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

Research Report Number 663
January 2000

1999 Soybean, Sorghum Grain and Silage, Grain Millet, and Summer Annual Forages Performance Tests

J. LaDon Day, Anton E. Coy, and Paul A. Rose, Editors

J. LaDon Day is a senior agricultural specialist and coordinator of the state variety testing program and Paul A. Rose is an agricultural research coordinator II in the Department of Crop and Soil Sciences, Georgia Experiment Station, Griffin, GA 30223-1797. Anton E. Coy is a senior agricultural specialist in the Department of Crop and Soil Sciences, Coastal Plain Experiment Station, Tifton, GA 31793-0748.

Contents

Preface

Cooperators and Contributors

The Season with 1999 Rainfall

SOYBEAN

Tifton, Georgia:

Early-Planted Soybean Variety Performance, 1999, Irrigated
Three-Year Summary of Early-Planted Soybean Performance, 1997-1999, Irrigated
Late-Planted Soybean Variety Performance, 1999, Irrigated
Three-Year Summary of Late-Planted Soybean Performance, 1997-1999, Irrigated
Early-Planted Soybean Strains Variety Performance, 1999, Irrigated
Roundup Ready Soybean Variety Performance, 1999, Irrigated

Plains, Georgia:

Early-Planted Soybean Variety Performance, 1999, Irrigated
Late-Planted Soybean Variety Performance, 1999, Irrigated
Roundup Ready Soybean Variety Performance, 1999, Irrigated

Midville, Georgia:

Early-Planted Soybean Variety Performance, 1999, Nonirrigated
Two-Year Summary of Early-Planted Soybean Performance, 1997 & 1999, Nonirrigated

Griffin, Georgia:

Early-Planted Soybean Variety Performance, 1999, Nonirrigated
Three-Year Summary of Early-Planted Soybean Performance, 1997-1999, Nonirrigated
Late-Planted Soybean Variety Performance, 1999, Nonirrigated
Two-Year Summary of Late-Planted Soybean Performance, 1997 & 1999, Nonirrigated
Early-Planted Soybean Strains Variety Performance, 1999, Nonirrigated
Roundup Ready Soybean Variety Performance, 1999, Nonirrigated

Athens, Georgia:

Early-Planted Soybean Variety Performance, 1999, Irrigated
Three-Year Summary of Early-Planted Soybean Performance, 1997-1999, Irrigated
Late-Planted Soybean Variety Performance, 1999, Irrigated
Three-Year Summary of Late-Planted Soybean Performance, 1997-1999, Irrigated

Calhoun, Georgia:

Early-Planted Soybean Variety Performance, 1999, Nonirrigated
Three-Year Summary of Early-Planted Soybean Performance, 1997-1999, Nonirrigated
Late-Planted Soybean Variety Performance, 1999, Nonirrigated
Three-Year Summary of Late-Planted Soybean Performance, 1997-1999, Nonirrigated
Roundup Ready Soybean Variety Performance, 1999, Nonirrigated
Two-Year Summary of Roundup Ready Soybean Variety Performance, 1998-1999, Nonirrigated

Quincy, Florida:

Soybean Variety Performance, 1999, Nonirrigated
Late-Planted Soybean Variety Performance, 1999, Nonirrigated
Soybean Strains Variety Performance, 1999, Nonirrigated
Roundup Ready Soybean Variety Performance, 1999, Nonirrigated

Nematode Screening Results

Greenhouse Ratings for Resistance to Three Species of Root-Knot Nematode and Soybean Cyst Nematodes, 1999
Midville, Georgia:
Soybean Variety Performance on Lance Nematode Infested Soil, 1999, Irrigated
Three-Year Summary of Soybean Variety Performance on Lance Nematode Infested Soil, 1997-1999
Blackville, South Carolina:
Soybean Variety Performance on Lance Nematode Infested Soil, 1999, Nonirrigated

Insect Screening Results

Field Cage and Greenhouse Ratings of Soybean Cultivars for Resistance to Three Insect Species, 1999
Insect Antibiosis Ratings of Selected Soybean Cultivars on Three Insect Species as Measured by Weight Gain in a Seven-Day Leaf Feeding Assay, 1999

Sources of Seed for the 1999 Soybean Variety Tests

GRAIN SORGHUM

Tifton, Georgia:

Early-Planted Grain Sorghum Hybrid Performance, 1999, Nonirrigated
Late-Planted Grain Sorghum Hybrid Performance, 1999, Nonirrigated

Plains, Georgia:

Early-Planted Grain Sorghum Hybrid Performance, 1999, Nonirrigated
Late-Planted Grain Sorghum Hybrid Performance, 1999, Nonirrigated

Griffin, Georgia:

Early-Planted Grain Sorghum Hybrid Performance, 1999, Nonirrigated
Late-Planted Grain Sorghum Hybrid Performance, 1999, Nonirrigated

Marianna, Florida:

Early-Planted Grain Sorghum Hybrid Performance, 1999, Irrigated
Late-Planted Grain Sorghum Hybrid Performance, 1999, Irrigated

Evaluation of Sorghum Grain and Silage Hybrids for Resistance to Anthracnose, 1999

SORGHUM FOR SILAGE

Tifton, Georgia:

Evaluation of Sorghum Hybrids for Silage, 1999 and Two-Year Average Yields, 1997-1999

Griffin, Georgia:

Evaluation of Sorghum Hybrids for Silage, 1999

GRAIN MILLET

Tifton, Georgia:

Early-Planted Pearl Millet Grain Hybrid Performance, 1999, Nonirrigated
Late-Planted Pearl Millet Grain Hybrid Performance, 1999, Nonirrigated

SUMMER ANNUAL FORAGES

Tifton, Georgia:

Evaluation of Summer Annual Forages, 1999 and Two-Year Average Yields, 1997-1999

Griffin, Georgia:

Evaluation of Summer Annual Forages, 1999 and Two-Year Average Yields, 1997-1999

Sources of Seed for the 1999 Grain Sorghum, Silage Sorghum, and Summer Annual Forage Tests