Concept information
Preferred term
Gravitropism
Type
-
Topical Descriptor
Broader concept
Entry terms
- Geotropism
- Geotropisms
Note
- directional growth of a plant in response to gravity
Scope note
- 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)
History note
- 95
In other languages
-
Finnish
-
Swedish
URI
http://www.yso.fi/onto/mesh/D018522
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