The document discusses several fungal pathogens that affect plants. It describes the structures and life cycles of fungi, including hyphae, mycelium, and fruiting bodies. Several fungal diseases are then summarized, including powdery mildew, rust, early blight, fusarium wilt, and verticillium wilt. The diseases are grouped based on whether they primarily affect leaves, stems, or roots. Specific symptoms and management strategies are provided for selected fungal pathogens.

1. Plant Health Care Fungal Pathogens Lecture

4. HYPHAE (singular = HYPHA ) are the threadlike structures that comprise the major body of a fungus. You can think of a hypha as a long tube. Many hyphae in a mass are called MYCELIUM (plural = MYCELIA ).

8. Phaeosphaeria spartinicola Pithomyces

9. Spore (Botrytis)

14. Coryneum Blight http://www.coopext.colostate.edu/TRA/PLANTS/coryneumblight.html

17. Early Blight

20. Fusarium Wilt of Tomato

23. Fusarium Wilt of Tobacco

24. Fusarium Root Rot

25. Fusarium Wilt

27. Marssonina leaf spot of Aspen

28. Marssonina Leaf Spot of Poplar

31. Powdery Mildew on Lilac

32. Powdery Mildew on Pumpkin

41. May Apple Rust

42. Rose Rust

43. Rust on Spruce

44. Rust on Lawn & Shoes

45. Cedar Apple Rust

49. Sooty Mold Linden

51. Scale & Sooty Mold on Pine

55. Anthracnose of Maple & Sycamore Enlarged leaf vein

56. Anthracnose

57. Anthracnose on Twig

60. Botrytis Blight

62. Cytospora Canker in Aspen

66. Cytospora Canker in Spruce

69. Fungal Canker Nectria galligena on apple

70. Lantern canker on birch with nail

76. Verticillium Wilt

77. Verticillium Wilt – Tomato

79. Phytophthora Root Rot

83. Phytophthora Root Rot

84. Phytophthora Stem Rot

85. Phytophthera in Soy Beans

86. Rhizoctonia

88. Rhizoctonia lesions

90. Ascochyta Leaf Blight

93. Dollar Spot http://www.ext.colostate.edu/ptlk/1522b.html

94. Fairy Rings

95. Melting Out Disease of Turf

97. Necrotic Ring Spot

100. Marssonina leaf spot of Aspen

101. Marssonina Leaf Spot of Poplar

104. Powdery Mildew on Lilac

105. Powdery Mildew on Pumpkin

112. Botrytis Blight

114. Cytospora Canker in Aspen

118. Cytospera Canker in Spruce

121. Fungal Canker Nectria galligena on apple

122. Lantern canker on birch with nail

127. Verticillium Wilt

128. Verticillium Wilt – Tomato

130. Phytophthora Root Rot

134. Phytophthora Root Rot

135. Phytophthora Stem Rot

136. Phytophthera in Soy Beans

137. Rhizoctonia

139. Rhizoctonia lesions

141. Ascochyta Leaf Blight

143. Ascochyta Leaf Blight

144. Dollar Spot http://www.ext.colostate.edu/ptlk/1522b.html

147. Id from Photographs