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Interactions between common vole and winter rape.

Marta Heroldová1, Jan Šipoš2, Josef Suchomel2

  • 1Department of Forest Ecology, Mendel University in Brno, Brno, Czech Republic.

Pest Management Science
|August 21, 2020
PubMed
Summary

Winter rape fields support high common vole populations, extending their breeding season and overwintering success. This pest infestation impacts crops, especially with no-tillage farming practices.

Keywords:
Brassica napusMicrotus arvaliscrop damagedietlong-term population dynamicsspatial pattern

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Area of Science:

  • Agricultural Science
  • Ecology
  • Pest Management

Background:

  • Winter rape is a key European crop offering habitat and sustenance for common voles (Microtus arvalis) for approximately eight months annually.
  • Common vole populations can achieve high densities within winter rape fields, influencing agricultural ecosystems.
  • Large, widespread winter rape fields offer superior support for vole populations compared to winter cereals.

Purpose of the Study:

  • To review the ecological relationship between winter rape cultivation and common vole populations.
  • To understand how winter rape influences vole population dynamics, diet, and reproductive success.
  • To assess the impact of common voles on winter rape and the role of farming practices.

Main Methods:

  • Literature review synthesizing existing research on common voles and winter rape.
  • Analysis of factors influencing vole density, diet composition, and reproductive patterns.
  • Examination of the correlation between vole impact and population density.
  • Investigation into the effects of agricultural practices, such as no-tillage, on vole infestation.

Main Results:

  • Common vole populations reach high densities in winter rape fields.
  • Winter rape provides a high-quality diet, enabling extended breeding seasons and successful overwintering for voles.
  • Vole diet primarily consists of winter rape's green vegetative parts; weed consumption varies with weed coverage.
  • The impact of voles on winter rape is directly correlated with vole population density.
  • No-tillage farming practices significantly enhance common vole infestation in winter rape, leading to potential damage in adjacent crops.

Conclusions:

  • Winter rape cultivation creates favorable conditions for high common vole densities, impacting crop yield.
  • Understanding the vole-rape interaction is crucial for effective pest management strategies in agriculture.
  • No-tillage farming exacerbates common vole problems in winter rape, necessitating integrated pest management approaches.