1997 Regional Germplasm Observation Nursery
Test Information
                               
   
     Pedigree and Origin.
   
     Russian Wheat Aphid (RWA); ARS, OK; Seedling RWA
        ratings from SS (super-susceptible) to HR (highly
        resistant).  Local checks: 1) PI372129; 2) STARS-9302;
        3) STARS 3-8. Data provided by David Porter and Cheryl
        Baker, USDA-ARS, Stillwater, OK.          
   
     Greenbug; ARS, OK; Seedling Greenbug ratings (biotype
         E') from SS (super-susceptible to HR (highly
        resistant).  Local checks: 1) Amigo; 2) Largo; 3)
        GRS1201. Data provided by David Porter and Cheryl
        Baker, USDA-ARS, Stillwater, OK.                         
   
     Hessian fly; ARS, KS; Seedling reaction to Hessian fly
        (Great Plains biotype) from S (susceptible) to R
        (resistant). Local checks: 1) Jagger; 2) KS93U206; and
        3) 2137. Data provided by J. Hatchett, USDA-ARS,
        Manhattan, KS.
      
     Acid Soil Tolerance; OSU, OK; Field ratings from Enid,
        OK, nursery site of soil pH=4.5 collected on 10/30/96,
        12/11/96, and 3/17/97; 1 (Tolerant) to 9
        (Susceptible).  Local checks: 1) 2174; 2) OK91P648;
        and 3) 2163.  Data provided by Brett Carver, Oklahoma
        State University, Stillwater, OK.
   
     Leaf Rust; ARS, KS; Seedling ratings from 0 (highly
        resistant) to 9 (highly susceptible).  1996 race
        composite with virulence to Lr1, 2a, 2b, 2c, 2, 3, 3a,
        3b, 3ka, 9, 10, 11, 13, 16, 18, 21, 22, 24, 26, 30,
        and 34. Data provided by Merle Eversmeyer, ARS,
        Manhattan, KS.   
   
     Leaf rust; OSU, OK; Seedling ratings from R
        (resistant) to S (susceptible). Race composite
        avirulence/virulence formula: 9, 19, 26, SXL / 1, 2a,
        2c, 3, 3ka, 11, 16, 17, 24, 30, DNE, CTY. Local
        Checks: 1) Thatcher, Lr19; 2) Century; and 3)
        Siouxland. Data provided by Bob Hunger and John
        Sherwood, Oklahoma State University, Stillwater.
   
     Leaf rust; Texas A&M, Vernon; Field response (R,
        resistant, to S, susceptible, reaction type) and
        severity ratings (% infection); Local Checks: 1) TAM-200;
        2) TAM-201; and 3) TAM-202.  Data provided by David 
        Worrall and Stephen Caldwell, Texas A&M, Vernon, TX.
   
     Wheat Streak Mosaic Virus (WSMV); KSU, Hays, KS; Field
        ratings from S (susceptible) to R (resistant). Local
        Checks: 1) Jagger; 2) KS93U206; and 3) 2137. Data
        provided by Joe Martin, KSU, Hays. 

     Soilborne Mosaic Virus (SBMV); OSU, OK; Visual ratings
        taken March, 1997 in Stillwater; Field ratings of 1
        (no mosaic or stunting), 2 (slight mosaic and/or
        stunting), 3 (moderate mosaic and/or stunting), to 4
        (severe mosaic and/or stunting).  Local checks: 1)
        Vona; 2) Hawk; and 3) Sierra. Data provided by Bob
        Hunger and John Sherwood, Oklahoma State University,
        Stillwater.
   
     Soilborne Mosaic Virus (SBMV); ELISA Absorbance; OSU,
        OK; Elisa absorbance values for presence of the SBM
        virus. Local checks: 1) Vona; 2) Hawk; and 3) Sierra. 
        Data provided by Bob Hunger and John Sherwood,
        Oklahoma State University, Stillwater.
   
     Soilborne Mosaic Virus (SBMV); Elisa, S. Deviation;
        OSU, OK; Standard deviation of Elisa absorbance values
        for presence of the SBM virus. Local checks: 1) Vona;
        2) Hawk; and 3) Sierra.  Data provided by Bob Hunger
        and John Sherwood, Oklahoma State University,
        Stillwater. 
   
     Soiborne Mosaic Virus (SBMV); Field rating; KSU, St.
        John; Field ratings from R (resistant) to S
        (susceptible) for reaction to SBMV at St. John, KS. 
        Local checks: 1) Jagger; 2) U206; and 3) 2137.
        Symptoms from entry 200 to end were not as reliable as
        this section of the field had relatively poor
        infection.  Data provided by R. Sears, Kansas State
        University, Manhattan. 
   
     Heading Date; Texas A&M, Bushland; Days to heading
        from 1/1.  Local Checks: 1) TAM-109; 2) TAM-200; 
        and 3) TAM-110. Data provided by Mark Lazar, 
        Texas A&M, Bushland, TX.
   
     Heading Date; Texas A&M, Vernon; Days to heading from
        1/1.  Local Checks: 1) TAM-200; 2) TAM-201; and 3) TAM-202. 
        Data provided by David Worrall and Stephen Caldwell, 
        Texas A&M, Vernon, TX.

     Winter Survival; Williston, ND;  Field rating of %
        spring stand at Williston, ND.  Local Checks: 1)
        Norstar; 2) Erhardt; and 3) Judith.  Data provided by
        Phil Bruckner and Jim Berg, Montana State Univ.,
        Bozeman, MT.
   
     Winter Survival; Mead, NE; Winter survival ratings on
        1 (10% survival) to 9 (90%+ survival) scale; Identity
        of local checks was not recorded.  Data provided by
        Stephen Baenziger, University of Nebraska, Lincoln,
        NE.
   
     Stem rust; races QFCQ, QTHJ, RKRQ, RTRQ, RTQQ, and
        TPMK; ARS, MN;  Seedling ratings of reaction type to
        individual races of stem rust.  No local checks were
        used.  Data provided by D. V. McVey, USDA-ARS Cereal
        Rust Laboratory, St. Paul, MN.