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Topics in Subtropics
Regional newsletter for Southern California covering production information for citrus, avocado, and other subtropical crops

 

Issue Articles
2009, Vol. 7, No. 3 'Valentine' A Recently Released Anthocyaninpigmented
Pummelo Hybrid Developed at the
University of California Riverside

The University of California - Riverside Citrus
Variety Collection and Citrus Clonal Protection Program Websites Provide Information, Photographs, Fruit Quality Data and More

Water Infiltration Problems

Attention San Joaquin Valley Citrus
Growers: What Do You Plan to Do If
It Comes For You?
2009, Vol. 7, No. 2 Ag Waivers for San Diego County
Spray Adjuvants; what's in a Name?
Strategizing for Water Cutbacks
is there a Logical Method?
2009, Vol. 7, No. 1 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
2008, Vol. 6, No. 4 Dothiorella Leaf and Stem Blight Pathogens: Botryosphaeria and Fusicoccum spp.
Irrigation Stress and Early-Navel Fruit Maturity
2008, Vol. 6, No. 3 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
2008, Vol. 6, No. 1 Evaluation of Insecticides for Citrus Thrips Control, Using Blueberries as a Crop Surrogate
The Silver Mite Workgroup
Just Because Spring is a Good Time to Prune Navel Orange Doesn't Mean You Should
Brevipalpus Mites and Citrus Leprosis Virus Disease
2007, Vol. 5, No. 4 Grower Cooperators Deserve Recognition for Service to Their Industries
Citrus Leaf Miner Update
Stubborn Disease of Citrus in California
New Avocado Publication
2007, Vol. 5, No.3 Leaf Analysis; Citrus Leaf Minor Update; Are all Phosphourous Products the Same; Analyzing the Farm Business: Most common Financial Statements and Ratios
2007, Vol. 5, No. 2 Update on Lychee and Longan Field Trials and Plantings in Southern California
Loopers in Avocados-A Note from San Diego County
The 2007 Citrus Tristeza Virus Situation at the University of California Lindcove Research and Extension Center
Errata: Honey Bees in California
2007, Vol. 5, No. 1 An Introduction to the Problem of Honey Bees and Mandarins
Birds to it; Bees do it, Even Citrus with Seeds do (did) it. Part 1-The Biology Behind Seedlessness in Mandarins
Honey Bees in California
2006, Vol. 4, No. 4 Boron is High in Many Southern San Joaquin Valley Citrus Trees
Armillaria Root Rot
Soil Test Kits
Using Evapotranspiration (ETo) for Scheduling Irrigation-An Improvement on "Guessing"
Subtropical Crops Program Coverage in Riverside County
2006, Vol. 4, No. 3 The Positive Points Systems for Citrus:
What is it and Why Should a Grower Get Involved?
Getting Horseweed and Hairy Fleabane Back Under Control in Central California
A Comparison of the New "Sequoia" Fig Cultivar
A Celebration of Agricultural Research and Extension
2006, Vol. 4, No. 2 Citrus Research Growers' Seminars 2006
Dry Root Rot in Citrus
Earwigs Flying Under the Radar of Many Citrus
Pest Control Advisors
New Tools Available for Spider Mite Management
in 2006
Product Testing
2006, Vol. 4, No. 1 Liquid-Sugar Ant Bait Stations are Nearing Registration for Agriculture

Huanglongbing, Citrus Greening: Preparing For the Future

Citrus Herbicide Charts & Tables

Bear Citrus Thrips Resistance in Mind When Deciding Whether & How to Treat in 2006
2005, Vol. 3, No. 4 UC RIVERSIDE CITRUS VARIETY COLLECTION

DIAPREPES ROOT WEEVIL INFESTATIONS FOUND IN SOUTHERN CALIFORNIA A RECENT EXOTIC PEST INVASION

DIAPREPES QUARANTINE DETAILS
2005, Vol. 3, No. 3 Little Evidence to support the use of foliar applied nutrients in avocado; Web sites that can help your production; Cutoff deadline set for landowners applying for 2006 EQIP funds; Intensive training course on "How to export your food or agricultural product"; Cal/OSHA heat advisory
2005, Vol. 3, No. 2 Citrus Leafminer
Ag Waivers
Supersweet Satsumas
2005, Vol. 3, No. 1 Inside this issue:

Phosphorous Acid in Avocado Production
Should it be a Cultural Recommendation?

Emergency Farm Loans

New 24C Registration of Isopropyl Ester 2,4-D
(Alco Citrus Fix) for Fruit Size Increase of Mandarins and Mandarin Hybrids in California

Asphyxiation

Dweet Mottle Virus and Citrus Leaf Blotch Virus
2004, No. 4 Avocado Lace Bug

The First Rule of Growing Citrus in the San Joaquin Valley: Location, Location, Location

The Inland Empire Small Farm Initiative: Promoting Small Farm and Hispanic Economic Development in Riverside and San Bernardino Counties

Cellulase Production by Various Sources of Mulch
2004, No. 3 TOPICS IN THIS ISSUE:

Upcoming Meetings, Deficit Irrigation,
Topworking or Replanting-A Grower's Perspective?, Weed control options for citrus
2004, No. 2 Upcoming Meetings
Mechanical Pruning and Harvesting Olives
One, One Hundred, One Thousand
Making Sense of Soil Moisture Checking and Sensors
Think Twice Before Planting Clementine and W. Murcott Afourer Mandarins
2004, No. 1 TOPICS INCLUDE:
- Vertebrate Pests Causing Damage in Citrus
- After the Fire in the Avocado Grove - Replant or Sucker Graft?
- Compatibility/Seediness Among ClementineMandarins
- Irrigation Scheduling
- An Update of Agricultural Waivers in CA -
- Water Quality Programs for Irrigated Agriculture
- Integrating Admire Treatments for GWSS with
- Citrus IPM in the San Joaquin Valley


2003, No. 4 Quarterly newsletter on subtropical horticulture topics
2003, No. 3
2003, No. 2
2003, No. 1 This newsletter covers production of citrus, avocado and other subtropical tree fruit crops. It is written by the Farm Advisors who work with subtropical crops. It will be distributed every 3 to 4 months. The UC Farm Advisors will take turns editing it.