Culture and use of black locust

Thomas E Degomez, Michael R. Wagner

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Robinia L. (locust) species are among the most widely planted tree species in the world because they are ornamentally attractive, drought tolerant, fast growing, fix nitrogen, have very hard durable wood, and are adaptable to many sites and climates. Recent taxonomic analysis indicates there are four species, black locust (R. pseudoacacia L.); bristly locust (R. hispida L.); clammy locust (R. viscosa Vent.); and new mexican locust (R. neomexicana A. Gray). All four species originate in the southern United States and northern Mexico. Many horticultural cultivars are available. Locusts are tolerant of a wide range of soil types so long as there is good drainage, adequate moisture, and it is not very clayey. The environmental tolerance of locust makes it an excellent candidate for horticultural uses and for future breeding and selection to enhance its many desirable traits. It is easy to propagate via seed, root cuttings, soft- or hardwood cuttings, budding/grafting, or tissue culture. Locust has indeterminate growth. Spacing of plants in plantations is critical for the production of multiple products including high value timber. Locust is known for its ability to withstand drought conditions however at the cost of leaf shedding. Black locust contributes high levels of nitrogen to the soil from nitrogen fixing bacterial symbiosis. The major drawback to large-scale production of black locust in its native range is the damage that occurs from the locust borer (Megacyllene robinae Forster). When planted outside the range of the locust borer it can be grown successfully as landscape specimen trees and as trees large enough for lumber production when varieties with straight trunks are grown. Damage from locust leaf miner (Odontata dorsalis Thunberg) can greatly detract from the trees ornamental qualities. Its most common use is as a site reclamation species. The tree is also used in honey production. The wood is highly decay resistant and is greatly valued for poles and posts. The wood is extremely hard and easy to work making it highly desirable for many construction uses.

Original languageEnglish (US)
Pages (from-to)279-288
Number of pages10
JournalHortTechnology
Volume11
Issue number2
StatePublished - 2001

Fingerprint

Robinia
Grasshoppers
Robinia pseudoacacia
locust
locusts
Megacyllene robiniae
Odontota dorsalis
Megacyllene
Nitrogen
Droughts
nitrogen
drought
high-value products
ornamental trees
indeterminate growth
leaf abscission
Soil
softwood
grafting (plants)
lumber

Keywords

  • Bristly locust
  • Clammy locust
  • New mexican locust
  • Robinia hispida
  • Robinia neomexicana
  • Robinia pseudoacacia
  • Robinia viscosa

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Horticulture
  • Environmental Science(all)

Cite this

Degomez, T. E., & Wagner, M. R. (2001). Culture and use of black locust. HortTechnology, 11(2), 279-288.

Culture and use of black locust. / Degomez, Thomas E; Wagner, Michael R.

In: HortTechnology, Vol. 11, No. 2, 2001, p. 279-288.

Research output: Contribution to journalArticle

Degomez, TE & Wagner, MR 2001, 'Culture and use of black locust', HortTechnology, vol. 11, no. 2, pp. 279-288.
Degomez, Thomas E ; Wagner, Michael R. / Culture and use of black locust. In: HortTechnology. 2001 ; Vol. 11, No. 2. pp. 279-288.
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