Degree Type

Thesis

Date of Award

2008

Degree Name

Master of Science

Department

Agronomy

First Advisor

Mark Westgate

Second Advisor

Charles Hurburgh

Third Advisor

Jay-lin Jane

Abstract

Worldwide, water stress during vegetative and reproductive development of cereal species is a primary constraint to crop yield. In maize ( Zea mays L.), environmental stresses such as high temperature and drought affect yield by reducing the number and mean dry weight of harvested seeds per unit area. Total grain yield is of great economic concern, and increasing yield under optimal and stress conditions has historically received the most attention by public and private breeding programs. But environmental effects on grain quality is of equal importance as maize production becomes more focused on end-user traits specifically for utilization in markets such as dry-grind ethanol, wet-milling, and enhanced animal feeds. While these traits have demonstrated great economic potential, the variability in their corresponding properties as a result of adverse environmental conditions during grain development is not well understood. Further development and utilization of valuable enduser traits will require a greater understanding of kernel development and composition during environmental stress.

DOI

https://doi.org/10.31274/rtd-180813-16613

Publisher

Digital Repository @ Iowa State University, http://lib.dr.iastate.edu/

Copyright Owner

Jason Wade Haegele

Language

en

Proquest ID

AAI1454680

OCLC Number

269285977

ISBN

9780549686989

File Format

application/pdf

File Size

120 pages

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