Synergistic fungicidal mixtures for fungal control in cereals
A fungicidal composition containing a fungicidally effective amount of a compound of Formula I: (3S,6S,7R,8R)-8-benzyl-3-(3-((isobutyryloxy)methoxy)-4-methoxypicolinamido)-6-methyl-4,9-dioxo-1,5-dioxonan-7-yl isobutyrate, and at least one fungicide selected from the group consisting of fluoxastrobin, trifloxystrobin, and picoxystrobin, provides synergistic control of selected fungi.
1. A synergistic fungicidal mixture, comprising:
a fungicidally effective amount of a compound of Formula I:
and
at least one fungicide selected from the group consisting of fluoxastrobin, trifloxystrobin, and picoxystrobin, wherein a concentration ratio of the compound of Formula I to the at least one fungicide is from about 1:625 to about 1:5.
2. The mixture of claim 1 , wherein the fungicide is fluoxastrobin and the concentration ratio of the compound of Formula I to fluoxastrobin is from about 1:156 to about 1:5.
3. The mixture of claim 1 , wherein the fungicide is trifloxystrobin and the concentration ratio of the compound of Formula I to trifloxystrobin is from about 1:625 to about 1:5.
4. The mixture of claim 1 , wherein the fungicide is picoxystrobin and the concentration ratio of the compound of Formula I to picoxystrobin is from about 1:208 to about 1:5.
5. A fungicidal composition comprising a fungicidally effective amount of the fungicidal mixture of claim 1 and an agriculturally acceptable adjuvant or carrier.
6. The mixture of claim 1 , wherein the concentration ratio of the compound of Formula I to the at least one fungicide is from about 1:17 to about 1:625.
7. The synergistic fungicidal mixture of claim 1 , wherein the mixture has a synergism factor against Puccinia recondite of 1.11 or greater in a 1 day protectant test of Yuma wheat seedlings, wherein the Yuma wheat seedlings were exposed to 100% relative humidity for 24 hours after inoculation with the Puccinia recondite.
8. The synergistic fungicidal mixture of claim 1 , wherein the mixture has a synergism factor against Puccinia recondite of 1.11 or greater in a 3 day curative test of Yuma wheat seedlings, wherein the Yuma wheat seedlings were exposed to 100% relative humidity for 24 hours after inoculation with the Puccinia recondite.
9. The mixture of claim 1 , wherein the concentration ratio of the compound of Formula I to the at least one fungicide is from about 1:5 to about 1:52.
10. A method for reducing or controlling a fungal attack on a plant, the method comprising: applying a fungicidally effective amount of a compound of Formula I:
and
at least one fungicide selected from the group consisting of fluoxastrobin, trifloxystrobin, picoxystrobin, and benzovindiflupyr, wherein a concentration ratio of the compound of Formula I to the at least one fungicide is from about 1:625 to about 1:5;
wherein said effective amount is applied to at least one of the plant, an area adjacent to the plant, soil adapted to support growth of the plant, a root of the plant, foliage of the plant, and a seed adapted to produce the plant.
11. The method of claim 10 , wherein the fungicide is fluoxastrobin and the concentration ratio of the compound of Formula I to fluoxastrobin is from about 1:156 to about 1:5.
12. The method of claim 10 , wherein the effective amount is applied at a rate between 110 g/ha and 500 g/ha.
13. The method of claim 10 , wherein the fungicide is trifloxystrobin and the concentration ratio of the compound of Formula I to trifloxystrobin is from about 1:625 to about 1:5.
14. The method of claim 10 , wherein the fungicide is picoxystrobin and the concentration ratio of the compound of Formula I to picoxystrobin is from about 1:208 to about 1:5.
15. The method of claim 10 , wherein the plant is infected with Puccinia recondite.
16. A method for reducing or controlling a fungal attack on a plant, the method comprising: applying a fungicidally effective amount of a compound of Formula I:
and
at least one fungicide selected from the group consisting of fluoxastrobin, trifloxystrobin, picoxystrobin, and benzovindiflupyr, wherein a concentration ratio of the compound of Formula I to the at least one fungicide is from about 1:625 to about 1:5;
wherein said effective amount is applied to at least one of the plant, an area adjacent to the plant, soil adapted to support growth of the plant, a root of the plant, foliage of the plant, and a seed adapted to produce the plant.
17. A synergistic fungicidal mixture, comprising:
a fungicidally effective amount of a compound of Formula I:
and
benzovindiflupyr, wherein a concentration ratio of the compound of Formula I to benzovindiflupyr is from about 4:1 to about 1:39.
18. The mixture of claim 17 , wherein the concentration ratio of Formula I to benzovindiflupyr is from about 1:4 to about 1:13.