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Sempra XL can be used as a selective contact and residual herbicide on Barley, Wheat, Durum Wheat, Rye and Triticale.
Under favourable growing conditions, the residual activity can last for up to 8 weeks after application. The level of effective residual control may be reduced under dry conditions, when poor coverage of the soil surface is achieved, when the crop is planted in non-wetting sand or where soils have a high content of clay or organic matter.
This product is taken up by the shoots of germinating seeds and seedlings. Susceptible weeds germinate but show immediate chlorosis followed by a mauve-pink discolouration. The chlorosis spreads with the aerial growth and the plants become necrotic and die back.
SEMPRA XL is a Suspension Concentrate (SC) formulation.