2008
DOI: 10.1603/0022-0493(2008)101[1575:pfcblp]2.0.co;2
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Potato Field Colonization by Low-Density Populations of Colorado Potato Beetle as a Function of Crop Rotation Distance

Abstract: Monitoring of 10 and 12 commercial potato, Solanum tuberosum L., fields in 2004 and 2005, respectively, confirmed for a low-density population of Colorado potato beetle, Leptinotarsa decemlineata (Say), that potato fields nearest to the previous year's potato fields are significantly more colonized by this beetle than more distant fields. This pattern is partially explained by the presence of a reservoir of colonizers estimated at 35% of the season-long colonizing population in 2004 and 2005. These beetles, wh… Show more

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Cited by 13 publications
(8 citation statements)
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“…These kinds of model simulation do, however, not provide the full picture vis‐á‐vis the actual distribution (Ulrichs & Hopper, ). The annual cycle of an agricultural pest can be controlled by climate, but the abundance is regulated by land use (Cocu et al ., ; Boiteau et al ., ). Processed‐based ecosystem modelling can be used for simulating the interaction between host plant and insect pest, influenced by climate as well as other environmental factors (Strand, ; Maracchi et al ., ; Soussana et al ., ).…”
Section: Discussionmentioning
confidence: 99%
“…These kinds of model simulation do, however, not provide the full picture vis‐á‐vis the actual distribution (Ulrichs & Hopper, ). The annual cycle of an agricultural pest can be controlled by climate, but the abundance is regulated by land use (Cocu et al ., ; Boiteau et al ., ). Processed‐based ecosystem modelling can be used for simulating the interaction between host plant and insect pest, influenced by climate as well as other environmental factors (Strand, ; Maracchi et al ., ; Soussana et al ., ).…”
Section: Discussionmentioning
confidence: 99%
“…where T max is the daily maximum soil temperature, T min is the daily minimum soil temperature, and T base is the soil temperature threshold (10ЊC) for Colorado potato beetles (Mailloux et al 1988, de Kort 1990, McMaster and Wilhelm 1997, Boiteau et al 2008). In the spring of each sample year, SDDs were calculated from soil temperatures logged at a depth of 10 cm by the UW-ExtensionÕs Automated Weather Observation Network station at the Hancock Agricultural Research Station (UW-EX 2011).…”
Section: Methodsmentioning
confidence: 99%
“…Although crop rotation is not often thought of as a resistance management strategy for this insect, any reduction in the number of resistant L. decemlineata infesting a field could be considered a net improvement over a field that was not rotated. Estimates of the distance required to rotate potato for L. decemlineata control vary considerably, ranging from 400 to 1,500 m in distance from previous potato fields (Sexson and Wyman 2005;Weisz et al 1994Weisz et al , 1996Boiteau et al 2008). Although these distance estimates differ, the general consensus among researchers is that maximizing interannual potato separation will reduce the number of postdiapause adults infesting the crop (Huseth et al 2012), thereby reducing the number of resistant L. decemlineata that can reproduce on the crop and limiting exposure of offspring to insecticides.…”
Section: Text Box 1 Cultural Control Of Resistant L Decemlineatamentioning
confidence: 99%