Contents Introduction 2 4 6 6
53 54 56 56 59 62 63 68 70 71 78 85 86 88 89 91 94 97 99 102
Grasses Managed as Turfs Turfgrass Genera Diseases and Their Causal Agents Infectious Agents
Part I Noninfectious Diseases 8 8 8 9 9 11 11 13 15
Biotic Agents of Noninfectious Diseases Algae Black-Layer Moss Insect Pests Abiotic Agents of Noninfectious Diseases Chemical Agents Physical Agents Mechanical Agents
Part II Infectious Diseases Caused by Fungi 17 17 19 19 19 20 21 22 24 28 28 31 33 33 34 34 35 37 37 38 40 44 46 47 47 49 50 53
Tar Spot Yellow Tuft (Downy Mildew) Fungal Diseases of Foliage and /or Roots Anthracnose Bipolaris and Exserohilum Diseases Curvularia Diseases Drechslera and Marielliottia Diseases Fusarium Diseases Nigrospora Blight Pythium Diseases Rhizoctonia Diseases Seedling Diseases Southern Blight Fungal Diseases of Roots Dead Spot Necrotic Ring Spot Root Decline of Warm-Season Turfgrasses Spring Dead Spot Summer Patch Take-All Patch
Part III Diseases and Disorders Caused by Other Pathogens and Biotic Agents
Fungal Diseases of Foliage Ascochyta Leaf Blight Brown Stripe Cephalosporium Stripe Cercospora Leaf Spot Cladosporium Eyespot Copper Spot (Zonate Leaf Spot) Dollar Spot Gray Leaf Spot Leaf Blotch (Scald) Leaf Smuts Leptosphaerulina Leaf Blight Mastigosporium Leaf Spot Phyllosticta Leaf Blight Physoderma Leaf Spot and Leaf Streak Pink Patch and Cream Leaf Blight Powdery Mildew Pseudoseptoria Leaf Spot Ramularia Leaf Spot Red Thread Rusts Septoria Leaf Spot and Stagonospora Leaf Spot Snow Molds Coprinus Snow Mold Microdochium Patch Snow Scald Typhula Blight Spermospora Leaf Spot
106 109 110 114 114 115 116 117 122 123 125 126
Bacterial Diseases Endophytic Fungi Fairy Ring Mollicute Diseases Superficial Fairy Ring Yellow Ring White Blight Diseases Caused by Plant-Parasitic Nematodes Primitive Root-Infecting Fungus-Like Organisms Rapid Blight Slime Molds Viral Diseases
Part IV Ecology and Taxonomy of Pathogenic Fungi 130 Ecological Groupings of Pathogens and Parasites 133 Pathogens and Their Environment 133 Pathogen Successions and Disease Complexes 138 Taxonomy of Pathogens and Other Agents Causing Diseases of Turfgrasses v