Blackberry Diagnostic Tool
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Blackberry Diagnostic Tool

General Decline in Plant Vigor-Virus symptoms

Virus Symptoms

The range of virus symptoms of blackberries is wide. Here are some examples:

Symptoms with single infections

Tobacco ringspot virus (TRSV) in Arapaho

Tobacco ringspot virus (TRSV)

Impatiens necrotic spot virus (INSV) in Kiowa

Impatiens necrotic spot virus (INSV)

INSV in Tripe Crown

Impatiens necrotic spot virus (INSV)

Blackberry yellow vein virus (BYVaV)

Range of symptoms of blackberry yellow vein virus on several blackberry cultivars. These images are from field plants that could have had mixed infections though they tested negative for raspberry bush dwarf, tobacco ringspot, tomato ringspot, and strawberry necrotic shock viruses.

Blackberry yellow vein virus   Blackberry yellow vein virus

Arapaho

 

Nahavo

       
Blackberry yellow vein virus   Blackberry yellow vein virus

Choctaw

 

Kiowa

Multiple Infections

TRSV and INSV in Arapaho

TRSV and INSV

TRSV and INSV in Arapaho

TRSV and INSV

Unknown Virus - cane reddening and splitting

 

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Created by G.E. Fernandez November 2004; design by C.T. Glenn;
maintained by G.E. Fernandez; last revised on April 1, 2005