Your source for orchard news & information in the Sacramento Valley
University of California Sacramento Valley Integrated Pest Management Update Report date: July 6, 2018 The most current report is available here. Disclaimer: These updates are provided as reference information for Sacramento Valley orchard pest and natural enemy activity. They are … Continue reading
University of California Sacramento Valley Integrated Pest Management Update Report date: June 28, 2018 The most current report is available here. Disclaimer: These updates are provided as reference information for Sacramento Valley orchard pest and natural enemy activity. They are … Continue reading
Prune growers should be aware that current weather conditions favor development of blue prune and an associated leaf scorch. Continue reading
Hull rot infections can cost growers a lot of money; money in lost crop this year, money in more sanitation costs this winter, and money in lost spurs and shoots for future crops. There are two disease organisms responsible for hull rot damage. The first is Monilinia (brown rot), which infects the hull just prior to hull split in early to mid-June. Continue reading
University of California Sacramento Valley Integrated Pest Management Update Report date: June 9, 2018 The most current report is available here. Disclaimer: These updates are provided as reference information for Sacramento Valley orchard pest and natural enemy activity. They are … Continue reading
University of California Sacramento Valley Integrated Pest Management Update Report date: May 25, 2018 The most current report is available here. Disclaimer: These updates are provided as reference information for Sacramento Valley orchard pest and natural enemy activity. They are … Continue reading
The Paradox hybrids (Juglans hindsii x Juglans regia) commonly used as walnut rootstocks are highly susceptible to Crown Gall caused by the common soil-borne bacterium Agrobacterium tumefaciens. Here we present information from our quest to develop a robust comprehensive approach to crown gall prevention. Continue reading
Can you identify an ant by its mound? Of course, it’s better to base IDs off of the ant specimen itself, but for the more entomophobic among you, ant mound ID may sound like a fantastic alternative. Continue reading
Irrigation Evapotranspiration (ET) Report for Tehama, Butte and Colusa county CIMIS stations. Continue reading
Irrigation Evapotranspiration (ET) Report for Tehama, Butte and Colusa county CIMIS stations. Continue reading
Recent research has shown we may have a new tool to protect trees and vines from vole damage. However, this product is not currently registered for such a use. We need your response to know whether there’s enough interest in a new way to control vole damage to warrant seeking registration. Continue reading
Training young walnut trees occurs in the first 1-6 years in the life of an orchard. Traditionally it has been done using a modified central leader with a minimum pruning style. Research conducted since 2004 investigating pruning versus non-pruning on young walnut tree growth and productivity has challenged that paradigm. Continue reading
2017 brought us unprecedented high and fluctuating water flows in the Sacramento and Feather Rivers, damaging orchards from direct flooding and indirectly via under-levee seepage. Many trees had a long exposure to waterlogged conditions through the winter and spring. This article discusses strategies for minimizing losses in 2018 in flood-impacted orchards. Continue reading
2017 brought us unprecedented high and fluctuating water flows in the Sacramento and Feather Rivers, damaging orchards from direct flooding and indirectly via under-levee seepage. Many trees had a long exposure to waterlogged conditions through the winter and spring. This article details our observations and research on tree survival, disease, and recovery. Continue reading
Growers are faced with an ever-changing list of commercial “tools”, each with the promise of providing some advantage to the farmer. With the large number of new products available, and the number of salespeople promoting them, it is often difficult for growers to distinguish between products likely to provide real benefit, and those that may actually reduce the profitability of the farm. When approached with a new product or technology it is obligatory to challenge claims with the following questions: Continue reading