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Compendium of Onion and Garlic Diseases and Pests

Handbook / Manual

Series: Compendium of Plant Disease Series

By: Howard F Schwartz (Editor), S Krishna Mohan (Editor)

136 pages, 250 colour & 17 b/w photos and illustrations

American Phytopathological Society

Paperback | Dec 2008 | Edition: 2 | #172816 | ISBN-13: 9780890543573
Availability: Usually dispatched within 2-4 weeks Details
NHBS Price: £86.99 $106/€98 approx

About this book

Compendium of Onion and Garlic Diseases and Pests, Second Edition provides an updated, comprehensive, authoritative, and modern account of onion and garlic diseases and insect pests. It covers over 75 diseases including infectious and noninfectious diseases. The new edition contains nearly 250 color photographs of onion and garlic disease symptoms with expert descriptions of the identifying characteristics of symptoms and their causal agents. In addition to disease coverage, the new edition identifies the crop's most damaging pests, the symptoms they cause, and methods to control and prevent them.

Disease management practices should be economical and must be compatible with the environment and the production system. Thus, many options for onion and garlic disease management are discussed. The description of each disease includes a general account of its importance and world distribution, symptoms, causal organism or agent, disease cycle and epidemiology, management, and selected references. Compendium of Onion and Garlic Diseases and Pests document the descriptions and may be consulted for further information.

This compendium is designed to assist in the diagnosis of onion and garlic diseases and pests, in the field, laboratory, or diagnostic clinic, and to provide recommendations for management of onion and garlic diseases and pests. The compendium will be useful to plant pathologists, entomologists, nematologists, crop production specialists, growers, diagnostic clinicians, students, regulatory agents, crop consultants, agribusiness representatives, educators, researchers, and others interested in the recognition or management of onion and garlic diseases throughout the world.

What’s new in the expanded Second Edition?
- 42% more text than the 1st Edition, including coverage of more diseases
- 47% more images of diseases and disorders than the 1st Edition
- Color illustrations located in their corresponding disease review section
- New pests section with 25 images

" [...] well presented, easy to read, very informative and very well illustrated. It is a useful guide that would be of great help to all those involved in the teaching, study and cultivation of onion and garlic in different countries."
Nematologia Mediterranea

"The superb illustrations and photographs are carefully inserted within the text and provide interested readers with outstanding visuals. This volume with be invaluable for commercial growers and backyard onion and garlic growers, as well as for pest management specialists, crop consultants, agricultural agents, graduate students, and professors. Highly recommended."

"This book provides an updated, comprehensive, authoritative, and modern account of onion and garlic diseases and pests."

" [...] a lovely book [...] a must for everyone having anything to do with onions. Congratulations on this excellent job! This should be available in all university libraries and colleges where mycology and plant pathology is taught or researched, also by growers of onion and extentionists."
Fungal Diversity



The Genus Allium
Onion and Garlic Diseases
Onion and Garlic Pathogens
Onion and Garlic Disease and Pest Management

Part I: Infectious/Biotic Diseases
Diseases of Subterranean Parts Caused by Fungi and Oomycetes
Pythium Seed Rot and Damping-Off
Rhizoctonia Seed Rot and Seedling Diseases
Fusarium Diseases
Fusarium Damping-Off
Fusarium Basal Rot
Fusarium Basal Rot of Garlic
Fusarium Bulb Rot of Onion and Garlic
Embellisia Skin Blotch and Bulb Canker of Garlic
Charcoal Rot
Pink Root
Sclerotinia Rot
Southern Blight
White Rot
Diseases of Aerial Parts Caused by Fungi and Oomycetes
Botrytis Diseases
Botrytis Leaf Blight
Scape Blight of Onion
Flower and Capsule Blight of Onion
Botrytis Rot of Garlic
Downy Mildew
Leaf Blotch
Cercospora Leaf Spot
Phyllosticta Leaf Blight
Powdery Mildew
Purple Blotch
Stemphylium Leaf Blight and Stalk Rot
Diseases of Bulbs Caused by Fungi
Neck Rot
Brown Stain
Other Botrytis Rots
Black Mold
Penicillium Decay of Garlic
Blue Mold
Diplodia Stain
Mushy Rot
Diseases Caused by Bacteria and Yeasts
Xanthomonas Leaf Blight
Leaf Streak and Bulb Rot
Soft Rots
Other Bacterial Soft Rots
Slippery Skin
Sour Skin
Center Rot
Bacterial Stalk and Leaf Necrosis
Enterobacter Bulb Decay
Other Bacterial Diseases
Yeast Soft Rot
Diseases Caused by Nematodes
Stem and Bulb Nematode (Bloat)
Lesion Nematode
Root-Knot Nematode
Stubby-Root Nematode
Sting Nematode
Needle Nematode
Diseases Caused by Viruses and Phytoplasmas
Onion Yellow Dwarf
Garlic Mosaic
Iris Yellow Spot
Other Viral Diseases
Aster Yellows (Phytoplasma)
Parasitic Flowering Plants

Part II: Pests
Onion Maggot
Other Root Maggots
Cutworms and Armyworms
Bulb Mites
Aster Leafhopper
Shallot Aphid

Part III: Noninfectious/Abiotic Conditions
Temperature Stress
Air Pollution
Hail and Lightning Injury
Chemical Response
Soil Acidity, Alkalinity (pH), and Salinity
Mineral Deficiencies and Toxicities
Genetic Abnormalities
Translucent and Leathery Scale
Waxy Breakdown


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