Registration of ‘UC Tahoe’, a California Adapted Two‐Rowed Spring Barley for Craft‐Scale Malting

Hegarty, Joshua; Blanco, Isabel A. del; Gallagher, L. W.; Dubcovsky, Jorge

doi:10.3198/jpr2017.09.0064crc

Cited by 6 publications

(13 citation statements)

References 20 publications

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“…Orca is a selection from cross Calicuchima ‘S’/Bowman (Hayes et al., 2001). The resulting malting elite line Butta 12 (UC 1360) from the cross BU27 × TTA is related to both BCD47 (by descent) and ‘UC Tahoe’ (as parent: Butta 12 × Madre Selva), contrary to what has been stated previously (Hegarty, del Blanco, Gallagher, & Dubcovsky, 2018). Madre Selva, introduced from ICARDA/CIMMYT in Mexico, was chosen as a parent for mapping populations to study resistance to Cereal yellow dwarf virus (CYDV) (Capettini, Henry, & Vivar, 2002) and to stem rust because of agronomic appearance, reported resistance to CYDV, adult plant resistance to stem rust at Njoro, Kenya, and freedom from disease at UC Davis.…”

Section: Methodscontrasting

confidence: 78%

“…Other results were especially noteworthy. Lower beta‐glucan numbers were observed for Butta 12 at plant scale using grain from fields (Table 6) than were observed for malt originating from grain at high input plots (Hegarty et al., 2018). Plant‐scale malting of high protein UC Tahoe has been done only for grain distillers with excellent results.…”

Section: Characteristicsmentioning

confidence: 88%

“…Butta 12 is two‐rowed, has a spring growth habit, and is intended for November–December fall sowing in the Central Valley of California. For Butta 12, comprehensive grain yield (4,168 kg ha −1 ), kernel weight (48.3 mg), plant height (89.8 cm), days to heading from 1 March (+32.5 d, about 3 d earlier than UC Tahoe), lodging (4.04, on 1–8 scale), and leaf yellowing (2.1, on 1–8 scale; because of yellow dwarf viruses) were published previously (Hegarty et al., 2018). Butta 12 has a significantly higher kernel weight (>5.1 mg) than UC Tahoe, which may be related to its longer awns.…”

Section: Characteristicsmentioning

confidence: 91%

“…Butta 12 has a significantly higher kernel weight (>5.1 mg) than UC Tahoe, which may be related to its longer awns. Plant height of Butta 12 is significantly taller (about 6 cm) than both UC Tahoe and Full Pint and varies from 80 to 100 cm in rainfed conditions (Hegarty et al., 2018).…”

Section: Characteristicsmentioning

confidence: 99%

“…Both RILs 103 and 179 were selected for agronomic appearance and short stature. Subsequent micro‐malting compared Butta 12 and RIL 103 over seven locations (Hegarty et al., 2018) and suggested high levels of beta‐glucan, averaging 460 and 522 ppm for Butta 12 and UC Tahoe, respectively. Micro‐malting was done over several years (Table 2).…”

Section: Characteristicsmentioning

confidence: 99%

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‘Butta 12’, a two‐rowed malting barley adapted to the California Central Valley with proven floor‐malting success and craft brewer acceptance

Gallagher

Silberstein²,

Prato

et al. 2020

J of Plant Registrations

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'Butta 12' (Reg. no. CV-371, PI 692639) is the first malting barley (Hordeum vulgare L.) released by the University of California to complete plant-scale malting evaluation and to be brewed successfully by scores of craft brewers. In cooperation with Admiral Maltings, Alameda, CA, Butta 12 has been malted and marketed primarily under the names Gallagher's Best, Feldblume, and Admiral Pils for all-malt brewing and distilling. Butta 12 combines good malting quality, adequate disease resistance, and good agronomic performance to provide a local maltster with a grower-accepted local source of malting barley. Kilning variables produced a wide range of flavors. Additionally, Butta 12 and a related malting cultivar 'UC Tahoe' are nonproducers of glycosidic nitrile, which is an advantage for their use by distillers. With no initial California two-rowed malting barley germplasm as a starting point, it took over 20 yr of breeding work to combine favorable alleles for malting quality from the Oregon State University barley improvement program with increased disease resistance from the barley breeding program of International Center for the Improvement of Agriculture in the Dry Areas (ICARDA)/International Center for Maize and Wheat Improvement (CIMMYT), Mexico. The focus on disease resistance was necessary because several barley diseases in California prevent the direct introduction of malting cultivars into California's Central Valley from the northern tier of U.S. states and Canada.

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Section: Methodscontrasting

confidence: 78%

Section: Characteristicsmentioning

confidence: 88%

Section: Characteristicsmentioning

confidence: 91%

Section: Characteristicsmentioning

confidence: 99%

Section: Characteristicsmentioning

confidence: 99%

See 3 more Smart Citations

‘Butta 12’, a two‐rowed malting barley adapted to the California Central Valley with proven floor‐malting success and craft brewer acceptance

Gallagher

Silberstein²,

Prato

et al. 2020

J of Plant Registrations

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Effects of genotype and environment on productivity and quality in Californian malting barley

Ramanan¹,

Nelsen²,

Lundy³

et al. 2023

Agronomy Journal

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Malting barley (Hordeum vulgare L.) productivity and grain quality are of critical importance to the malting and brewing industry. In this study, we analyzed 12 malting barley genotypes across eight locations in California and three years (2017‐18, 2018‐19 and 2020‐21). The effects of genotype (G), location (L), year (Y) and their interactions were assessed on grain yield (kg ha −1), grain protein content (GPC; %), individual‐grain weight (mg), thousand kernel weight (TKW; g), grain size (plump and thin; %), onset gelatinization temperature (GT; temperature at which starch starts to gelatinize), peak GT, offset GT, difference between onset and peak GT and difference between peak and offset GT. L, Y and their interaction explained the largest variance for all traits except TKW, peak GT, and difference between onset and peak GT, for which G explained the largest variance. Yield and plump (%) were weakly negatively correlated with onset and peak GT (Pearson's r of ‐0.15 to ‐0.21) but showed a positive correlation with the difference between peak and offset GT (Pearson's r of 0.37 and 0.36). The 2020‐21 samples formed partially distinct clusters in principal component analysis, mainly discriminated by high percentage of thins and high onset GT. These findings illustrate the key roles of G, L and Y in determining malting barley productivity and quality.This article is protected by copyright. All rights reserved

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Environment found to explain the largest variance in physical and compositional traits in malting barley grain

Ramanan,

Gielens,

de Schepper

et al. 2024

J Sci Food Agric

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BACKGROUNDStarch is the most abundant constituent (dry weight) in the barley endosperm, followed by protein. Variability of compositional and potentially related physical traits due to genotype and environment can have important implications for the malting and brewing industry. This was the first study to assess the effects of genotype, environment, and their interaction (G × E) on endosperm texture, protein content, and starch traits corresponding to granule size, gelatinization, content, and composition, using a multi‐environment variety trial in California, USA.RESULTSOverall, environment explained the largest variance for all traits (ranging from 23.2% to 76.5%), except the endosperm texture traits wherein the G × E term explained the largest variance (45.0–86.5%). Our unique method to quantify the proportion of fine and coarse milled barley particles using laser diffraction showed a binomial distribution of endosperm texture. The number of small starch granules varied significantly (P‐value < 0.05) across genotypes and environments. We observed negative correlations between total protein content and each of enthalpy (−0.70), total starch content (−0.54), and difference between offset and onset gelatinization temperature (−0.52). Furthermore, amylose to amylopectin ratio was positively correlated to volume of small starch granules (0.36).CONCLUSIONOur findings indicate that environment played a larger role in influencing the majority of starch‐related physical and compositional traits. In contrast, variance in endosperm texture was largely explained by G × E. Maltsters would benefit from accounting for environmental contributions in addition to solely genotype when making sourcing decisions, especially with regards to total protein, total starch, enthalpy, and difference between offset and onset gelatinization temperature. © 2024 Society of Chemical Industry.

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Registration of ‘UC Tahoe’, a California Adapted Two‐Rowed Spring Barley for Craft‐Scale Malting

Cited by 6 publications

References 20 publications

‘Butta 12’, a two‐rowed malting barley adapted to the California Central Valley with proven floor‐malting success and craft brewer acceptance

‘Butta 12’, a two‐rowed malting barley adapted to the California Central Valley with proven floor‐malting success and craft brewer acceptance

Effects of genotype and environment on productivity and quality in Californian malting barley

Environment found to explain the largest variance in physical and compositional traits in malting barley grain

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