Genetic Variability in Post‐harvest Respiration Rates of Sugarbeet Roots<sup>1</sup>

Wyse, Rogér E.; Theurer, J. C.; Doney, D. L.

doi:10.2135/cropsci1978.0011183x001800020017x

Cited by 14 publications

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“…Many sugar beet storage studies involve measurement of respiration in vitro (Cole 1977;Wyse et al 1978;Wyse and Peterson 1979). Recent work has suggested that respiration is influenced more by environment and environment by genotype interactions than genotype alone (Campbell and Klotz 2007).…”

Section: Cultivar Effect On Sugar Beet Storagementioning

confidence: 99%

Sugar beet (Beta vulgaris L.) storage quality in large outdoor piles is impacted by pile management but not by nitrogen fertilizer or cultivar

2012

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beet (Beta vulgaris L.) storage quality in large outdoor piles is impacted by pile management but not by nitrogen fertilizer or cultivar. Can. J. Plant Sci. 92: xxxÁxxx. Even though storage results in lower sucrose recovery from sugar beets, physical constraints dictate that a significant proportion of the sugar beet crop can be stored up to 120 d before processing. From 2006From to 2010 (1 ), sugar beet cultivar, and pile management method were independently evaluated to determine their effects on sugar beet storability in large outdoor piles. At harvest, five representative sugar beet samples from the N and cultivar field trials were placed in a large outdoor storage pile. Sugar beet quality assessments were taken at harvest and three times over the storage season. On the last retrieval date only, sugar beet samples were retrieved from piles managed via the length-vs. end-removal method. Although there were differences among N treatments and cultivars in sugar beet quality at harvest, there were no storage date by N treatment or storage date by cultivar interactions for any parameters measured indicating that N fertilization or cultivar did not influence the ability to maintain sugar beet quality in large outdoor piles. The lengthremoval method of pile management had better quality sugar beets compared with the standard end-removal method. Hence, sugar beet producers do not need to modify production practices to optimize storability, but sugar beet processors can improve sucrose recovery by removing sugar beets lengthwise along both sides of large piles as opposed to the standard end-removal method.Key words: Sucrose, pile removal, ammonium nitrogen fertilizer, variety, EuroMaus Van Eerd, L. L., Congreves, K. A. et Zandstra, J. W. 2012. La qualite´de la betterave sucrie`re (Beta vulgaris L.) durant le stockage exte´rieur en tas importants est affecte´e par la me´thode de gestion des stocks, mais pas par l'usage d'engrais azote´s ni le cultivar. Can. J. Plant Sci. 92: xxxÁxxx. Bien que le stockage re´duise la quantite´de sucrose extraite de la betterave sucrie`re, les contraintes physiques ne´cessite l'entreposage d'une part importante de la re´colte avant transformation pendant un maximum de 120 jours. De 2006 a`2010, les auteurs ont e´value´se´pare´ment la fertilisation avec des engrais azote´s (0 a`220 kg de N par hectare), le cultivar et la me´thode de gestion des stocks en vue d'e´tablir l'incidence de ces parame`tres sur la capacite´d'entreposage des betteraves sucrie`res en gros tas exte´rieurs. À la re´colte, ils ont pre´leve´cinq e´chantillons repre´sentatifs de betteraves dans les parcelles soumises aux essais de fertilisation N et de cultivar, et les ont de´pose´s dans des amas importants stocke´s a`l'exte´rieur. Ils ont ensuite e´value´la qualite´des betteraves a`la re´colte et a`trois autres moments, durant l'entreposage. À la dernie`re date seulement, ils ont re´cupe´re´les e´chantillons des tas ge´re´s selon la dure´e d'entreposage ou par re´cupe´ration a`une extre´mite´de l'amas. Bien que l'us...

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Section: Cultivar Effect On Sugar Beet Storagementioning

confidence: 99%

Sugar beet (Beta vulgaris L.) storage quality in large outdoor piles is impacted by pile management but not by nitrogen fertilizer or cultivar

2012

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“…Respiration Respiration rate is highly and predictably correlated with sucrose loss (Wyse, Theurer & Doney, 1978), since sucrose is the main storage carbohydrate in sugar beet and the most important carbohydrate source for respiratory activity. Respiration accounts for 70-80% of sucrose loss during storage (Koster, Raats & Jorritsma, 1980).…”

Section: Physiology Biochemistry and Cell Biology Of Bruisingmentioning

confidence: 99%

Bruising of sugar beet roots and consequential sugar loss: current understanding and research needs

Wiltshire

Cobb

2000

Annals of Applied Biology

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Bruising of sugar beet roots and the consequential sugar loss do not receive the attention they deserve within the sugar beet industry. Recent harvester tests have indicated that current levels of bruising damage could be decreased with existing technology. There is, however, little understanding of biological factors affecting susceptibility to bruising of sugar beet roots. This paper examines the available information on causes of bruising, the significance of some tissue characteristics, the processes of sugar loss following bruising and agronomic, physiological and biochemical considerations relevant to bruising and the sugar loss that follows. Some research needs are identified in conclusion.

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“…Ex Fr., and Penicillium claviforme Brainier) have been developed and released to the public (Bugbee 1978;Campbell and Bugbee 1985). Differences in storage respiration rates among sugarbeet lines and hybrids have been acknowledged for some time (Nelson and Wood 1950;Cole 1977) and it appears there is sufficient genetic diversity for development of genotypes with low respiration rates in storage (Wyse et al 1978). The invert sugars, glucose and fructose, produced by the breakdown of sucrose, not only represent a direct loss of sucrose, but also hinder processing efficiency and decrease sucrose extractability (Dutton and Huijbregts 2006).…”

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Characterizing sugarbeet varieties for postharvest storage losses is complicated by environmental effects and genotype × environment interactions

Campbell¹,

Klotz²

2007

Can. J. Plant Sci.

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. 2007. Characterizing sugarbeet varieties for postharvest storage losses is complicated by environmental effects and genotype × × environment interactions. Can. J. Plant Sci. 87: 121-127. Each year millions of tons of sugarbeet (Beta vulgaris L.) roots are stored in large exposed piles prior to processing. During postharvest storage, respiration and invert sugar formation consume sucrose and even a small reduction in these losses would have substantial economic impact. This study investigated the relative importance of hybrid, environment, and hybrid × environment interactions and examined their implications in characterizing hybrids for sucrose loss during storage or developing hybrids with improved storage properties. Glucose, fructose, and extractable sucrose concentrations and respiration rate were measured 30 and 120 d after harvest (DAH) on five hybrids produced in six environments. Environment effects were significant on both dates for all traits except fructose 30 DAH. Significant hybrid × environment interactions were observed for respiration rate 30 and 120 DAH, for extractable sucrose 120 DAH, and for glucose concentration 30 DAH. The only trait with a significant hybrid main effect was extractable sucrose 30 DAH. For the 90 d between measurements, extractable sucrose losses for individual hybrid-environment combinations ranged from 1 to 63% of the sucrose available 30 DAH. It appeared that large environmental impacts and hybrid × environment interactions, compared to the relatively small hybrid influences, would complicate selecting parental lines with all or most of the storage traits desired. Furthermore, a comprehensive evaluation of commercial hybrids or breeding lines for storage traits would require considerable resources. Efforts to understand the impact of production practices and growing season environment on storage properties would probably be more productive than attempting to produce commercial hybrids with improved storage characteristics.

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Genetic Variability in Post‐harvest Respiration Rates of Sugarbeet Roots¹

Cited by 14 publications

References 0 publications

Sugar beet (Beta vulgaris L.) storage quality in large outdoor piles is impacted by pile management but not by nitrogen fertilizer or cultivar

Sugar beet (Beta vulgaris L.) storage quality in large outdoor piles is impacted by pile management but not by nitrogen fertilizer or cultivar

Bruising of sugar beet roots and consequential sugar loss: current understanding and research needs

Characterizing sugarbeet varieties for postharvest storage losses is complicated by environmental effects and genotype × environment interactions

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Genetic Variability in Post‐harvest Respiration Rates of Sugarbeet Roots1

Cited by 14 publications

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Sugar beet (Beta vulgaris L.) storage quality in large outdoor piles is impacted by pile management but not by nitrogen fertilizer or cultivar

Sugar beet (Beta vulgaris L.) storage quality in large outdoor piles is impacted by pile management but not by nitrogen fertilizer or cultivar

Bruising of sugar beet roots and consequential sugar loss: current understanding and research needs

Characterizing sugarbeet varieties for postharvest storage losses is complicated by environmental effects and genotype × environment interactions

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Genetic Variability in Post‐harvest Respiration Rates of Sugarbeet Roots¹