Method for inducing viral resistance in plants

Details Method for inducing viral resistance in plants Method for inducing viral resistance in plants

A - Human Necessities

01

N

A01N 47/24 (2006.01) A01N 37/50 (2006.01) A01N 43/40 (2006.01) A01N 43/54 (2006.01) A01P 15/00 (2006.01)

Patent

CA 2409649

The invention relates to a method for inducing viral resistance in plants which is characterized in that the plants, the soil or seeds are treated with an effective quantity of a compound, which is absorbed by the plants or seeds and which is of formula (I), wherein: X represents halogen C1-C4 alkyl or trifluoromethyl; m is equal to 0 or 1; Q represents C(=CH-CH3)-COOCH3, C(=CH- OCH3)-COOCH3, C(=CH-OCH3)-CONHCH3, C(=N-OCH3)-COOCH3, C(=N-OCH3)-CONHCH3 or N(- OCH3)- COOCH3; A represents -O-B, -CH2O-B, -OCH2-B, -CH=CH-B, -C=C-B, -CH2O- N=C(R1)-B or -CH2O-N=C)R1)-C(R2)=N-OR3, whereby B represents optionally substituted phenyl, naphthyl, 5-member or 6-member hetaryl or 5-member or 6- member heterocyclyl, containing one to three N atoms and/or one O or S atom or one or two O and/or S atoms; R1 represents hydrogen, cyano, alkyl, alkyl halide, cycloalkyl, alkoxy; R2 represents optionally substituted phenyl, phenylcarbonyl, phenylsulfonyl, 5-member or 6-member hetaryl, 5-member or 6- member hetaryl carbonyl or 5-member or 6-member hetaryl sulfonyl, or alkyl, cycloalkyl, alkenyl, alkynyl, alkylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfonyl or C(=NOR.alpha.)-OR.beta., and; R3 represents hydrogen and optionally substituted alkyl, alkenyl and alkynyl.

L'invention concerne un procédé permettant de conférer à des plantes une résistance vis-à-vis de virus, qui se caractérise en ce que l'on traite les plantes, le sol ou les semences avec une quantité efficace d'un composé correspondant à la formule (I), lequel est absorbé par les plantes ou les semences. Dans ladite formule (I): X représente halogène, alkyle C¿1-?C¿4? ou trifluorométhyle; m vaut 0 ou 1; Q représente C(=CH-CH¿3?)-COOCH¿3?, C(=CH-OCH¿3?)-COOCH¿3?, C(=CH-OCH¿3?)-CONHCH¿3?, C(-N-OCH¿3?)-COOCH¿3?, C(=N-OCH¿3?)-CONHCH¿3?-CONHCH¿3? ou N(-OCH¿3?)-COOCH¿3?; A représente -O-B, -CH¿2?O-B, -OCH¿2?-B, -CH=CH-B, -C.ident.C-B, -CH¿2?O-N=C(R?1¿)-B ou bien -CH¿2?O-N=C(R?1¿)-C(R?2¿)=N-OR?3¿, où B représente phényle éventuellement substitué, naphtyle, hétaryle à 5 ou 6 éléments ou hétérocyclyle à 5 ou 6 éléments, contenant 1 à 3 atomes de N et/ou un atome de O ou de S, ou bien 1 ou 2 atomes de O et/ou de S, R?1¿ représente hydrogène, cyano, alkyle, halogénure d'alkyle, cycloalkyle, alcoxy; R?2¿ représente phényle éventuellement substitué, phénylcarbonyle, phénylsulfonyle, hétaryle à 5 ou 6 éléments, hétaryle carbonyle à 5 ou 6 éléments ou bien hétarylsulfonyle à 5 ou 6 éléments, ou alkyle, cycloalkyle, alcényle, alkynyle, alkylcarbonyle, alcénylcarbonyle, alkynylcarbonyle, alkylsulfonyle, ou bien C(=NOR?.alpha.¿)-OR?.beta.¿, et R?3¿ représente hydrogène, alkyle éventuellement substitué, alcényle, alkynyle.

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