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Safety - page 25 • First aid - page 33 • Resistance management - page 41
Herbicides
Optica Trio
Group 4
Formulation
Product
Company
Active ingredient
Formulation
Container size
Optica Trio (PCP# 29662)
Nufarm UK Ltd
Distributed by UAP
Canada
MCPA, 160 g/L
Dichlorprop-P, 310 g/L
Mecoprop-P, 130 g/L
Solution
2
x 10
20 - 40
acres treated per case.
Crops and Staging
Crop
Staging
Wheat (spring, durum)
Oats
Barley
Winter wheat
2 - 5
leaf stage for all crops
For winter wheat, apply in spring before the crop is more than
30
cm in height leaf extended
Note
:
Application made later than the recommended timing may result in shortening of the straw (particularly under stress conditions)
Weeds, Rates and Staging
Weeds
Rate
stinkweed, wild mustard, lambs quarters, volunteer canola
0.5
litres per acre
pigweed (redroot), common chickweed, kochia, common ragweed, wild buckwheat 0.5 - 1 litres per acre
cleavers - spray in 1 - 2 whorl stage
0.75 - 1
litres per acre
Canada thistle - top growth only
1
litre per acre
Registered Tank Mixes
Optica Trio can be tank mixed with Ladder 240 EC, Horizon 240 EC or Signal and Everest Solupak 70 DF for wild
oat and green foxtail control in wheat only. Do not use these tank mixes on barley or oats.
Application Information
Use 20 - 80 litres of water per acre with ground sprayers. Do not apply by air.
Application Tips
Fill tank ½ full and add tank mix partner if applicable, then fill tank ¾ full and add Optica Trio herbicide. Maintain
gentle agitation while mixing and spraying in the field.
How it Works
Optica Trio is a systemic, post emergence selective herbicide.
Expected Results
Weeds will start to twist shortly after application. Plant growth stops and plants turn brown and die.
Restrictions
Do not permit lactating dairy animals to graze treated fields within 7 days of application. Withdraw meat animals
from treated fields at least 3 days before slaughter. Do not harvest forage or cut for hay with 7 days of application.
Minimum plant-back interval of 30 days.
Rainfall
:
Optica Trio is rainfast once allowed to dry on leaves. Do not apply if rain is expected within the hour.
Re-cropping
:
No cropping restrictions for Optica Trio applied alone for the following crop year.