前言 Unit 1 (A) The Concept of Disease m Plants Unit 1 (B) Molecular Plant Pathology Unit 2 (A) Genes and Disease Unit 2 (B) The Gene-for-Gene Concept Unit 3 (A) Systemic Acquired Resistance Unit 3 (B) Defe e Through RNA Silencing by Pathogen-derived Genes Unit 4 (A) Integrated Control of Plant Diseases Unit 4 (B) New Tools in Epidemiology Unit 5 (A) Characteristics of Plant Pathogenic Fungi Unit 5 (B) Isolating the Pathogen Unit 6 (A) Characteristics of Plant Pathogenic Bacteria Unit 6 (B) Phytoplasmas and Spiroplasmas Unit 7 (A) Detection and Identification of Plant Viruses Unit 7 (B) Virus Infection and Virus Synthesis Unit 8 (A) Characteristics of Plant Pathogenic Nematodes Unit 8 (B) Root-knot Nematodes.Meloidogyne spp.~ Unit 9 (A) I ect Biodive ity and Co ervation Unit 9 (B) Reaso for the Studying of I ects Unit 10 (A) External Structure of I ects Unit 10 (B) Integument and Internal Systems of I ects Unit 11 (A) Embryonic and Postembryonic Development of I ects Unit 11 (B) Specialization of I ects Unit 12 (A) Behavior and Habits of I ects (1) Unit 12 (B) Behavior and Habits of I ects (2) Unit 13 (A) Environment Facto Affecting Development of I ects Unit 13 (B) Environment and I ects Unit 14 (A) I ect Systematics.Phylogeny and Classification Unit 14 (B) Naming,Describing and Classification of I ects Unit 15 (A) Detrimental I ects Unit 15 (B) Beneficial I ects Unit 16 (A) Integrated Pest Management Unit 16 (B) Reaso for I ects Becoming Pests and Assesment of Pest Status Unit 17 (A) What Is a Pesticide? Unit 17 (B) Generic Terms,Trade Names,and Chemical Names Unit 18 (A) Agriculture Formulatio Unit 18 (B) The Formulatio of Pesticides Unit 19 (A) Chemical Control in USA Unit 19 (B) I ecticides Unit 20 (A) Herbicides Unit 20 (B) Mode of Action Glossary English-Chinese Common Names of Pesticides Key to Exercises References