The Georgia Agricultural Experiment Station
College of Agricultural and Environmental Sciences
The University of Georgia

Research Report Number 657
November 1998


1998 CORN PERFORMANCE TESTS

Anton E. Coy, J. LaDon Day, and Paul L. Raymer, Editors

Anton E. Coy is a senior agricultural specialist in the Department of Crop and Soil Sciences, Coastal Plain Experiment Station, Tifton, GA 31793.  J. Ladon Day is a senior agricultural specialist and coordinator of statewide variety testing and Paul L. Raymer is an associate professor in the Department of Crop and Soil Sciences, Georgia Experiment Station, Griffin, GA 30223-1797.


TABLE OF CONTENTS


Preface

Cooperators and Contributors

The Season with 1997-98 Rainfall


GRAIN TEST RESULTS


Corn Hybrid Performance in the Coastal Plain

    Coastal Plain Region, Georgia: Summary of Corn Hybrid Performance, 1998
    Tifton, Georgia: Short-Season Corn Hybrid Performance, 1998, Nonirrigated
    Tifton, Georgia: Mid and Full-Season Corn Hybrid Performance, 1998, Nonirrigated
    Tifton, Georgia: Short-Season Corn Hybrid Performance, 1998, Irrigated
    Tifton, Georgia: Mid and Full-Season Corn Hybrid Performance, 1998, Irrigated
    Tifton, Georgia: Preliminary Corn Hybrid Performance, 1998, Irrigated
    Plains, Georgia: Short-Season Corn Hybrid Performance, 1998, Irrigated
    Plains, Georgia: Mid and Full-Season Corn Hybrid Performance, 1998, Irrigated
    Midville, Georgia: Corn Hybrid Performance, 1998, Nonirrigated


Corn Hybrid Performance in the Piedmont Region

    Griffin, Georgia: Short-Season Corn Hybrid Performance, 1998, Irrigated
    Griffin, Georgia: Mid and Full-Season Corn Hybrid Performance, 1998, Irrigated


Corn Hybrid Performance in North Georgia

    Calhoun, Georgia: Short-Season Corn Hybrid Performance, 1998, Nonirrigated
    Calhoun, Georgia: Mid and Full-Season Corn Hybrid Performance, 1998, Nonirrigated
    Calhoun, Georgia: Short-Season Corn Hybrid Performance, 1998, Irrigated
    Calhoun, Georgia: Mid and Full-Season Corn Hybrid Performance, 1998, Irrigated
    Blairsville, Georgia: Short-Season Corn Hybrid Performance, 1998, Nonirrigated
    Blairsville, Georgia: Mid and Full-Season Corn Hybrid Performance, 1998, Nonirrigated



HIGH OIL CORN TESTS RESULTS


High Oil Corn Hybrid Performance in the Coastal Plain

    Tifton, Georgia: High Oil Corn Hybrid Performance, 1998, Irrigated
    Plains, Georgia: High Oil Corn Hybrid Performance, 1998, Irrigated



SILAGE TESTS RESULTS


Selection of Corn Hybrids for Use as Silage

    Summary of Evaluations of Corn Hybrids for Silage:
        Blairsville, Calhoun, Griffin, and Tifton, Georgia, 1998
    Tifton, Georgia: Evaluation of Corn Hybrids for Silage, 1998, Irrigated
    Griffin, Georgia: Evaluation of Corn Hybrids for Silage, 1998, Irrigated
    Calhoun, Georgia: Evaluation of Corn Hybrids for Silage, 1998 Irrigated
    Blairsville, Georgia: Evaluation of Corn Hybrids for Silage, 1998, Nonirrigated



INSECT SCREENING RESULTS


Evaluation of Corn Hybrids for Resistance to Insects

    Tifton, Georgia: Short-Season Corn Hybrids, 1998 -
        Evaluation for Resistance to Insects and Other Traits
    Tifton, Georgia: Mid-Season Corn Hybrids, 1998 -
        Evaluation for Resistance to Insects and Other Traits
    Tifton, Georgia: Preliminary and Full-Season Corn Hybrids, 1998 -
        Evaluation for Resistance to Insects and Other Traits


Sources of Seed for the 1998 Corn Hybrid Tests