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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
The interactions of tropical soda apple mosaic tobamovirus and Gratiana boliviana (Coleoptera: Chrysomelidae), an introduced biological control agent of tropical soda apple (Solanum viarum)
Biological Control, Volume 48, No. 3, Year 2009
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Description
Tropical soda apple (Solanum viarum Dunal (Solanaceae) is a South American invasive plant of rangelands, pastures and natural areas in Florida. A chrysomelid beetle from South America, Gratiana boliviana Spaeth, has been released at >300 locations in Florida for biological control of tropical soda apple since 2003. Tropical soda apple is a host of several plant viruses, including the newly described tropical soda apple mosaic virus (TSAMV). We investigated the influence of TSAMV infection of tropical soda apple plants on developmental time, leaf tissue consumption, longevity, fecundity, and feeding preference of G. boliviana, and also tested transmission of the virus by the beetle. Developmental time was approximately 10% slower, and adults consumed only about 50% as much leaf tissue, for beetles fed on infected plants compared to uninfected plants. Longevity did not differ between females reared on infected and uninfected plants, but females fed on uninfected plants produced 71% more eggs than those fed on infected plants. Adult G. boliviana preferentially fed on uninfected plants when given a choice. There was no evidence of TSAMV transmission by G. boliviana. The potential impacts of TSAMV infection on the effectiveness of G. boliviana as a biological control agent are discussed. © 2008 Elsevier Inc.
Authors & Co-Authors
Overholt, William Allan
United States, Gainesville
University of Florida
Rosskopf, Erin N.
United States, Washington, D.c.
United States Department of Agriculture
Adkins, Scott T.
United States, Washington, D.c.
United States Department of Agriculture
Statistics
Citations: 8
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1016/j.biocontrol.2008.10.018
ISSN:
10499644
Participants Gender
Female