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Creator:: Alsheikh, Abdulmagid M.
Abstract:: Mycorrhizal fungi in arid and semiarid rangelands have received little study in southwest Asia and north Africa, although they are important in food production and rangeland productivity. The desert truffles of the genera Terfezia and Tirmania form fruiting-bodies and mycorrhizae with rangeland plants. This thesis treats the taxonomy and the...
Resource Type:: Dissertation
Full Text:: Philosophy in Botany and Plant Pathology presented on July 8. 1994. Title: Taxonomy and Mycorrhizal

Creator:: Borchers, Susan L.
Abstract:: A greenhouse bioassay was used to compare the effects of soils collected at different distances from hardwood species on the growth, mycorrhiza formation, and foliar nutrient concentrations of Douglas-fir seedlings. Soil nutrient concentrations and bulk densities were also determined. Soils were collected from two southwestern Oregon sites that had been...
Resource Type:: Masters Thesis

Creator:: Scagel, Carolyn F.
Abstract:: Many mycorrhizosphere microorganisms can produce plant growth regulating compounds in vitro. Plant growth regulating compounds are known to mediate root growth and development. In reforestation practices, conifer tree seedling growth and survival are linked to rapid root growth and development after outplanting. Multifactorial experiments were conducted to document variations in...
Resource Type:: Dissertation
Full Text:: Growth by Mycorrhizal Fungi and Plant Growth Regulators Abstract approved: Dr. Robert G. Linderman

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