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单词 ballistospore
释义

ballistosporen.

Brit. /bəˈlɪstə(ʊ)spɔː/, U.S. /bəˈlɪstoʊˌspɔr/, /bəˈlɪstəˌspɔr/
Origin: A borrowing from French. Etymon: French ballistospore.
Etymology: < French ballistospore (H. G. Derx, at the suggestion of M. A. Donk, 1948, in Bull. Bot. Gardens, Buitenzorg 17 468) < post-classical Latin ballisticus ballistic adj. + French -o- -o- connective + spore spore n. The spore is so called on account of its forcible ejection on maturity.
A spore, produced by certain fungi and slime moulds, which is forcibly ejected on maturity.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > type of > other types of spore
aplanospore1884
gymnospore1885
dictyospore1931
ballistospore1949
1949 Mycologia 41 688 The term ‘ballistospore’ has been used..to include those spores of the basidomycetes that are forcibly abjected at maturity by the drop-excretion mechanism studied by Buller.
1970 J. Webster Introd. Fungi iv. 339 Sporobolomyces roseus..can be isolated readily by placing senescent plant material (e.g. a grass leaf) over nutrient agar. Ballistospores projected from the surface of the leaf colonise the agar.
1995 Mycol. Res. 99 833 The mechanism of ballistospore self-propulsion by basidiomycetes involves the hygroscopic adsorption of water vapor by a drop of liquid (Buller's drop) on the hilar appendix of the spore.
2005 Jrnl. Gen. Plant Pathol. 71 247 Disease development of edible burdock plants exposed to ballistospores of I. perplexans was evaluated.
This is a new entry (OED Third Edition, June 2008; most recently modified version published online December 2021).
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n.1949
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