Study

Colorado potato beetle response to soil amendments: a case in support of the mineral balance hypothesis?

  • Published source details Alyokhin A., Porter G., Groden E. & Drummond F. (2005) Colorado potato beetle response to soil amendments: a case in support of the mineral balance hypothesis?. Agriculture, Ecosystems & Environment, 109, 234-244.

Actions

This study is summarised as evidence for the following.

Action Category

Use crop rotation in potato farming systems

Action Link
Natural Pest Control
  1. Use crop rotation in potato farming systems

    A randomised, replicated study in 1999-2003 in Maine, USA (Alyokhin et al. 2005) found that numbers of Colorado potato beetle Leptinotarsa decemlineata larvae were not significantly different between a two-year rotation (potato Solanum tuberosum-barley Hordeum vulgare), an intensive four-year rotation (potato-soybean Glycine max-potato-barley) and an integrated four-year rotation (potato-soybean-barley-alfalfa Medicago sativa/timothy Phleum pratense) except in the final year of the experiment when the two-year rotation had significantly more large larvae (1.72 larvae/plant), compared to the integrated four-year rotation (1.51) and the intensive four-year rotation (1.45). The experiment used 96 plots, each 41 x 14.6 m, split into four blocks. Rotation treatments were randomised within each block. Imidacloprid was used for pest control on all plots as part of an integrated system, with thresholds for spraying of one adult, eight small larvae or three large larvae/plant.

     

Output references
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