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Call For Abstracts

Notice – Abstract submission is now closed

Important Note: Due to the finite duration of the conference, not all submissions can be considered for oral presentations. The Abstract Review Committee will review the abstracts and select the abstracts that will be requested as oral presentations. The balance of the abstracts will be assigned to associated poster sessions. Authors will be contacted after November 15, 2010 to inform them if their submission is requested as an oral presentation or poster.

Researchers are invited to submit abstracts of 250 words or less for the meeting (multiple abstracts allowed). Each abstract should be prepared for standard 8.5X11 inch US format paper, 12 pt ‘Times New Roman’ font, single-spaced, as a Microsoft Word document. Abstracts should comply with the following outline:

Abstract Title (in bold type)

Blank Line
Author(s) and affiliation(s) [Presenting author’s name should be indicated in bold type]
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Body of Text
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Citations

Example:

Spatial Distribution of Huanglongbing Symptomatic Trees in Citrus Groves in São Paulo, Brazil

Bassanezi, R.B.1, Busato, L.A.1, Bergamin Filho, A.2, Amorim, L.2, Gottwald, T.R.3 1Fundecitrus, Araraquara, Brazil; 2ESALQ/Universidade de São Paulo, Piracicaba, Brazil; 3USDA-ARS, Fort Pierce, USA

Huanglongbing (HLB) was reported in 2004 in São Paulo, Brazil and Candidatus Liberibacter asiaticus and Ca. L. americanus, were found associated with the disease with prevalence of the second species. The Asian psyllid vector of Ca. L. asiaticus, Diaphorina citri Kuwayama, reached Brazil 60 years ago, is well established in São Paulo orchards, and is probably the main candidate of HLB-agent vector in Brazil. However, due to its recent report in Brazilian orchards, the transmission of Ca. Liberibacter ssp. by D. citri in Brazil is not yet confirmed and no data is available with regard to HLB spatial distribution in Brazil. Assessments of diseased trees by visual symptoms were made in 36 groves from 8 farms in the central citrus region of São Paulo State. 155 HLB spatial maps (varying from 0.14 to 25.99% of disease incidence) were analysed, considering quadrat sizes of 2×2, 4×4, 6×6 and 8×8 trees, by ordinary runs analysis, binomial index of dispersion and binary form of Taylor’s power law. Aggregation among HLB-symptomatic trees was detected by ordinary runs analysis, with clustering existed in both within- and across-rows directions. However the percentage of aggregation within- and across-rows were low. The binomial index of dispersion for various quadrant sizes suggested aggregation of HLB-symptomatic trees for about 40% of the plots. The relationship between log(observed variance) and log(binomial variance) was highly significant for all four quadrat sizes. Estimated parameters of the binary form of Taylor’s power law provided an overall measure of aggregation of HLB-symptomatic trees for all quadrant sizes tested.

Citations


Instructions on the Abstract upload process will be emailed to all prospective attendees in early August. Abstract submission will open September 3, 2010 and will extend through November 5, 2010.

Topic Categories:

Abstracts will be compiled by category and published as Proceedings of the International Research Conference on HLB (IRCHLB). The Proceedings will be made available to conference attendees and as a downloadable pdf document online at the IRCHLB Website following the meeting.

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