Root crown: Difference between revisions
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{{Short description|Intersection between the root and the stem}} |
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A '''root crown''' is that part of a [[root]] system from which a stem arises. Since roots and stems have quite different [[vascular tissue|vascular]] anatomies, major vascular changes take place at this point. |
A '''root crown''', also known as the '''root collar''' or '''root neck''', is that part of a [[root]] system from which a stem arises. Since roots and stems have quite different [[vascular tissue|vascular]] anatomies, major vascular changes take place at this point. |
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Root-crown temperature has been found to affect plant growth and physiology in a number of ways.<ref name="Schwarz 1972">{{cite journal | author = Schwarz, Meier | year = 1972 | title = Influence of root crown temperature on plant development | journal = Plant and Soil | volume = 37 | issue = 2 | pages = 435–439 | doi = 10.1007/BF02139988}}</ref> |
Root-crown temperature has been found to affect plant growth and physiology in a number of ways.<ref name="Schwarz 1972">{{cite journal | author = Schwarz, Meier | year = 1972 | title = Influence of root crown temperature on plant development | journal = Plant and Soil | volume = 37 | issue = 2 | pages = 435–439 | doi = 10.1007/BF02139988| s2cid = 420759 }}</ref> Root crowns need to be exposed and 'breathe'; this is one way that some plants take in oxygen. |
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A number of pests and diseases affect specifically this part of the plant, including [[root-crown rot]] (or root-crown fungus) and a number of species of [[root-crown weevil]]. |
A number of pests and diseases affect specifically this part of the plant, including [[root-crown rot]] (or root-crown fungus)<ref>[https://pddc.wisc.edu//wp-content/blogs.dir/39/files/Fact_Sheets/FC_PDF/Root_and_Crown_Rots.pdf Root and Crown Rots]. University of Wisconsin Garden Facts.</ref> and a number of species of [[root-crown weevil]]. |
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The root crown area usually appears |
The root crown area usually appears swollen, tapered, constricted or very thin - as well as a combination of these. The area of the root crown is usually located around or at the soil level and can be vaguely or clearly apparent.<ref>{{Cite web|url=http://www.cactus-art.biz/note-book/Dictionary/Dictionary_R/dictionary_root_crown.htm|title = Root crown}}</ref> |
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==References== |
==References== |
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{{plant-morphology-stub}} |
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[[da:Rodhals (plantedel)]] |
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Latest revision as of 22:02, 19 August 2023
A root crown, also known as the root collar or root neck, is that part of a root system from which a stem arises. Since roots and stems have quite different vascular anatomies, major vascular changes take place at this point.
Root-crown temperature has been found to affect plant growth and physiology in a number of ways.[1] Root crowns need to be exposed and 'breathe'; this is one way that some plants take in oxygen.
A number of pests and diseases affect specifically this part of the plant, including root-crown rot (or root-crown fungus)[2] and a number of species of root-crown weevil.
The root crown area usually appears swollen, tapered, constricted or very thin - as well as a combination of these. The area of the root crown is usually located around or at the soil level and can be vaguely or clearly apparent.[3]
References
[edit]- ^ Schwarz, Meier (1972). "Influence of root crown temperature on plant development". Plant and Soil. 37 (2): 435–439. doi:10.1007/BF02139988. S2CID 420759.
- ^ Root and Crown Rots. University of Wisconsin Garden Facts.
- ^ "Root crown".
.svg){kind=small} | This plant morphology article is a stub. You can help Wikipedia by expanding it. |