University of California

Topics in Subtropics

News from the Subtropical Tree Crop Farm Advisors in California

Issue Articles Type Date Added
Volume 13 No. 3 Fall 2015 (786KB)
  • Predicting Water Demand Along the Coast Versus in the Valley
  • Avocado Farm Families Still Healing, More Than a Decade Later: What Lessons Have We Learned About Fire Readiness and Prevention?
  • Olive Oil Chemistry - Let's Talk About Quality


  • Breakfast IPM Meeting: Citrus IPM and Chlorpyrifos Regulatory Update
  • Macadamia Association Annual Field Day


PDF 9/9/15
Volume 13 No. 2 Summer 2015 (1,101KB)
  • Did a newly introduced fukumoto navel budline from Spain perform better than the California budline in the San Joaquin Valley?
  • What values should olive growers use for estimating crop nitrogen removal at harvest?
  • UC Davis Olive Center: UC mastering milling certificate course
PDF 6/24/15
Volume 13 No.1 February-April, 2015 (782KB)
  • Polyphagous shot hole borer (PSHB) update for avocado growers
  • Weed Management in Citrus
  • UC Davis Olive Center: Sensory Evaluation of Olive Oil Certificate Courses
  • Water Terminology
  • Olive Quick Decline in Italy is associated with unique strain of Xylella fastidiosa
PDF 3/31/15
Vol. 12 No. 3 (September-December 2014) (1,181KB)
  • The Clegg Collection: A Valuable Resource
  • Impacts of the recent drought conditions on Central Coast avocado production, and potential impacts of continued drought conditions
  • Zinc and Phosphorus
  • Recent findings on polyphagous shot hole borer/Fusarium dieback on avocado
PDF 12/10/14
Vol 10 No 2 (Summer 2012) (1,191KB)
  • Simazine Degradation in CA Citrus Orchards
  • Lime-induced Iron Chlorosis
  • Avocado Trunk Cankers
  • Asphyxiation
  • Tree Wraps
  • Stem and Leaf Blight
PDF 10/3/12
Vol. 10 No. 1 (January - March 2012) (1,307KB)
  • Quarantine for Huanglongbing Declared in Hacienda Heights Section of Los Angeles County
  • An Outline of Management Options for HLB in Florida
  • Avocado Farming with High Priced Water
  • Soil Moisture Sensors 
PDF 5/16/12
Vol. 9 No. 2 (Winter 2011) (1,553KB)
  • Vertebrate Damage
  • Chemical Thinning of Olives
  • Tips on Producing the Earliest Early Citrus in the San Joaquin Valley
  • Herbicide Registration Chart
  • Resource and Market Information for Enterprise Selection
PDF 1/11/12
Vol. 9 No. 1, March - June 2011 (512KB)
  • Organic Herbicides: Do They Work?
  • Snake Oil: Horticultural Myths and Legends
  • Success Story Before There is a Problem
PDF 11/4/11
Vol. 8 No. 2, May 2010
  • NRCS Announces Initiative to Improve Agricultural Energy Efficiency
  • Periwinkle Provides Ammunition in the War on Citrus Plague
  • Do We Really Need Scientific Irrigation Scheduling?
  • Farmers Should Make a Skin Check a Priority
  • Feeding Habits of California Ground Squirrels and their Role in Management
  • Squirrel Calendar - English
  • Squirrel Calendar - Spanish
Volume 8, No. 1 December - March 2010 .
  • Microirrigation, Fertilizers and Clogging
  • Chemical Treatment to Prevent System Clogging
  • Cultural Practices to Reduce Pest and Disease in Avocado and Citrus
  • Laruel Wilt Update
  • The Parent Washington Navel Orange Tree (part 2) - Its Decline and Recovery
Volume 7, No.3 July-September 2009
  • 'Valentine,' A Recently Released Anthocyanin-pigmented Pummelo Hybrid Developed at the University of California Riverside
  • A Sabbatical Message from Gary Bender
  • The University of California-Riverside Citrus Variety Collection and Citrus Clonal Protection Program Websites Provide Information, Photographs, Fruid Quality Data and More
  • Water Infiltration Problems
  • Attention San Joaquin Valley Citrus Growers: What Do You Plan to Do If It Comes for You?
Volume 7, No.2 April-June 2009
  • Ag Waivers for San Diego County
  • Spray Adjuvants; what’s in a Name?
  • Strategizing for Water Cutbacks - Is there a Logical Method?
Volume 7, No.1 Spring 2009
  • Avocado Research in Ventura County
  • Laurel Wilt Disease Conference and Tour in Florida and Georgia
  • Managing Insecticide Resistance will be Key to the Future of Effective Citrus Pest Management
  • Smart Sprayers Make Sense
  • Notice to All Subscribers
Volume 6, No. 4 Fall 2008
  • Dothiorella Leaf and Stem Blight
  • Irrigation Stress and Early-Navel Fruit Maturity
  • Notice to All Growers
Volume 6 No. 3 Summer 2008
  • New Registration for the Biocontrol Plantshield HC Against Hyphoderma Gummosis of Citrus
  • Atmometers for Irrigation Management
  • Asian Citrus Psyllid has Arrived in San Diego County
Volume 6 No. 1 Spring 2008 PDF  
October - December 2007 PDF  
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