2022-2023 Poa Annua Guarantee
Corteva Agriscience is offering a guarantee on our Proven Solutions for Poa annua control.
Program guidelines:
Kerb ® SC specialty herbicide 30 to 40 oz/A (0.75 lbs a.i.)
Greens
Non-overseed Turfgrass
Kerb SC 40 to 60 oz/A (1.0 lbs a.i.)
Apply between October 1 and December 31, 2022
Kerb SC 30 oz/A (0.75 lbs a.i.) + Dimension ® 2EW specialty herbicide 32 oz/A (0.5 lbs a.i.) OR Crew™ specialty herbicide 200 lbs/A 1 st Application: Dimension 2EW 32 oz/A (0.5 lbs a.i.) OR Crew 200 lbs/A 2 nd Application: Dimension 2EW 32 oz/A (0.5 lbs a.i.) OR Crew 200 lbs/A
Non-overseed Turfgrass*
1 st application 6 weeks before overseed
Overseed Turfgrass
2 nd application after overseed is established, or when turfgrass is well established with a good root system and a uniform stand and has received at least two mowings
Guaranteed 90% Poa Control through April 15, 2023 When using Kerb ® SC specialty herbicide, treated areas must receive ¼ to ½ inch irrigation immediately following product application. IPM Statement: Poa annua has evolved resistance to every effective mode of action that has been widely used to control this weed. To limit the spread of resistant Poa, there must be a rotation of products with differing modes of action, or applications of combination treatments with 2 or more modes of action. For further resistance management techniques and guidelines, please refer to Kerb SC specialty herbicide label. Higher amounts of rainfall and/or higher than average temperatures might make it necessary for higher rates or a repeat application to achieve adequate control. Lack of control the previous year/season due to potential resistance should be met with university plant testing or earlier application timing. It is important to contact your local Corteva territory manager to determine the best choice for poa control.
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