Annual Progress Report on Malting Barley Research March, 2007

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Two-rowed and six-rowed malting barley germplasm development in California. Researcher: Lynn Gallagher, Department of Plant Sciences, University of California, Davis, CA Executive Summary This project will help meet the goals of AMBA when breeding objectives are met wherein a developmental pipeline is filled with six-rowed and two-rowed germplasm having favorable alleles (genes) conferring resistances to several diseases combined with superior malting characteristics in barley lines highly adapted to the Western growing region. The foliar disease resistances being incorporated are primarily those against Barley Yellow Dwarf Virus (BYDV), barley stripe rust, scald, net blotch and Cereal Yellow Dwarf Virus (CYDV). Resistance to leaf rust and powdery mildew are additional possibilities. Promising initial results for two-rowed barley are indicated for advanced lines selected from crosses of an ICARDA/CIMMYT line (developed in California) to Oregon St. material. These new lines will be available for distribution after harvest in late May ‘07. Very few six-rowed malting barleys are sufficiently adapted to growing conditions found in the Central Valley of California to be of breeding value. The first six-rowed crosses for malting quality are in the F4 generation. Additionally sixrowed Oregon St. winter barleys were crossed to a small number of spring barelys from northern states to form base populations for improved advanced line creation. Objectives, Methodology, and Results The main objective is to combine multiple disease resistances, superior malting characteristics, and high grain yield potential into barley lines adapted to the Western growing region such that they may be used as a resource by other breeders. This objective will be achieved by traditional breeding methods using a modified bulkpedigree breeding scheme. Results are indicated in the paragraphs below. Objectives met in one-year funding period Promising advanced lines have been identified from the cross of the parents BCD 47, BU, and SAL to Triumph/Tyra//Arupo “S” *2/Abyssinian (TTA), selection 119. BCD 47 was derived from the cross Orca/3/Harrington/ /CI10587/Galena. SAL was derived from the cross BCD 47/3/CI10587/Galena/ /Baronesse. BU was derived from BCD 47 /3/CI10587/Galena// Baronesse ‘S’. These three lines were developed by Pat Hayes at Oregon St. Univ. Hundreds of advanced lines from BCD 47 X TTA population were selected in May and seeds planted at Davis in Nov. ’06 along with more lines from the BU/TTA and SAL/TTA crosses. BCD 47 was the highest grain yielder in the Western 6
Spring Regional over two years at Davis and had near-malting quality. All of the parents in these three crosses have short stature. The two-rowed effort is more advanced than the six-rowed effort and the developmental pipeline is full of two-rowed material. The Oregon St. Univ. six-rowed winter barley (STAB47/KAB51-20) was crossed into the winter by spring gene pool to create new populations. In July ‘06 winter by spring segregating populations in the F2 and F3 generations were sent to Pat Hayes for selection in a second environment. STUC 6 continues to be the best six-rowed source of BYDV and stripe rust resistance combined with near-malting quality. Segregating populations of STUC 6 crossed to 6B96-9339, Drummond, and 94AB13449 are among the F3 bulks. The project has continued to identify suitable malting barley parents and to create new populations. New crosses to be made in April ’07 will use Tradition, Robust ‘RWA’ (Russian Wheat Aphid resistant) lines developed by the USDA, and 01NZ706, which is ant643/WA9138-87//6B95-8253 supplied by Ditter vonWetstein and the highest grain yielder in the Western Spring Regional barley trial grown at Davis in ‘06. Segregating populations of Conrad crossed to ICARDA/CIMMYT lines were planted as F3 bulks. Subsamples were sent previously to BARI for selection in a second environment . Orca and ND22202 crosses to Mexican materials are in the F2 generation. Madre Selva barley was used as a source of resistance to CYDV. Materials planted at Davis from other programs include the following: advanced lines from the cross BCD 47 to Baronesse, BARI elite lines, and Tango X Lacey F3 lines. Twenty new crosses for malting quality were made in April ’06. Subsequently the F1’s were grown out at Ft. Collins by BuschAg. The harvested seeds were planted at Davis in Nov. ’06. Reserve F1 seeds were planted at Davis in Nov. ’06. New two-rowed parents likely to be used in crossing are Craft and 98AB11993, the latter of which was highly productive in the Western Spring Regional barley trial grown at Davis. The most time consuming part of the project is given to selection, harvesting, seed processing and preparation for planting subsequent generations in the germplasm pipeline. Most significant accomplishment The project has created its first malting advanced line germplasm worthy of distribution to other interested breeders (Table 1). Entries in bold type were created at UC Davis. Crosses involving Oregon St. parents (described above) developed by Pat Hayes were made to a selection from the ICARDA/CIMMYT cross of TTA, which was originally planted at Davis in 1995 as a F2 population supplied by Hugo Vivar. The TTA population was selected for its absence of foliar diseases, short stature, and productivity. The TTA population and subsequent selections were resistant to all diseases noted at Davis over several years during the selection process. BCD 47 like TTA appeared resistant to stripe rust, scald and net blotch but BCD 47 was susceptible to barley yellow dwarf virus and powdery mildew at Davis. Several lines from the TTA population were evaluated by CCRU and one line was selected for crossing to BCD 47, BU, and SAL. Three lines (BCD/TTA-MQ29, BCD/TTA-N, and BCD/TTA-V) had CCRU quality scores above 60 compared to the highest CCRU Harrington check quality value of 50. The lines having the MQ 28 and MQ29 designation have two years of favorable 7
Page 1 and 2: Annual Pro
Page 3 and 4: -i- INTRODUCTION The March 2007 <st
Page 5: USDA-ARS NORTHERN CROP SCIENCE LABO
Page 9 and 10: Table 1. 2006 UCD Two-Rowed Malting
Page 11 and 12: environments was practiced, 2) elit
Page 13 and 14: Table 4. Selected six-rowed lines c
Page 15 and 16: Other Barley Research: Feed Program
Page 17 and 18: Executive Summary AMBA Prog
Page 19 and 20: Table 1. Agronomic performance of M
Page 21 and 22: Lines M122 and M124 were rated sati
Page 23 and 24: EARLY GENERATION LINES Forty F5 pop
Page 25 and 26: have evaluated a PCR based marker,
Page 27 and 28: Edward Schiefelbein, Research Scien
Page 29 and 30: small grains pathology input to thi
Page 31 and 32: Project Personnel Small Grains Path
Page 33 and 34: Investigations on Barley Diseases a
Page 35 and 36: Minnesota barley disease survey and
Page 37 and 38: pathotypes at the seedling stage in
Page 39 and 40: germplasm with the highest level of
Page 41 and 42: Mirlohi, A., Brueggeman, R., Steffe
Page 43 and 44: Developing Improved Malt Barley Var
Page 45 and 46: Table 2. Montana’s Statewide Tria
Page 47 and 48: As a Barley CAP collaborator, our C
Page 49 and 50: 3.2. A barley nursery composed of d
Page 51 and 52: 5. Related Barley Projects Barley P
Page 53 and 54: Barley Breeding - Advanced Testing
Page 55 and 56: Table 3. Agronomic comparisons of N
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Preliminary Malting Barley Yield Tr
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dwarf genotypes with the convention
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STUDIES ON BARLEY DISEASES AND THEI
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inoculated plots. The inoculum used
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much of North Dakota in 2006, few f
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5. Collect isolates of barley patho
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oot rot. In collaboration with Scot
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2. United States Wheat and Barley S
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6. Lee, S. and Neate, S.M. (2006) P
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Objectives Met in the One-Year Fund
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These automated methods have been t
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Beta-limit dextrin Alpha-Amylase Al
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M w kDa 800 600 400 200 0 0.4 0 2 4
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Figure 7. Time course of I2-binding
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10 9 8 7 6 5 4 3 2 1 0 1993 1994 19
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2. Other Research (A) Predicting Se
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forms (through enzymolysis during m
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PUBLICATIONS (2006-07) Schwarz, P.B
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CI9214, PI552963 (Heartland), and N
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showing good levels of resistance t
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Germplasm Enhancement for RWA Resis
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Gary Hein in Colorado and Nebraska.
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Kevin Hicks, Research Leader, USDA-
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Detailed Report on
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Other Barley Research and Future Di
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Table 1. 2006/2007 Oregon winter ba
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Table 4. Agronomic data for OSU win
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MALTING QUALITY ANALYSIS OF NEW BAR
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We recently secured an industrial c
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2006-2007 Progress
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enzyme it encodes. We found that se
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horseradish peroxidase-conjugated g
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found in plant cell walls. The degr
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Establishing that sequence variatio
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Charles Karpelenia, technician Joe
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Annual Progress Report on Malting Barley Research March, 2007

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