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Iowa State University

Plant Sciences

Botany and plant pathology

Articles 1 - 30 of 32

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A Synopsis Of Phaseoleae (Leguminosae, Papilionoideae) , James Andrew Lackey Jan 1977

A Synopsis Of Phaseoleae (Leguminosae, Papilionoideae) , James Andrew Lackey

Retrospective Theses and Dissertations

No abstract provided.


Effects Of Soil Resistance On Hypocotyl Growth In Soybeans , Karl Howard Knittle Jan 1977

Effects Of Soil Resistance On Hypocotyl Growth In Soybeans , Karl Howard Knittle

Retrospective Theses and Dissertations

No abstract provided.


Physiological Analysis Of Maize Stunting Caused By Pythium Ultimum And Involvement Of Pythium Sp. In Maize Culture , Won Mok Park Jan 1977

Physiological Analysis Of Maize Stunting Caused By Pythium Ultimum And Involvement Of Pythium Sp. In Maize Culture , Won Mok Park

Retrospective Theses and Dissertations

No abstract provided.


An Epidemiological Evaluation Of Concepts Of Tolerance And Resistance To Plant Disease , Kathleen Politowski Jan 1977

An Epidemiological Evaluation Of Concepts Of Tolerance And Resistance To Plant Disease , Kathleen Politowski

Retrospective Theses and Dissertations

No abstract provided.


Algal Communities Of The Skunk River, Iowa, With Special Reference To The Epipelon , Donald Richard Roeder Jan 1976

Algal Communities Of The Skunk River, Iowa, With Special Reference To The Epipelon , Donald Richard Roeder

Retrospective Theses and Dissertations

No abstract provided.


A Biostratigraphic Study Of Late Tertiary Freshwater Diatoms From The Ogallala Of Western Kansas , Steven Blaine Selva Jan 1976

A Biostratigraphic Study Of Late Tertiary Freshwater Diatoms From The Ogallala Of Western Kansas , Steven Blaine Selva

Retrospective Theses and Dissertations

No abstract provided.


Tertiary Grasses And Other Angiosperms From Kansas, Nebraska, And Colorado: Relationships To Living Taxa , Joseph Raymond Thomasson Jan 1976

Tertiary Grasses And Other Angiosperms From Kansas, Nebraska, And Colorado: Relationships To Living Taxa , Joseph Raymond Thomasson

Retrospective Theses and Dissertations

No abstract provided.


Relative Survival Ability In A Polycyclic System Of Puccinia Coronata Avenae Monosporic Isolates In Biracial Mixtures On Universal Oat Suscepts , Enrique Torres Jan 1976

Relative Survival Ability In A Polycyclic System Of Puccinia Coronata Avenae Monosporic Isolates In Biracial Mixtures On Universal Oat Suscepts , Enrique Torres

Retrospective Theses and Dissertations

No abstract provided.


Ecological And Taxonomic Studies Of Common Stipitate Discomycetes Of Iowa , Roger Dean Jensen Jan 1976

Ecological And Taxonomic Studies Of Common Stipitate Discomycetes Of Iowa , Roger Dean Jensen

Retrospective Theses and Dissertations

No abstract provided.


The Forest Vegetation Of The Driftless Area, Northeast Iowa, Richard A. Cahayla-Wynne Jan 1976

The Forest Vegetation Of The Driftless Area, Northeast Iowa, Richard A. Cahayla-Wynne

Retrospective Theses and Dissertations

No abstract provided.


Distribution And Habitats Of The Orchids Of Iowa , David Arthur Niemann Jan 1975

Distribution And Habitats Of The Orchids Of Iowa , David Arthur Niemann

Retrospective Theses and Dissertations

No abstract provided.


The Effect Of Nitrogen (Source) And Leaf Age On Free Amino Acid And Soluble Sugar Content Of Poa Pratensis And On Predispostion To Infection By Bipolaris Sorokiniana , Philip Wayne Robinson Jan 1975

The Effect Of Nitrogen (Source) And Leaf Age On Free Amino Acid And Soluble Sugar Content Of Poa Pratensis And On Predispostion To Infection By Bipolaris Sorokiniana , Philip Wayne Robinson

Retrospective Theses and Dissertations

No abstract provided.


Distribution, Taxonomy, And Ecology Of Charophytes In Iowa , Glenn Harry Crum Jan 1975

Distribution, Taxonomy, And Ecology Of Charophytes In Iowa , Glenn Harry Crum

Retrospective Theses and Dissertations

No abstract provided.


An Ultrastructural And Microspectrophotometric Study Of Leaf Initiation In Germinating Pinus Banksiana Seeds , Robert Allen Cecich Jan 1974

An Ultrastructural And Microspectrophotometric Study Of Leaf Initiation In Germinating Pinus Banksiana Seeds , Robert Allen Cecich

Retrospective Theses and Dissertations

No abstract provided.


Weed Seedling Emergence Depths Under Field Conditions , Ramiro De La Cruz Jan 1974

Weed Seedling Emergence Depths Under Field Conditions , Ramiro De La Cruz

Retrospective Theses and Dissertations

No abstract provided.


Biosystematics Of The Perennial North American Species Of Urtica , Dennis Wayne Woodland Jan 1974

Biosystematics Of The Perennial North American Species Of Urtica , Dennis Wayne Woodland

Retrospective Theses and Dissertations

No abstract provided.


The Influence Of Natural Environmental Conditions On The Growth, Distribution, And Morphological Expression Of The Carnivorous, Aquatic Plant Utricularia Macrorhiza Le Conte, With Light And Electron Microscopic Observations Of Bladder Ontogeny , Carolyn Kay Beltz Jan 1974

The Influence Of Natural Environmental Conditions On The Growth, Distribution, And Morphological Expression Of The Carnivorous, Aquatic Plant Utricularia Macrorhiza Le Conte, With Light And Electron Microscopic Observations Of Bladder Ontogeny , Carolyn Kay Beltz

Retrospective Theses and Dissertations

No abstract provided.


Histopathology Of Peronospora Manshurica On Soybean Cultivars Of Varying Degrees Of Resistance And On A Nonhost , John Howard Riggle Jan 1974

Histopathology Of Peronospora Manshurica On Soybean Cultivars Of Varying Degrees Of Resistance And On A Nonhost , John Howard Riggle

Retrospective Theses and Dissertations

No abstract provided.


Proline Catabolism In Chlorella , Alan Dale Mcnamer Jan 1973

Proline Catabolism In Chlorella , Alan Dale Mcnamer

Retrospective Theses and Dissertations

No abstract provided.


Primary Phloem Regeneration Without Concomitant Xylem Regeneration: Controlling Factors In Coleus Blumei , Duane Francis Houck Jan 1973

Primary Phloem Regeneration Without Concomitant Xylem Regeneration: Controlling Factors In Coleus Blumei , Duane Francis Houck

Retrospective Theses and Dissertations

No abstract provided.


Tissue Cultures Of Ulmus And Their Interactions With Ceratocystis Ulmi , Dale Frank Hindal Jan 1973

Tissue Cultures Of Ulmus And Their Interactions With Ceratocystis Ulmi , Dale Frank Hindal

Retrospective Theses and Dissertations

No abstract provided.


A Biosystematic Study Of The Sporobolus Asper Complex (Gramineae) , Rhonda Lee Riggins Jan 1973

A Biosystematic Study Of The Sporobolus Asper Complex (Gramineae) , Rhonda Lee Riggins

Retrospective Theses and Dissertations

No abstract provided.


Distribution Of The Species Of The Diatom Genus Tabellaria In A Portion Of The North-Central United States , John Dewar Koppen Jan 1973

Distribution Of The Species Of The Diatom Genus Tabellaria In A Portion Of The North-Central United States , John Dewar Koppen

Retrospective Theses and Dissertations

No abstract provided.


Distribution Patterns Of Mudflat Vegetation In Iowa Flood Control Reservoirs , James Henry Wilson Jan 1973

Distribution Patterns Of Mudflat Vegetation In Iowa Flood Control Reservoirs , James Henry Wilson

Retrospective Theses and Dissertations

No abstract provided.


The Relation Of 1, 4-Benzoxazolinones And Related Compounds In Zea Mays To Helminthosporium Maydis Resistance , David Harold Dawe Jan 1973

The Relation Of 1, 4-Benzoxazolinones And Related Compounds In Zea Mays To Helminthosporium Maydis Resistance , David Harold Dawe

Retrospective Theses and Dissertations

No abstract provided.


Morphology, Seasonal Variation, Fine Structure And Function Of Resin Glands On Buds And Leaves Of Populus Deltoides (Salicaceae) , John Daniel Curtis Jan 1973

Morphology, Seasonal Variation, Fine Structure And Function Of Resin Glands On Buds And Leaves Of Populus Deltoides (Salicaceae) , John Daniel Curtis

Retrospective Theses and Dissertations

No abstract provided.


Ecology And Morphology Of Criconema And Criconemoides , John Kerby Hoffmann Jan 1973

Ecology And Morphology Of Criconema And Criconemoides , John Kerby Hoffmann

Retrospective Theses and Dissertations

No abstract provided.


The Effect Of Helminthosporium Maydis Race T Toxin In Zea Mays Leaves , Michael Thomas Turner Jan 1973

The Effect Of Helminthosporium Maydis Race T Toxin In Zea Mays Leaves , Michael Thomas Turner

Retrospective Theses and Dissertations

No abstract provided.


Cell Aggregate Development In Suspension Cultures Of Paul's Scarlet Rose , Stephen John Wallner Jan 1973

Cell Aggregate Development In Suspension Cultures Of Paul's Scarlet Rose , Stephen John Wallner

Retrospective Theses and Dissertations

No abstract provided.


Chloroplast Involvement In The Replication Of Maize Dwarf Mosaic Virus , Dennis E. Mayhew Jan 1973

Chloroplast Involvement In The Replication Of Maize Dwarf Mosaic Virus , Dennis E. Mayhew

Retrospective Theses and Dissertations

No abstract provided.