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Plantpathology
Plantpathology
Plantpathology
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Plantpathology
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Plantpathology
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Plantpathology

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  • 1. FFA Judging Contest Plant Pathology Study Guide
  • 2. Corn - Smut
  • 3. Corn - Smut
    • Cut and destroy diseased parts.
    • Crop Rotation.
    Control
  • 4. Bean - Anthracnose
  • 5. Bean - Anthracnose
    • Spray with Bravo
    • Mancozeb
    • Remove infected plants.
    Control
  • 6. Cucumber - Bacterial Wilt
  • 7. Cucumber - Bacterial Wilt
    • Provado dust
    • Ambush
    • Asana
    • Pounce
    • Rotenone for cucumber beetles.
    Control
  • 8. Tomato - Anthracnose
  • 9. Tomato - Anthracnose
    • Use 3 year rotation.
    • Use clean seed.
    • Mancozeb.
    • Copper.
    • Bravo Fungicides.
    Control
  • 10. Wheat - Scab
  • 11. Wheat - Scab
    • If following corn, cover residue completely
    • Treat seed with a suitable chemical.
    Control
  • 12. Tomato – Root Knot Nematode
  • 13. Tomato – Root Knot Nematode
    • Buy nematode-free plants.
    • Fumigate soil.
    Control
  • 14. Rye - Ergot
  • 15. Rye - Ergot
    • Use disease free seed.
    • Cut wild grass hosts.
    Control
  • 16. Strawberry – Botrytis Rot
  • 17. Strawberry – Botrytis Rot
    • Renovate
    • Thin old beds
    • Captan
    • Topsin-M
    • Ronilan
    Control
  • 18. Corn - Rust
  • 19. Corn - Rust
    • No practical control
    Control
  • 20. Potato – Late Blight
  • 21. Potato – Late Blight
    • Spray with Mancozeb.
    • Copper.
    • Bravo fungicides.
    Control
  • 22. Wheat - Powdery Mildew
  • 23. Wheat - Powdery Mildew
    • Resistant Varieties
    Control
  • 24. Corn–Maize Dwarf Mosaic Virus
  • 25. Corn–Maize Dwarf Mosaic Virus
    • Use Resistant Varieties
    Control
  • 26. Tomato – Blossom End Rot
  • 27. Tomato – Blossom End Rot
    • Mulch to keep an even water supply
    • Keep calcium high.
    Control
  • 28. Tomato – Early Blight
  • 29. Tomato – Early Blight
    • Spray with Mancozeb
    • Copper
    • Bravo fungicides
    Control
  • 30. Tomato – Septoria Leaf Spot
  • 31. Tomato – Septoria Leaf Spot
    • Use 3 year rotation.
    • Mancozeb.
    • Copper.
    • Bravo fungicides.
    Control
  • 32. Wheat – Glume Blotch
  • 33. Wheat – Glume Blotch
    • Treat seed with suitable chemical
    Control
  • 34. Tomato – Late Blight
  • 35. Tomato – Late Blight
    • Spray with Mancozeb
    • Copper
    • Terranil
    • Bravo fungicides
    Control
  • 36. Strawberry – Leaf Blight
  • 37. Strawberry – Leaf Blight
    • Spray with Captan
    Control
  • 38. Apple - Scab
  • 39. Apple - Scab
    • Spay with Captan
    • Rubigan + Captan
    • Rubigan + Ziram
    Control
  • 40. Bean – Bacterial Blight
  • 41. Bean – Bacterial Blight
    • Use disease free seed
    • Crop rotation
    Control
  • 42. Apple – Sooty Blotch
  • 43. Apple – Sooty Blotch
    • Spray with Captan
    • Remove dead branches
    Control
  • 44. Peach – Leaf Curl
  • 45. Peach – Leaf Curl
    • Lime-sulfer in winter time
    • Ferbam
    • Sulfer Wettable
    • Bravo fungicide
    Control
  • 46. Brambles – Crown Gall
  • 47. Brambles – Crown Gall
    • Avoid infested soil
    • Remove infected plants
    • Disease free plants
    Control
  • 48. Apple – Bitter Rot
  • 49. Apple – Bitter Rot
    • Spray with Captan
    • Remove dead branches
    Control
  • 50. Cherry – Brown Rot
  • 51. Cherry – Brown Rot
    • Spray withCaptan + Topsin-M mixed.
    Control
  • 52. Peaches – Brown Rot
  • 53. Peaches – Brown Rot
    • Wettable sulfer
    • Benlate plus Captan
    • Benlat plus Sulfer
    Control
  • 54. Barley - Scald
  • 55. Barley - Scald
    • Use resistant varieties
    Control
  • 56. Apple – Cedar Rust
  • 57. Apple – Cedar Rust
    • Remove alternate host
    • Rubigan + Captan
    • Rubigan + Ziram
    Control
  • 58. Strawberry – Leaf Spot
  • 59. Strawberry – Leaf Spot
    • Spray with Captan
    • Topsin-M
    Control
  • 60. Apple – Frog-eye Leaf Spot
  • 61. Apple – Frog-eye Leaf Spot
    • Spray with Captan
    • Nova + mancozeb
    • Remove diseased parts
    Control
  • 62. Barley – Covered Smut
  • 63. Barley – Covered Smut
    • Treat seed with suitable chemical
    Control
  • 64. Apple – Fire Blight
  • 65. Apple – Fire Blight
    • Remove diseased parts
    • Streptomycin
    • Bordeaux
    • Fixed copper
    Control
  • 66. Potato – Hopperburn
  • 67. Potato - Hopperburn
    • Spray with Methoxychlor
    Control
  • 68. Barley – Stripe Rust
  • 69. Barley – Stripe Rust
    • Treat seed with suitable chemical
    Control
  • 70. Corn – Northern Leaf Blight
  • 71. Corn – Northern Leaf Blight
    • Use resistant varieties
    Control
  • 72. Plum – Brown Rot
  • 73. Plum – Brown Rot
    • Spray with Captan Topsin-M mixed.
    Control
  • 74. Potato – Black Leg
  • 75. Potato – Black Leg
    • Treat seed with Captan
    • Polyram
    • Disease free seed
    Control
  • 76. Barley – Powdery Mildew
  • 77. Barley – Powdery Mildew
    • Use resistant varieties
    Control
  • 78. Wheat – Loose Smut
  • 79. Wheat – Loose Smut
    • Hot water seed treatment
    • Water soak treatment
    • Treat seed with a suitable chemical
    Control
  • 80. Grapes – Powdery Mildew
  • 81. Grapes – Powdery Mildew
    • Bordeaux
    • Fixed copper
    • Bayleton
    Control
  • 82. Peach - Scab
  • 83. Peach - Scab
    • Spray with wettable sulfur + Benlate
    Control
  • 84. Potato – Leaf Roll
  • 85. Potato – Leaf Roll
    • Use disease free seed
    Control
  • 86. Barley – Loose Smut
  • 87. Barley – Loose Smut
    • Treat seed with suitable chemical
    • Hot water – long water soak treatment.
    Control
  • 88. Potato - Scab
  • 89. Potato - Scab
    • Acidify soil
    • Use resistant varieties
    Control
  • 90. Wheat – Stem Rust
  • 91. Wheat – Stem Rust
    • Use resistant varieties
    • Destroy alternate host
    Control
  • 92. Wheat – Leaf Rust
  • 93. Wheat – Leaf Rust
    • Use resistant varieties
    Control
  • 94. Potato – Ring Rot
  • 95. Potato – Ring Rot
    • Use disease free seed
    Control
  • 96. Alfalfa - Leaf Spots
  • 97. Alfalfa - Leaf Spots
    • Cut foliage in a timely manner
    Control
  • 98. Grapes - Black Rot
  • 99. Grapes - Black Rot
    • Ferbam
    • Captan
    • Bayleton
    Control
  • 100. Potato - Rhizoctonia
  • 101. Potato - Rhizoctonia
    • No practical control
    • Cultural practice- plant shallow and hill deep.
    Control
  • 102. Brambles - Anthracnose
  • 103. Brambles - Anthracnose
    • Spray with lime-sulfur in spring when leaves show 1/2 inch growth; follow with Captan at bloom and two weeks after bloom.
    Control
  • 104. Oats - Stem Rust
  • 105. Oats - Stem Rust
    • Use resistant varieties
    • Destroy alternate host
    Control
  • 106. Crucifers - Club Root
  • 107. Crucifers - Club Root
    • Avoid infested soil
    • Apply lime to soil
    Control
  • 108. Plum - Brown Rot
  • 109. Plum - Brown Rot
    • Spray with Captan and Topsin-M mixed.
    Control
  • 110. Potato – Early Blight
  • 111. Potato – Early Blight
    • Spray with Mancozeb
    • Copper
    • Bravo fungicides
    Control
  • 112. Alfalfa - Downy Mildew
  • 113. Alfalfa - Downy Mildew
    • Cut foliage in a timely manner
    Control
  • 114. Bramble - Orange Rust
  • 115. Bramble - Orange Rust
    • Remove infested plants, including roots
    Control
  • 116. Crucifers - Soft Rot
  • 117. Crucifers - Soft Rot
    • Prevent mechanical and insect injuries to plants
    Control
  • 118. Clover - Sclerotinia Crown Rot
  • 119. Clover - Sclerotinia Crown Rot
    • No practical control
    Control
  • 120. Crucifers - Black Leg
  • 121. Crucifers - Black Leg
    • Use clean seeds
    • Hot water treatment
    • Rovral
    Control
  • 122. Grapes - Downy Mildew
  • 123. Grapes - Downy Mildew
    • Bordeaux
    • Fixed copper
    Control
  • 124. Plum - Black Knot
  • 125. Plum - Black Knot
    • Cut and destroy diseased parts
    • Spray with Captan
    Control
  • 126. Clover - Rust
  • 127. Clover - Rust
    • No practical control
    Control
  • 128. Potato - Mosaic Virus
  • 129. Potato - Mosaic Virus
    • Use disease free seed
    Control
  • 130. Clover - Powdery Mildew
  • 131. Clover - Powdery Mildew
    • Use resistant varieties
    Control
  • 132. Cucurbits - Powdery Mildew
  • 133. Cucurbits - Powdery Mildew
    • Spray with Bravo
    Control
  • 134. Beans - Mosaic Virus
  • 135. Beans - Mosaic Virus
    • No chemical control.
    • Control weeds
    • Use disease free seed
    Control
  • 136. Cherry - Leaf Spot
  • 137. Cherry - Leaf Spot
    • Spray with Captan and Topsin-M mixed
    Control
  • 138. Bean - Rust
  • 139. Bean - Rust
    • Sulfur dust
    • Bravo fungicides
    • Resistant varieties.
    Control
  • 140. Oats - Crown Rust
  • 141. Oats - Crown Rust
    • Use resistant varieties
    Control
  • 142. Oats - Loose Smut
  • 143. Oats - Loose Smut
    • Treat seed with suitable chemical
    Control
  • 144. Tomato - Wilt Diseases
  • 145. Tomato - Wilt Diseases
    • Use resistant varieties
    Control
  • 146. Cucurbits - Anthracnose
  • 147. Cucurbits - Anthracnose
    • Mancozeb
    • Bravo fungicides
    • Topsin-M
    Control
  • 148. Cucurbits - Downy Mildew
  • 149. Cucurbits - Downy Mildew
    • Bravo fungicides
    • Mancozeb
    • Quadris
    Control
  • 150. Corn - Southern Leaf Blight
  • 151. Corn - Southern Leaf Blight
    • Use resistant varieties
    Control
  • 152. Peach - Yellows
  • 153. Peach - Yellows
    • Pull and destroy disease trees
    Control
  • 154. Corn - Grey Leaf Spot
  • 155. Corn - Grey Leaf Spot
    • Use resistant varieties
    Control

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