Fruit and Nut Information

All of the Categories by Fruits & Nuts: Plum

General Sources

• California Tree Fruit Agreement Research Reports Database
A database, currently under development, to archive research projects supporting the California stone fruit industry from 1939 to 2010.
• Dried Plum Research Reports
A searchable database of annual reports of research in various aspects of dried plum/prune production. This database provides reports in pdf format from 1961 to the present.
• UC Fruit Report
This site, developed by University of California scientists, contains useful information about establishing and managing fresh market peach, plum and nectarine orchards for California growers.

Production Management

• Decision Support System for IPM of Prune Brown Rot
UC Kearney Agricultural Research and Extension Center
• Dormant Spray Alternatives Calculator
UC IPM Online
• Growing Prunes (Dried Plums) in California: An Overview
Maxwell Norton, UCCE Merced Co., and William Krueger, UCCE Glenn Co. & Tehama Co., 2005 (7 pp.) UC ANR Pub. 8264
• Integrated Prune Farming Practices Orchard Monitoring Calendar (pdf)
excerpt (1 p.) from: Integrated Prune Farming Practices (IPFP) Decision Guide, 2004
• Introduction to Brown Rot of Stone Fruits
UC Kearney Agricultural Research and Extension Center
• IPM-Based Guidelines for Replanting Prunus Orchards in 2002 without Methyl Bromide (pdf)
Michael McKenry, Nematology Dept., UC Riverside. 2002 (5 pp.)
• Muir Beauty Dried Plum/Prune Description (pdf)
Dept. of Plant Sciences, UC Davis. 2005 (2 pp.)
• Physiological Disorder Fact Sheets: Apple, Grape, Olive, Pear, Persimmon, Pomegranate, Stonefruit
Carlos Crisosto, (ed.) Dept. of Plant Sciences, UC Davis, UC Postharvest Technology Research and Information Center
• Plum Pox Virus
UC Kearney Agricultural Research and Extension Center
• Recommendations for Maintaining Postharvest Quality: Plum
Carlos H. Crisosto, Elizabeth J. Mitcham, and Adel A. Kader Department of Plant Sciences, University of California, Davis
• Reduced-Risk Fungicides Help Manage Brown Rot and Other Fungal Diseases of Stone Fruit (pdf)
J. E. Adaskaveg, H. Förster, Plant Pathology Dept. UC Riverside, W. D. Gubler, B. L. Teviotdale, UCCE Plant Sciences, UC Davis, and D. F. Thompson, UC Riverside. in California Agriculture 2005 (6 pp)
• Relationship between Accumulated Growing Degree Hours 30 Days after Full Bloom and Harvest Date for “Improved French” Prune (pdf)
Ted DeJong, Gerardo Lopez, and Carolyn DeBuse, Dept. of Plant Sciences, UC Davis (2 pp.)
• Seasonal Guide to Environmentally Responsible Pest Management Practices in Prunes
Carolyn Pickel, W. H. Olson, Richard P. Buchner, William Krueger, Franz J. Niederholzer, and Maxwell V. Norton. 2006 (12 pp.) UC ANR Pub. 21624. Link to ANR Catalog for purchase
• Sutter Prune/Dried Plum Description (new cultivar) (pdf)
Dept. of Plant Sciences, UC Davis. 2006 (3 pp.)
• Tree Crop Physiology Technical Reports for Prune: 2003 to current season
Kitren Glozer, Dept. of Plant Sciences, UC Davis. Topics include use of the Dynamic Model to time applications of defoliants, dormant oil and RBAs and impact of growth regulators on fruit quality
• Tulare Giant Sweet Plum Description (new cultivar) (pdf)
Dept. of Plant Sciences, UC Davis. 2005 (2 pp.)
• UC IPM Pest Management Guidelines: Plum
UC IPM Online
• UC IPM Pest Management Guidelines: Prunes
UC IPM Online
• Using Spring Weather Data to Predict Harvest Date and Sizing Potential for Peaches Nectarines and Plums (pdf)
Ted DeJong, Kevin Day, Gerardo Lopez, and Scott Johnson, Dept. of Plant Sciences, UC Davis. 2007 (6 pp.)
• Using Spring Weather Data to Predict Harvest Date for “Improved French” Prune (pdf)
Ted DeJong, Carolyn DeBuse and Gerardo Lopez, Dept. Plant Sciences, UC Davis. 2007 (3 pp.)
• Using the Pressure Chamber to Monitor and Manage Irrigation in Prunes
Ken Shakel, Dept. of Plant Sciences, UC Davis.

Farm Advisors' Newsletters & Blogs: Current Topics & Meetings

• Dried Plum News - Tulare County
Newsletter from Elizabeth Fichtner, Farm Advisor Tulare County.
• Fruit & Nut Newsletters - Tehama County
Newsletters from Richard Buchner, Farm Advisor, Tehama County. Orchard management for walnuts, almonds and prunes
• Fruit & Nut Notes - Solano and Yolo Counties
Newsletter from Farm Advisors, Solano and Yolo Counties. Topics in production, principally almond, prune and walnut.
• Orchard Facts - Glenn County
News and updates:orchard crops in northern California counties. Focus primarily on walnut, prune and almond.
• Orchard Notes - Tulare County
Newsletter by Kevin Day, Farm Advisor, Tulare County. Primarily stone fruit production and culture, some coverage of apples, pears, cherries, apricots, kiwifruit, persimmons and pomegranates.
• Pomology Notes - Sutter and Yuba Counties
Newsletter by Franz Niederholzer, Farm Advisor, Sutter-Yuba Counties. Topics in tree crop production, principally almond and prune.
• Prune Growing in California - Blog
Blog posts by Franz Niederholzer, Farm Advisor, Colusa and Sutter Counties. Conditions and practices in commerical prune production.
• Prune Notes - Butte County
Newsletter from Joe Connell, Farm Advisor, Butte County
• Sacramento Valley Prune News - Glenn, Butte, Colusa, Sutter, Yuba, Yolo, Solano, Sacramento & Tehama Counties
Newsletter from regional prune farm advisors, submitted by Franz Niederholzer
• The Pomology Post - Madera County
Newsletter from Brent Holtz, Farm Advisor, Madera County. Topics in tree crop production, including farm safety, irrigation, pest management. Nut crops including almond, stone fruit.
• Tree and Vine Newsletter - Merced County
Newsletter from David Doll and Maxwell Norton, Farm Advisors, Merced County. Topics in tree crop production, including farm safety, irrigation, pest management.
• Tree Pest Updates: Peach Twig Borer - Alameda and Contra Costa Counties
Newsletter by Janet Caprile, Farm Advisor, Alameda & Contra Costa counties. Focus on peach, nectarine, apricot and plum.

non-University of California Resources

• Crop Profile for Plums in California (pdf)
National Science Foundation Center for IPM.1999 (22 pp.)
• Crop Profile for Prunes in California (pdf)
National Science Foundation Center for IPM. 1999 (29 pp.)
• Fruit & Nut Trees: Bloom and Harvest Charts
Bloom and Harvest Charts accessed through homepage link to Fruit & Nut Trees: Varieties. Fowler Nurseries, Newcastle, CA
• Plum Pox
USDA Animal and Plant Health Inspection Service
• Stone Fruit Varieties for Milder Climates
California Rare Fruit Growers
• Texas A & M University: Stone Fruit Breeding Program
Texas A & M University
• Texas Plant Disease Handbook: Plum
Plant Pathology and Microbiology, Texas A&M University
• Washington State University: Tree Fruit Research and Extension Center
Washington State University

Organizations

• California Dried Plums/California Dried Plum Board
Sacramento, CA
• Prune Bargaining Association
Yuba City, CA
• Sun-Maid Growers of California
Kingsburg, CA
• Sunsweet Growers Inc.
Yuba City, CA
• SunWest Premium Tree Fruit
Parlier, California

Some links are to sites outside of the UC domain. No endorsement is intended of products, services, or information, nor is criticism implied of similar sites that are not mentioned.