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Accumulation of hyperparasites of Rhizoctonia solani by addition of live mycelium of R. solani to soil

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Abstract

Addition of live mycelium ofRhizoctonia solani to three slightly, acid sands collected in winter from a field after a previous potato crop resulted in accumulation of hyperparasites and less infestation of sprouts of infected seed potatoes.

A similar effect was observed in alkaline marine sandy loam soils, but only after a second addition of live mycelium.

The predominant hyperparasite in these experiments wasVerticillium biguttatum.

Samenvatting

Toevoeging van levend mycelium vanRhizoctonia solani aan licht zure zandgronden, in de winter verzameld van velden na een aardappelteelt, leidde tot een ophoping van hyperparasieten en een afneme vanR. solani en resulteerde uiteindelijk in bescherming van aardappelspruiten tegenR. solani. Dit effect werd ook in mariene zavels waargenomen, echter pas na een tweede toevoeging van mycelium.

Verticillium biguttatum bleek de meest voorkomende hyperparasiet te zijn.

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Authors and Affiliations

  1. Institute for Soil Fertility, P.O. Box 30003, 9750 RA, Haren (Gr.), the Netherlands

    P. H. J. F. Van Den Boogert & G. Jager

Authors
  1. P. H. J. F. Van Den Boogert
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  2. G. Jager
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Van Den Boogert, P.H.J.F., Jager, G. Accumulation of hyperparasites of Rhizoctonia solani by addition of live mycelium of R. solani to soil. Netherlands Journal of Plant Pathology 89, 223–228 (1983). https://doi.org/10.1007/BF01976788

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  • DOI: https://doi.org/10.1007/BF01976788

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