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BioControl

, Volume 47, Issue 3, pp 349–361 | Cite as

Fungal communities and health status of roots of winter wheat cultivated after oats and oats mixed with other crops

  • Grzegorz LemanczykEmail author
  • Czeslaw Kazimierz Sadowski
Article

Abstract

Health status of winter wheat roots and thecomposition of wheat root fungi were studiedover 1996-1999 following the cultivation ofoats in a pure stand and mixed with otherplants as forecrops. The infection of wheatroots by >Gaeumannomyces graminis wasobserved to be largely dependent on the kind offorecrop; the best being oats in a pure stand,and then oats with pea or lupin mixtures. Inthe emergence and shooting phases, saprophyticfungi were dominant, while in the stage of harddough stage mainly pathogenic fungi, especially>G. graminis were common. The pathogenicfungi were mostly represented by >G.graminis and >Fusarium spp., while >Rhizoctonia spp. were much less frequent.The composition of the fungal communitydepended considerably on the forecrop anddevelopment phase of the plant. The kind offorecrop significantly affected the frequencyof infection by >G. graminis. The highestnumber of isolates was obtained from wheat rootsof crops grown after a mixture of oats andbarley.

forecrop mixture oats root fungi root-rot >Gaeumannomyces graminis take-all winter wheat 

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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • Grzegorz Lemanczyk
    • 1
    Email author
  • Czeslaw Kazimierz Sadowski
    • 1
  1. 1.Department of PhytopathologyUniversity of Technology and AgricultureBydgoszczPoland

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