| 单词 | auxin |
| 释义 | auxin noun[C] biologyspecializeduk/ˈɔːk.sɪn/us/ˈɑːk.sɪn/achemicalsubstancethatcontrolsgrowthinplants 茁长素（植物生长素）Plant pathology
auxin| American Dictionaryauxin noun[C] us/ˈɔk·sən/biology achemicalsubstancethatcontrolsgrowthinplants Examplesofauxinauxin Similar results were obtained usingauxinor kinetin but only those of the latter were presented. From theCambridge English Corpus Both induction and morphogenesis of cyst nematode feeding cells are mediated byauxin. From theCambridge English Corpus The principal growth regulators include auxins, abscisic acid, ethylene, cytokinins and gibberellins. From theCambridge English Corpus The auxins, cytokinins and their interaction are generally considered of great importance in regulating growth and organized development. From theCambridge English Corpus The ineffectiveness ofauxinas a germination stimulant indicates that there are different requirements. From theCambridge English Corpus Other suggestions have been made to explainauxinaccumulation during nematode infection, such as the release of auxins from auxin conjugates (inactive auxin forms). From theCambridge English Corpus The conditions were less in favour of cellular divisions (decreased hexose,auxinand cytokinin concentrations). From theCambridge English Corpus Auxin\\kinetin ratio was also found to be important in triggering the surface changes, especially at high concentrations. From theCambridge English Corpus He proved the existence in plants of a transportable compound (baptizedauxinand later shown to be indole-3-acetic acid) that was responsible for the regulation of elongation growth. From theCambridge English Corpus These observations suggest thatauxinsignalling is essential in both syncytium and giant cell formation and implies a change in the local auxin balance upon nematode infection. From theCambridge English Corpus However, its effect is much weaker than the effect of the basicauxinmolecule indole-3-acetic acid. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.It was first discovered that the plant hormoneauxinlikely regulates apical dominance in 1934. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.When cultured withauxinbut no cytokinin, they grow large but do not divide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Cytokinins act in concert withauxin, another plant growth hormone. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.She conducted extensive research into interactions between ethylene andauxin(another key plant hormone) in controlling numerous aspects of plant development. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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