Browsing Theses and Dissertations (Botany and Plant Pathology) by Author "Berry, Ralph"

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Population viability analysis of endangered plant species : an evaluation of stochastic methods and an application to a rare prairie plant

Kaye, Thomas N. (2001-05-18)

Transition matrix models are one of the most widely used tools for assessing population viability. The technique allows inclusion of environmental variability, thereby permitting estimation of probabilistic events, suc ...
Response to fenamiphos, extraction techniques and population dynamics of Pratylenchus penetrans on western Oregon red raspberry

Lolas, Mauricio (1991-03-15)

The effects of fenamiphos on soil and root populations of Pratylenchus penetrans were evaluated in four red raspberry cv. Willamette fields in Northwestern Oregon. Field 1 was a silty clay loam with 53% organic matter ...