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172:. The broom growths may last for many years, typically for the life of the host plant. If twigs of witch's brooms are grafted onto normal rootstocks, freak trees result, showing that the attacking organism has changed the inherited growth pattern of the twigs.
140:. The growth of an offshoot is limited by the auxin, while that of the parent branch is not. In cases of witch's broom, the normal hierarchy of buds is interrupted, and apices grow indiscriminately. This can be caused by
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Gomez, G.G.; Conci, L.R.; Ducasse, D.A.; Nome, S.F. (1996). "Purification of the
Phytoplasma Associated with China-tree (
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Purdy, L.H.; Schmidt, R.A. (1996). "Status Of Cacao
Witches' Broom: Biology, Epidemiology, and Management".
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291:"Advances in Tissue Culture and Eliminating of the Pathogeny of Witch Broom Disease(MLO) of Chinese Jujube"
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which interferes with growth regulation. The phenomenon can also be caused by other organisms, including
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or basidiomycetes, are economically important in a number of crop plants, including the cocoa tree
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L.) Decline and the
Production of a Polyclonal Antiserum for its Detection".
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Witches' brooms provide nesting habitat for birds and mammals, such as the
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grows from a single point, with the resulting structure resembling a
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A tree's characteristic shape, or habit, is in part the product of
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413:"Maintaining wildlife habitat in the boreal forest of Alaska"
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372:. Pub. London : Drive Publications, (1973). p. 519.
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Li Yun; Wang Yu; Tian
Yanting & Sun Haoyuan (2001).
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236:, a related plant growth abnormality affecting flowers
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Diseases with symptoms of witches' broom, caused by
136:, hormones which control the growth of secondary
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202:– a shoot that develops from buds under the bark
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222:can cause different kinds of witch's brooms.
66:Witch's broom in Yamaska National Park, QC
230:, cause of witch's broom disease in cacao
26:For a broom associated with witches, see
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97:. It is sometimes caused by pathogens.
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212:Longan witches broom-associated virus
411:Paragi, Thomas; Rodman, Sue (2020).
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194:Plant development § buds and shoots
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420:Alaska Department of Fish and Game
391:Alaska Department of Fish and Game
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16:Type of deformity in a woody plant
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256:Annual Review of Phytopathology
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268:10.1146/annurev.phyto.34.1.573
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58:Witch's broom on a white pine.
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482:Plant pathogens and diseases
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384:"Northern Flying Squirrel"
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382:Mowry, Robert A. (2008).
342:Journal of Phytopathology
227:Moniliophthora perniciosa
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182:northern flying squirrel
19:Not to be confused with
184:, which nests in them.
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118:) and the timber tree
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30:. For the nebula, see
452:at Wikimedia Commons
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467:Fir and spruce broom
77:is a deformity in a
32:Witch's Broom Nebula
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41:Witch's brooms on
448:Media related to
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79:woody plant
43:downy birch
301:2013-08-08
241:References
219:Melampsora
21:Mistletoes
162:nematodes
154:oomycetes
142:cytokinin
476:Category
461:BBC h2g2
276:15012557
234:Phyllody
188:See also
170:viruses
426:2 June
396:2 June
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168:, and
138:apices
134:auxins
128:Causes
112:jujube
87:shoots
416:(PDF)
387:(PDF)
158:mites
150:fungi
91:broom
28:Besom
428:2020
398:2020
323:help
272:PMID
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