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Fungicide Data, Amber Johnson
Fungicide Data, Amber Johnson
ScholarsArchive Data
This dataset contains emergence, biomass, and fungal biomass data collected during a laboratory study examining the effects of soil fungal level and seed coating treatment on the growth of bluebunch wheatgrass (Pseudoroegneria spicata). Pathogenesis from soil and seed-borne fungus can limit success when restoring native species. Fungicides can combat fungal pathogens, but in some studies, fungicides treatments are ineffective at improving seedling emergence over untreated, control seed. These studies suggest low fungal presence due to dry conditions may be the cause of the ineffectiveness of fungicide treatments for some years and sites. This study tested if fungicide treatment …
Effects Of Abscisic Acid (Aba) On Germination Rate Of Three Rangeland Species, Turmandakh Badrakh
Effects Of Abscisic Acid (Aba) On Germination Rate Of Three Rangeland Species, Turmandakh Badrakh
Theses and Dissertations
Seeds sown in the fall to restore sagebrush (Artemisia spp.) steppe plant communities could experience high mortality when they germinate and seedlings freeze during the winter. Delaying germination until the risk of frost is past could increase seedling survival. We evaluated the use of abscisic acid (ABA) to delay germination of Elymus elymoides, Pseudoroegneria spicata, and Linum perenne. The following treatments were applied: uncoated seed, seed coated with ABA at 2.2, 4.4, 8.8, 13.2, and 17.6 g of active ingredient kg-1 of seed, and seed coated with no ABA. The influence of seed treatments on germination were tested at five …
Genetic Variation In Bluebunch Wheatgrass, Max P. Dunford
Genetic Variation In Bluebunch Wheatgrass, Max P. Dunford
Theses and Dissertations
Agropyron spicatum (Pursh) Scribn, and Smith, an important forage grass distributed primarily throughout western United States and northward into Canada, exhibits considerable ecological, cytological, and genetic variation. Twenty-five populations of 100 plants each were scored to obtain data on morphological and ecological variation. Statistical analysis of the data from fourteen of the populations showed that correlations between awn divergence and length, rhizomes with number of culms, adn diameter with number of culms were inconsistent or not significant. However, the correltion between rhizomes and diameter was significant in all populations.