Your source for orchard news & information in the Sacramento Valley
Adapted from the article “Continue Watching for Aphid and Spider Mite Infestations” by Bill Krueger, UCCE Farm Advisor Emeritus, Glenn County in the August 2009 Sacramento Valley Walnut News. Aphids There are two aphid species that damage walnuts, the walnut … Continue reading
Adapted from the article “Managing Phytophthora in Walnuts” by Bill Krueger, UCCE Farm Advisor Emeritus, Glenn County and Greg Browne, USDA Research Plant Pathologist, UC Davis in the March 2010 Sacramento Valley Walnut News. Phytophthora crown and root rot is … Continue reading
Adapted from the articles “Spacing Walnuts for Optimum Light Interception and Production” by Bruce Lampinen, Walnut and Almond Specialist, UC Davis and Janine Hasey, UCCE Farm Advisor, Sutter, Yuba, Colusa Counties; and “Perspective on trends in orchard spacing, pruning and … Continue reading
Adapted from the article “Winter Irrigation During Drought” by Joseph H. Connell, UCCE Farm Advisor Emeritus, Butte County in the December 2008 Sacramento Valley Walnut News. We know that during the winter months walnuts can be hurt by either too … Continue reading
Adapted from the article “Best Management of Replant Alternative Fumigants” by Carolyn DeBuse, Former UCCE Farm Advisor, Solano, Yolo Counties and Michael McKenry, Extension Nematologist Emeritus and “Orchard removal and site preparation for walnut planting” by Joseph Connell, UCCE Farm … Continue reading
Adapted from the article “Why are some individual young walnut trees turning yellow and not growing?” by Richard Buchner and Joe Connell, UCCE Farm Advisors, Tehama and Butte Counties in the September 2010 Sacramento Valley Walnut News When an individual … Continue reading
Adapted from the articles “Building an effective orchard weed management program” by Brad Hanson, UC Cooperative Extension Specialist, UC Davis and “Planning your weed management program” by Andrew Johnson, former UCCE, Almond Board of California Intern in the Sacramento Valley … Continue reading
Adapted from the article “Tackling Last Season’s Outbreak of Almond Scab in Spring 2007 – An Update” by Joseph Connell, UC Farm Advisor, Butte Co. in the April 2007 Sacramento Valley Almond News. Almond scab is a fungal disease of … Continue reading
Adapted from the article “Alternaria leaf spot and leaf rust of almond” by Joseph Connell, UCCE Farm Advisor, Butte County, and Dr. Jim Adaskaveg, Professor, Department of Plant Pathology and Microbiology, University of California Riverside, in the July, 2013 Sacramento … Continue reading