1996
DOI: 10.1111/j.1365-2338.1996.tb01499.x
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ONIMIL, a forecaster for primary infection of downy mildew of onion 1

Abstract: Onion downy mildew, caused by Peronospora destructor, can be controlled effectively only when sprays are begun in the infection period following first sporulation. Systems analysis was applied to the onion/P. destructor pathosystem in order to understand better the relationships between the factors influencing the establishment of primary infection. A preliminary model able to forecast primary infection, ONIMIL (ONIon downy MILdew), was developed. This model was able to determine, for each day, the probability… Show more

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Cited by 14 publications
(7 citation statements)
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“…The environmental requirements for infection and sporulation by P. destructor have been reported (Yarwood 1937(Yarwood , 1943Hildebrand and Sutton 1982). Mathematical models describing climatic effects on sporulation and infection have been described (Gilles et al 2004;Battilani et al New approaches in forecasting diseases of onion crops based on estimation of spore numbers in air samples have been reported (Carisse et al 2005;Berger 1970). Detection and quantification of airborne spore numbers can be used to predict disease accurately before it is visible in the crop.…”
Section: Introductionmentioning
confidence: 97%
“…The environmental requirements for infection and sporulation by P. destructor have been reported (Yarwood 1937(Yarwood , 1943Hildebrand and Sutton 1982). Mathematical models describing climatic effects on sporulation and infection have been described (Gilles et al 2004;Battilani et al New approaches in forecasting diseases of onion crops based on estimation of spore numbers in air samples have been reported (Carisse et al 2005;Berger 1970). Detection and quantification of airborne spore numbers can be used to predict disease accurately before it is visible in the crop.…”
Section: Introductionmentioning
confidence: 97%
“…For onion downy mildew, infection has been reported at temperatures from 1 to 28°C (Yarwood, 1943). The range of 1–28°C is used in two other models ONIMIL (Battilani et al., 1996a,b) and ZWIPERO (Friedrich et al., 2003). The lower limit for infection was reduced to 2°C for POPCAST1, but not for POPCAST2 as calculation was only improved by a single time period.…”
Section: Discussionmentioning
confidence: 99%
“…The model DOWNCAST developed in Canada by Jesperson and Sutton (1987), has been adapted for the Netherlands (de Visser, 1998) and Australia (Fitz Gerald and O’Brien, 1994). Other models developed for onion downy mildew include ONIMIL (Battilani et al., 1996a,b), ZWIPERO (Friedrich et al., 2003) and MILIONCAST (Gilles et al., 2004). In this study, DOWNCAST as described by Jesperson and Sutton (1987), and modified by de Visser (1998), was further refined and evaluated for its ability to predict P. cristata epidemics in poppy.…”
Section: Introductionmentioning
confidence: 99%
“…The ONIMIL forecasting model for primary infections was elaborated (Battilani et al, 1996a) and validated at some locations in Emilia-Romagna (Battilani et al, 1996b), where its outputs are used in preparing warnings. Recently, the model was also validated in Lombardia (Battilani et al, 1998).…”
Section: Onionmentioning
confidence: 99%