FACT SHEET - BASF Versys Insecticide for Broadacre - 220607

Versys

Insecticide

FACT SHEET

Targeted Aphid Control in Canola, Wheat & Barley

Versys is a highly efficient and targeted insecticide from a new subgroup that delivers control of aphids at low use rates with low environmental impact.

Crop Registrations

Canola Wheat Barley

Pest Registrations

All aphid species, including Green Peach Aphid & Russian Wheat Aphid

Insecticide Moa Group

Group 9D (new sub-group for broadacre farming)

Application Method

By ground or air

Application Rate

50 mL/ha

Whps

Canola: DO NOT apply after the end of flowering (BBCH 69) Cereals: Do not apply after BBCH 71 (watery ripe) Grazing: 7 days

• Powerful and lasting control of aphids including Green Peach Aphid & Russian Wheat Aphid
• Fast onset of feeding cessation minimizes direct damage and the risk of virus transmission
• A new chemical subclass for broadacre cropping to help manage resistance
• Affects aphids at all life stages from eggs to adults
• Low toxicity to beneficials and pollinators
• High levels of residual control for up to 21 days
• Short withholding period

Control of Both Sides of the Leaf

[Diagram showing a leaf with Versys sprayed on top. Arrows indicate "Translaminar movement through the leaf" and "Acropetal activity moves Versys down towards the leaf tip".]

In addition to acropetal movement, Versys has translaminar movement that can help control insects sheltering on the underside of the leaf, provided the water volume is high enough to ensure thorough coverage.

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Versys

Insecticide

How and When to Use Versys in Broadacre Crops

Rates

Timing

Begin application when threshold levels are reached. Continue to monitor crops and make a subsequent application after 14 days where necessary.

For green peach aphid (GPA), damage occurs as a result of viral infection rather than feeding damage. Turnip Yellows Virus (TuYV) spread by GPA can cause yield losses of up to 50% if infection occurs prior to bolting, so early monitoring is vital with application on relatively low numbers to minimise any chance of viral infection.

For other aphid species in canola, careful monitoring for aphids at budding and early flowering will often reveal aphids amongst the buds and flowering heads prior to clustering. It may be difficult to gain coverage of all individuals once dense clusters form, so apply Versys at this earlier infestation timing to ensure optimal control and avoid feeding damage. In general, aphids should be sprayed when 20% of plants are infested with colonies of aphids.

Methods

Effective control requires thorough crop coverage. Use sufficient water volume and consider increasing water volumes in more advanced or bulky crops.

Apply Versys in COARSE spray droplets and a minimum of 100 L/ha water by ground rig and 50 L/ha by air.

Resistance Management

Versys has a Group 9D mode of action and is the only member so far of the pyropenes subgroup of insecticides. Apply a maximum of 2 Versys sprays before rotating to an insecticide from a different mode-of-action group as part of an IPM strategy. CropLife resistance management strategies are available from BASF sales representatives and at .

For more information on Versys, visit or contact your local BASF representative on

ALWAYS READ AND FOLLOW LABEL DIRECTIONS This fact sheet is intended as general advice. The information submitted in this publication is based on current BASF knowledge and experience. In view of the many factors that may affect its application, this data does not relieve the user from carrying out their own tests. The data does not imply assurance of certain properties or of suitability for a specific purpose. It is the responsibility of the user to ensure that any proprietary rights and existing laws and legislation are observed. © Copyright BASF 2022 ® Registered trademark of BASF * Registered trademark

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