This monograph is organized into sections on these main topics pertaining to curly top disease: history and geographic distribution, host range, symptoms, economic importance, transmission, causal agent, and relationship of the virus to host plants. Additional sections address the vector, the beet leafhopper (Circulifer tenellus), and its relationship to the virus, plus disease epidemiology and control, related diseases, and vector-utilization techniques. The text is illustrated with 31 photos and diagrams, and the “Literature Cited” section includes nearly 400 sources.

The Curly Top Disease of Sugarbeet and Other Plants, Monograph No. 7

Introduction

History and Georgraphic Distribution

Host Range

Symptoms

Economic Importance

Transmission

The Causal Agent

Relation of the Curly Top Virus to Host Plants

The Vector, Circulifer Tenellus

Relation of Curly Top Virus to Circulifer Tenellus

Epidemiology

Control

Diseases That May be Related to North American Curly Top

Techniques

Literature Cited