Crop Science at Bayer - NEW ZEALAND

Delivering Agricultural Innovations for Modern Farming

Bayer Crop Science is a leading provider of crop protection products and solutions to the agricultural and horticultural industries. We are committed to work with growers, seed companies, distributors and the wider agricultural industry to bring further innovative crop protection solutions to the New Zealand market.

Crop Protection

Protect your field with our suite of cutting-edge crop protection solutions.

Fungicides

Protect cereals, pulses, fruit, vegetables, or fibre from disease with proven fungicides that support quality, yield, and give you season-long confidence.

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Herbicides

Weeds can impact yields and crop quality, no matter what crop you grow. To help keep on top of weeds, our range of herbicides deliver you in-season or pre-emergent control across grass and broadleaf weeds.

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Insecticides

Pressure from insects feeding on your crop can derail a season fast. Our range of insecticides combines the exciting chemistry and excellent levels of control while having very little impact on beneficials, with products that have been standard inclusions in many spray rotations for years.

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Biologicals

From the bottom up and the top down, BIOLOGICALS by Bayer help protect and support your crops. Delivering class leading biofungicides to control key diseases, as well as unlocking soil microbiology to support productivity, resilience, and sustainability in today’s evolving ag systems.

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SeedGrowth

Seed treatments protect your crops from day one by safeguarding young plants when they’re most at risk.

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Browse by Crop

Arable

The most common arable crops grown in New Zealand include wheat, barley, forage cereals, ryegrass seed crops, brassica seed crops and peas. Bayer Crop Science offers a range of herbicides, fungicides, insecticides and seed treatments which are used to ensure that these crops reach their maximum yield potential.

Forage

The most common forage crops grown in New Zealand include fodder beet, forage brassicas, forage cereals, maize and pasture. Bayer Crop Science offers a range of herbicides, fungicides, insecticides and seed treatments which are used to ensure that these crops reach their maximum yield potential.

Fruit & Vines

The most common fruit and vine crops grown in New Zealand include apples & pears, citrus, grapes, kiwifruit and stone fruit. Bayer Crop Science offers a range of herbicides, fungicides and insecticides which are used to ensure that these crops reach their maximum yield potential.

Vegetables

The most common vegetable crops grown in New Zealand include onions, potatoes, carrots and tomatoes. Bayer Crop Science offer a range of herbicides, fungicides, insecticides and seed treatments which are used to ensure that these crops reach their maximum yield potential.

Featured Resources

ARTICLESIVANTO prime – now with an extended application window

In spring 2025 Bayer introduced SIVANTO prime in New Zealand for the control of the key establishment pests of forage brassicas and fodder beet.

SIVANTO prime now registered for pre-emergence use

ARTICLEVayego now approved to control Apple Leaf Curling Midge, Leaf Roller and Garden Weevil

Already a trusted solution for controlling codling moth, leafroller and bronze beetle in Pipfruit, we are thrilled to announce that Vayego 200SC insecticide has recently been granted a label extension.

ARTICLELet CONVISO ONE make your life simpler

New Zealand dairy farmers are enjoying great returns at the moment and so quality feed is in demand. Fodder beet offers an attractive forage option for dairy farms, delivering high yields of quality, energy rich feed.

CONVISO ONE weeds at the correct growth stage

ARTICLESerenade Optimum – Getting the best in Apples & Pears for Fire blight

Fire blight, caused by the bacterium Erwinia amylovora, is a destructive disease affecting apples and pears. It manifests as blackened, dead shoots and leaves, resembling fire damage, and can eventually kill the tree. There's no cure, but preventative measures and careful management can help control its spread.