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Characterisation of rhizoctonia barepatch decline / Bronwyn Meg Wiseman.

Bibliography: leaves 184-209. / xx, 219 leaves : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / This thesis describes the occurence of natural, biologically based suppression of Rhizoctonia barepatch in a direct drilled system at Avon, South Australia. The supressive characteristics are transferable, removed by biocidal treatments, and active against increasing doses of R. solani AG-8, Gaeumannomyces graminis var. tritici and Fusarium graminearum. Disease severity and the viable population of Rhizoctonia are reduced in suppressive soil but the causal agent is still present. The microbial populations in suppressive and non-suppressive soil appear to differ both in their functioning and composition. The control strategy is developed through manipulation of the existing soil biota with farming practices. / Thesis (Ph.D.)--University of Adelaide, Dept. of Soil Science, 1996

Identiferoai:union.ndltd.org:ADTP/260037
Date January 1996
CreatorsWiseman, Bronwyn Meg
Source SetsAustraliasian Digital Theses Program
Languageen_US
Detected LanguageEnglish

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