1996 Regional Germplasm Observation Nursery

Test Information


Table 1 (page 125):

     Pedigree and Origin.

     Russian Wheat Aphid (RWA); ARS, OK; Seedling ratings from S
     (susceptible) to HR (highly resistant). Local checks: 1)
     PI372129; 2) STARS-9302; 3)3-8. Data provided by David
     Porter and Cheryl Baker, USDA-ARS, Stillwater, OK.

     Greenbug; ARS, OK; Seedling Greenbug ratings (biotype  E')
     from S (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). 
     Ratings for local checks were Newton - S; Ike - R; Caldwell
     - R; and Seneca - R.  Data provided by J. Hatchett, USDA-ARS, Manhattan, KS.

Table 2 (page 136):

     Leaf rust; ARS, KS; Seedling ratings from 0 (highly
     resistant) to 9 (highly susceptible). Race composite has
     virulence to lr 1, 2a, 2c, 3, 3ka, 9, 10, 11, 15, 17, 18,
     24, 26, and 30. No local checks were included. Data provided
     by Merle Eversmeyer and Stan Cox, USDA-ARS, Manhattan, KS.

     Leaf rust; Two reps; OSU, OK; Seedling ratings from R
     (resistant) to S (susceptible). Race composite has
     avirulence/virulence formula of 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, OK.

     Stem Rust; Mead, NE; Field stem rust rating at Mead, NE from
     combined natural and artificial infection.  Only those lines
     with susceptible reactions are noted. Local checks were
     included, but not recorded.  Data provided by Stephen
     Baenziger, University of Nebraska, Lincoln, NE.



     Wheat Streak Mosaic; KSU, Hays, KS; Field ratings from S
     (susceptible) to R (resistant). Local Checks: 1) Jagger; 2)
     2137; and 3) KS93U206. Presence of BYDV was confirmed in the
     nursery which may have caused some mis-readings of WSMV
     infection.  Data provided by Joe Martin, Kansas State
     University, Hays, KS.

     Soilborne Mosaic Virus (SBMV), Visual ratings from March,
     1996; OSU, OK; Field ratings of 1 (no mosaic or stunting), 2
     (slight mosaic and/or stunting), 3 (moderate mosaic and/or
     stunting) or 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, OK.

     Soilborne Mosaic Virus (SBMV), Elisa values; OSU, OK;
     Ratings from 'a' (no virus detected), '-+'  (some virus
     detected), to '+' (virus detected). Local checks: 1) Vona;
     2) Hawk; and 3) Sierra.  For information regarding
     methodology see Table 14 in the SRPN section.  Data provided
     by Bob Hunger and John Sherwood, Oklahoma State University,
     Stillwater, OK.

     Wheat Spindle Streak Mosaic Virus (WSSMV), Elisa values;
     OSU, OK; Ratings from 'a' (no virus detected), '-+'  (some
     virus detected), '+' (virus detected). Local checks: 1)
     Vona; 2) Hawk; and 3) Sierra.  For information regarding
     methodology see Table 14 in the SRPN section. Data provided
     by Bob Hunger and John Sherwood, Oklahoma State University,
     Stillwater, OK.

Table 3 (page 147):

     Acid Soil Tolerance; OSU, OK; Field ratings from Enid, OK on
     12/1/95 and 2/22/96; 0 (Tolerant) to 9 (Susceptible). Local
     checks: 1) 2163; 2) OK91P648; and 3) Jagger. Entries with WK
     suffered winterkill. Data provided by Brett Carver, Oklahoma
     State University, Stillwater, OK.

     Winter Damage - Prosper, TX; Texas A&M; Winter damage rating
     on 0-9 scale; Local Checks: 1) Sturdy; 2) TAM-300; 3)
     TAM-301.  Data provided by David Marshall, Texas A&M,
     Dallas, TX.

     Spring Stand-Bushland; Texas A&M; % Stand rated on April 20. 
     Reflective of cumulative winter damage. Local Checks: 1)
     TAM-109; 2) TAM-200; 3) Eagle.  Data provided by Mark Lazar,
     Texas A&M, Bushland, TX.



     Winter Survival; Mead, NE; Winter survival rating on 1 (10%
     survival) to 9 (90%+ survival) scale; Local Checks were
     included, but not recorded.  Data provided by Stephen
     Baenziger, University of Nebraska, Lincoln, NE.

     Heading Date - Prosper, TX; Texas A&M; Heading date from
     1/1. Local Checks: 1) Sturdy; 2) TAM-300; TAM-301.  Data
     provided by David Marshall, Texas A&M, Dallas, TX.

Table 4 (page 158):

     Drought Response, 4/20; Texas A&M, Bushland; Rating of flag
     leaf (0-4) on April 20, where 0=no green leaf, 1=half green
     leaf, 2=burnt leaf tip, 3=fully green but rolled, 4=flat
     green leaf. Local Checks: 1) TAM-109; 2) TAM-200; 3) Eagle. 
     Data provided by Mark Lazar, Texas A&M, Bushland, TX.

     Drought Response, 5/14; Texas A&M, Bushland; Rating of flag
     leaf (0-4) on May 14, where 0=no green leaf, 1=half green
     leaf, 2=burnt leaf tip, 3=fully green but rolled, 4=flat
     green leaf. Local Checks: 1) TAM-109; 2) TAM-200; 3) Eagle. 
     Data provided by Mark Lazar, Texas A&M, Bushland, TX.