单词 | nodulate |
释义 | nodulatev. Botany. 1. transitive. To produce root nodules on (a plant). ΘΚΠ the world > plants > part of plant > root > produce root nodules on [verb (transitive)] nodulate1939 1939 Soil Sci. 47 67 A velvet bean culture..produced nodules on six plant species included within the cowpea group yet did not nodulate three other plant members. 1973 Nature 17 Aug. 460/1 The Trema root nodule bacterium is the first of the rhizobia known to effectively nodulate a non-legume. 1998 Plant Cell 10 1233 Nodule-like outgrowths developed on transgenic L[otus] corniculatus plant roots in response to Bradyrhizobium japonicum, which nodulates soybean and not Lotus spp. 2. intransitive. Of a plant: to undergo nodulation. ΘΚΠ the world > plants > part of plant > root > be a root [verb (intransitive)] > undergo nodulation nodulate1956 1956 Biol. Rev. 31 111 The degree to which an individual plant can be induced to nodulate earlier by root exudates depends wholly upon its normal nodulating habit in their absence. 1968 J. Kleczkowska et al. in B. M. Gibbs & D. A. Shapton Identification Methods for Microbiologists II. 61 Only about 1200 species have been examined for the presence of nodules and not all of these nodulate. 1997 New Scientist 11 Jan. 25/2 Plants that don't nodulate—..such as rice and wheat—might one day be made to fix their own nitrogen and lose their dependence on chemical fertilisers. Derivatives ˈnodulating n. and adj. ΘΚΠ the world > plants > part of plant > root > [noun] > root nodule > producing root nodules nodulation1924 nodulating1944 1944 Proc. Soil Sci. Soc. Amer. 9 95 (heading) The nodulating performance of three species of legumes. 1960 Diss. Abstr. 20 3003/1 Experiments using..nodulating and non-nodulating soybeans were established. 1971 M. Alexander Microbial Ecol. xi. 259 The nodulating habit is particularly prominent among genera of Podocarpaceae, a family that includes trees important as timber. 2001 Jrnl. Agronomy & Crop Sci. 187 53 Nodulating soybean, lablab, green gram and black gram contributed to the yield. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < v.1939 |
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