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  • 标题:Forecasting ARIMA models for atmospheric vineyard pathogens in Galicia and Northern Portugal: Botrytis cinerea spores
  • 本地全文:下载
  • 作者:María Fernández-González ; Francisco Javier Rodríguez-Rajo ; Victoria Jato
  • 期刊名称:Annals of Agricultural and Environmental Medicine
  • 印刷版ISSN:1232-1966
  • 电子版ISSN:1898-2263
  • 出版年度:2012
  • 卷号:19
  • 期号:2
  • 页码:255-262
  • 出版社:Institute of Agricultural Medicine in Lublin
  • 摘要:Botrytis cinerea is the cause of the most common disease in the Galician and Portuguese vineyards. Knowledge of the spore levels in the atmosphere of vineyards is a tool for forecasting models of the concentration of spores in order to adjust the phytosanitary treatments to real risk infection periods. The presented study was conduc ted in two vineyards, one located in Cenlle (Spain) and other in Amares (Portugal), from 2005-2007. A volumetric trap, model Lanzoni VPPS-2000, was used for the aerobiological study. Phenological observations were conducted on 20 vines of three grape varieties in Cenlle (Treixadura, Godello and Loureira) and in Amares (Trajadura, Loureiro and Pedern.), by using the BBCH scale. The highest total spore concentrations during the grapevine cycle were recorded in 2007 in both locations (Cenlle:16,145 spores; Amares:1,858 spores), and the lowest, in 2005 in Cenlle (1,700 spores) and in Amares (800 spores) in 2006. In Cenlle, the best adjusted model was an ARIMA (0,2,2), including the relative humidity four days earlier, while in Amares there was an ARIMA (1,2,3), considering the relative humidity three days earlier and rainfall two days earlier. The t-test showed no significant difference between observed and predic ted data by the model
  • 关键词:Botrytis cinerea; ARIMA; Grapevine; Phenology
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