California Root Health

Mealybug and Nematode Management in Wine Grapes


Managing the Asian citrus psyllid (ACP) and Huanglongbing (HLB) in California citrus trees

Maintaining Healthy Roots

Not all risks to yield are easy to spot — some exist below the surface. Root health is essential to overall crop health. Without it, plants are more susceptible to stress factors, such as cold spells, drought and disease.

Nematodes, though small, are one of the major challenges to the root health of California tree nuts and grape vines. These tiny roundworms feed on plants’ roots, limiting their ability to take in vital nutrients and drastically reducing yield and vigor.

To stop nematodes in California grapes and tree nuts, growers must stay vigilant. Even with good pre-plant practices, such as proper sanitation and fumigation, nematodes can build up in the soil year-round. But vigilant monitoring and cultural practices — paired with crop protection products — can protect tree nuts and grape vines, ensuring healthy crops and strong productivity.



Protecting almond orchards from nematodesProtecting Almond Orchards from Nematodes

Nematologist Mike McKenry explains how rootstock choice, soils and treatment plans affect the impact of these damaging pests.

» Watch the webinar




Preventing nematodes in tree nuts

Suppressing Nematodes in Tree Nuts

Good orchard management limits nematode growth in high-value walnut and almond trees.

» Find solutions for control



Fight nematodes and boost yield with Movento®

Growers Boost Yield and Vigor with Movento®

Fighting nematodes after perennial crops are planted is a challenge, but Movento provides growers with a research-backed solution.

» See how Movento works



Guide to nematode management in grapes

Nematode Management Guides

These University of California publications describe best practices for managing nematodes.

» Grapes
» Almonds
» Pistachios
» Walnuts





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