Optill


Optill ® herbicide tank-mixed with glyphosate, provides rapid burndown plus early season residual control for cleaner fields in glyphosate-tolerant soybeans.

  • Powered by Kixor ® , for a fast, complete burndown.
  • Residual activity keeps fields weed-free during early crop development.
  • Multiple modes of action, to help prevent and manage resistant weeds.

How it works

  • The better weed control of Optill plus glyphosate has been shown to increase soybean yield by 2 to 3 bushels per acre, compared to using glyphosate alone.
  • Optill uses Group 14 and Group 2 active ingredients that complement glyphosate to provide a faster, more complete burndown than glyphosate alone.
  • The residual power in Optill is effective into early crop development allowing increased time and flexibility to apply a second, in-crop application of glyphosate.

When to apply

Crop Timing
Soybeans pre-plant surface application
pre-emergence

How much to apply

One case will treat 120 acres. Optill is tank mixed with glyphosate for application at the following rates:

Timing Application Rates
Early Pre-plant Optill herbicide + glyphosate* 60 g/ac (147 g/ha)
Water volume 40-80 L/ac (100-200 L/ha)
Merge adjuvant** 0.40 L/ac (1 L/ha)

* See glyphosate label for application rates.
**Addition of Merge adjuvant (not included) is required for optimum activity.

Application tips

  • Flat fan or similar spray nozzles should be used for application
  • Water Volume should be between 40-80 L/ac (100 to 200 L/ha)
  • Denser weed infestation requires the use of higher water volumes
  • Recommended pressure is 275 kPa
  • Rainfastness – 3 hours after application
  • Residual pre-plant applications of Optill must be activated by at least ½ inch of rainfall or sprinkler irrigation prior to weed seedling emergence

Weeds controlled

Tank-mixed with glyphosate, Optill complements control of all weeds on the glyphosate label in addition to the following weeds.

Broadleaf weeds Broadleaf plantain Perennial sow thistle 3,8
Canada fleabane 6 Prickly lettuce 7
Common chickweed Redroot pigweed 1,2
Common ragweed 1,2 Shepherd’s purse
Dandelion 5 Stinkweed 3
Giant ragweed 3,6 Wild buckwheat 3
Lady’s thumb 3 Wild mustard 3
Lamb’s quarters 1,2
Grasses Barnyard grass 4 Foxtail (green, yellow) 1,4
Crabgrass (large) 4

1 Adequate residual control may not be achieved on Group 2-resistant biotypes.
2 Includes control of triazine-resistant biotypes
3 Burndown only
4 Burndown and residual suppression only
5 Suppression only
6 Includes control of glyphosate-resistant biotypes.
7 Top growth only.
8 Top growth burndown only.

Follow crops

Following an application of Optill, the crops listed can be planted in the season indicated.

Same Season (in case of crop failure 1 ) Soybeans, Winter wheat 2
Next Season

Barley (spring), Corn (field), Dry beans, Soybeans,

Wheat (spring, winter)

1 A second application of Optill cannot be made in the rescue crop.

2 Winter wheat may be re-planted in cases of crop failure or as a rotational crop 100 days following an Optill application. Soil preparation for re-planting should be no deeper than 10 cm.

Product specifications


Size (units x size): 6 x 1.19 kg
Product Article #: 59012890
PCP #: 30756
Ontario Classification #: 2
Gross Weight of Package: 9.4 kgs
Units/Pallet: 18
PTS - T/L (48 foot): 24
Warehouse Stack Height: 2
Heated Storage: no
Flash Point: N/A
NFC Class: N/A
TDG Information: Not TDG regulated

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