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- Cluster_root abstract "Proteoid roots, also known as cluster roots, are plant roots that form clusters of closely spaced short lateral rootlets. They may form a two- to five-centimetre-thick mat just beneath the leaf litter. They enhance nutrient uptake, possibly by chemically modifying the soil environment to improve nutrient solubilisation. As a result, plants with proteoid roots can grow in soil that is very low in nutrients, such as the phosphorus-deficient native soils of Australia.They were first described by Adolf Engler in 1894, after he discovered them on plants of the family Proteaceae growing in Leipzig Botanic Gardens. In 1960, Helen Purnell examined 44 species from ten Proteaceae genera, finding proteoid roots in every genus except Persoonia; she then coined the name "proteoid roots" in reference to the plant family in which it was known to occur. Proteoid roots are now known to occur in 27 different Proteaceae genera, plus around 30 species from other families, including Betulaceae, Casuarinaceae, Eleagnaceae, Leguminosae, Moraceae and Myricaceae. Similar structures also occur in species of Cyperaceae and Restionaceae, but their physiology is yet to be studied.Two forms are recognised: simple cluster roots form rootlets only along a root; compound cluster roots form the primary rootlets, and also form secondary rootlets on the primary rootlets.Some Proteaceae, such as Banksia and Grevillea, are valued by the horticulture and floriculture industries. In cultivation, only slow-release low-phosphorus fertilizers should be used, as higher levels cause phosphorus toxicity and sometimes iron deficiency, leading to plant death. Crop management should minimise root disturbance, and weed control should be via slashing or contact herbicides.Many plants with proteoid roots have economic value. Cultivated crops with proteoid roots include Lupinus and Macadamia.".
- Cluster_root thumbnail Leucospermum_cordifolium_proteoid_roots_290805.jpg?width=300.
- Cluster_root wikiPageExternalLink 693.
- Cluster_root wikiPageExternalLink fulltext.pdf.
- Cluster_root wikiPageID "7815490".
- Cluster_root wikiPageLength "4230".
- Cluster_root wikiPageOutDegree "28".
- Cluster_root wikiPageRevisionID "624035037".
- Cluster_root wikiPageWikiLink Adolf_Engler.
- Cluster_root wikiPageWikiLink Australia.
- Cluster_root wikiPageWikiLink Banksia.
- Cluster_root wikiPageWikiLink Betulaceae.
- Cluster_root wikiPageWikiLink Casuarinaceae.
- Cluster_root wikiPageWikiLink Category:Plant_roots.
- Cluster_root wikiPageWikiLink Cyperaceae.
- Cluster_root wikiPageWikiLink Eleagnaceae.
- Cluster_root wikiPageWikiLink Fabaceae.
- Cluster_root wikiPageWikiLink Fertilizer.
- Cluster_root wikiPageWikiLink Floriculture.
- Cluster_root wikiPageWikiLink Genus.
- Cluster_root wikiPageWikiLink Grevillea.
- Cluster_root wikiPageWikiLink Horticulture.
- Cluster_root wikiPageWikiLink Iron.
- Cluster_root wikiPageWikiLink Leguminosae.
- Cluster_root wikiPageWikiLink Leipzig_Botanic_Gardens.
- Cluster_root wikiPageWikiLink Leipzig_Botanical_Garden.
- Cluster_root wikiPageWikiLink Lupinus.
- Cluster_root wikiPageWikiLink Macadamia.
- Cluster_root wikiPageWikiLink Moraceae.
- Cluster_root wikiPageWikiLink Myricaceae.
- Cluster_root wikiPageWikiLink Persoonia.
- Cluster_root wikiPageWikiLink Phosphorus.
- Cluster_root wikiPageWikiLink Physiology.
- Cluster_root wikiPageWikiLink Plant.
- Cluster_root wikiPageWikiLink Proteaceae.
- Cluster_root wikiPageWikiLink Restionaceae.
- Cluster_root wikiPageWikiLink Root.
- Cluster_root wikiPageWikiLink File:Leucospermum_cordifolium_proteoid_roots_290805.jpg.
- Cluster_root wikiPageWikiLinkText "Cluster root".
- Cluster_root wikiPageWikiLinkText "cluster root".
- Cluster_root wikiPageWikiLinkText "proteoid roots".
- Cluster_root wikiPageWikiLinkText "proteoid".
- Cluster_root hasPhotoCollection Cluster_root.
- Cluster_root wikiPageUsesTemplate Template:Reflist.
- Cluster_root subject Category:Plant_roots.
- Cluster_root hypernym Roots.
- Cluster_root type Article.
- Cluster_root type Band.
- Cluster_root type Article.
- Cluster_root comment "Proteoid roots, also known as cluster roots, are plant roots that form clusters of closely spaced short lateral rootlets. They may form a two- to five-centimetre-thick mat just beneath the leaf litter. They enhance nutrient uptake, possibly by chemically modifying the soil environment to improve nutrient solubilisation.".
- Cluster_root label "Cluster root".
- Cluster_root sameAs Proteoidwurzeln.
- Cluster_root sameAs Raíz_proteoide.
- Cluster_root sameAs Racine_protéoïde.
- Cluster_root sameAs Radici_proteoidi.
- Cluster_root sameAs Korzeń_proteoidowy.
- Cluster_root sameAs Raiz_proteoide.
- Cluster_root sameAs m.026d_s9.
- Cluster_root sameAs Q748536.
- Cluster_root sameAs Q748536.
- Cluster_root wasDerivedFrom Cluster_root?oldid=624035037.
- Cluster_root depiction Leucospermum_cordifolium_proteoid_roots_290805.jpg.
- Cluster_root isPrimaryTopicOf Cluster_root.