wheat ears at flowering stage



Vareon® is a unique cereal fungicide which combines the complementary activity of two triazoles with proquinazid, to assist the control of a wide range of diseases in wheat, barley and oats.


For more info call our Technical hotline:  0800 689 8899 or e-mail: ukhotline@corteva.com

About Vareon®


  • Barley
  • Oat
  • Wheat

Technical Specifications

An emulsifiable concentrate containing 320 g/l prochloraz, 40 g/l proquinazid and 160 g/l tebuconazole.

Recommended crop(s):
Winter wheat, spring wheat, winter and spring barley, winter and spring oats.

Target diseases:
Wheat:- Eyespot, Septoria spp, powdery mildew, yellow and brown rusts, septoria leaf blotch (moderate control), glume blotch (moderate control), ear disease complex* (reduction only)
Barley:- Rhynchosporium (moderate control), net blotch (moderate control), brown rust, yellow rust, powdery mildew, eyespot.
Oats:- Crown rust (qualified minor use recommendation), powdery mildew.
* The ear disease complex refers to Fusarium, Alternaria and Cladosporium.

Use rate:
Cereals: 1.25/ha.

Water volume and spray quality:
Apply in a minimum of 200 l/ha as a MEDIUM spray quality.

LERAP information:
Category B – 5m buffer zone, which can be reduced depending on dose rate, width of watercourse, sprayer type or 1m zone if ditch is dry. Avoid spraying within 5m of the field boundary to reduce effects on non-target insects or other arthropods.

Rainfall within 2 hours of application may reduce the effectiveness of the treatment.

Limit to number of applications and dose rate
Wheat, barley and oats :- 2 applications per crop.
Maximum individual dose :- 1.25 l/ha.

Harvest interval
Wheat (winter and spring) – GS65 (before full flowering).
Barley and Oats (winter and spring) – GS49 (before beginning of heading).

5 litre pack.

Area treated per pack:
4 hectares.

MAPP No. 14376

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