Fungicidal compositions
View Patent ↗1) Fungicidal compositions comprising: a) at least one pyridylmethylbenzamide derivative of formula (I): in which the various radicals are as defined in the description, and b) at least one compound (II) which is a phosphorous acid derivative, or phosphorous acid itself, and also alkali metal, alkaline-earth metal or metallic salts thereof. 2) Process for curatively or preventively combating the phytopathogenic fungi of crops, characterized in that an effective and non-phytotoxic amount of one of these fungicidal compositions is applied to the aerial parts of the plants.
1. A synergistic fungicidal composition comprising:
a) a compound (I) is 2,6-dichloro-N-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]methyl}benzamide; and
b) a compound (II) which is phosphorous acid or fosetyl-Al;
wherein the compound (I)/phosphorous acid ratio is 1/15 to 1/50 and the compound (I)/fosetyl-Al ratio is 1/1 to 1/50.
2. The fungicidal compositions according to claim 1 , wherein the compound (I)/phosphorous acid ratio is 1/15 to 1/25 and the compound (I)/fosetyl-Al ratio is 1/5 to 1/25.
3. The fungicidal compositions according to claim 1 , wherein the compound (I)/phosphorous acid ratio is 1/15 to 1/20 and the compound (I)/fosetyl-Al ratio is 1/10 to 1/20.
4. The fungicidal compositions according to claim 1 , wherein the compound (I)/phosphorous acid ratio is 1/15 and the compound (I)/fosetyl-Al ratio is equal to or in the region of 1/15.
5. The fungicidal compositions according to claim 1 , further comprising an agriculturally suitable inert support and optionally an agriculturally suitable surfactant.
6. The fungicidal compositions according to claim 1 , wherein the composition comprises from 0.5 to 99% of the combination of compound (I) and compound (II).
7. A process for combating the phytopathogenic fungi of crops, characterized in that an agronomically effective and non-phytotoxic amount of a fungicidal composition according to claim 1 is applied to the soil in which the plants are growing or are liable to grow, to the leaves and/or fruit of the plants or to the plant seeds.
8. The process according to claim 7 , characterized in that the fungicidal composition is applied by spraying a liquid that contains the fungicidal composition to the aerial parts of the crops to be treated.
9. The process according to claim 8 , characterized in that the amount of fungicidal composition corresponds to a dose of compound (I) and of compound (II) of between about 5 and about 2000 g/ha.
10. The process according to claim 7 , characterized in that the amount of fungicidal composition corresponds to a dose of compound (I) and of compound (II) of between about 5 and about 2000 g/ha.
11. A process according to claim 10 , characterized in that the treated crop is grapevine.
12. The process according to claim 7 , characterized in that the treated crop is grapevine.
13. The process according to claim 12 , characterized in that the phytopathogenic fungus treated is downy mildew of grapevine.
14. A product comprising a compound (I) and a compound (II), as a combined preparation for simultaneous, separate or sequential use in combating the phytopathogenic fungi of crops in a site, wherein;
a) the compound (I) is 2,6-dichloro-N-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]methyl}benzamide;
b) the compound (II) is phosphorous acid or fosetyl-Al; and
c) the compound (I)/phosphorous acid ratio is 1/15 to 1/50 and the compound (I)/fosetyl-Al ratio is 1/1 to 1/50.
15. The product according to claim 14 , wherein the compound (I)/phosphorous acid ratio is 1/15 to 1/25 and the compound (I)/fosetyl-Al ratio is 1/5 to 1/25.