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DeCS
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Descriptor English:
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Gravitropism
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Descriptor Spanish:
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Gravitropismo
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Descriptor Portuguese:
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Gravitropismo
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Synonyms English:
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Geotropism
Geotropisms
Gravitropisms
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Tree Number:
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G07.345.249.845.400
G15.920.400
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Definition English:
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The directional growth of organisms in response to gravity. In plants, the main root is positively gravitropic (growing downwards) and a main stem is negatively gravitropic (growing upwards), irrespective of the positions in which they are placed. Plant gravitropism is thought to be controlled by auxin (AUXINS), a plant growth substance. (From Concise Dictionary of Biology, 1990) |
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Indexing Annotation English:
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directional growth of a plant in response to gravity
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History Note English:
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95
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Allowable Qualifiers English:
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Record Number:
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32217
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Unique Identifier:
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D018522
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Occurrence in VHL:
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Similar:
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DeCS
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