Active substances for increasing pathogenic defence in...

Details Active substances for increasing pathogenic defence in... Active substances for increasing pathogenic defence in...

C - Chemistry, Metallurgy

12

Q

C12Q 1/68 (2006.01) G01N 33/50 (2006.01)

Patent

CA 2575404

The invention relates to a method for finding compounds which induce plant pathogen defense, the enhanced expression of individual, or a plurality of, endogenous plant genes from the group consisting of jasmonic acid biosynthesis, plant proteinase inhibitors, plant xylanase inhibitors, plant PR proteins (pathogen--related proteins) and plant chitinases being regarded as a sign that induction has taken place, and to the use of these compounds alone or in combination with known compounds which act specifically and directly against phytopathogens, it being possible to carry out the application either simultaneously or staggered.

L'invention concerne un procédé permettant de détecter les composés induisant les la défense des plantes contre les pathogènes. Selon ce procédé, on considère l'augmentation de l'expression de gènes isolés ou de plusieurs gènes qui sont endogènes des végétaux et appartiennent au groupe de la biosynthèse d'acide jasmonique, des inhibiteurs de la protéinase végétale, des inhibiteurs de la xylanase végétale, des protéines PR végétales (protéines liées aux pathogènes) et des chitinases végétales comme indice de l'induction. L'invention concerne également l'utilisation de ces composés seuls ou en association avec des composés déjà connus et ayant une action directe et spécifique contre les phytopathogènes. L'application peut être effectuée soit simultanément ou en différé.

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