Compendium of Onion and Garlic Diseases and Pests, Second Edition
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. The references 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.
CONTENTS
Introduction
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
Rust
Smut
Stemphylium Leaf Blight and Stalk Rot
Twister
Diseases of Bulbs Caused by Fungi, Diseases Caused by Bacteria and Yeasts
Neck Rot
Brown Stain
Other Botrytis Rots
Black Mold
Penicillium Decay of Garlic
Blue Mold
Diplodia Stain
Mushy Rot
Smudge
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
Dodder
Part 2: Pests
Onion Maggot
Other Root Maggots
Thrips
Leafminers
Cutworms and Armyworms
Bulb Mites
Aster Leafhopper
Shallot Aphid
Part 3: 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
Greening
Pinking
Sunscald
Translucent and Leathery Scale
Waxy Breakdown
Appendix
Glossary
Index
