QUANTITATIVE AND QUALITATIVE COMPARISONS OF FUSARIUM POPULATIONS IN CULTIVATED FIELDS AND NONCULTIVATED PARENT SOILS

Canadian Science Publishing - Tập 43 Số 8 - Trang 939-945 - 1965
Shirley M. Nash, William C. Snyder

Tóm tắt

In soils of the Salinas watershed Fusarium solani and Fusarium tricinctum were found only in the cultivated soils. Propagules of Fusarium oxysporum were numerous and varied in the cultivated fields but were relatively scarce and existed essentially as a single clone in the noncultivated soils. In the Castroville watershed both F. solani and F. oxysporum were recovered from noncultivated soils fairly frequently.The 'Gibbosum' cultivar of Fusarhim roseum, the most frequently isolated fusarium from field soils, was less common in the noncultivated soils.Other fusaria, such as Fusarium episphaeria and some cultivars of F. roseum, were about as numerous in the noncultivated as in the cultivated soils. The cultivation of these soils markedly affected the makeup of the fusarium populations in them.

Từ khóa


Tài liệu tham khảo

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Canadian Science Publishing

Tập 43 Số 8

939-945

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