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SHIRO works mainly by foliar action, and in tank mix with other herbicide actives it will control a wide range of broad-leaved weeds.
SHIRO is most effective if applied when the weeds are small and actively growing. SHIRO should always be applied in conjunction with a recommended adjuvant or suitable herbicide tank mix partner(s).
SHIRO is a Water Dispersible Granule (WDG) formulation.
SHIRO contains triflusulfuron-methyl, a sulfonylurea which is an ALS inhibitor that causes the Inhibition of acetolactate synthase (ALS), it belongs to Group B (HRAC).