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Plantpathology
Plantpathology
Plantpathology
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Plantpathology

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

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