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Ensuring pesticide performance in heavy rainfall

July 10, 2024  By ONFruit

With the heavy rainfall warning associated with the remnants of Hurricane Beryl across southwestern Ontario over the coming days, understanding rainfastness – or the ability of a pesticide to withstand rainfall – is important to ensure proper efficacy.

All pesticides require a certain amount of drying time between application and a rain event. Typically, residue loss by wash-off is greatest when rain occurs within 24 hours of spraying. After this point, the rainfastness of a product will depend on formulation, adjuvants and length of time since application. |READ MORE

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