opstacle for long term management of broomrape infested fields is the durable seedbank. lndeed, seeds of these parasites m ay remain dormant in the soil for many years until the germination is stimulated by a chemical signal exuded by roots of a host plant. Various approaches are possible for seedbank demise including fumigation, solarization, suicidal germination, catch and trap crops and biological control. However, in practice broomrape control relies mainly on chemicals. There is a need for novel, effective and environmentally compatible alternatives as to develop natural product based pesticides to control broomrapes. In this communication we will describe the chemical characterization of metabolites isolated from some host and non-host plant root exudates and their capability to inhibit and/or stimulate germination and radical growth of Orobanche spp. seeds in a differential manner.
DescripciónTrabajo presentado en el 10th Spanish-Italian Symposium of Organic Chemistry (SISOC-X), celebrado en Firenze del 17 al 20 de julio de 2014.
URIhttp://hdl.handle.net/10261/160715
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