Dow Shield 400 approved for field allium crops

The herbicide Dow Shield 400 (active ingredient clopyralid) has been granted an Extension of Authorisation for Minor Use (EAMU) for use in outdoor leeks and outdoor salad onions.

Leek field - image: Frédérique Voisin-Demery
Leek field - image: Frédérique Voisin-Demery

It controls creeping thistles, volunteer potatoes and a range of annual broad-leaved weeds, and already has several other EAMUs, including for bulb onions and several brassicas.

With a maximum individual dose of 350 ml/ha and a maximum total individual dose of 525 ml/ha, it can be used from 1 March to 31 August.

Dow has said the 400 g/l formulation, up from 200 g/l, combined with a self-sealing pack with no induction seal, makes application quicker and more efficient.


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