Rate, placement and timing of aldicarb applications to control Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), in oranges.

Rate, placement and timing of aldicarb applications to control Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), in oranges. Research Abstract Details 

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Rate, placement and timing of aldicarb applications to control Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), in oranges. Abstract Text:

BACKGROUND: The Asian citrus psyllid (ACP), Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is a cosmopolitan insect pest of citrus and vectors the bacterium Candidatus Liberibacter asiaticus, a suspected causal organism of citrus greening or 'huanglongbing' disease. Aldicarb 150 g kg(-1) GR (Temik((R)) 15 G) was evaluated at three rates, two placements and three timings for ACP control in orange trees.RESULTS: Application of aldicarb at 5.6, 2.8 and 1.4 kg AI ha(-1) in March 2006 reduced adults by 58-66%, 45-46% and 25-37% respectively compared with untreated controls in two separate trials. No difference was observed in placement (one versus two sides of the tree) or tree size (8 years old versus 12 years old). Application at 5.6 kg ha(-1) in January 2007 reduced adults by 86% and shoot infestation by 77% in spring, and was generally better than the November and especially February applications. Even more striking results were evident on adults caged on treated plants for 25 days in March. Spiders and ladybeetles were equally abundant in treated and untreated trees.CONCLUSION: Aldicarb application at 5.6 kg ha(-1) to the bed side of mature citrus trees 2-3 months before spring growth can suppress ACP through spring without a direct effect on principal psyllid natural enemies. Copyright (c) 2008 Society of Chemical Industry.

Rate, placement and timing of aldicarb applications to control Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), in oranges. Publishing Authors By Initials

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Rate, placement and timing of aldicarb applications to control Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), in oranges. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Pest management science

VOLUME: 64

Page Numbers: 1159-69

Journal Abbreviation: Pest Manag. Sci.

ISSN: 1526-498X

DAY: 7

MONTH: Nov

YEAR: 2008

Rate, placement and timing of aldicarb applications to control Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), in oranges. Information

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LANGUAGE: eng

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AFFILIATION: Southwest Florida Research and Education Center, Department of Entomology and Nematology, University of Florida/IFAS, 2686 SR 29N, Immokalee, FL 34142, USA.

Country: England

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MEDLINETA: Pest Manag Sci

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