Product Q&A

Answer:

Per the Dithiopyr 40 WSB product label: Preemergence applications totaling more than 0.5 lb ai/acre (greater than 1.25 lb/acre of Quali-Pro Dithiopyr 40 WSB) must be applied as a split application made at 5- to 10-week intervals. A maximum of 0.5 lb ai/acre (1.25 lb of Quali-Pro Dithiopyr 40 WSB) per application is allowed for early postemergence control.

Answer last updated on: 08/14/2018

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