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Experimental investigation of pathogenic stress on phytolith formation in Cucurbita pepo var. texana (wild gourd)
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Kistler, Logan, Haney, Jennifer M. and Newsom, Lee A. (2013) Experimental investigation of pathogenic stress on phytolith formation in Cucurbita pepo var. texana (wild gourd). Vegetation History and Archaeobotany, Volume 22 (Number 3). pp. 165-170. doi:10.1007/s00334-012-0363-1 ISSN 0939-6314.
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Official URL: http://dx.doi.org/10.1007/s00334-012-0363-1
Abstract
Silica phytoliths that form in plant tissues are useful to archaeologists because of their diagnostic value and longevity in ancient deposits. Palaeoecology, site formation processes, plant domestication, and other topics are routinely addressed using phytolith assemblages, especially when macrobotanical remains are not well preserved. However, little research has been conducted to document the effects of ecological variables on phytolith formation. Here, we investigate the effects of mosaic virus and bacterial wilt disease on diagnostic scalloped phytoliths in the rind of a wild-type Cucurbita pepo var texana (gourd). We observe a minimal change in phytolith size distribution between control plants and individuals with mosaic virus. However, we observe a notable difference between plants with bacterial wilt disease and control plants, with diseased individuals carrying a greater proportion of large-diameter scalloped phytoliths. This and similar phenomena could potentially confound archaeological interpretations of phytolith assemblages, and we suggest that the effects of this and other ecological variables should be studied in a diverse range of taxa.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Journal or Publication Title: | Vegetation History and Archaeobotany | ||||
Publisher: | Springer | ||||
ISSN: | 0939-6314 | ||||
Official Date: | 29 May 2013 | ||||
Dates: |
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Volume: | Volume 22 | ||||
Number: | Number 3 | ||||
Page Range: | pp. 165-170 | ||||
DOI: | 10.1007/s00334-012-0363-1 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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