Agronomic Crops
- Cotton
- Corn
- Peanuts
- Rice
- Soybeans
- Stored Products
- Sugarcane
- Sunflowers and Canola
- Tobacco
- Wheat

Vegetables
- Asparagus
- Beans
- Broccoli
- Cabbage
- Cantaloupe
- Carrot
- Cucumber
- Eggplant
- General Vegetables
- Lettuce
- Lima Bean
- Okra
- Onions
- Peppers
- Potato
- Southern peas
- Spinach
- Squash, Pumpkins and Gourds
- Sugar Beet
- Sweet corn
- Sweetpotato
- Tomato
- Turnip
- Watermelon

Fruits and Nuts
- Almond
- Apple
- Banana
- Blackberry, Raspberry, Brambles
- Blueberry
- Cherry
- Chestnuts
- Citrus
- Coconut
- Coffee
- General Fruits and Nuts
- Grape
- Hops
- Mango
- Minor Fruits
- Minor Nuts
- Olive
- Peaches and Nectarines
- Pears
- Pecan
- Pineapple
- Plum
- Strawberry
- Walnuts

Ornamentals

Other Crops

Taxonomy
- Animals
- Bacteria
- Fungi
- Plants
- Viruses
- Water molds
- Protozoa
- Other Damage Agents

Damage Types

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Symptoms (32)

Asexual Spore (1)

Sign (1)

Survey (1)

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Field (26)
Laboratory (9)

Author:

Jason Brock (32)

David B. Langston (2)

Gerald Holmes (1)

Vegetables: Watermelon

Remove Filters: Peronosporales^(X) 3 Sizes Available^(X)

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Subject	Scientific Name	Images
downy mildew	Pseudoperonospora cubensis	11
Phytophthora blight	Phytophthora capsici	24