Master's Theses

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Date of Award

Spring 1965

Degree Name

Master of Science (MS)

Department

Biology

Advisor

G. K. Hulett

Abstract

The purpose of this study was to investigate the effect of soapweed on emergence, germination, and growth of six native grass species. Treatments were Yucca mulch, Yucca seeds, and soil from around Yucca plants. Grass species were buffalo grass, blue grama, switchgrass, big bluestem, little b1uestem, and sideoats grama. Emergence of sideoat grama and little bluestem was inhibited in Yucca soil. Germination and growth of four grass species treated with Yucca leaf leachate was studied. Germination was not retarded but epicotyl and radical growth appeared to be retarded. The effect of steaming on Yucca soil was also investigated. Emergence rates of sideoats grama and little bluestem indicated that steaming may lessen the inhibitory effect of Yucca soil.

Rights

Copyright 1965 Emory S. Young

Comments

Notice: This material may be protected by copyright law (Title 17 U.S. Code).

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