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Implications of ethylene production by bacteria for biological balance of soil

Abstract

ETHYLENE in soil causes fungistasis1, affects the growth of bacteria, actinomycetes and nematodes (unpublished data) and consequently must influence many soil biological processes. Mucor hiemalis has been proposed as a major producer of ethylene in soil2 although earlier work suggested that facultative anaerobes may be involved3. Our studies show clearly that the main production of ethylene in soil is by spore-forming bacteria in anaerobic microsites. These bacteria seem to be an integral part of a self-regulating cycle in soil controlling microbial activity and with far-reaching implications for the biological balance of soil.

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SMITH, A., COOK, R. Implications of ethylene production by bacteria for biological balance of soil. Nature 252, 703–705 (1974). https://doi.org/10.1038/252703b0

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