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  • 1990-1994  (2)
  • 1993  (2)
  • F. solani  (1)
  • Formicidae  (1)
  • 1
    ISSN: 1573-0832
    Keywords: Fusarium oxysporum ; F. equiseti ; F. solani ; F. moniliforme ; F. compactum ; F. nygamai ; F. chlamydosporum ; Millet ; Plant debris ; Soil ; Sorghum ; Southern Africa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Samples from soils planted to millet and sorghum from Lesotho, Nigeria, and Zimbabwe were processed and a total of 3,291Fusarium cultures were recovered. Of these 1,296 cultures were isolated from plant debris and 1,995 cultures were recovered from soil dilutions. The most prevalent species recovered wereF. oxysporum (37%),F. equiset (30%),F. solani (14%),F. moniliforme (6%),F. compactum (5%),F. nygamai (4%), andF. chlamydosporum (2%). OtherFusarium species isolated wereF. merismoides, F. polyphialidicum, F. graminearum, F. subglutinans, F. sambucinum, F. longipes, F. semitectum, F. dimerum, F. lateritium, and a group of cultures designated as population A which resembleF. camptoceras. Fusarium equiseti was the predominant species in soil samples from Nigeria and Zimbabwe, whileF. oxysporum was the predominant species recovered from soil from Lesotho.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-1561
    Keywords: Dufour gland ; mandibular gland ; postpharyngeal gland ; cuticle ; trail following ; mimic ; Formicidae ; Myrmicinae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Messor lobognathus, an apparent mimic ofPogonomyrmex salinus, shows little chemical resemblance to its exemplar. The mandibular glands ofM. lobognathus gave no volatile compounds. Those ofP. salinus contain chiefly 4-methyl-3-heptanone. Both species contain a mixture of straight-chain alkanes, alkenes, and methyl-branched alkanes in their Dufour glands. Tridecane (64%) is the major substance inM. lobognathus and dodecane (25%) and pentadecane (24%) are the major compounds ofP. salinus. No secretion induced trail-following in either species. A mixture of 9-, 11-, and 13-methylheptacosane formed the largest peak in the chromatograms obtained from the postpharyngeal glands of both species, but otherwise the hydrocarbon mixtures in this gland too were distinct.
    Type of Medium: Electronic Resource
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