The 2004 wheat growing season ended with Kentucky farmers

Transcription

1 PR Kentucky Small Grain Variety Trials C. Tutt, C.S. Swanson, J. Connelley, R. Green, and D.A. Van Sanford The 2004 wheat growing season ended with Kentucky farmers harvesting 370,000 acres of soft red winter wheat resulting in 20,350,000 bushels of grain. An average yield of 55 bushels per acre was recorded, which is down four bushels per acre from the 2003 growing season (Table 1). Small grain performance tests were conducted in six of the seven agroclimatic regions of Kentucky (Figure 1). Agricultural areas within each region are considered to have similar soil types and climatic conditions. Each region having a substantial acreage of a small grain commodity will have a trial conducted in that region for that commodity. The objective of the Kentucky small grain variety trials is to evaluate varieties of wheat and barley that are commercially available or may soon be available to Kentucky farmers. New varieties are continually being developed by agricultural experiment stations and commercial firms. Annual evaluation of small grain varieties and selections provides seedsmen, farmers, and other agricultural workers with current information to help them select the varieties best adapted to their locality and individual requirements. Since weather, soil, and other environmental factors will alter varietal performance from one location to another, tests are grown in six locations (Figure 1) in the state. Figure 1. Agroclimatic regions of Kentucky small grain variety trials. Region 2004 Location Cooperator Crop Tested 1. Purchase Calloway Jim Stahler Wheat 2. Western Coalfield Princeton Research and Wheat Education Center 3. Ohio Valley Morganfield Jim McElroy Wheat 4. Bluegrass Lexington Kentucky Agricultural Wheat Experiment Station 5. Southern Tier Bowling Green Logan Co. Western Kentucky University Farm Larry Thompson Barley, Wheat Wheat Russellville Don Halcomb Barley, Wheat 6. North Central Shelbyville Mike Ellis Wheat Table 1. Wheat harvested acreage and yields in Kentucky, * Crop Harvested 1000A Yield Bu/A Harvested 1000A Yield Bu/A Harvested 1000A Yield Bu/A Wheat *July 1, 2004, Kentucky Crop and Livestock Reporting Service Experimental Methods Beginning in 1998, varieties were evaluated under both conventional and no-till cultural practices. No-till tests were grown at four locations in addition to the conventional tests, which were grown at five locations. The plots were planted with specially built multirow conventional and no-till cone seeders. Conventional test plots consisted of six rows to form a plot 4.5 feet wide and 15 feet long, which was later trimmed to 10 feet in length. No-till plots consisted of seven rows to form a plot 6 feet wide and 25 feet long, which was later trimmed to 20 feet in length. Each variety was grown in four replications, and the data presented are the average response from the four replications. Plots were harvested with a small plot combine. Planting dates of all trials for the past three years are listed in Table 2. In some instances, uncontrollable factors such as excessive rainfall, winter killing, high winds, hail, grazing cattle, etc. adversely affected an experiment so that the results were judged unreliable. When this occurred, results are not given for that location and year. Data averaged over a period of years give a more accurate picture of varietal performance than do annual data. Kentucky Agricultural Experiment Station University of Kentucky College of Agriculture Department of Agronomy Lexington, Kentucky 40546

2 Table 2. Region, location, preceding crop, and planting dates of Kentucky small grain trials, Region Location Year Preceding Crop Current Crop Planting Date Purchase Murray Corn Wheat 10/20 10/24 10/23 Ohio Valley Morganfield Corn Wheat 10/21 11/1 Calhoun 2004 Soybeans 10/21 Bluegrass Lexington Corn Barley * 10/24 10/10 Wheat Conventional No-till 10/22 10/22 10/24 10/10 Southern Tier Russellville Corn Barley 10/16 10/17 10/29 Wheat 10/29 Bowling Green Corn Barley ** 10/18 10/9 Wheat 10/15 10/18 10/9 Logan Co Corn Wheat No-till 10/16 10/17 Western Coalfield Princeton Corn Wheat Conventional No-till 10/20 10/15 10/22 10/16 10/30 10/22 North Central Shelbyville Soybeans Wheat No-till 10/23 ** 10/3 *Barley trial not grown at Lexington, **Not harvested. Results and Discussion Since genetic expression of a variety is greatly influenced by environmental conditions, it is best to have several years data from which to draw conclusions. Performance of a variety tested for only one year should not be compared with a threeyear average of another variety because it is possible that results in one of the other years were extremely good or poor and thus not comparable. The yield of a variety is relative and should be compared with the yields of the other varieties in the same experiment and at the same location. Small differences in yield of only a few bushels per acre between two varieties from an individual test should not be interpreted to indicate the superiority of one variety over another. However, if one variety consistently outyields another over a period of several years, the chances are that the differences are real. Lodging data are very difficult to interpret. A high-yielding variety should not necessarily be downgraded because of a high percentage of lodging for a given year at a given location. Local weather conditions, such as wind and rain, may cause a variety to lodge much more than it normally does. Variety trials normally have a greater degree of lodging than do farmer fields. It should also be emphasized that a variety reported to be 50 percent lodged does not imply that only 50 percent of the grain could be harvested. With good equipment, almost all of the grain can often be saved. Lodging data for a period of years should receive more consideration than annual lodging data since they will give a more accurate picture of varietal performance Test Conditions Weather conditions were favorable for planting the 2004 wheat crop in Kentucky. Most of the crop was planted during the first three weeks of October. The 2004 small grain variety trials were planted within an eight-day period from Oct. 15 to 23. Mild temperatures that prevailed through November and December were conducive to good fall growth and tillering. There was very little winter killing of the wheat crop due to a relatively mild winter. Warm spring temperatures stimulated early green up and good growth in the spring. Wheat diseases were relatively light with the exception of barley yellow dwarf and fusarium head blight (head scab). Barley yellow dwarf infestations were quite heavy in some areas of the state. Favorable environmental conditions resulted in widespread head scab infections of the wheat crop. As a result, test weights and yields were adversely affected. Most of the variety trials received fungicide and insecticide applications. Some trials were left untreated in order to obtain disease ratings of the varieties. 2

3 Small Grain Varieties for 2004 Varieties eligible for certification include (1) varieties that may have potential for Kentucky and (2) older varieties that are still acceptable for production in Kentucky. The characteristics of wheat and barley varieties are summarized in Tables 3 and 13, respectively. Soft Red Winter Wheat Varieties Kentucky s climate and soils are well suited for the production of high-quality soft red winter wheat. No single variety has all the desirable characteristics, but each has certain advantages. Yielding ability, straw strength, height, earliness, grain quality, and disease resistance are important in choosing a variety. Varietal performance is presented in Tables 3 through 11. Winter Barley Varieties Winter barleys are less winter-hardy than winter wheat but more hardy than winter oats. The degree of winter-hardiness, straw strength, and maturity are important characteristics when choosing a variety. Varietal performance data are presented in Tables 13 through 15b. Certified Seed Planting certified seed is one of the first steps in ensuring a good small grain crop. The extra cost of certified seed is justified in view of the high quality of seed obtained. Certified seed is seed that has been grown in such a way as to ensure the genetic identity and purity of a variety. Certified seed also helps to maintain freedom from weed and other crop seed and, in some cases, freedom from disease. The Kentucky Agricultural Experiment Station recommends that Kentucky-certified seed be used whenever possible for growing commercial crops of small grains. Organizations Entering Varieties in the 2004 Kentucky Wheat Variety Trials SEEDEX 1350 Kansas Ave. Longmont, CO Pioneer Hi-Bred International, Inc Old Madison Pike Suite 110 Huntsville, AL Delta King PO Box 970 McCory, AR Southern States Coop. P. O. Box Richmond, VA Agripro Seeds 520 East 1050 S. Box 411 Brookston, IN Unisouth Genetics 2640-C Nolensville Road Nashville, TN Kentucky-American Seeds, Inc. 205 Means Ave. P. O. Box 1104 Hopkinsville, KY Virginia Tech P. O. Box 338 Warsaw, VA Maryland Crop Improvement Assn Gilnock Road Easton, MD Royster Clark, Inc. 717 Robinson Road S.E. Washington Courthouse, OH Syngenta P. O. Box 729 Bay, AR Foundation Seed Project University of Kentucky PO Box Lexington, KY Steyer Seeds 6154 N. County Road 33 Tiffin, OH Miles Seed Miles Farm Supply P.O. Box Owensboro, KY Acknowledgment is made to the following individuals for their contributions to the bulletin: Brittany Edelson, Joanna Coles, Lloyd Weatherly, and Rankin Powell, county Extension agents for agriculture, for assistance in locating test sites and collecting data; D. Hershman and A. J. Stewart for disease ratings; V. Verges, C. Knott, A. J. Stewart, B. O Daniel, H. Peden, B. Hilton, J. Duff, K. Liagre, T. Taylor, M. Coppe, K. Chipko C. McCarty, J. Gray, W. Randolph, and Dottie Call for data collection; Mary Ann Kelley, Sandie Waddell, and Kay Cotton for text and table preparation; Freddie Higgins for data analysis. 3

4 TABLE 3. CHARACTERISTICS OF WHEAT VARIETIES TESTED IN 2004.* YIELD TEST WT LODGING HEIGHT SURVIVAL HEADING NAME SOURCE BU/A (LB/BU) (%) (in.) (%) DATE Wiley Steyer Seeds April 29 Vigoro V9412 Royster Clark, Inc April 29 SS 8309 Southern States Co-op May 1 Delta King XTJ243 Delta King April 30 SS 8302 Southern States Co-op May 1 25R47 Pioneer Hi-Bred International Inc May 1 USG 3350 Unisouth Genetics Inc April 30 Delta King 9410 Delta King April 30 KY90C University of Kentucky April 30 EXCEL 307 Bioplant April 30 VA97W-024 Virginia Tech May 1 USG 3430 Unisouth Genetics Inc April 29 KY93C University of Kentucky April 30 Vigoro V9212 Royster Clark, Inc April 30 Vigoro V9410 Royster Clark, Inc April 29 26R58 Pioneer Hi-Bred International Inc May 1 KY93C University of Kentucky April 29 26R15 Pioneer Hi-Bred International Inc April 30 KY93C University of Kentucky May 1 Weaver Steyer Seeds April 29 Vigoro Tribute Royster Clark, Inc April 30 KY93C University of Kentucky April 30 Delta King 7900 Delta King April 29 25R37 Pioneer Hi-Bred International Inc May 1 Exsegen Judith Miles Seed May 1 Agripro Cooper Agripro Seeds May 1 SS 8308 Southern States Co-op April 30 KY93C University of Kentucky April 30 MD 71-5 Maryland Crop Improvement Assn April 30 25R78 Pioneer Hi-Bred International Inc April 30 Bascom Steyer Seeds April 30 Delta King 7830 Delta King April 29 KAS Declaration Kentucky-American Seeds, Inc May 1 Delta King 7777 Delta King May 1 MD 5-46 Maryland Crop Improvement Assn April 30 USG 3209 Unisouth Genetics Inc April 29 Exsegen Rebekah Miles Seed April 30 KAS Allegiance Kentucky-American Seeds, Inc May 2 Roane Virginia Tech May 1 25R54 Pioneer Hi-Bred International Inc May 1 SS 550 Southern States Co-op April 30 Truman Missouri May 8 Delta King XTJ239 Delta King May 2 Agripro Benton Agripro Seeds May 2 Exsegen Sarah Miles Seed May 7 KY93C University of Kentucky April 30 Delta King XTJ261 Delta King April 30 NK Coker 9312 Syngenta Seeds Inc April 29 VA97W-375ws Virginia Tech April 30 25R23 Pioneer Hi-Bred International Inc May 3 Delta King 7710 Delta King May 1 McCormick Virginia Tech April 30 KAS Independence Kentucky-American Seeds, Inc April 30 USG exp 370 Unisouth Genetics Inc April 30 Exsegen Esther Miles Seed April 29 Delta King 1551W Delta King May 1 Sisson Virginia Tech April 30 KY94C University of Kentucky May 2 MD Maryland Crop Improvement Assn April 30 NK Coker 9295 Syngenta Seeds Inc May 1 Exsegen Abigail Miles Seed April 30 NK B Syngenta Seeds Inc May 2 NK Coker 9375 Syngenta Seeds Inc April 30 VA98W-170WS Virginia Tech April 29 SS 560 Southern States Co-op May 1 SS 520 Southern States Co-op April 29 SS 535 Southern States Co-op April 30 Clark Indiana April 29 SX 1431W SEEDEX May 2 SX 1404W SEEDEX May 4 SX 1402W SEEDEX May 2 MEAN May 1 CV = 12.1 LSD (0.05) = 6.1 * Conventional tests 4

5 TABLE 3A. AVERAGE PERFORMANCE OF WHEAT VARIETIES TESTED IN * YIELD TEST WT. LODGING SURVIVAL HEIGHT HEADING VARIETY (BU/A) (LB/BU) (%) (%) (IN) DATE Vigoro V May 25R May 26R May 25R May 25R May Weaver Apr KY90C May Vigoro Tribute May KAS Allegiance May Bascom May McCormick May USG May KAS Declaration May Exsegen Sarah May Agripro Benton May SS May Roane May USG Apr USG Apr Exsegen Rebekah May VA97W-375ws May Exsegen Esther Apr KAS Independence May NK Coker May Sisson May SS May SS Apr Exsegen Abigail May SS May NK Coker May Clark Apr VA98W-170WS Apr SX 1402W May SX 1404W May MEAN May * Conventional tests 5

6 TABLE 3B. AVERAGE PERFORMANCE OF WHEAT VARIETIES TESTED IN * YIELD TEST WT. LODGING SURVIVAL HEIGHT HEADING VARIETY (BU/A) (LB/BU) (%) (%) (IN) DATE 25R May 25R May 25R May KAS Allegiance May Exsegen Sarah May Vigoro Tribute May KAS Declaration May McCormick May Exsegen Esther Apr SS May VA97W-375ws May Exsegen Rebekah May KY90C Apr Roane May Sisson May USG Apr SS May SS Apr Clark Apr Exsegen Abigail May MEAN May *Conventional tests 6

7 TABLE 4. WHEAT PERFORMANCE TRIALS FOR PURCHASE REGION, , CONVENTIONAL. LODGING SURVIVAL HEIGHT HEADING YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) DATE VARIETY MEAN MEAN Delta King XTJ Apr Delta King Apr SS Apr Excel Apr KY93C Apr USG Apr KY90C Apr Delta King Apr Bascom Apr Exsegen Judith Apr KAS Allegiance Apr KY93C Apr KY93C Apr 25R Apr Delta King Apr Exsegen Rebekah Apr KY93C Apr Vigoro V Apr Wiley Apr 25R Apr SS Apr VA97W Apr Weaver Apr Vigoro V Apr USG Apr Agripro Cooper Apr Delta King Apr Truman May 26R Apr 26R Apr Delta King Apr Vigoro V Apr 25R May USG Apr 25R Apr KAS Independence Apr KY93C Apr MD Apr Vigoro Tribute Apr Delta King XTJ Apr KY93C Apr McCormick Apr Exsegen Esther Apr Exsegen Sarah May MD Apr NK Coker Apr Roane Apr Sisson Apr 25R Apr Clark Apr Delta King XTJ Apr NK B May KAS Declaration Apr SS Apr KY94C Apr NK Coker Apr NK Coker Apr SS Apr Delta King 1551W Apr Agripro Benton Apr USG exp Apr VA98W-170WS Apr MD Apr SS Apr Exsegen Abigail Apr VA97W-375ws Apr SS Apr SX 1404W May SS Apr SX 1431W May SX 1402W May MEAN Apr Yield CV = 9.0 LSD (0.05) = 8.7 Location: Calloway Co. 7

8 TABLE 5. WHEAT PERFORMANCE TRIALS FOR OHIO VALLEY REGION, , CONVENTIONAL. LODGING SURVIVAL HEIGHT HEADING YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) DATE VARIETY MEAN MEAN R Apr KY93C Apr KY90C Apr SS Apr Vigoro V Apr Agripro Cooper Apr KY93C Apr USG Apr Delta King Apr Wiley Apr Delta King Apr Delta King Apr Delta King XTJ Apr Excel Apr 25R Apr Vigoro Tribute Apr 26R Apr Vigoro V Apr VA97W Apr 26R Apr Delta King XTJ Apr KAS Declaration Apr KY93C Apr 25R Apr Delta King 1551W Apr Delta King Apr KY93C Apr Delta King Apr KAS Allegiance Apr McCormick Apr USG Apr MD Apr NK Coker Apr SS Apr 25R May 25R Apr KAS Independence Apr KY93C Apr KY94C Apr USG Apr Vigoro V Apr Weaver Apr Exsegen Judith Apr KY93C Apr SS Apr SS Apr Bascom Apr NK B May NK Coker Apr Exsegen Rebekah Apr NK Coker Apr Delta King XTJ Apr SS Apr SS Apr SX 1431W Apr Exsegen Abigail Apr Truman May Agripro Benton Apr USG exp Apr Exsegen Esther Apr Roane Apr VA97W-375ws Apr MD Apr VA98W-170WS Apr SX 1404W May Exsegen Sarah May MD Apr SS Apr Sisson Apr Clark Apr SX 1402W Apr MEAN Apr Yield CV = 10.9 LSD (0.05) = 11.2 Location: Union Co. 8

9 TABLE 6A. WHEAT PERFORMANCE TRIALS FOR BLUEGRASS REGION, , CONVENTIONAL. LODGING SURVIVAL HEIGHT HEADING YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) DATE VARIETY MEAN MEAN Agripro Cooper May SS May Delta King XTJ May 25R May 25R May Agripro Benton May Excel May Wiley May Delta King May Vigoro V May 26R May SS May Weaver May Truman May USG May Delta King May KY93C May Roane May Vigoro Tribute May USG exp May Vigoro V May Delta King May Exsegen Judith May MD May Vigoro V May 25R May Exsegen Esther May SS May USG May KAS Declaration May KY94C May SS May Sisson May Delta King May KY93C May KY93C May NK Coker May KY90C May McCormick May USG May Bascom May Delta King May VA97W May 25R May Clark May KY93C May Delta King XTJ May NK Coker May 25R May Exsegen Abigail May Exsegen Rebekah May KY93C May MD May VA97W-375ws May Exsegen Sarah May KY93C May KAS Allegiance May MD May NK B May NK Coker May SS May SS May KAS Independence May Delta King 1551W May SS May VA98W-170WS May SX 1431W May SX 1402W May 26R May Delta King XTJ May SX 1404W May MEAN Yield CV = 13.2 LSD (0.05) = 11.9 Location: Lexington Spindeltop Farm 9

10 TABLE 6B. WHEAT PERFORMANCE TRIAL FOR BLUEGRASS REGION, 2004, NO-TILL. TEST YIELD WT LODGING SURVIVAL HEIGHT HEADING NAME (BU/A) (LB/BU) (%) (%) (IN.) DATE KY93C May 25R May SS May Agripro Cooper May Vigoro V May MD May KY93C May USG May Delta King XTJ May 26R May Exsegen Judith May SS May KAS Declaration May 25R May Vigoro Tribute May NK Coker May USG May KAS Independence May SS May 25R May SS May Exsegen Esther May Delta King May Delta King May KY90C May McCormick May 26R May VA97W May SS May KY93C May Delta King XTJ May Clark May Weaver May KY93C May Delta King May MD May Delta King XTJ May NK Coker May Bascom May 25R May USG May Truman May SS May MD May Delta King May USG exp May KAS Allegiance May Wiley May Agripro Benton May VA98W-170WS May Vigoro V May Exsegen Abigail May Exsegen Sarah May VA97W-375ws May Roane May KY94C May Vigoro V May 25R May Excel May KY93C May NK Coker May KY93C May NK B May Sisson May Delta King 1551W May Delta King May Exsegen Rebekah May SX 1431W May SX 1404W May SS May SX 1402W May MEANS May CV = 16.1 LSD (0.05) = 10.3 Location: Lexington Spindletop Farm 10

11 TABLE 7A. WHEAT PERFORMANCE TRIALS FOR WESTERN COALFIELD REGION, , CONVENTIONAL. LODGING SURVIVAL HEIGHT HEADING YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) DATE VARIETY MEAN MEAN R Apr SS Apr KY93C Apr VA97W Apr 26R Apr USG Apr 26R Apr KY93C Apr USG Apr Delta King Apr Excel Apr Vigoro Tribute Apr KY90C Apr Delta King Apr USG Apr Vigoro V Apr McCormick Apr VA97W-375ws Apr Weaver Apr 25R Apr Delta King May Delta King XTJ Apr Exsegen Judith Apr Exsegen Sarah May KY93C Apr SS Apr SS May Vigoro V Apr Wiley Apr 25R May 25R May Delta King XTJ May SS Apr USG exp Apr Bascom Apr Exsegen Esther Apr MD Apr Delta King May Exsegen Abigail Apr KY93C May Roane Apr SS Apr Vigoro V Apr Delta King Apr KAS Allegiance May KY93C Apr MD Apr 25R Apr Agripro Cooper May Exsegen Rebekah Apr KAS Independence Apr NK Coker Apr Sisson Apr KY93C Apr Delta King 1551W Apr NK Coker Apr Agripro Benton May KAS Declaration Apr NK Coker Apr SS Apr SX 1431W May Truman May KY94C May SS Apr MD Apr VA98W-170WS Apr Clark Apr Delta King XTJ Apr SX 1402W May SX 1404W May NK B Apr MEAN Apr CV = 11.4 LSD (0.05) = 10.1 Location: Princeton 11

12 TABLE 7B. WHEAT PERFORMANCE TRIALS FOR WESTERN COALFIELD REGION, , NO-TILL. LODGING SURVIVAL HEIGHT HEADING YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) DATE VARIETY MEAN MEAN R Apr Agripro Cooper May 25R Apr Delta King Apr USG Apr Vigoro V Apr USG Apr KY93C Apr KY93C Apr 26R Apr Vigoro Tribute Apr Vigoro V Apr Delta King Apr SS Apr Vigoro V Apr Weaver Apr 26R Apr Agripro Benton May KY93C May KY93C Apr 25R May KY90C Apr Bascom Apr Excel Apr Exsegen Judith Apr KAS Declaration Apr 25R May SS Apr SS May Wiley Apr Delta King May Delta King May Truman May VA97W May 25R Apr Clark Apr KAS Allegiance May KY93C May SS Apr KAS Independence Apr NK Coker May Roane May SS Apr Sisson Apr VA97W-375ws Apr Delta King XTJ Apr Exsegen Esther Apr VA98W-170WS Apr Exsegen Rebekah Apr KY93C Apr SS Apr USG exp Apr Delta King XTJ Apr Delta King Apr MD Apr MD Apr Delta King 1551W May McCormick Apr NK Coker May USG Apr Exsegen Abigail Apr Exsegen Sarah May SS Apr SX 1431W May KY94C May NK B May MD Apr NK Coker Apr SX 1402W May Delta King XTJ May SX 1404W May MEANS Apr CV = 5.8 LSD (0.05) = 5.4 Location: Princeton 12

13 TABLE 8A. WHEAT PERFORMANCE TRIALS FOR SOUTHERN TIER REGION, , CONVENTIONAL. LODGING SURVIVAL HEIGHT HEADING YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) DATE VARIETY MEAN MEAN SS May 26R May Vigoro V May Wiley Apr USG May Delta King XTJ Apr Vigoro V Apr 25R May VA97W May KAS Declaration May KY93C May MD May SS May MD May Exsegen Sarah May VA97W-375ws May Delta King XTJ May SS May KY90C Apr Delta King Apr KY93C May Exsegen Rebekah May KY93C May Delta King XTJ May Bascom May MD Apr Roane May 25R May Exsegen Judith May KY93C May VA98W-170WS May Agripro Benton May Delta King Apr Vigoro Tribute May Weaver May Excel Apr NK Coker Apr Clark Apr KAS Allegiance May 26R May NK B May SS May KAS Independence May KY93C May SS May Sisson May Vigoro V Apr Delta King 1551W Apr Truman May 25R May KY93C May USG Apr Delta King May USG Apr Agripro Cooper May Exsegen Esther May SX 1402W May USG exp May SX 1431W May 25R May 25R May Delta King May Exsegen Abigail Apr NK Coker May SS Apr SS May KY94C May SX 1404W May McCormick May NK Coker May Delta King May MEANS May CV = 15.4 LSD (0.05) = 18.6 Location: Warren Co. 13

14 TABLE 8B. WHEAT PERFORMANCE TRIALS FOR SOUTHERN TIER REGION, 2003 AND 2004, NO-TILL. LODGING SURVIVAL HEIGHT YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) VARIETY MEAN MEAN USG Wiley Delta King Bascom Vigoro V Vigoro V Excel Truman Delta King Delta King Delta King Exsegen Judith Weaver Vigoro V USG Clark SS R Agripro Benton KY93C R Delta King NK B Roane Sisson KY94C SS Exsegen Sarah NK Coker Agripro Cooper KAS Allegiance R Delta King XTJ KAS Independence MD McCormick Vigoro Tribute SS SS VA97W KAS Declaration R KY93C MD R Exsegen Rebekah USG Delta King 1551W KY90C R Delta King XTJ KY93C Exsegen Esther SS R Exsegen Abigail NK Coker KY93C SX 1404W SX 1431W KY93C NK Coker MD VA98W-170WS KY93C USG exp VA97W-375ws Delta King XTJ SS SS SX 1402W MEANS CV = 8.7 LSD (0.05) = 5.4 Location: Logan Co. 14

15 TABLE 9A. WHEAT PERFORMANCE TRIALS FOR NORTH CENTRAL REGION, , CONVENTIONAL. LODGING SURVIVAL HEIGHT HEADING YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) DATE VARIETY MEAN MEAN Vigoro V May KAS Allegiance May Exsegen Sarah May Sisson May 25R May Vigoro Tribute May 25R May Hopewell May SS 560 Gaucho May NK Coker May USG May Weaver May May 25R May KAS Declaration May USG May 25R May McCormick May NK B May 25R May Bascom May Croplan Genetics 514W May SS 535 Raxil May SS May Clark May Roane May Beck Ex May Croplan Genetics 554W May Exsegen Abigail May Exsegen Rebekah May NK Coker May KAS Independence May SS May USG May Beck May Agripro Benton May Agripro Douglas May 25R May KY90C May Coyote May KAS Franklin May NK Coker May VA97W-375ws May SS 560 Raxil May VA98W-170WS May Exsegen Esther May KAS Jefferson May NK Coker May Vigoro V May VA98W May SX May SX May NC May SX May KAS Hamilton May SX May MEANS CV = 12.0 LSD (0.05) = 10.7 Location: Shelby Co. 15

16 TABLE 9B. WHEAT PERFORMANCE TRIALS FOR NORTH CENTRAL REGION, 2004, 2002, 2001, NO-TILL.* LODGING SURVIVAL HEIGHT HEADING YIELD ( BU/A) TEST WT. (LB/BU) (%) (%) (IN.) DATE VARIETY MEAN MEAN Agripro Cooper May KY93C May SS May KY93C May SS May 25R May Delta King May MD May SS May SS May Vigoro Tribute May 25R May KY93C May McCormick May USG May KY94C May NK B May NK Coker May USG May 25R May 26R May Excel May Roane May Vigoro V May 25R May Exsegen Esther May KAS Declaration May NK Coker May 25R May Bascom May Delta King May Delta King XTJ May NK Coker May SS May USG exp May Wiley May 26R May Exsegen Sarah May KY93C May MD May Vigoro V May Delta King 1551W May KY93C May MD May SS May Vigoro V May Weaver May KY93C May VA97W May VA97W-375ws May KY90C May Agripro Benton May Delta King May Exsegen Abigail May Exsegen Rebekah May KAS Independence May Sisson May VA98W-170WS May Delta King May Delta King May Truman May Exsegen Judith May KAS Allegiance May USG May Delta King XTJ May Clark May Delta King XTJ May SS May SX 1404W May SX 1431W May SX 1402 W May MEANS May CV = 11.4 LSD (0.05) = 7.6 *2003 not harvested Location: Shelby Co. 16

17 TABLE 10. DISEASE RATINGS OF WHEAT VARIETIES IN FUSARIUM HEAD BLIGHT RATINGS* VISUAL RATING** FUSARIUM DAMAGED KERNELS POWDERY MILDEW** LEXINGTON LOGAN CO. LEXINGTON LEXINGTON LEXINGTON NAME CONV. TILL NO-TILL CONV. TILL (%) NO-TILL (%) NO-TILL Clark Roane Sisson Exsegen Esther Exsegen Rebekah Exsegen Sarah Exsegen Abigail Exsegen Judith Truman SS SS SS SS SS SS SS Agripro Benton Agripro Cooper NK Coker NK Coker NK Coker NK B USG USG USG USG exp Vigoro Tribute Vigoro V Vigoro V Vigoro V McCormick VA97W-375ws VA98W-170WS VA97W R R R R R R R EXCEL SX 1402W SX 1404W SX 1431W Wiley Bascom Weaver Delta King Delta King Delta King Delta King 1551W Delta King Delta King XTJ Delta King Delta King XTJ Delta King XTJ MD MD MD KAS Independence KAS Allegiance KAS Declaration KY90C KY93C KY93C KY93C KY93C KY93C KY93C KY94C MEANS *Vomitoxin data will be available on Web site: **0 = Best, 9 = Worst 17