Master's Theses

Department

Biology

Degree Name

Master of Science (MS)

Abstract

The objectives of this study were (1) to determine the nature of early weed populations on some of the principal cropped soils in Ellis County, Kansas, (2) to determine the presence or absence of any “indicator species” for each sampled soil series and (3) to determine if certain combinations of prisere species occur on any of the sampled soil series. Species composition and occurrence were recorded on the 12 soil series studied. Plant species differed throughout the various soil series, although Eragrostis cilianensis (All.) Link., Kochia scoparia (L.) Schrad., Panicum capillare L., Setaria viridis (L.) Beauv., Solanum rostratum Dunal and Triticum aestivum L. were cosmopolitan species; while Amaranthus retroflexus L., Euphorbia dentata Michx., Helianthus annuus L., Salvia reflexa* Hornem. and Salsola kali L. var. tenuifolia* Tausch were nearly so (See Appendix I). Some of the 12 soil species supported plants that appeared to be indicator species.

Keywords

Botany, Amaranthaceae, Canadian horseweed, Compositae, Capparaceae, Chenopodiaceae, Beta (Plants), Russian thistle, Chenopodium album, Polanisia dodecandra, Ellis County (Kan.), Weeds

Advisor

Dr. Gerald Wayne Tomanek

Date of Award

Spring 1972

Document Type

Thesis - campus only access

Rights

© The Author(s)

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