Previous Southern Sacramento Valley ET Reports- October 2023
This report covers the CIMIS stations in Woodland, Davis, Staten Island, and Verona for April 29-June 02, 2022. Continue reading
Yearly Archives: 2023
Previous Northern Sacramento Valley ET Reports- October 2023
This report covers the CIMIS stations in Tehama County (Gerber South), Butte County (Biggs and Durham) and Colusa County (Williams). More information on using ET Reports is available here. Bookmark this page and visit weekly for the most current report. Accumulations … Continue reading
Previous Southern Sacramento Valley ET Reports- September 2023
This report covers the CIMIS stations in Woodland, Davis, Staten Island, and Verona for April 29-June 02, 2022. Continue reading
Previous Northern Sacramento Valley ET Reports- Semptember 2023
This report covers the CIMIS stations in Tehama County (Gerber South), Butte County (Biggs and Durham) and Colusa County (Williams). More information on using ET Reports is available here. Bookmark this page and visit weekly for the most current report. Accumulations … Continue reading
End of Season Northern Sacramento Valley ET Report- November 17
Irrigation Evapotranspiration (ET) Report for Tehama, Butte and Colusa county CIMIS stations. Continue reading
Current Southern Sacramento Valley ET Report- November 09
Irrigation Evapotranspiration (ET) Report for the Woodland, Davis, Staten Island, and Verona CIMIS stations. Continue reading
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.
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
Plant cover crops now to prepare for another wet winter
With weather forecasts for the upcoming winter months leaning heavily toward another wet and cold winter, the weeks immediately following harvest present the best time of the year to plant cover crops to reap their various benefits in the months ahead. Should El Niño bring heavy rainfall back to the region, any on-farm water capture that can be done should be done to keep as much water locally banked as possible. Continue reading
Introducing a Butte County Walnut Variety Trial
A ten-acre Butte County Walnut Variety Trial was planted at the Chico State Farm in May of this year through a collaboration between Chico State, UC Davis Walnut Improvement Program, and UC Cooperative Extension. This variety trial aims to identify new varieties that will perform exceptionally well in this region and will share its progress over the years. Continue reading
Minimize Potential Sudden Autumn Freeze Damage
Damage can occur with sudden autumn freeze, before trees go into dormancy. With sudden autumn freeze occurring in three of the last five years, preparations for these freeze events need to be a regular part of every walnut grower’s summer and fall orchard operations. Continue reading