Abstract
IN this book, Prof. Molisch published shortly before his death an interesting account of a number of experiments he carried out to examine the effect exerted by one living plant upon another. His investigations do not deal with the so-called autogenetic radiations of Gurwitsch, of which he is a little sceptical, but have their starting-point in the known fact that, if early and late maturing apples are stored in close proximity, the latter arrive at maturity earlier than if they are stored separately. The same effect has also been observed in the case of pears. As it is known that ethylene is produced in the process of respiration of ripening fruits, it is probable that ethylene vapours are responsible for this phenomenon. Indeed Elmer, Huelin, Gane and other workers of the Food Investigation Board have not only proved the ripening effect of these ethylene-containing vapours of apples and other fruits, but have also shown that they inhibit the sprouting of potatoes and the growth of pea seedlings (see Gane, NATURE, 134, 1008 ; 1934). Experiments by Crocker in the United States have shown that epinasty of leaves can be induced by ethylene, and E. M. Harvey has determined the effect of ethylene on plant metabolism.
Der Einfluss einer Pflanze auf die Andere, Allelopathie
By Prof. Hans Molisch. Pp. viii + 106. (Jena: Gustav Fischer.) 4.50 gold marks.
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Der Einfluss einer Pflanze auf die Andere, Allelopathie. Nature 141, 493 (1938). https://doi.org/10.1038/141493a0
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DOI: https://doi.org/10.1038/141493a0
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