Blackberry Diagnostic Tool
Department of Horticultural Science
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Blackberry Diagnostic Tool

Fruits Are Small, Deformed, or Crumbly

Tarnish plant bug can feed on and deform berries.

Mature fruit with deformed berries.

Virus infection can result in deformed berries or complete abortion of druplet development.

Druplets are splitting (occurs after rain when fruit is ripe)

 

Fruit have "leaves" emerging from druplets (unknown cause - possibly hormonal deficiency)

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Created by G.E. Fernandez November 2004; design by C.T. Glenn;
maintained by G.E. Fernandez; last revised on August 1, 2006