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2006

Iowa State University

Agricultural Science

Theses/Dissertations

Soil microbiology and biochemistry

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Diversity And Efficacy Of Arbuscular Mycorrhizal (Am) Fungi Isolated From Soils Of Soybean Fields , Zahra Ifnou Troeh Jan 2006

Diversity And Efficacy Of Arbuscular Mycorrhizal (Am) Fungi Isolated From Soils Of Soybean Fields , Zahra Ifnou Troeh

Retrospective Theses and Dissertations

A field survey evaluated the population composition of AM fungal species in Clarion (a well drained fine-loamy, mixed, mesic Typic Hapludoll) and Webster (a poorly drained fine-loamy, mixed, mesic Typic Endoaquoll) soils of four Iowa soybean (Glycine max, L.) fields. Spores from six species of Glomus and from the genera Acaulospora, Gigaspora , and Paragomus were found in the original field soils. G. claroideum, G. etunicatum, G. mosseae, G. viscosum, and Paraglomus occultum-like spores were prevalent in both Clarion and Webster soils of all four fields. Minor species included G. geosporum and G. intraradices. Trap cultures led to detection of several ...