A large field of growing eggplants

Active ingredients of Cedroz™ post-planting bionematicide

Cedroz is a nature-identical, terpene-based soil care solution developed to help growers combat nematodes.

What are terpenes?

Widespread in nature, terpenes are primary constituents in the essential oils of many plants and flowers, giving them their characteristic aroma or odor. A naturally occurring hydrocarbon, terpenes represent the largest class of secondary metabolites.

What do terpenes do?

Aside from adding to the aroma and taste of certain plants, terpenes regulate their interactions with the environment and are produced as a natural defense against parasites, predators, abiotic stresses and mechanical injuries. They also help plants attract pollinators. Thousands of terpenes exist in nature. Common fruit, vegetables, spices and herbs that contain natural terpenes include cinnamon, blueberries, tea, thyme, grapes and carrots.

How are terpenes classified?

Terpenes, also called isoprenoids, are characterized by the presence of a basic structure made of isoprene molecules, each containing five carbon atoms (C5H8 2-methyl-1,3-butadiene).

Cedroz terpenes formula

Table 1. Terpenes categorized by isoprene units and carbon atoms

Name Isoprene units Carbon atoms
Monoterpenes 2 10
Sesquiterpene 3 15
Diterpenes 4 20
Sesterterpenes 5 25
Triterpenes 6 30
Tetraterpenes 8 40


Which category of terpenes is Cedroz based on?

Cedroz is a suspension of capsules in aqueous solution (CS) containing a mixture of two monoterpenes: thymol and geraniol.

Close-up of growing blueberries
Cedroz Thymol figure
Cedroz Geraniol figure

These two active compounds together have a synergistic mode of action that increases their efficacy in treated soil. Eden Research plc created the Cedroz formulation as an environmentally favorable method to manage plant parasitic nematodes.

Eastman has since developed this sustainable, nature-identical nematicide and has proven, via in-field trials, effective performance against root-knot nematode attack. Cedroz helps growers achieve high-quality products and high yields.


Have terpenes been approved for use in organic farming?

The terpenes geraniol and thymol have been approved by the EU Commission for use in organic farming in the EU, so Cedroz can now be added to the toolbox for organic farmers looking for a solution against nematodes.

Yellow and orange bell peppers growing on vines

Mode of action

Cedroz inactivates cellular membranes of root-knot nematodes through different mechanisms.

Explore now

Scientific results

Cedroz post-planting bionematicide, has been tested in various scientific studies and trials, demonstrating its effectiveness against root-knot nematodes.

Learn more
Small green cucumbers growing on vines
Ripe tomatoes growing on vines next to a bucket of picked tomatoes in a greenhouse

Innovative delivery

The unique formulation technology of Cedroz ensures strategic and effective delivery to combat root-knot nematodes. Discover the mechanism of product release for optimal results.

Learn more

Let’s help your crops thrive.

Contact us

Certain statements may not be applicable in all geographical regions. Product labeling and associated claims may differ based on government requirements.