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183:. 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.
151:. 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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302:"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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96:, where the natural structure of the plant is changed. A dense mass of
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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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424:"Maintaining wildlife habitat in the boreal forest of Alaska"
383:. Pub. London : Drive Publications, (1973). p. 519.
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Li Yun; Wang Yu; Tian
Yanting & Sun Haoyuan (2001).
247:, a related plant growth abnormality affecting flowers
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Diseases with symptoms of witches' broom, caused by
147:, hormones which control the growth of secondary
213:– a shoot that develops from buds under the bark
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233:can cause different kinds of witch's brooms.
77:Witch's broom in Yamaska National Park, QC
241:, cause of witch's broom disease in cacao
37:For a broom associated with witches, see
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108:. It is sometimes caused by pathogens.
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223:Longan witches broom-associated virus
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422:Paragi, Thomas; Rodman, Sue (2020).
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205:Plant development § buds and shoots
431:Alaska Department of Fish and Game
402:Alaska Department of Fish and Game
365:10.1111/j.1439-0434.1996.tb00327.x
27:Type of deformity in a woody plant
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381:Book of the British Countryside
267:Annual Review of Phytopathology
279:10.1146/annurev.phyto.34.1.573
69:Witch's broom on a white pine.
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493:Plant pathogens and diseases
207:– atypical shoot development
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395:"Northern Flying Squirrel"
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393:Mowry, Robert A. (2008).
353:Journal of Phytopathology
238:Moniliophthora perniciosa
193:northern flying squirrel
30:Not to be confused with
195:, which nests in them.
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129:) and the timber tree
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41:. For the nebula, see
463:at Wikimedia Commons
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478:Fir and spruce broom
88:is a deformity in a
43:Witch's Broom Nebula
18:Witches' broom
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52:Witch's brooms on
459:Media related to
359:(9–10): 473–477.
59:Taphrina betulina
16:(Redirected from
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167:, insects,
90:woody plant
54:downy birch
312:2013-08-08
252:References
230:Melampsora
32:Mistletoes
173:nematodes
165:oomycetes
153:cytokinin
487:Category
472:BBC h2g2
287:15012557
245:Phyllody
199:See also
181:viruses
437:2 June
407:2 June
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179:, and
149:apices
145:auxins
139:Causes
123:jujube
98:shoots
427:(PDF)
398:(PDF)
169:mites
161:fungi
102:broom
39:Besom
439:2020
409:2020
334:help
283:PMID
155:, a
106:nest
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