Disease
A Refresher Course on EFB Management
Leaving Eastern filbert blight-infected chippings on orchard floors is a viable alternative to burning or hauling them away and can enhance soil…
West Coast Nut Reporting
Disease
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Disease
Walnut Mold Pressure Builds as Researchers Refine Management
UC researchers are tracing when walnut mold develops and how harvest conditions affect quality. Cecilia Parsons reports on orchard practices and…
Disease
Retiring Researcher Leaves Profound Legacy on Oregon Hazelnut Industry
In 1988, when Jay Pscheidt arrived at Oregon State University, Eastern Filbert Blight (EFB) was spreading largely unchecked in Oregon hazelnut…
Almonds
Precision Timing Helps Growers Manage Hull Rot
Hull rot remains one of the more frustrating and yield-limiting diseases in California almonds, particularly because its full impact is not always…
Disease
Newly Identified Bud Rot Disease Raises Concerns for Hazelnut Growers
Thinking back, Oregon State University Extension Orchard Crop Specialist Nik Wiman believes he has been seeing symptoms of bud rot in the…
Almonds
Resistant Rootstocks Are the Best Bet When Fighting Oak Root Fungus
Resistant rootstocks are a key management tool for oak root fungus in almond orchards. This wood decay fungus, Armillaria, poses an ongoing…
Almonds
Red Leaf Blotch, Carpophilus Beetle Raise Alarm for Almond Industry
Staying ahead of pest and disease threats will require new technologies as well as grower vigilance and action.
Almonds
Prevention May Be the Answer to Wood-Rotting Fungus Spread
A healthy-appearing almond tree that suddenly snaps at its base and falls over? Blame Ganoderma adspersum, an aggressive fungal disease that causes…
Disease
Research Steps Up on New Race of Hazelnut Fungus
Ask a fungus how it evolves, and if it could answer, it would say “adaptation.” Fungi can rapidly multiply and adapt their genes to adverse…
Almonds
Red Leaf Blotch Spreads Across California Almond Orchards: What Growers Need to Know
Last year’s outbreak of red leaf blotch (RLB) disease in four northern San Joaquin Valley counties turned out to be a warning shot. UC researchers…