Survival of a fast-growing strain of lupin rhizobia in sonoran desert soils

M. Schlinkert Miller, Ian L Pepper

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Bacteria isolated from the roots of lupins are normally slow-growing, but an effective, fast-growing strain (generation rime, 3.6 h) of Rhizobium was isolated from a species of Lupinus native to the Sonoran Desert near San Felipe, Baja, Mexico. This strain (Lupin 43) possesses multiple ffageila and produces acid in a denned medium. Field and incubator studies were conducted to determine if the Actaptation of the characteristics of fast-growing strains enabled Lupin 43 to survive under the desert conditions of the southwestern U.S. In the field, where no moisture was added after initial inoculation, Lupin 43 survived in significantly higher numbers than Lupin 96AI 1, a commercial, slow-growing strain. In laboratory studies, at a constant moisture tension of - kPa, differences in survival between the two strains were mostly dependent on soil texture, pH and temperature.

Original languageEnglish (US)
Pages (from-to)323-327
Number of pages5
JournalSoil Biology and Biochemistry
Volume20
Issue number3
DOIs
StatePublished - 1988

Fingerprint

fast growing strains
Lupinus
desert soils
Incubators
desert soil
Sonoran Desert
Rhizobium
rhizobacterium
Mexico
Soil
desert
moisture
rime
Bacteria
Soils
Temperature
Acids
soil texture
inoculation
Moisture

ASJC Scopus subject areas

  • Soil Science
  • Biochemistry
  • Ecology
  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Survival of a fast-growing strain of lupin rhizobia in sonoran desert soils. / Miller, M. Schlinkert; Pepper, Ian L.

In: Soil Biology and Biochemistry, Vol. 20, No. 3, 1988, p. 323-327.

Research output: Contribution to journalArticle

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