North Carolina State University

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Strawberry Diagnostic Key

Integrated Pest Management

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Strawberry Rootworm details

Scientific Name(s): Paria fragariae

Strawberry Rootworm

Characteristics:

Type: Arthropod (or insect)
Roots: Chewing or boring damage
Plant Size: Stunted
Season: Harvest, Post harvest
Cropping System: Perennial matted row

Strawberry Viruses details

Scientific Name(s): Strawberry Mild Yellow Edge (SMYEV); Strawberry Mottle Virus (SMoV)

Strawberry Viruses

Characteristics:

Type: Disease
Leaf Condition: Distorted, Stunted
Leaf Color: Interveinal chlorosis, Complete chlorosis
Leaf Location: Entire leaf, Young
Fruit Condition: Deformed
Fruit Size: Small
Petioles Condition: Distorted, Lesion, Short or stunted
Petioles Color: Darkens, Red
Plant Size: Stunted
Field Distribution: Random
Season: Post transplant, Early spring, Pre harvest
Cropping System: Annual plasticulture, Perennial matted row

Sugarcane beetle details

Scientific Name(s): Euetheola humilis

Sugarcane beetle

Characteristics:

Type: Arthropod (or insect)
Fruit Condition: Holes or chewing damage
Season: Pre harvest, Harvest
Cropping System: Annual plasticulture, Perennial matted row

Sulfur Deficiency details

Sulfur Deficiency

Characteristics:

Type: Nutrition
Leaf Condition: Interveinal necrosis
Leaf Color: Pale green, Complete chlorosis
Leaf Location: Entire leaf, Young
Fruit Size: Small
Plant Size: Stunted

Sunburn details

Characteristics:

Type: Physiological
Fruit Condition: Lesion
Fruit Texture: Soft
Fruit Color: Light
Field Distribution: Uniform, Random, Localized
Prior Environmental: High temperature
Season: Harvest
Cropping System: Annual plasticulture, Perennial matted row

Water Damage details

Characteristics:

Type: Physiological
Fruit Condition: Lesion
Fruit Texture: Soft
Fruit Color: Light
Field Distribution: Uniform
Prior Environmental: Rain, Thunderstorm
Season: Harvest
Cropping System: Annual plasticulture

Whiteflies details

Scientific Name(s): Trialeurodoes vaporariorum, T. packardi, Aleyrodes spiroeoides

Characteristics:

Type: Arthropod (or insect)
Leaf Condition: Arthropods on young leaves
Field Distribution: Random
Season: Pre harvest, Harvest
Cropping System: Annual plasticulture, Perennial matted row

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This strawberry diagnostic key was developed with funding in part from the Strawberry Sustainability Initiative, the Walmart Foundation, University of Arkansas, Southern Region IPM Center, North Carolina State University Cooperative Extension Service and the North Carolina Strawberry Association.

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