Proceedings of the

California Avocado Research Symposium 2006

November 4, 2006

University of California, Riverside

SPONSORED BY THE CALIFORNIA AVOCADO COMMMISSION

Edited by: Guy Witney

Director of Industry Affairs

California Avocado Commission

38 Discovery, Suite 150, Irvine, California 92618

gwitney@avocado.org

Please do not reproduce without the permission of the author

Art Schroeder Memorial Award: Joseph Morse
ORAL PRESENTATIONS
Evaluation of Systemic Chemicals for Avocado Thrips and Avocado Lace Bug Management Joseph Morse, Frank Byrne, Nick Toscano, Alan Urena, Lindsay Robinson, Eduardo Humeres  – University of California, Riverside
Avocado Tree Physiology – Understanding the Basis of Productivity Robert Heath, M. L Arpaia- University of California, Riverside M. V. Mickelbart- Department of Horticulture & Landscape Architecture, Purdue University, West Lafayette, IN
The Road from the Grove to the Consumer Mary Lu Arpaia – University of California, Riverside
Diaprepes Root Weevil Kris Godfrey – California Department of Food and Agriculture, Biological Control Program, Sacramento, CA
PROCEEDINGS TABLE OF CONTENTS
	Paper	Poster
A. PESTS
Biology and Management of Avocado Lace Bug (ALB) in California Mark Hoddle, Joseph Morse, Richard Stouthamer, Eduardo Humeres, Frank Byrne, Nick Toscano, Serguei Triapitsyn – University of California, Riverside David Kellum, Ha Dang, Linda Feeley - San Diego Co. Ag. Commissioner's Office Gary Bender- UC Cooperative Extension, San Diego County William Roltsch, Robert Dowell – CA Department of Food and Agriculture Guy Witney – California Avocado Commission	1	POSTER
Neohydatothrips burungae (Thysanoptera: Thripidae) Phenology & Survey Mark Hoddle - University of California, Riverside Tom Roberts - Integrated Consulting Entomology David Machlitt - Consulting Entomology Services Rick Shade, Frank Alegria, Nile Peterson – Calavo Scott Scarbrough - Mission Produce Gary Bender- UC Cooperative Extension, San Diego County	12
Biology, Management, and Resistance Monitoring of Avocado Thrips and Persea Mite Joseph Morse, Anthony Urena and Lindsay Robinson - University of California, Riverside	16
Evaluation of Systemic Chemicals for Avocado Thrips & Avocado Lace Bug Management Joseph Morse, Frank Byrne, Nick Toscano, Alan Urena, Eduardo Humeres, Lindsay Robinson, Mary Lu Arpaia, Loretta Bates – University of California, Riverside Steve Peirce - Avocado Marketing Services Len Francis - LF Grove Management	25	POSTER
B.  BREEDING AND GENETICS
Enhancement of Avocado Productivity.  Plant Improvement:  Selection and Evaluation of Improved Varieties and Rootstocks M. L. Arpaia, E. Focht, M. Crowley, L. Bates,  W. Manor, K. Fjeld, J. Sievert,  UC South Coast Avocado Volunteers, G. Douhan, D. Crowley, - University of California, Riverside M. Clegg – University of California, Irvine B. Faber – UC Cooperative Extension, Ventura County	42	POSTER
Assessing the Genetic Determination of Valuable Avocado Traits Using Microsatellite (SSR) Markers & Quantitative Trait Locus (QTL) Analysis Michael T. Clegg - Department of Ecology and Evolutionary Biology, University of California, Irvine V. Ashworth - University of California, Irvine H. Chen, S. Xu - University of California, Riverside	57	POSTER AVOCADO CULTIVAR GROUP
Use of Simple Sequence Repeats (SSR) to Determine Incidence and Effectiveness of Self-and-Cross-Pollinated Avocado Fruit in Southern California Tom Davenport, Z. Ying, T. Zhang – Tropical Research & Education Center, University of Florida, IFAS, Homestead, FL Raymond Schnell, C. Olano – USDA/ARS National Germplasm Repository for Tropical/Subtropical Fruit Crops Miami, FL	64	POSTER
Screening and Evaluation of New Rootstocks with Resistance to Phytophthora cinnamomi Greg  W. Douhan, B. McKee, E. Pond – University of California, Riverside	81	POSTER
C.        Cultural Management and PHYSIOLOGY
Rootstock Screening and Salinity Management in Avocado David Crowley, Mary Lu Arpaia - Department of Environmental Sciences and Department of Botany and Plant Sciences - UCR	87	POSTER
Avocado Tree Physiology - Understanding the Basis of Productivity Robert Heath, M. L Arpaia- University of California, Riverside M. V. Mickelbart- Department of Horticulture & Landscape Architecture, Purdue University, West Lafayette, IN	93	POSTER
Plant Growth Regulator (PGR) Strategies to Increase Yield of Hass Avocado Carol J. Lovatt - University of California, Riverside	108
Eliminating Alternate Bearing of the ‘Hass’ Avocado Carol J. Lovatt – University of California, Riverside	127
D.        POSTHARVEST
Avocado Postharvest Quality Mary Lu Arpaia - University of California, Riverside C. Requejo-Jackman, A. Woolf, Anne White - Quality Systems, HortResearch, Mt. Albert Research Centre, Auckland, NZ J. F. Thompson, D. S. Slaughter- University of California, Davis V. Tokar, Consultant J. Sievert, S. Collin, K. Fjeld, M. Toyota - University of California, Riverside	143	POSTER AVOCADO OIL POSTER