11 September 1998

Trifluralin caution

AVOID using trifluralin herbicide before sowing winter linseed, urges Dow Agrosciences.

Although still fully endorsed on spring varieties, pre-drilling incorporation of trifluralin can reduce the vigour of current winter types, explains the firms Andy Bailey. Post-drilling surface application within two days of sowing is safer and offers good weed control, but despite full PSD approval cannot yet be fully backed, he notes. &#42