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FFA Judging Contest Plant Pathology Study Guide - PowerPoint PPT Presentation


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FFA Judging Contest Plant Pathology Study Guide. Revised 8-07.

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The following PowerPoint presentation was assembled by Tom McCutcheon and Mike Shamblin. The information was assembled from various sources publicly available on the Internet. The information was gathered over a period of time and from sources too numerous to list individually. The author would like to acknowledge the assistance of these web sites and publicly express his sincere appreciation for the assistance.
  • The presentation was assembled solely for educational purposes. The author did not or will never receive financial reward for the preparation of the presentation.
  • The presentation may be copied and distributed in parts or in its entirety for educational purposes. If any part of this presentation is distributed, the efforts of Mr. McCutcheon and Mr. Shamblin in assembling the materials must be recognized. The distributor may not receive any financial compensation for this service.
  • Tom McCutcheon Mike ShamblinExtension Agent Extension Agent Tom.McCutcheon@mail.wvu.eduMike.Shamblin@mail.wvu.edu
  • WVU Monongalia Co. Ext. Office WVU Clay Co. Ext. Office
  • 26 Commerce Drive, WesMon Plaza New Courthouse - Main Street Morgantown, WV 26501 P.O. Box 119
  • (304) 291-7201 Clay, WV 25043-0119
  • FAX (304) 291-7202 (304) 587-4267
  • FAX (304) 587-7054
instructions
Instructions

The next time you left-click the mouse a new window will appear with a picture of a pest. Try to identify it. Once you have decided on what it is or have given up, left-click again and the common name will appear. The next slide will then ask questions about the disease and left-clicking will reveal the answers.

corn smut1
Corn - Smut

Control

  • Cut and destroy diseased parts.
  • Crop Rotation.
bean anthracnose1
Bean - Anthracnose

Control

  • Spray with Bravo
  • Mancozeb
  • Remove infected plants.
cucumber bacterial wilt1
Cucumber - Bacterial Wilt

Control

  • Provado dust
  • Ambush
  • Asana
  • Pounce
  • Rotenone for cucumber beetles.
tomato anthracnose1
Tomato - Anthracnose

Control

  • Use 3 year rotation.
  • Use clean seed.
  • Mancozeb.
  • Copper.
  • Bravo Fungicides.
wheat scab1
Wheat - Scab

Control

  • If following corn, cover residue completely
  • Treat seed with a suitable chemical.
tomato root knot nematode1
Tomato – Root Knot Nematode

Control

  • Buy nematode-free plants.
  • Fumigate soil.
rye ergot1
Rye - Ergot

Control

  • Use disease free seed.
  • Cut wild grass hosts.
strawberry botrytis rot1
Strawberry – Botrytis Rot

Control

  • Renovate
  • Thin old beds
  • Captan
  • Topsin-M
  • Ronilan
corn rust1
Corn - Rust

Control

  • No practical control
potato late blight1
Potato – Late Blight

Control

  • Spray with Mancozeb.
  • Copper.
  • Bravo fungicides.
wheat powdery mildew1
Wheat - Powdery Mildew

Control

  • Resistant Varieties
corn maize dwarf mosaic virus1
Corn–Maize Dwarf Mosaic Virus

Control

  • Use Resistant Varieties
tomato blossom end rot1
Tomato – Blossom End Rot

Control

  • Mulch to keep an even water supply
  • Keep calcium high.
tomato early blight1
Tomato – Early Blight

Control

  • Spray with Mancozeb
  • Copper
  • Bravo fungicides
tomato septoria leaf spot1
Tomato – Septoria Leaf Spot

Control

  • Use 3 year rotation.
  • Mancozeb.
  • Copper.
  • Bravo fungicides.
wheat glume blotch1
Wheat – Glume Blotch

Control

  • Treat seed with suitable chemical
tomato late blight1
Tomato – Late Blight

Control

  • Spray with Mancozeb
  • Copper
  • Terranil
  • Bravo fungicides
strawberry leaf blight1
Strawberry – Leaf Blight

Control

  • Spray with Captan
apple scab1
Apple - Scab

Control

  • Spay with Captan
  • Rubigan + Captan
  • Rubigan + Ziram
bean bacterial blight1
Bean – Bacterial Blight

Control

  • Use disease free seed
  • Crop rotation
apple sooty blotch1
Apple – Sooty Blotch

Control

  • Spray with Captan
  • Remove dead branches
peach leaf curl1
Peach – Leaf Curl

Control

  • Lime-sulfer in winter time
  • Ferbam
  • Sulfer Wettable
  • Bravo fungicide
brambles crown gall1
Brambles – Crown Gall

Control

  • Avoid infested soil
  • Remove infected plants
  • Disease free plants
apple bitter rot1
Apple – Bitter Rot

Control

  • Spray with Captan
  • Remove dead branches
cherry brown rot1
Cherry – Brown Rot

Control

  • Spray withCaptan + Topsin-M mixed.
peaches brown rot1
Peaches – Brown Rot

Control

  • Wettable sulfer
  • Benlate plus Captan
  • Benlat plus Sulfer
barley scald1
Barley - Scald

Control

  • Use resistant varieties
apple cedar rust1
Apple – Cedar Rust

Control

  • Remove alternate host
  • Rubigan + Captan
  • Rubigan + Ziram
strawberry leaf spot1
Strawberry – Leaf Spot

Control

  • Spray with Captan
  • Topsin-M
apple frog eye leaf spot1
Apple – Frog-eye Leaf Spot

Control

  • Spray with Captan
  • Nova + mancozeb
  • Remove diseased parts
barley covered smut1
Barley – Covered Smut

Control

  • Treat seed with suitable chemical
apple fire blight1
Apple – Fire Blight

Control

  • Remove diseased parts
  • Streptomycin
  • Bordeaux
  • Fixed copper
potato hopperburn1
Potato - Hopperburn

Control

  • Spray with Methoxychlor
barley stripe rust1
Barley – Stripe Rust

Control

  • Treat seed with suitable chemical
corn northern leaf blight1
Corn – Northern Leaf Blight

Control

  • Use resistant varieties
plum brown rot1
Plum – Brown Rot

Control

  • Spray with Captan Topsin-M mixed.
potato black leg1
Potato – Black Leg

Control

  • Treat seed with Captan
  • Polyram
  • Disease free seed
barley powdery mildew1
Barley – Powdery Mildew

Control

  • Use resistant varieties
wheat loose smut1
Wheat – Loose Smut

Control

  • Hot water seed treatment
  • Water soak treatment
  • Treat seed with a suitable chemical
grapes powdery mildew1
Grapes – Powdery Mildew

Control

  • Bordeaux
  • Fixed copper
  • Bayleton
peach scab1
Peach - Scab

Control

  • Spray with wettable sulfur + Benlate
potato leaf roll1
Potato – Leaf Roll

Control

  • Use disease free seed
barley loose smut1
Barley – Loose Smut

Control

  • Treat seed with suitable chemical
  • Hot water – long water soak treatment.
potato scab1
Potato - Scab

Control

  • Acidify soil
  • Use resistant varieties
wheat stem rust1
Wheat – Stem Rust

Control

  • Use resistant varieties
  • Destroy alternate host
wheat leaf rust1
Wheat – Leaf Rust

Control

  • Use resistant varieties
potato ring rot1
Potato – Ring Rot

Control

  • Use disease free seed
alfalfa leaf spots1
Alfalfa - Leaf Spots

Control

  • Cut foliage in a timely manner
grapes black rot1
Grapes - Black Rot

Control

  • Ferbam
  • Captan
  • Bayleton
potato rhizoctonia1
Potato - Rhizoctonia

Control

  • No practical control
  • Cultural practice- plant shallow and hill deep.
brambles anthracnose1
Brambles - Anthracnose

Control

  • Spray with lime-sulfur in spring when leaves show 1/2 inch growth; follow with Captan at bloom and two weeks after bloom.
oats stem rust1
Oats - Stem Rust

Control

  • Use resistant varieties
  • Destroy alternate host
crucifers club root1
Crucifers - Club Root

Control

  • Avoid infested soil
  • Apply lime to soil
plum brown rot3
Plum - Brown Rot

Control

  • Spray with Captan and Topsin-M mixed.
potato early blight1
Potato – Early Blight

Control

  • Spray with Mancozeb
  • Copper
  • Bravo fungicides
alfalfa downy mildew1
Alfalfa - Downy Mildew

Control

  • Cut foliage in a timely manner
bramble orange rust1
Bramble - Orange Rust

Control

  • Remove infested plants, including roots
crucifers soft rot1
Crucifers - Soft Rot

Control

  • Prevent mechanical and insect injuries to plants
clover sclerotinia crown rot1
Clover - Sclerotinia Crown Rot

Control

  • No practical control
crucifers black leg1
Crucifers - Black Leg

Control

  • Use clean seeds
  • Hot water treatment
  • Rovral
grapes downy mildew1
Grapes - Downy Mildew

Control

  • Bordeaux
  • Fixed copper
plum black knot1
Plum - Black Knot

Control

  • Cut and destroy diseased parts
  • Spray with Captan
clover rust1
Clover - Rust

Control

  • No practical control
potato mosaic virus1
Potato - Mosaic Virus

Control

  • Use disease free seed
clover powdery mildew1
Clover - Powdery Mildew

Control

  • Use resistant varieties
cucurbits powdery mildew1
Cucurbits - Powdery Mildew

Control

  • Spray with Bravo
beans mosaic virus1
Beans - Mosaic Virus

Control

  • No chemical control.
  • Control weeds
  • Use disease free seed
cherry leaf spot1
Cherry - Leaf Spot

Control

  • Spray with Captan and Topsin-M mixed
bean rust1
Bean - Rust

Control

  • Sulfur dust
  • Bravo fungicides
  • Resistant varieties.
oats crown rust1
Oats - Crown Rust

Control

  • Use resistant varieties
oats loose smut1
Oats - Loose Smut

Control

  • Treat seed with suitable chemical
tomato wilt diseases1
Tomato - Wilt Diseases

Control

  • Use resistant varieties
cucurbits anthracnose1
Cucurbits - Anthracnose

Control

  • Mancozeb
  • Bravo fungicides
  • Topsin-M
cucurbits downy mildew1
Cucurbits - Downy Mildew

Control

  • Bravo fungicides
  • Mancozeb
  • Quadris
corn southern leaf blight1
Corn - Southern Leaf Blight

Control

  • Use resistant varieties
peach yellows1
Peach - Yellows

Control

  • Pull and destroy disease trees
corn grey leaf spot1
Corn - Grey Leaf Spot

Control

  • Use resistant varieties