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Plant and Soil

, Volume 88, Issue 2, pp 281–284 | Cite as

Unexpected progeny obtained from glasshouse study of soil pH influence onAcaulospora laevis inoculum

  • E. A. Davis
  • J. L. Young
  • S. L. Rose
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Summary

Potential growth stimulation of two hosts by acid-tolerantAcaulospora laevis was tested in a soil adjusted to 5 pH levels from 5.0 to 7.7. By wet-sieving methods, the field-source inoculum was essentially a pure culture ofA. laevis spores. Upon harvest of sweetgum a completely different spore-type was found in large quantities;A. laevis spores were relatively few to non-existent. The results dramatically underscore the need for caution against relying solely on pre-trial identifications of inoculum spores or presuming that apparently single-species cultures/inoculum will remain pure throughout an experiment.

Key words

Glomus spp. Liming Liquidam bar styraciflua Sorghum sudanense Glomus diaphanum pH 

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Copyright information

© Martinus Nijhoff Publishers 1985

Authors and Affiliations

  • E. A. Davis
    • 1
  • J. L. Young
    • 1
  • S. L. Rose
    • 1
  1. 1.Horticultural Crops Research LaboratoryUS Dept. of Agriculture, Agricultural Research ServiceCorvallisUSA

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