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Genetic Recombination And Spatial Chromosome Relations In Maize , Ming-Hung Yu Jan 1972

Genetic Recombination And Spatial Chromosome Relations In Maize , Ming-Hung Yu

Retrospective Theses and Dissertations

No abstract provided.


Evaluation Of Reciprocal Recurrent Selection For Grain Yield In Maize (Z Mays L.) , Seme Debela Jan 1972

Evaluation Of Reciprocal Recurrent Selection For Grain Yield In Maize (Z Mays L.) , Seme Debela

Retrospective Theses and Dissertations

No abstract provided.


A Search Of Plant Introductions As A Source Of Corn Rootworm Resistance , Richard Lee Wilson Jan 1971

A Search Of Plant Introductions As A Source Of Corn Rootworm Resistance , Richard Lee Wilson

Retrospective Theses and Dissertations

No abstract provided.


Characterization Of Maize Inbreds In Testcrosses For Plant And Ear Characters And Yield At Varying Plant Densities And Effectiveness Of Selection In Successive Generations Of Inbred Progenies For Improvement Of Hybrid Yields , Mohamed Ali El-Lakany Jan 1970

Characterization Of Maize Inbreds In Testcrosses For Plant And Ear Characters And Yield At Varying Plant Densities And Effectiveness Of Selection In Successive Generations Of Inbred Progenies For Improvement Of Hybrid Yields , Mohamed Ali El-Lakany

Retrospective Theses and Dissertations

No abstract provided.


Plant Characteristics Associated With Barrenness In Maize , Lawrence Lamont Buren Jan 1970

Plant Characteristics Associated With Barrenness In Maize , Lawrence Lamont Buren

Retrospective Theses and Dissertations

No abstract provided.


Manipulation Of Crossing Over In Zea Mays By Extrinsic Factors , James Joseph Mock Jan 1970

Manipulation Of Crossing Over In Zea Mays By Extrinsic Factors , James Joseph Mock

Retrospective Theses and Dissertations

No abstract provided.


Genetic Parameters Estimated From Generation Means In Four Diallel Sets Of Maize Inbreds , Larry Lynn Darrah Jan 1970

Genetic Parameters Estimated From Generation Means In Four Diallel Sets Of Maize Inbreds , Larry Lynn Darrah

Retrospective Theses and Dissertations

No abstract provided.


Influence Of Half-Sib Family Size On The Estimation Of Genetic Variances In Maize , Fidel Marquez-Sanchez Jan 1969

Influence Of Half-Sib Family Size On The Estimation Of Genetic Variances In Maize , Fidel Marquez-Sanchez

Retrospective Theses and Dissertations

No abstract provided.


Influence Of Plant Population Levels On The Correlation Among Agronomic Characters Of S2 Lines Of Maize And Of Their Testcrosses , Joaquin Ortiz-Cereceres Jan 1967

Influence Of Plant Population Levels On The Correlation Among Agronomic Characters Of S2 Lines Of Maize And Of Their Testcrosses , Joaquin Ortiz-Cereceres

Retrospective Theses and Dissertations

No abstract provided.


Sampling Of Heterogeneous Testers And The Comparison Of A Double Cross With Parental And Non-Parental Single Crosses As Testers For The Evaluation Of Corn Lines , Stephen William Noble Jr. Jan 1966

Sampling Of Heterogeneous Testers And The Comparison Of A Double Cross With Parental And Non-Parental Single Crosses As Testers For The Evaluation Of Corn Lines , Stephen William Noble Jr.

Retrospective Theses and Dissertations

No abstract provided.


Evaluation Of Recurrent Selection For Stalk-Rot Resistance In Maize And The Associated Changes In Other Agronomic Characters , Sujin Jinahyon Jan 1966

Evaluation Of Recurrent Selection For Stalk-Rot Resistance In Maize And The Associated Changes In Other Agronomic Characters , Sujin Jinahyon

Retrospective Theses and Dissertations

No abstract provided.


Heritable Variation Of Quantitative Characters Among And Within Seed Sources Of Maize Inbred Lines , Roger Lee Higgs Jan 1966

Heritable Variation Of Quantitative Characters Among And Within Seed Sources Of Maize Inbred Lines , Roger Lee Higgs

Retrospective Theses and Dissertations

No abstract provided.


Covariances Among Relatives In A Random Mating Population Of Maize , Kuo-Ruey Chi Jan 1965

Covariances Among Relatives In A Random Mating Population Of Maize , Kuo-Ruey Chi

Retrospective Theses and Dissertations

No abstract provided.


Combining Ability Of Unselected Inbred Lines Of Corn From Incomplete Diallel And Top-Cross Tests , Stanley Dean Jensen Jan 1959

Combining Ability Of Unselected Inbred Lines Of Corn From Incomplete Diallel And Top-Cross Tests , Stanley Dean Jensen

Retrospective Theses and Dissertations

No abstract provided.


Relative Importance Of Epistatic And Nonepistatic Gene Effects In Maize , Edwin Ernest Gamble Jan 1957

Relative Importance Of Epistatic And Nonepistatic Gene Effects In Maize , Edwin Ernest Gamble

Retrospective Theses and Dissertations

No abstract provided.


Some Waxy Mutations In Maize And Their Effect On Starch Properties , John Henry Curme Jan 1955

Some Waxy Mutations In Maize And Their Effect On Starch Properties , John Henry Curme

Retrospective Theses and Dissertations

The investigation reported in this thesis was concerned with a series of mutations at the waxy locus in maize. Dr. Barbara McClintock who provided the original material used in this thesis also gave the explanation of the genetics behavior of the mutation inducing Ac-Ds system (14). The waxy mutants which occurred in this material were isolated and identified by starch-lodine titrations. The mutant starches identified in two or more selfed generations covered a range of amylose percentage from the waxy type to the starchy type. Three intermediate mutants produced starch calculated to contain 20, 9 and 3.42 percent amylose ...


Genetic And Environmental Variances In Segregating And Non-Segregating Maize Populations , Wilbert P. Byrd Jan 1955

Genetic And Environmental Variances In Segregating And Non-Segregating Maize Populations , Wilbert P. Byrd

Retrospective Theses and Dissertations

No abstract provided.


Interrelations Of Plant Populations, Fertility Levels And Hybrids In Corn Production , Elwin Raymond Duncan Jan 1954

Interrelations Of Plant Populations, Fertility Levels And Hybrids In Corn Production , Elwin Raymond Duncan

Retrospective Theses and Dissertations

No abstract provided.


Effect Of Two Cycles Of Recurrent Selection For Combining Ability On Yield In An Open-Pollinated Variety Of Corn , David Park Mcgill Jan 1954

Effect Of Two Cycles Of Recurrent Selection For Combining Ability On Yield In An Open-Pollinated Variety Of Corn , David Park Mcgill

Retrospective Theses and Dissertations

No abstract provided.


A Comparison Of Cytoplasmic-Genotypic Interactions In A Group Of Cytoplasmic Male Sterile Corn Types , Leland W. Briggle Jan 1954

A Comparison Of Cytoplasmic-Genotypic Interactions In A Group Of Cytoplasmic Male Sterile Corn Types , Leland W. Briggle

Retrospective Theses and Dissertations

No abstract provided.


Combining Ability Of Homozygous Diploids Of Corn Relative To Lines Derived By Inbreeding , Donald L. Thompson Jan 1953

Combining Ability Of Homozygous Diploids Of Corn Relative To Lines Derived By Inbreeding , Donald L. Thompson

Retrospective Theses and Dissertations

No abstract provided.


Factors Affecting Randomness Of Mating In Isolated Polycross Plantings Of Maize, Mario Gutiérrez Gutiérrez Jan 1952

Factors Affecting Randomness Of Mating In Isolated Polycross Plantings Of Maize, Mario Gutiérrez Gutiérrez

Retrospective Theses and Dissertations

No abstract provided.


Composite-Sibbing Versus Selfing In Development Of Corn Inbred Lines , Murray Luther Kinman Jan 1950

Composite-Sibbing Versus Selfing In Development Of Corn Inbred Lines , Murray Luther Kinman

Retrospective Theses and Dissertations

No abstract provided.


Inheritance Of Protein, Zein, Tryptophan, Valine, Leucine, And Isoleucine In Two Maize Hybrids , Kenneth J. Frey Jan 1948

Inheritance Of Protein, Zein, Tryptophan, Valine, Leucine, And Isoleucine In Two Maize Hybrids , Kenneth J. Frey

Retrospective Theses and Dissertations

No abstract provided.


A Comparison Involving The Numbers Of, And Relationship Between Testers In Evaluating Inbred Lines Of Maize , Kenneth R. Keller Jan 1948

A Comparison Involving The Numbers Of, And Relationship Between Testers In Evaluating Inbred Lines Of Maize , Kenneth R. Keller

Retrospective Theses and Dissertations

No abstract provided.


The Inheritance Of Combining Ability In Maize Hybrids And The Relative Value Of Two Testers For Estimating Topcross Performance , John Melvin Green Jan 1947

The Inheritance Of Combining Ability In Maize Hybrids And The Relative Value Of Two Testers For Estimating Topcross Performance , John Melvin Green

Retrospective Theses and Dissertations

No abstract provided.


Comparative Growth Rates In A Reciprocal Maize Cross , Américo Groszmann Jan 1947

Comparative Growth Rates In A Reciprocal Maize Cross , Américo Groszmann

Retrospective Theses and Dissertations

No abstract provided.


The Effect Of Genetic Constitution And Processing Methods On The Ability Of Maize Seed To Germinate In Cold Soil , Loyd Allen Tatum Jan 1942

The Effect Of Genetic Constitution And Processing Methods On The Ability Of Maize Seed To Germinate In Cold Soil , Loyd Allen Tatum

Retrospective Theses and Dissertations

In samples of commercial hybrid seed a highly significant negative correlation (r = -.81) was found between cold-test germination percentages and percentages of the kernels with pericarp injuries over the germ. Highly significant correlations of field stands with cold-test germination percentages were found, indicating that pericarp injuries over the germ are an important cause of poor stands;Pericarp injury was found to occur in shelling and in other steps in processing which involve an impact between the kernels and a hard surface. The moisture content of the seed during shelling and handling was a very important factor in determining the amount ...


Resistance To Diplodia Infection In Inbred Lines And Hybrids Of Maize , Robert W. Jugenheimer Jan 1940

Resistance To Diplodia Infection In Inbred Lines And Hybrids Of Maize , Robert W. Jugenheimer

Retrospective Theses and Dissertations

No abstract provided.