Current Northern Sacramento Valley ET Report- September 29
Irrigation Evapotranspiration (ET) Report for Tehama, Butte and Colusa county CIMIS stations. Continue reading
Author Archives: Sacramento Valley Orchards
Current Southern Sacramento Valley ET Report- September 29
Irrigation Evapotranspiration (ET) Report for the Woodland, Davis, Staten Island, and Verona CIMIS stations. Continue reading
Update on Regional Almond Variety Trials – results through 2022
With funding provided by the Almond Board of California, through assessments paid by almond growers, the University of California has conducted regional field trials in the major almond growing areas of the Central Valley for over 50 years. Read more for an update on Regional Almond Variety Trials Continue reading
Navel Orangeworm Biofix in a Wet Spring
The extremely wet winter this year has likely helped growers to kill more overwintering navel orangeworms (NOW) than in warmer and dryer winter years. However, a wet, cold winter will not kill all NOW, and being complacent might result in a bad NOW year. Continue reading
Strategies for orchard weed management hard economic situations
Reducing weed control in orchards during difficult economic times is possible but comes with some tradeoffs. It’s useful to step back and remember why we’re controlling weeds in the orchard in the first place. Continue reading
Prioritizing Sprays When You Can’t Afford Them All
Determining the priority for pesticide sprays for insect pests is challenging. Integrated pest management uses cost/benefit analysis to guide growers and farm managers in making pest control decisions. Continue reading
Flooding and Almond Tree Survival
An excerpt from The Almond Doctor on a tree’s response to flooding. Continue reading
February Prune Orchard Management Considerations
Clarissa Reyes, North Sacramento Valley Orchard System Staff Research Associate Bees: Order bees, usually a 1 hive/acre stocking rate. Employ best management practices for maintaining hive health. Before making fungicide application, check for bees nearby using the ‘Bee Check’ tool … Continue reading
In-season-& Post-harvest Management of Navel Orangeworm (NOW)
Navel orangeworm is a pest remaining on most nut growers’ and pest control advisors’ minds regardless of the time of the year. Implementing in-season and post-harvest management strategies can minimize current and future navel orangeworm damage to an orchard. Continue reading
Pre-harvest Management of Brown Rot
High humidity, high temperatures and tightly clustered fruit create the perfect environment for brown rot. Brown rot treatment sprays, where deemed necessary based on current season observations and block history, should begin 4-6 weeks before harvest and are only useful on uninjured fruit. Continue reading
Insecticide Options for Navel Orangeworm IPM in Almonds—A Recent Trial Summary
Commonly used IPM practices should be combined with insecticides to achieve the best results. In the 2020/2021 seasons, we evaluated the efficacies of multiple insecticides against NOW using the previous season nut (i.e., mummy nut) strands as substrate. Continue reading
Previous Northern Sacramento Valley ET Reports- April 2022
This report covers the CIMIS stations in Woodland, Davis, Staten Island, and Verona for June 02- June 30, 2022. Continue reading
Previous Northern Sacramento Valley ET Reports- June 2022
This report covers the CIMIS stations in Woodland, Davis, Staten Island, and Verona for June 02- June 30, 2022. Continue reading
Previous Southern Sacramento Valley ET Reports- June 2022
This report covers the CIMIS stations in Woodland, Davis, Staten Island, and Verona for June 02- June 30, 2022. Continue reading
Protecting Sacramento Valley Waterways from Pyrethroid Exceedances
As farmers have reduced their reliance on organophosphate insecticides for pest control, there has been a shift to other control tactics. Most challenging for the topic of watersheds has been a shift towards increased use of pyrethroids. In general, the amounts found are low, nevertheless, cases of exceedances do occur, and these cases need to be eliminated. Continue reading