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Disease
Contiguous Acres, Less Fallowing Make it Harder to Break the Disease Cycle
The plethora of tree nut acres in California agriculture is increasing disease pressure, both from soilborne pathogens that…
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Category: Disease
Disease
Almond Replant Disease, Phytophthora are Issues in Young Orchards
Whole orchard recycling (WOR) has many proven benefits to trees and orchard soils, but it doesn’t appear to…
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Disease
Dealing with Summer Foliar Diseases
Summer foliar diseases cause defoliation of the trees and over time reduction in yield. Defoliation also leaves the…
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Disease
The Persistence of Pistillate Flower Abscission
Pistillate flower abscission (PFA), a production problem largely relegated to walnut varieties that make up only a small…
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Disease
Death by a Thousand Cankers
The walnut twig beetle and the thousand cankers disease it vectors don’t appear to be the devastating pests…
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Disease
Phytophthora Issues on the Rise in Pistachios
As more pistachios are planted on marginal ground researchers are noticing an increase in Phytophthora crown and root…
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Ag Industry
Top 5 Things You Can Do Now to Improve Walnut Quality at Harvest
Depending on the California growing region, walnut harvest 2022 is at least several months down the road. Does…
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Almonds
Identifying Trunk and Scaffold Disease of Almonds
With 26 fungal species associated with canker disease, it is important for growers and farm managers to determine…
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Disease
Mite Pressure Up in Walnuts
PCAs and growers reported high mite pressure in walnuts last year, particularly in the Sacramento and northern San…
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Disease
Winter Prep in Walnuts
December and January provide ideal opportunities for walnut growers to get a head start on weed and disease…
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