Karibu 50, z.p.

Technical insights into triflusulfuron-methyl

«Karibu 50, w.p.» is a selective systemic herbicide specifically engineered for sugar beet cultivation. The active ingredient, triflusulfuron-methyl, belongs to the sulfonylurea class. It functions by inhibiting the acetolactate synthase (ALS) enzyme, which is vital for amino acid synthesis in plants. By interrupting cell division at growing points, the herbicide ensures rapid control of weeds. The product’s high selectivity is predicated on the sugar beet's ability to rapidly metabolize the compound, rendering it harmless to the crop while remaining toxic to targeted weeds.

Mechanism of action and spectrum

As a wettable powder, the formulation is optimized for thorough leaf absorption. Once absorbed, it is translocated systematically throughout the weed's vascular system, ensuring full mortality. This post-emergence product is particularly effective against stubborn broad-leaved weeds, including common lambsquarters (Chenopodium album), redroot pigweed (Amaranthus retroflexus), shepherd's purse (Capsella bursa-pastoris), common chickweed (Stellaria media), purple dead-nettle (Lamium purpureum), and pale persicaria (Persicaria lapathifolia).

Operational efficiency

Produced by DuPont de Nemours (France) and DuPont Crop Protection (USA), this product is designed for precise, staged application. The recommended dose is between 0.03 and 0.06 kg per hectare. With the capability for up to three applications per season, growers can effectively manage successive germination flushes of weeds. This strategic versatility allows for crop safety in the early, highly vulnerable stages of growth, ensuring that the sugar beet crop is never resource-starved due to weed competition.