Document Detail


Use of systemic fipronil and imidacloprid to control regeneration pests of loblolly pine.
MedLine Citation:
PMID:  21882692     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Regeneration pests of loblolly pine (Pinus taeda L.) threaten growth and survival in intensively managed loblolly pine plantations throughout the southeastern United States. The Nantucket pine tip moth, Rhyacionia frustrana (Comstock), in particular, often reduces growth of loblolly pine but has been difficult to control with traditional insecticides due to multiple annual generations and multi-year infestations which are difficult to predict in timing and location. Relatively new systemic insecticide products offer a solution in that their efficacy persists through multiple generations and years after a single application. Efficacy of systemic imidacloprid and fipronil were evaluated side by side across multiple sites in Virginia. Significant reductions in Nantucket pine tip moth damage were noted in trees treated with either the imidacloprid or fipronil product compared with check trees. After 2 yr, growth improvement of treated trees relative to controls was modest and not significant at all sites, but per acre volume indices were significantly greater in treated blocks as a result of higher tree survival. Reduced seedling mortality was attributed primarily to prevention of damage by pales weevil, Hylobius pales Herbst (Coleoptera: Curculionidae), by both insecticide treatments. Control of pales weevil in addition to pine tip moth suggests that systemic insecticide products with a long window of efficacy might control additional nontargeted pests.
Authors:
Christopher Asaro; Jerre Creighton
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of economic entomology     Volume:  104     ISSN:  0022-0493     ISO Abbreviation:  J. Econ. Entomol.     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-09-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985127R     Medline TA:  J Econ Entomol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1272-9     Citation Subset:  IM    
Affiliation:
Virginia Department of Forestry, 900 Natural Resources Drive, Suite 800, Charlottesville, VA 22903, USA. chris.asaro@dof.virginia.gov
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