Canker Management After Pruning/Hedging: Spray Now or Pay Later.
A chronic disease like Cytospora canker is a leading killer of prune orchards. Practices that promote its spread start early in life, and spray timing is key.
Monthly Archives: October 2023
New UC ANR Website for Cover Cropping Information Resources
A new website features brand new cover cropping information resources and a searchable Expert Grower database for cover cropping practices in California orchards and vineyards. These resources provide detailed information on practical strategies for implementing cover crops and addressing common challenges. Continue reading
2023 brown apical necrosis (BAN) and late-season walnut blight
Nut samples were collected by UCCE advisors and analyzed and confirmed for BAN (brown apical necrosis) and walnut blight. If you observed BAN or walnut blight symptoms in your orchards this year, be aware that inoculum can remain for next year. BAN can lead to mold and reduce nut quality and yield, and walnut blight can reduce yield as infected nuts prematurely abort. Continue reading
Wet winter concerns: Phytophthora and waterlogging
Excessive water, caused by rain, flooding, or even overirrigation, is a challenge for orchards and can cause two very different problems: waterlogging and Phytophthora infection. Given that we had bountiful rain this winter and orchards with standing water were common, continuous monitoring and collaboration with your PCA or farm advisor will be increasingly valuable. Continue reading
“Field Visit: Nematode Management in Walnut” was held in Escalon, CA
Establishing a new walnut orchard is a long-term investment that requires detailed planning to enable 35 to 40 years of bountiful and sustainable production. RLN is estimated to be present in 85% of California walnut orchard soils. Read to learn more. Continue reading
Bacterial blast/canker: What do we know?
Bacterial canker/blast infections are most damaging, and potentially lethal, in stressed trees. Currently, there are limited control options for bacterial canker/blast in almonds. Read about factors influencing management practices and decisions. Continue reading