林木の落葉中に含まれる成長阻害物質(その1) : 針葉樹木の種子に対する発芽阻害作用

概要

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Considering that the growth-inhibiting substances are contained in the leaf-litter of Akamatsu (Pinus densiflora SIEB. et ZUCC.), Sugi (Crypromeria japonica D. DON.) and Hinoki (Chamaecyparis obtusa SIEB. et ZUCC.), the writer carried out experiments to ascertain whether these substances could inhibit the germination of seeds or not.The outline of the results is as follows : 1. The water extract from the leaf-litter could not only inhibit the germination of seeds, of the same species, but also could remarkably inhibit germination of others.2. The inhibiting effect of the water extract from the leaf-litter could be arranged in the order of Hinoki, Sugi and Akamatu.3. On the soil seed-bed which was admixed with the leaf-litter dust, it was recognized that the occurance of seedlings was few due to the effect of the inhibiting substances, and also the growth of seedlings was not very good.4. From the above-mentioned facts, it was considered that the inhibiting substances for the germination of seeds and the growth of seedlings were contained in the leaf-litter.
一般社団法人日本森林学会の論文
1954-02-25