Your source for orchard news & information in the Sacramento Valley
Adapted from the article “Pacific spider mite control at hull split in almonds” by David Haviland, Entomology Farm Advisor, UC Cooperative Extension, Kern Co. in the April 2010 Sacramento Valley Almond News. Hull split is one of the most critical … Continue reading
July 29th ET Report for the Gerber South, Durham, and Colusa CIMIS stations.
**NEW** By request, cling peach ET is now being reported! Continue reading
July 29th, 2016 ET Report for the Woodland, Davis, Dixon, and Verona CIMIS stations. Continue reading
While the disease bacterial spot has been identified in California since 2013, it was previously known only to occur in the northern San Joaquin Valley and as far north as Arbuckle. However, I was recently called out to a symptomatic orchard in Butte county and confirmed that bacterial spot was present. Continue reading
Olive Fruit Fly Populations for Glenn & Tehama Counties Continue reading
Tehama County Insect Pest Update for July 25, 2016. Continue reading
A good understanding of the soil variability patterns is essential to optimally design and install a zone irrigation system. Rapid, non-intrusive methods of measuring soil electrical conductivity combined with global positioning systems (GPS) are used to map the soil variability patterns and provide waypoints to guide the design and installation. Continue reading
July 22nd, 2016 ET Report for the Woodland, Davis, Dixon, and Verona CIMIS stations. Continue reading
July 22nd ET Report for the Gerber South, Durham, and Colusa CIMIS stations. Continue reading
Adapted from “Pruning and training young almond trees” and “Tying Young Trees” by Joe Connell, UC Farm Advisor, Butte County in the Sacramento Valley Almond News, January 2012 and April 2013, respectively. The more you prune a tree the lower … Continue reading
Variable soils contribute to irregular patterns of crop water stress and in turn more variable crop development and pest problems over the course of a season. One concept to irrigating highly variable soils that is gaining some adoption is zone irrigation. Zone irrigation is being used in some orchard settings in the Sacramento Valley where changes in topography are gradual and variability in soil profile depth, texture, structure, and water-holding capacity exists. Continue reading
Olive Fruit Fly Populations for Glenn & Tehama Counties Continue reading
Adapted from the article “Implementing frost protection” by Joe Connell, UC Farm Advisor, Butte County, in the February 2011 Sacramento Valley Almond News. Frost Protection Mild, radiation frosts occur on still, clear nights, usually with the development of a strong … Continue reading
Tehama County Insect Pest Update for July 18, 2016. Continue reading
Earlier this spring, oil olives with severe defoliation in San Joaquin county were sent in for diagnosis by UC Plant Pathologist Florent Trouillas. He has isolated a putative pathogen, Neofabraea species. In addition to defoliation, leaf lesions and elongate twig lesions were also associated with this fungus. Here is a list of what we know and don’t know about this disease. Continue reading