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Filtering by: Committee Member Linderman, Robert G. Degree Field Botany and Plant Pathology Degree Name Doctor of Philosophy (Ph.D.)

Taxomony and mycorrhizal ecology of the desert truffles in the genus Terfezia

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:

. William Denison, William Chilcote and Robert Linderman for their guidance and support, and for serving
Suppression of take-all [Gaeumannomyces graminis (Sacc.) Arx & Olivier var. tritici Walker] of wheat (Triticum aestivum L.) by banded ammonium and chloride fertilizers

Creator:

Halsey, Mark Evan

Resource Type:

Dissertation

Full Text:

and Chloride Fertilizers. Abstract approved: Dr. Robert L. Powelson The severity of root attack by
Postemergence herbicides and take-all disease in winter wheat : alterations in the incidence and severity of disease and crop growth

Creator:

Geddens, Ray M.

Abstract:

Eight postemergence herbicides were evaluated to determine their influence on the incidence and severity of take-all disease caused by the fungus Gaeumannomyces graminis var. tritici in winter wheat. Mecoprop ((+)-2-(4-chloro-2-methylphenoxy)propanoic acid), difenzoquat (1,2- dimethyl- 3,5- diphenyl -1H- pyrazolium), dinoseb amine (amine salt of 2-(1-methylpropy1)-4,6-dinitrophenol), and diclofopmethyl (methyl ester of (+)-2-[4-(2,4-dichlorophenoxy)...

Resource Type:

Dissertation

Full Text:

members of my graduate committee, Dr. Neil Christensen, Dr. Robert Linderman, Dr. Ronald Welty, Dr

ScholarsArchive@OSU

Taxomony and mycorrhizal ecology of the desert truffles in the genus Terfezia

Suppression of take-all [Gaeumannomyces graminis (Sacc.) Arx & Olivier var. tritici Walker] of wheat (Triticum aestivum L.) by banded ammonium and chloride fertilizers

Postemergence herbicides and take-all disease in winter wheat : alterations in the incidence and severity of disease and crop growth

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