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Compendium of Sweetpotato Dis, Pests, & Disorders, 2nd Ed
Compendium of Sweetpotato Dis, Pests, & Disorders, 2nd Ed

This is the most comprehensive book ever published describing the many diseases, insect pests, nutrient disorders, herbicide damage, and other disorders affecting the world's seventh most important food crop.


Item No. 44105

Compendium of Sweetpotato Diseases, Pests, and Disorders, Second Edition arrives as sweetpotato production is increasing dramatically in the United States, expanding to states that have not traditionally produced the crop, and as sweetpotato is being adopted as a critical source of vitamin A in many countries around the world. Nearly 50% longer than the previous edition, this is the most comprehensive book ever published describing the many diseases, insect pests, nutrient disorders, herbicide damage, and other disorders affecting the world’s seventh most important food crop. 

The second edition contains 325 color photographs (an increase of 243 compared with the previous edition) depicting the diagnostic symptoms of these diseases and disorders. These features make the book invaluable to growers, extension specialists, and diagnosticians in their efforts to accurately identify diseases and disorders they find on sweetpotatoes and to develop strategies to manage these problems.

This book provides the most up-to-date and authoritative information available on each disease prepared by leading experts in each discipline.Each section has a comprehensive list of the critical research publications that will allow researchers to quickly dive into work on diseases that may be new to them. 

The insect section is completely new. The virus section has been entirely rewritten to reflect the vast progress made in the last 25 years in understanding sweetpotato virus diseases. The nutrient disorder and herbicide injury sections have been completely rewritten and illustrated using photographs of symptoms produced under carefully controlled conditions to assure complete accuracy.  The nematode section has been completely rewritten and every section provides the most recent information available. 

Contributing editors, Clark, Ferrin, Smith, and Holmes have gathered a diverse group of talented scientists to create a comprehensive compendium that presents information on diseases, disorders, and pests occurring worldwide. 

Did you know?

To find out why the book's title went from "sweet potato" to "sweetpotato," click the preview tab above and turn to the "What's in a name?" section.

From the Preface

Phillip D. Dukes, a plant pathologist who contributed much to the development of practical control of sweetpotato diseases, wrote the following poem, which was published in 1988 in Fifty Years of Cooperative Sweetpotato Research, edited by A. Jones and J. C. Bouwkamp:

Ipomoea batatas is its botanical name
Tasty roots—its reason for fame.
A dependable yield under adverse condition.
Many survived due to its superior nutrition.

For much of its history, sweetpotato has been a crop that has helped people survive harsh times: depression in the United States, typhoons in Asia, wars worldwide, and more. As a result, sweetpotato was often regarded as “a poor man’s crop” and received scant attention from research and extension personnel. This second edition of the Compendium of Sweetpotato Diseases, Pests, and Disorders comes as the crop is experiencing a renaissance in the United States, with percapita consumption increasing in response to increased knowledge about the nutritional attributes of the crop and with increased availability of sweetpotato products such as chips and french fries.

This compendium is intended to serve as an updated, comprehensive source of information on diseases, pests, and other problems that occur in the production, storage, and handling of sweetpotatoes. As much as possible, it is international in scope and indicates the countries in which diseases, pests, and disorders are known to occur. However, readers should understand that because the crop has received less attention than it is due, knowledge of the geographic distributions of pathogens and pests is incomplete. Thus, disease occurrences may extend to other countries and additional diseases and pests may be important in some parts of the world.

The first edition of the Compendium of Sweet Potato Diseases honored the contributions of Weston J. Martin, at the Louisiana Agricultural Experiment Station, Louisiana State University, and Lowell W. Nielsen, at North Carolina State University. Their efforts in identifying and, more importantly, developing practical control procedures for sweetpotato diseases helped make it practical to undertake the task of compiling the first compendium.

The first edition was written by C. A. Clark and J. W. Moyer but supported by great assistance from contributors of photographs, translations of sweetpotato research articles, information on occurrence of sweetpotato diseases, and critical reviews of the manuscript—all of which were acknowledged in the first edition.

The second edition includes a new section on pests and completely rewritten sections on nematode and virus diseases, herbicide damage, and nutrient disorders. All other sections have been updated and expanded, as well. The text has been written by a team of experts.

Compendium of Sweetpotato Diseases, Pests, and Disorders, Second Edition


Importance and Utilization of Sweetpotato
What’s in a Name?
The Sweetpotato Plant
Cultivation and Storage
Sweetpotatoes as Ornamental Plants

Part I. Infectious Diseases

General Disease Management in Sweetpotato
Diseases Caused by Bacteria

Streptomyces Soil Rot (Pox)
Bacterial Stem and Root Rot
Bacterial Wilt
Sweetpotato Little Leaf
Other Bacterial Diseases

Diseases Caused by Fungi
Plant Bed Diseases

Sclerotial Blight
Rhizoctonia Stem Canker
Sclerotinia Rot
Slime Molds

Foliar Diseases

Alternaria Leaf Spot and Leaf Petiole and Stem Blight
Cercospora and Pseudocercospora Leaf Spots
Chlorotic Leaf Distortion
Leaf and Stem Scab
Phyllosticta Leaf Blight (Phomopsis Leaf Spot)
Red Rust
Septoria Leaf Spot
White Rust
Other Foliar Diseases

Field and Storage Diseases

Black Rot
Charcoal Rot
Circular Spot
Foot Rot
Fusarium Root Rot and Stem Canker and Surface Rot
Fusarium Adventitious Root Rot
Fusarium Wilt
Geotrichum Sour Rot
Mottle Necrosis
Phymatotrichum Root Rot
Sclerotinia Rot
Violet Root Rot

Storage Rots

Rhizopus Soft Rot
Java Black Rot
Dry Rot
Punky Rot
Blue Mold Rot
Alternaria Rot
Gray Mold Rot
Animal Toxins in Infected Sweetpotatoes
Floral, Seed, and Seedling Diseases

Diseases Caused by Nematodes

Root-Knot Nematode
Reniform Nematode
Lesion Nematode
Stem Nematode (Brown Ring)
Burrowing Nematode
Spiral Nematode
Sting Nematode
Stubby-Root Nematode

Diseases Caused by Viruses

Important Virus Diseases of Sweetpotato

Chronic Chlorotic Spotting
Internal Cork
Russet Crack
Sweet Potato Virus Disease and Other Virus Complexes

Detection and Identification of Sweetpotato Viruses


Sweet potato feathery mottle virus
Sweet potato virus G
Sweet potato virus 2
Sweet potato latent virus
Sweet potato mild speckling virus


Sweet potato mild mottle virus


Sweet potato chlorotic stunt virus

Other Sweetpotato Viruses

Sweet potato chlorotic fleck virus
Sweet potato C-6 virus
Sweet potato leaf speckling virus


Sweet potato collusive virus
Sweet potato ringspot virus

Other Viruses Isolated from Sweetpotato

Cucumber mosaic virus

Epidemiology and Management of Sweetpotato Virus Diseases

Part II. Insect Pests

General Pest Management in Sweetpotato
Integrated Pest Management in Sweetpotato
Sweetpotato Insect Pests

Sweetpotato Weevil
Wireworms, Diabrotica and Systena (WDS) Complex

Flea Beetles and Leaf Beetles

White Grubs
Whitefringed Beetles
Sugarcane Beetle
Vine Borers
Foliar Insects
Insect Vectors


Part III. Noninfectious Disorders

Herbicide Injury

Causes of Herbicide Injury
Diagnosis of Herbicide Injury

Nutrient Disorders

Diagnosis of Nutrient Disorders
Nutrient Requirements of Sweetpotato

Nutrient Deficiencies
Nutrient Toxicities

Somatic Mutations
Disorders Caused by Adverse Environments

Field Environments
Storage Environments

Part IV. Disorders of Unknown Etiology

False Broomrape
Subcutaneous Roots
Alligator Skin
Internal Necroses
Leaf Vein Spot


Publish Date: 2013
Format: 8.5" x 11" softcover
ISBN: 978-0-89054-410-5
Pages: 160
Images: 317 color images
Publication Weight: 2 lbs

Edited by Christopher A. Clark, Donald M. Ferrin, Tara P. Smith, and Gerald J. Holmes

List Price:135.00
Compendium of Sweetpotato Diseases, Pests, and Disorders, Second Edition

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