THE APPLICATION OF A NUTRITIONAL GROUPING METHOD TO SOIL FUNGI

Author:

Atkinson R. G.,Robinson J. B.

Abstract

In tests with seven different liquid media in which the common nitrogen source was potassium nitrate and the carbohydrate substrate was glucose, at a concentration of only 0.1%, most of the 1914 soil fungi isolated fell into one of three nutritional groups requiring, respectively, for maximum growth amino acids, amino acids plus growth factors, or yeast extract. Relatively few isolates required growth factors alone or a combination of yeast and soil extracts. Most of the isolates grew poorly in the basal medium containing only mineral salts, and glucose, with or without soil extract. Although fungi requiring yeast extract were much less frequently isolated from soil on, rather than remote from, tubers grown in a soybean green-manured plot, isolates requiring amino acids, or yeast plus soil extracts, were correspondingly increased on immature and mature tubers, respectively. In a second plot, however, not specially treated, no differences were observed in the nutritional spectra of fungi isolated from the two kinds of soil environment.

Publisher

Canadian Science Publishing

Subject

Plant Science

Reference3 articles.

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Amino acid transport into fungi: An essay;Transactions of the British Mycological Society;1976-12

2. Soil Micro-Organisms and Plant Roots;Soil Biology;1967

3. Das Pilzspektrum einer Bodenprobe;Archiv f�r Mikrobiologie;1960

4. Das Pilzspektrum einer Bodenprobe;Archiv f�r Mikrobiologie;1960

5. AN INVESTIGATION OF THE MYCOFLORA IN THE SOIL OF SOME MANGROVE SWAMPS;Acta Botanica Neerlandica;1958-12

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