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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Family:

Peronosporaceae (2)

Pythiaceae (1)

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Descriptor:

Symptoms (28)

Root(s) (2)

Seedling(s) (2)

Stem(s) (1)

Survey (1)

Author:

Jason Brock (24)

Gerald Holmes (6)

David B. Langston (2)

Don Ferrin (1)

Howard F. Schwartz (1)

Sizes Available:

3 sizes(26)
5 sizes(8)

Vegetables: Watermelon

Remove Filters: Peronosporales^(X) Field^(X)

34 Images of 3 Subjects

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Subject	Scientific Name	Images
downy mildew	Pseudoperonospora cubensis	10
Phytophthora blight	Phytophthora capsici	18
Pythium diseases	Pythium spp.	6