Full TGIF Record # 24858
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Web URL(s):http://www.jstor.org/stable/2557300
    Last checked: 12/18/2015
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Publication Type:
i
Refereed
Author(s):Veenendaal, E. M.; Monnaapula, S. C.; Gilika, T.; Magole, I. L.
Author Affiliation:Department of Ecology and Ecotoxicology, Faculty of Biology, Free University, The Netherlands, National Institute for Development Research and Documentation, University of Botswana; Department of Biology, University of Botswana; National Institute for Development Research and Documentation, University of Botswana
Title:Vesicular-arbuscular mycorrhizal infection of grass seedlings in a degraded semi-arid savanna in Botswana
Source:New Phytologist. Vol. 121, No. 3, July 1992, p. 477-485.
Publishing Information:Oxford, England: Cambridge University Press.
# of Pages:9
Keywords:TIC Keywords: Topsoil; Erosion; Infection; Turfgrasses; Seedlings; Arid climate; Mycorrhizal fungi; Arbuscular mycorrhizae
Geographic Terms:Botswana
Abstract/Contents:"Infection of eight indigenous grasses with vesicular-arbuscular mycorrhizal (VAM) fungi was studied in a savanna in South-eastern Botswana. Infection of seedlings with VAM fungi was rapid just after germination at the onset of the rainfall season. Particularly high infection levels were found in the primary roots of seedlings but levels temporarily dropped with the development of the secondary roots. In 30% of all cases germinating spores were found to be the source of infection, suggesting an important role for them in semi-arid grasslands. The inoculum potential of soils from eroded and non-eroded sites in the study area was compared. Subsoil was found to have a lower inoculum potential than topsoil. Topsoil from an eroded site without vegetation showed a lowered inoculum potential compared to sites with vegetation present. Topsoil from unvegetated sites where soil material was deposited however, did not always show a lower inoculum potential. This indicated that the transport and redistribution of water and soil material does not automatically result in lower infection levels."
Language:English
References:34
Note:Pictures, b/w
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Veenendaal, E. M., S. C. Monnaapula, T. Gilika, and I. L. Magole. 1992. Vesicular-arbuscular mycorrhizal infection of grass seedlings in a degraded semi-arid savanna in Botswana. New Phytol. 121(3):p. 477-485.
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http://www.jstor.org/stable/2557300
    Last checked: 12/18/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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