19 June 1998

Add a triazole

UNDER high disease pressure, triazoles are an essential component of any strobilurin fungicide mix, according to HGCA-funded work.

Although strobilurins give both disease control and direct effects on crop physiology, crop appearance is a poor guide to yield potential, says Bill Clark of ADAS Boxworth.

"Growers must get the disease control right first, especially with susceptible varieties," he stresses. "Then they can benefit from any physiological effects, such as green leaf retention." &#42