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Filtering by: Committee Member Fang, S. C. Language English [eng]

Meiotic irregularities in selected parents and their hybrids in tall fescue (Festuca aruninacea, Schreb.)

Creator:

Woodward, W. T. W. (William T. W.)

Resource Type:

Dissertation
Control of purple nutsedge (Cyperus rotundus L.) with glyphosate

Creator:

Chase, Richard Lyle

Resource Type:

Dissertation
A study of methods of parental evaluation using testers to predict subsequent progeny performance in winter wheat (Triticum aestivum L.)

Creator:

Alexander, William Larry

Abstract:

The major objective of this study was to determine why certain winter wheat cultivars, when hybridized, will produce a greater proportion of desirable plants in subsequent, segregating generations. Three winter wheat parents were chosen as the experimental material, based on their known performance as parents. Yamhill and Pullman Selection 101...

Resource Type:

Dissertation
Apple mycorrhizae and their effects on growth and nutrient concentration in apple seedlings grown in two soils with varied levels of P

Creator:

Geddeda, Yosef Ibrahim

Abstract:

A study was conducted to characterize the vesicular-arbuscular (VA) fungi of apples grown in Oregon. Using roots and soil from apple orchards as inoculae, six different fungal species were found in pot cultures: Gigaspora margarita Becker and Hall, Glomus fasciculatum (Thaxter sensu Gerdemann) Gerd. and Trappe, Glomus mosseae (Nicol. and...

Resource Type:

Dissertation