University of California

International Avocado Quality

Bookstore order online

Avocado Manuals
Stock #25: The International Avocado Quality Manual; $45/copy
Stock #25S: Manual Internacional de la Calidad del Aguacate; $45/copy

Avocado Pocketbooks
Stock #26: The International Avocado Quality Pocketbook; $15/copy
Stock #26S: Libro de Bolsillo Internacional Sobre la Calidad del Aguacate; $15/copy

The International Avocado Quality Manual
Manual Internacional de la Calidad del Aguacate
Avocado Manuals; $45/copy

Stock #25: The International Avocado Quality Manual
Stock #25S: Manual Internacional de la Calidad del Aguacate

Editors: Anne White and Allan Woolf, Plant & Food Research, New Zealand; Peter Hofman, Queensland Primary Industries and Fisheries; Mary Lu Arpaia, University of California, Riverside.

Description: This comprehensive avocado quality resource is printed on heavy weight gloss paper and comprises 70 pages (8.5” x 11”) of information, including 85 photographs, with sections on assess quality, ripening, external quality, internal quality, cultivars, and damage scenarios.

Table of Contents:

Introduction
Section 1. Assessing Avocado Quality
Replication; Ripening environment; Steps for carrying out fruit assessment; Rating scale 
Section 2. Avocado Ripening
Skin Colour; Fruit firmness 
Section 3. External Quality
Preharvest Damage: Animal feeding; Caterpillar or leafroller feeding damage; Cuts and punctures; Pollen; Ridging; Skin cracking; Spray deposit; Sugary exudate; Sunblotch; Sunburn; Thrips damage; Tree Rub 
Postharvest Damage: Skin Spotting; Discrete patches; External rots; Shrivel
Section 4. Internal Quality - Common Disorders 
Flesh Bruising; Diffuse flesh discolouration; Vascular browning; Stem end rot; Body rots
Section 5. Internal Quality - Less Common Disorders
Seed cavity browning; Seed germination; Tissue breakdown; Outer flesh blackening; Uneven ripening; Flesh adhesion to seed; Stringy vascular; Peelability; Pink staining;Stones in the flesh; Pulp spot 
Section 6. Commercial Cultivars
‘Bacon’; ‘Ettinger’; ‘Fuerte’; ‘Gwen’; ‘Hass’; ‘Lamb Hass’; ‘Pinkerton’; ‘Reed’; ‘Sharwil’; ‘Wurtz’; ‘Zutano’ 
Section 7. Damage Scenarios
Preharvest freeze; Postharvest frozen fruit; Controlled atmosphere damage; Ammonia damage; Methyl bromide damage; Irradiation damage
Appendix 1
References
Further reading
Acknowledgements

Bookstore order online
Avocado Pocketbooks; $15/copy

Stock #26: The International Avocado Quality Pocketbook
Stock #26S: Libro de Bolsillo Internacional Sobre la Calidad del Aguacate

The International Avocado Quality Pocketbook
Libro de Bolsillo Internacional Sobre la Calidad del Aguacate

Editors: Anne White and Allan Woolf, Plant & Food Research, New Zealand; Peter Hofman, Queensland Primary Industries and Fisheries; Mary Lu Arpaia, University of California, Riverside.

Description: This handy pocketbook is intended to serve as a field companion to The International Avocado Quality Manual.  The fully laminated booklet comprises 70 pages (3.6” x 6”) of information, including 49 photographs, with sections on assess quality, ripening, external quality, internal quality, and damage scenarios.  The information contained in the pocketbook was compiled by the New Zealand Institute for Plant and Food Research Limited with the financial support of the California Avocado Commission.

Table of Contents:

Introduction 
Assessing Avocado Quality
Steps for carrying out fruit assessment
Ripening of Avocados; Softening; Skin Colour 
External Quality 
Preharvest Damage 
Animal Feeding; Cuts and punctures; Deposits on fruit; Insect feeding; Ridging; Skin cracking; Sunblotch; Sunburn; Thrips damage; Tree Rub 
Postharvest Damage 
Skin Spotting; Discrete patches; External rots; Shrivel
Internal Quality
Common Disorders 
Flesh Bruising; Diffuse flesh discolouration; Vascular browning; Stem end rot; Body rots
Less Common Disorders 
Seed cavity browning; Seed germination; Uneven ripening; Flesh adhesion to seed; Stringy vascular; Peelability; Pink staining; Stones in the flesh; Pulp spot 
Damage Scenarios 
Preharvest freeze; Postharvest frozen fruit 

College of Agricultural & Environmental Sciences
Postharvest Technology Center
Department of Plant Sciences

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