Study

The threat of parasitic nematodes to farm crops grown in various rotations and monoculture

  • Published source details Wolny S. (1992) The threat of parasitic nematodes to farm crops grown in various rotations and monoculture. Acta Academiae Agriculturae ac Technicae Olstenensis, Agricultura, 103-113.

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 1992 review on plant-parasitic nematodes (Nematoda) (Wolny 1992) found that crop rotations with low proportions of nematode host plants generally prevented nematode (pest) population build-up in soils. No sugar beet cyst nematodes Heterodera schachtii were found in a rotation where sugar beet Beta vulgaris was grown for one year out of six with other rotation crops that were non-hosts, but nematodes were found when sugar beet was grown at a higher frequency. No potato cyst nematodes Globodera rostochiensis were found in a five year rotation with one year of potato Solanum tuberosum followed by four years of non-host crops, but the nematode was present with two years of potato and present with increasing population density with three years of potato in every five. Population densities of cereal cyst nematode Heterodera avenae were low in rotations with 25 or 50% oats Avena sativa or rye Secale cereale (0-58 eggs and larvae/100 cm³ soil) but generally higher with 75% (9-280 eggs and larvae) or 100% oats or rye (29-920 eggs and larvae) although populations remained low at some sites growing rye. The review covered 23 studies, mostly from Eastern Europe.

     

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