Fungicidal compositions
A composition suitable for control of diseases caused by phytopathogens comprising (A) a compound of formula I wherein R 1 is difluoromethyl or trifluoromethyl and X is chloro, fluoro or bromo; and (B) at least one compound selected from compounds known for their fungicidal activity; and a method of controlling diseases on useful plants, especially rust diseases on soybean plants.
1. A composition, comprising:
(A) a compound of formula (l)
wherein R 1 is difluoromethyl and X is chloro, fluoro or bromo; and
(B) fludioxonil, fenpropidin, mandipropamid, fenpropimorph, or fluopyram;
wherein the weight ratio of (A) to (B) is present in a synergistically effective amount.
2. The composition of claim 1 , wherein X is chloro.
3. The composition of claim 2 , wherein (B) is fludioxonil.
4. The composition of claim 2 , wherein (B) is fenpropidin.
5. The composition of claim 2 , wherein (B) is mandipropamid.
6. The composition of claim 2 , wherein (B) is fenpropimorph.
7. The composition of claim 2 , wherein (B) is fluopyram.
8. A method of controlling diseases on useful plants or on propagation material thereof caused by phytopathogens, which comprises applying to the useful plants, the locus thereof or propagation material thereof a composition according to claim 1 .
9. The method of claim 8 , wherein the phytopathogen is Colletotrichum lagenarium, Monographella nivalis, Cercospora arachidico/a, Gaeumannomyces graminis, Pyrenophora teres, Pseudocercosporella herpotrichoides, Alternaria solani, Septoria tritici, Botrytis cinereal , and Phakopsora pachyrhizi.
10. A method of controlling diseases on soybean plants caused by phytopathogens, which comprises applying to the soybean plants or to the locus thereof a composition according to claim 1 .
11. A composition, comprising:
(A) a compound of formula (l)
wherein R 1 is difluoromethyl and X is chloro, fluoro or bromo, and
(B) fludioxonil, fenpropidin, mandipropamid, fenpropimorph, or fluopyram, wherein the weight ratio of (A) to (B) is 4:1 to 1:4.
12. The method of claim 11 , wherein X is chloro.
13. The composition of claim 12 , wherein (B) is fludioxonil.
14. The composition of claim 12 , wherein (B) is fenpropidin.
15. The composition of claim 12 , wherein (B) is mandipropamid.
16. The composition of claim 12 , wherein (B) is fenpropimorph.
17. The composition of claim 12 , wherein (B) is fluopyram.