Pawelzik, Elke

[["dc.bibliographiccitation.firstpage","1203"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Agronomy"],["dc.bibliographiccitation.volume","11"],["dc.contributor.author","Kanski, Larissa"],["dc.contributor.author","Kahle, Hannah"],["dc.contributor.author","Naumann, Marcel"],["dc.contributor.author","Hagenguth, Julia"],["dc.contributor.author","Ulbrich, Andreas"],["dc.contributor.author","Pawelzik, Elke"],["dc.date.accessioned","2021-08-12T07:45:48Z"],["dc.date.available","2021-08-12T07:45:48Z"],["dc.date.issued","2021"],["dc.description.abstract","The yield and fruit quality parameters of tomatoes are influenced by environmental conditions, and cultivation systems play an important role in improving quality, apart from breeding. We examined five breeding lines and one cultivar in five cultivation systems for yield and fruit quality parameters. The cultivation systems include a single-glazed greenhouse with and without supplementary LED interlighting; a double-glazed greenhouse with and without supplementary LED interlighting; and an organic cultivation system on the field with a rainout shelter. Plants and fruits grown in the double glazing system showed significantly lower values for plant height, yield, DM, TSS, fructose, glucose, antioxidant capacity (DPPH, TEAC), TPC, calcium, phosphorus, and manganese content than in the single-glazed greenhouse, which can be explained by the lower light transmittance. However, it could be seen that the additional LED interlighting could lower the negative effect on yield and quality traits due to double glazing."],["dc.description.abstract","The yield and fruit quality parameters of tomatoes are influenced by environmental conditions, and cultivation systems play an important role in improving quality, apart from breeding. We examined five breeding lines and one cultivar in five cultivation systems for yield and fruit quality parameters. The cultivation systems include a single-glazed greenhouse with and without supplementary LED interlighting; a double-glazed greenhouse with and without supplementary LED interlighting; and an organic cultivation system on the field with a rainout shelter. Plants and fruits grown in the double glazing system showed significantly lower values for plant height, yield, DM, TSS, fructose, glucose, antioxidant capacity (DPPH, TEAC), TPC, calcium, phosphorus, and manganese content than in the single-glazed greenhouse, which can be explained by the lower light transmittance. However, it could be seen that the additional LED interlighting could lower the negative effect on yield and quality traits due to double glazing."],["dc.description.sponsorship","Ministry for Science and Culture of Lower Saxony"],["dc.description.sponsorship","Open-Access-Publikationsfonds 2021"],["dc.identifier.doi","10.3390/agronomy11061203"],["dc.identifier.pii","agronomy11061203"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/88555"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-448"],["dc.relation.eissn","2073-4395"],["dc.relation.orgunit","Department für Nutzpflanzenwissenschaften"],["dc.rights","CC BY 4.0"],["dc.title","Cultivation Systems, Light Intensity, and Their Influence on Yield and Fruit Quality Parameters of Tomatoes"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Frontiers in Nutrition"],["dc.bibliographiccitation.volume","9"],["dc.contributor.affiliation","Erika, Cut; 1Division Quality of Plant Products, Department of Crop Sciences, University of Göttingen, Göttingen, Germany"],["dc.contributor.affiliation","Ulrich, Detlef; 2Institute for Ecological Chemistry, Plant Analysis and Stored Product Protection, Julius Kühn-Institute (JKI), Federal Research Centre for Cultivated Plants, Quedlinburg, Germany"],["dc.contributor.affiliation","Naumann, Marcel; 1Division Quality of Plant Products, Department of Crop Sciences, University of Göttingen, Göttingen, Germany"],["dc.contributor.affiliation","Smit, Inga; 1Division Quality of Plant Products, Department of Crop Sciences, University of Göttingen, Göttingen, Germany"],["dc.contributor.affiliation","Horneburg, Bernd; 3Section of Genetic Resources and Organic Plant Breeding, Department of Crop Sciences, University of Göttingen, Göttingen, Germany"],["dc.contributor.affiliation","Pawelzik, Elke; 1Division Quality of Plant Products, Department of Crop Sciences, University of Göttingen, Göttingen, Germany"],["dc.contributor.author","Erika, Cut"],["dc.contributor.author","Ulrich, Detlef"],["dc.contributor.author","Naumann, Marcel"],["dc.contributor.author","Smit, Inga"],["dc.contributor.author","Horneburg, Bernd"],["dc.contributor.author","Pawelzik, Elke"],["dc.date.accessioned","2022-08-04T07:51:34Z"],["dc.date.available","2022-08-04T07:51:34Z"],["dc.date.issued","2022-07-14"],["dc.date.updated","2022-07-28T10:43:23Z"],["dc.description.abstract","This study was conducted to determine the volatile organic compounds (VOCs) associated with fruit flavor in diverse tomato cultivars (salad and cocktail cultivars) under organic low-input production. For this objective, 60 cultivars deriving from very diverse breeding programs 1880–2015 were evaluated in 2015, and a subset of 20 cultivars was selected for further evaluation in 2016. The diversity of instrumentally determined traits, especially for VOCs concentration and sensory properties (fruit firmness, juiciness, skin firmness, sweetness, sourness, aroma, and acceptability), was investigated at two harvest dates. The evaluation of the cultivars exhibited a wide range of variation for all studied traits, with the exception of a few VOCs. Cultivar had the most important effect on all instrumentally determined traits, while the influence of cultivar × harvest date × year interaction was significant for 17 VOCs, but not for total soluble solid (TSS) and titratable acidity (TA). The VOCs with the highest proportion (>8%) were hexanal, 6-methyl-5-heptene-2-one, 2-isobutylthiazole, and (E)-2-hexenal, which were identified in all cultivars. Twelve VOCs significantly correlated with one or more sensory attributes and these VOCs also allowed differentiation of the fruit type. Among these VOCs, phenylethyl alcohol and benzyl alcohol positively correlated with acceptability in the cocktail cultivars, whereas 2-isobuthylthiazole and 6-methyl-5-hepten-2-ol negatively correlated with acceptability in the salad cultivars. As a result of this study, organic breeders are recommended to use cultivars from a wide range of breeding programs to improve important quality and agronomic traits. As examples, salad tomatoes “Campari F1”, “Green Zebra”, and “Auriga”, as well as cocktail tomatoes “Supersweet 100 F1”, “Sakura F1”, and “Black Cherry” showed higher scores for the sensory attributes aroma and acceptability under organic low-input growing conditions. It remains a challenge for breeders and growers to reduce the trade-off of yield and quality."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2022"],["dc.identifier.doi","10.3389/fnut.2022.916642"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/112613"],["dc.language.iso","en"],["dc.relation.eissn","2296-861X"],["dc.rights","CC BY 4.0"],["dc.rights.uri","http://creativecommons.org/licenses/by/4.0/"],["dc.title","Flavor and Other Quality Traits of Tomato Cultivars Bred for Diverse Production Systems as Revealed in Organic Low-Input Management"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Frontiers in Plant Science"],["dc.bibliographiccitation.volume","13"],["dc.contributor.affiliation","Wilmer, Lisanne; Department of Crop Sciences, Division Quality of Plant Products, University of Göttingen, Göttingen, Germany"],["dc.contributor.affiliation","Pawelzik, Elke; Department of Crop Sciences, Division Quality of Plant Products, University of Göttingen, Göttingen, Germany"],["dc.contributor.affiliation","Naumann, Marcel; Department of Crop Sciences, Division Quality of Plant Products, University of Göttingen, Göttingen, Germany"],["dc.contributor.author","Wilmer, Lisanne"],["dc.contributor.author","Pawelzik, Elke"],["dc.contributor.author","Naumann, Marcel"],["dc.date.accessioned","2022-07-25T12:26:05Z"],["dc.date.available","2022-07-25T12:26:05Z"],["dc.date.issued","2022-07-11"],["dc.date.updated","2022-07-25T11:36:52Z"],["dc.description.abstract","Potatoes are an important staple food with high yield potential and great nutritional value. Potassium (K) fertilisation can increase both tuber yield and quality, but its effects differ depending on the K fertilisation form. Potatoes are known to be chloride sensitive, since chloride ions can influence, for example, the starch content. Therefore, fertilisations shortly before planting using potassium sulphate (K2SO4) are often recommended instead of potassium chloride (KCl). However, the use of different fertilisation forms is contradictory, and the chloride sensitivity of potatoes remains unclear. To examine this issue in more detail, a 2-year field experiment using two cultivars, “Laura” and “Marabel,” was conducted. K fertilisation with 240 kg K2O as K2SO4 and KCl was applied, and the control remained unfertilised. Quality traits, including internal and external parameters, were analysed after harvest and after 5 months of storage at 6°C. The results revealed minor effects on yield, but the starch content and ascorbic acid concentration were reduced due to the KCl supply. Furthermore, the reducing sugar concentration in tubers increased during storage more after KCl compared to K2SO4 fertilisation. Moreover, volatile compounds were affected by the K fertilisation form, with higher levels of lipid-derived off-flavour compounds after KCl application. However, the effects of cultivation year, cultivar, and storage interacted with the influence of the fertilisation form. In summary, KCl fertilisation can disadvantageously influence several quality traits, but the use of potato cultivars should also be considered when recommending fertilisers."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2022"],["dc.identifier.doi","10.3389/fpls.2022.920212"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/112535"],["dc.language.iso","en"],["dc.relation.eissn","1664-462X"],["dc.rights","CC BY 4.0"],["dc.rights.uri","http://creativecommons.org/licenses/by/4.0/"],["dc.title","Comparison of the Effects of Potassium Sulphate and Potassium Chloride Fertilisation on Quality Parameters, Including Volatile Compounds, of Potato Tubers After Harvest and Storage"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","723862"],["dc.bibliographiccitation.journal","Frontiers in Plant Science"],["dc.bibliographiccitation.volume","12"],["dc.contributor.author","Chea, Leangsrun"],["dc.contributor.author","Meijide Orive, Ana"],["dc.contributor.author","Meinen, Catharina"],["dc.contributor.author","Pawelzik, Elke"],["dc.contributor.author","Naumann, Marcel"],["dc.date.accessioned","2021-10-01T09:58:19Z"],["dc.date.available","2021-10-01T09:58:19Z"],["dc.date.issued","2021-08-30"],["dc.description.abstract","The limited availability of phosphorus (P) in soils causes a major constraint in the productivity of potatoes, which requires increased knowledge of plant adaptation responses in this condition. In this study, six potato cultivars, namely, Agria, Lady Claire, Milva, Lilly, Sieglinde, and Verdi, were assessed for their responses on plant growth, leaf physiology, P use efficiency (PUE), and tuber quality with three P levels (P low , P med , and P high ). The results reveal a significant variation in the cultivars in response to different P availabilities. P-efficient cultivars, Agria, Milva, and Lilly, possessed substantial plant biomass, tuber yield, and high P uptake efficiency (PUpE) under low P supply conditions. The P-inefficient cultivars, Lady Claire, Sieglinde, and Verdi, could not produce tubers under P deprivation conditions, as well as the ability to efficiently uptake P under low-level conditions, but they were efficient in P uptake under high soil P conditions. Improved PUpE is important for plant tolerance with limited P availability, which results in the efficient use of the applied P. At the leaf level, increased accumulations of nitrate, sulfate, sucrose, and proline are necessary for a plant to acclimate to P deficiency-induced stress and to mobilize leaf inorganic phosphate to increase internal PUE and photosynthesis. The reduction in plant biomass and tuber yield under P-deficient conditions could be caused by reduced CO 2 assimilation. Furthermore, P deficiency significantly reduced tuber yield, dry matter, and starch concentration in Agria, Milva, and Lilly. However, contents of tuber protein, sugars, and minerals, as well as antioxidant capacity, were enhanced under these conditions in these cultivars. These results highlight the important traits contributing to potato plant tolerance under P-deficient conditions and indicate an opportunity to improve the P efficiency and tuber quality of potatoes under deficient conditions using more efficient cultivars. Future research to evaluate molecular mechanisms related to P and sucrose translocation, and minimize tuber yield reduction under limited P availability conditions is necessary."],["dc.description.abstract","The limited availability of phosphorus (P) in soils causes a major constraint in the productivity of potatoes, which requires increased knowledge of plant adaptation responses in this condition. In this study, six potato cultivars, namely, Agria, Lady Claire, Milva, Lilly, Sieglinde, and Verdi, were assessed for their responses on plant growth, leaf physiology, P use efficiency (PUE), and tuber quality with three P levels (P low , P med , and P high ). The results reveal a significant variation in the cultivars in response to different P availabilities. P-efficient cultivars, Agria, Milva, and Lilly, possessed substantial plant biomass, tuber yield, and high P uptake efficiency (PUpE) under low P supply conditions. The P-inefficient cultivars, Lady Claire, Sieglinde, and Verdi, could not produce tubers under P deprivation conditions, as well as the ability to efficiently uptake P under low-level conditions, but they were efficient in P uptake under high soil P conditions. Improved PUpE is important for plant tolerance with limited P availability, which results in the efficient use of the applied P. At the leaf level, increased accumulations of nitrate, sulfate, sucrose, and proline are necessary for a plant to acclimate to P deficiency-induced stress and to mobilize leaf inorganic phosphate to increase internal PUE and photosynthesis. The reduction in plant biomass and tuber yield under P-deficient conditions could be caused by reduced CO 2 assimilation. Furthermore, P deficiency significantly reduced tuber yield, dry matter, and starch concentration in Agria, Milva, and Lilly. However, contents of tuber protein, sugars, and minerals, as well as antioxidant capacity, were enhanced under these conditions in these cultivars. These results highlight the important traits contributing to potato plant tolerance under P-deficient conditions and indicate an opportunity to improve the P efficiency and tuber quality of potatoes under deficient conditions using more efficient cultivars. Future research to evaluate molecular mechanisms related to P and sucrose translocation, and minimize tuber yield reduction under limited P availability conditions is necessary."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2021"],["dc.identifier.doi","10.3389/fpls.2021.723862"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/90039"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-469"],["dc.publisher","Frontiers Media S.A."],["dc.relation.doi","10.3389/fpls.2021.723862"],["dc.relation.eissn","1664-462X"],["dc.relation.orgunit","Department für Nutzpflanzenwissenschaften"],["dc.relation.orgunit","Abteilung Pflanzenbau"],["dc.relation.orgunit","Abteilung Qualität pflanzlicher Erzeugnisse"],["dc.relation.orgunit","Fakultät für Agrarwissenschaften"],["dc.rights","http://creativecommons.org/licenses/by/4.0/"],["dc.title","Cultivar-Dependent Responses in Plant Growth, Leaf Physiology, Phosphorus Use Efficiency, and Tuber Quality of Potatoes Under Limited Phosphorus Availability Conditions"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","12326"],["dc.bibliographiccitation.issue","21"],["dc.bibliographiccitation.journal","Sustainability"],["dc.bibliographiccitation.volume","13"],["dc.contributor.author","Chea, Leangsrun"],["dc.contributor.author","Erika, Cut"],["dc.contributor.author","Naumann, Marcel"],["dc.contributor.author","Smit, Inga"],["dc.contributor.author","Horneburg, Bernd"],["dc.contributor.author","Pawelzik, Elke"],["dc.date.accessioned","2022-01-11T14:07:55Z"],["dc.date.available","2022-01-11T14:07:55Z"],["dc.date.issued","2021"],["dc.description.abstract","Increasing fruit yield and quality of tomatoes under organic low-input conditions remains a challenge for producers and breeders. Therefore, it is necessary to identify superior tomato cultivars that are suitable for production and use as parents in breeding programmes. In the present study, the variations in plant morphology and fruit quality characteristics of tomato cultivars were assessed to reveal the traits associated with improved yield and fruit quality. Sixty diverse tomato cultivars were screened in 2015, and in 2016, a subset of 20 cultivars was selected for further evaluation under organic low-input conditions. The results showed high variability among cultivars in all 28 traits that were observed. Salad cultivars had lower plant growth and fruit quality (minerals, dry matter, total soluble solids, and total phenolics) by 10–70%, but they displayed 10–60% higher fruit yield and leaf minerals than cocktail cultivars. Salad tomato cultivars with superior yield and harvest index were mainly derived from breeding for intensive indoor production. Cocktail cultivars with superior yield were mainly derived from organic and outdoor breeding programs. There was a trade-off between fruit yield and quality, indicating a challenge for simultaneous improvement of yield and quality. The importance of Mg was highlighted because of its contribution to the fruit mineral concentration and fruit quality. Cultivars superior in one trait or trait combination under organic low-input conditions were identified to be used by producers and breeders as superior cultivars to meet their production targets and breeding objectives. The importance of Mg provides a novel path for further research on improving soil-available Mg in organic tomato production to enhance fruit mineral concentration and fruit quality in general."],["dc.description.abstract","Increasing fruit yield and quality of tomatoes under organic low-input conditions remains a challenge for producers and breeders. Therefore, it is necessary to identify superior tomato cultivars that are suitable for production and use as parents in breeding programmes. In the present study, the variations in plant morphology and fruit quality characteristics of tomato cultivars were assessed to reveal the traits associated with improved yield and fruit quality. Sixty diverse tomato cultivars were screened in 2015, and in 2016, a subset of 20 cultivars was selected for further evaluation under organic low-input conditions. The results showed high variability among cultivars in all 28 traits that were observed. Salad cultivars had lower plant growth and fruit quality (minerals, dry matter, total soluble solids, and total phenolics) by 10–70%, but they displayed 10–60% higher fruit yield and leaf minerals than cocktail cultivars. Salad tomato cultivars with superior yield and harvest index were mainly derived from breeding for intensive indoor production. Cocktail cultivars with superior yield were mainly derived from organic and outdoor breeding programs. There was a trade-off between fruit yield and quality, indicating a challenge for simultaneous improvement of yield and quality. The importance of Mg was highlighted because of its contribution to the fruit mineral concentration and fruit quality. Cultivars superior in one trait or trait combination under organic low-input conditions were identified to be used by producers and breeders as superior cultivars to meet their production targets and breeding objectives. The importance of Mg provides a novel path for further research on improving soil-available Mg in organic tomato production to enhance fruit mineral concentration and fruit quality in general."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2021"],["dc.identifier.doi","10.3390/su132112326"],["dc.identifier.pii","su132112326"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/97890"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-507"],["dc.relation.eissn","2071-1050"],["dc.relation.orgunit","Abteilung Qualität pflanzlicher Erzeugnisse"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0/"],["dc.title","Morphological, Leaf Nutrient, and Fruit Quality Characteristics of Diverse Tomato Cultivars under Organic Low-Input Management"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Frontiers in Plant Science"],["dc.bibliographiccitation.volume","11"],["dc.contributor.author","Erika, Cut"],["dc.contributor.author","Griebel, Stefanie"],["dc.contributor.author","Naumann, Marcel"],["dc.contributor.author","Pawelzik, Elke"],["dc.date.accessioned","2021-04-14T08:30:59Z"],["dc.date.available","2021-04-14T08:30:59Z"],["dc.date.issued","2020"],["dc.description.abstract","In many regions of the world, human nutrition is still characterized by an insufficient intake of essential nutrients like minerals such as iron (Fe) and zinc (Zn). In view of decreasing resources and a growing world population, the efficiency and the sustainability of cultivation systems should be considered not only in terms of crop yield and profit margin but also in terms of the yield of essential nutrients. Tomatoes are the most consumed vegetable in the world. Organic outdoor tomato cultivation is generally characterized by a higher diversity of varieties and lower fertilization input compared to conventional production. A 2-year field experiment with a set of 20 cultivars was performed to evaluate their variation regarding fruit mineral concentrations [potassium (K), calcium (Ca), magnesium (Mg), phosphorous (P), Fe, and Zn], their contribution to the dietary reference intake (DRI), and the nutritional yields (adults ha–1 year–1). Results show that mineral concentrations differed significantly by cultivar and by year. However, even though significant genotype-by-year effects appear, several cultivars exhibit high genotype stability across years for the single traits studied. Taking this together with medium-to-high heritability, genetics strongly controls most studied traits. Among the cultivars, the contribution of 100 g fresh fruits varied from 4.5 to 7.7% for K, 0.8 to 1.8% for Ca, 2.3 to 4.4% for Mg, 3 to 6.6% for P, 3.1 to 6.9% for Fe, and 1.9 to 4.2% for Zn to meet daily requirements. Based on average fruit yields per hectare, the cultivars varied with regard to the nutritional yields for all the studied minerals, but most strongly for Fe (44–120 adults ha–1 year–1) and Zn (22–84 adults ha–1 year–1). In terms of contribution to the DRI and nutritional yield for Fe, the cocktail cultivar “Bartelly F1” produced the highest results, while for Zn the salad cultivar “Bocati F1” showed the highest values. Our results show that the targeted use of tomato biodiversity in organic outdoor production can be suitable to achieve high fruit yields as well as to produce high nutritional yields per unit area, thus contributing to more effective land use and improved food security. These findings also provide valuable insights for tomato breeders to improve the tomato fruit quality while maintaining yield."],["dc.identifier.doi","10.3389/fpls.2020.589692"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/17662"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/83446"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.publisher","Frontiers Media S.A."],["dc.relation.eissn","1664-462X"],["dc.rights","http://creativecommons.org/licenses/by/4.0/"],["dc.title","Biodiversity in Tomatoes: Is It Reflected in Nutrient Density and Nutritional Yields Under Organic Outdoor Production?"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Frontiers in Plant Science"],["dc.bibliographiccitation.volume","11"],["dc.contributor.author","Kanski, Larissa"],["dc.contributor.author","Naumann, Marcel"],["dc.contributor.author","Pawelzik, Elke"],["dc.date.accessioned","2021-04-14T08:26:26Z"],["dc.date.available","2021-04-14T08:26:26Z"],["dc.date.issued","2020"],["dc.description.abstract","Consumer complaints about the flavor of fresh tomato fruits (Solanum lycopersicum L.) have increased in the past few decades, and numerous studies have been done on the flavor of tomatoes and how it is influenced. However, it has not yet been taken into account how consumer handling affects the flavor when considering the complete post-harvest chain—from retailer (distributor) to retail to consumer. In this study, the impact of two household storage regimes on the volatile profile and important flavor-related compounds were examined, considering the entire post-harvest handling. New breeding lines (n = 2) and their parental cultivars (n = 3) were evaluated. Fruits were harvested ripe and stored at 12.5°C for 1 day, at 20°C for 2 days, and afterward at either 20 or 7°C for another 4 days. The aroma volatile profile was measured using GC-MS and GC-FID. A trained panel was used to characterize the sensory attributes of the fruits. In both storage regimes, the relative amount of hexanal increased during the storage period in three of the five cultivars/breeding lines while benzaldehyde was the only volatile compound that decreased significantly in four cultivars/breeding lines. The relative concentration of the precursors of lipid-derived volatiles—linoleic (C18:2) and linolenic (C18:3) acid—did not change in both storage regimes. The lycopene and β-carotene contents increased slightly during storage (20 and 7°C), as the carotenoid-derived volatile 6-methyl-5-hepten-2-one did. The fructose and glucose concentrations did not vary significantly, while the content of total soluble solids increased during both storage regimes. No significant difference could be found between the fruits stored at 20 or 7°C for 4 days after the post-harvest handling in all the parameters analyzed, including the sensory analysis, considering all cultivars/breeding lines. A storage temperature of 7°C is not detrimental for the flavor of ripe fruits under the experimental conditions used. The genetic background of the studied cultivars/breeding lines have a higher impact on the flavor variation than the two common household storage conditions when storing ripe fruits and taking the entire post-harvest handling into account."],["dc.identifier.doi","10.3389/fpls.2020.00472"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/17383"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/81945"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.publisher","Frontiers Media S.A."],["dc.relation.eissn","1664-462X"],["dc.rights","http://creativecommons.org/licenses/by/4.0/"],["dc.title","Flavor-Related Quality Attributes of Ripe Tomatoes Are Not Significantly Affected Under Two Common Household Conditions"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","5162"],["dc.bibliographiccitation.issue","10"],["dc.bibliographiccitation.journal","International Journal of Molecular Sciences"],["dc.bibliographiccitation.volume","22"],["dc.contributor.affiliation","Chea, Leangsrun; \t\t \r\n\t\t Department of Crop Sciences, Division Quality of Plant Products, University of Göttingen, Carl-Sprengel-Weg 1, 37075 Göttingen, Germany, leangsrun.chea@agr.uni-goettingen.de"],["dc.contributor.affiliation","Pfeiffer, Birgit; \t\t \r\n\t\t Department of Genomic and Applied Microbiology, Institute of Microbiology and Genetics, University of Göttingen, Grisebachstraße 8, 37077 Göttingen, Germany, bpfeiff@gwdg.de"],["dc.contributor.affiliation","Schneider, Dominik; \t\t \r\n\t\t Department of Genomic and Applied Microbiology, Institute of Microbiology and Genetics, University of Göttingen, Grisebachstraße 8, 37077 Göttingen, Germany, dschnei1@gwdg.de"],["dc.contributor.affiliation","Daniel, Rolf; \t\t \r\n\t\t Department of Genomic and Applied Microbiology, Institute of Microbiology and Genetics, University of Göttingen, Grisebachstraße 8, 37077 Göttingen, Germany, rdaniel@gwdg.de"],["dc.contributor.affiliation","Pawelzik, Elke; \t\t \r\n\t\t Department of Crop Sciences, Division Quality of Plant Products, University of Göttingen, Carl-Sprengel-Weg 1, 37075 Göttingen, Germany, epawelz@gwdg.de"],["dc.contributor.affiliation","Naumann, Marcel; \t\t \r\n\t\t Department of Crop Sciences, Division Quality of Plant Products, University of Göttingen, Carl-Sprengel-Weg 1, 37075 Göttingen, Germany, marcel.naumann@agr.uni-goettingen.de"],["dc.contributor.author","Chea, Leangsrun"],["dc.contributor.author","Pfeiffer, Birgit"],["dc.contributor.author","Schneider, Dominik"],["dc.contributor.author","Daniel, Rolf"],["dc.contributor.author","Pawelzik, Elke"],["dc.contributor.author","Naumann, Marcel"],["dc.date.accessioned","2021-07-05T15:00:45Z"],["dc.date.available","2021-07-05T15:00:45Z"],["dc.date.issued","2021"],["dc.date.updated","2022-09-06T04:23:17Z"],["dc.description.abstract","Low phosphorus (P) availability is a major limiting factor for potatoes. P fertilizer is applied to enhance P availability; however, it may become toxic when plants accumulate at high concentrations. Therefore, it is necessary to gain more knowledge of the morphological and biochemical processes associated with P deficiency and toxicity for potatoes, as well as to explore an alternative approach to ameliorate the P deficiency condition. A comprehensive study was conducted (I) to assess plant morphology, mineral allocation, and metabolites of potatoes in response to P deficiency and toxicity; and (II) to evaluate the potency of plant growth-promoting rhizobacteria (PGPR) in improving plant biomass, P uptake, and metabolites at low P levels. The results revealed a reduction in plant height and biomass by 60–80% under P deficiency compared to P optimum. P deficiency and toxicity conditions also altered the mineral concentration and allocation in plants due to nutrient imbalance. The stress induced by both P deficiency and toxicity was evident from an accumulation of proline and total free amino acids in young leaves and roots. Furthermore, root metabolite profiling revealed that P deficiency reduced sugars by 50–80% and organic acids by 20–90%, but increased amino acids by 1.5–14.8 times. However, the effect of P toxicity on metabolic changes in roots was less pronounced. Under P deficiency, PGPR significantly improved the root and shoot biomass, total root length, and root surface area by 32–45%. This finding suggests the potency of PGPR inoculation to increase potato plant tolerance under P deficiency."],["dc.description.abstract","Low phosphorus (P) availability is a major limiting factor for potatoes. P fertilizer is applied to enhance P availability; however, it may become toxic when plants accumulate at high concentrations. Therefore, it is necessary to gain more knowledge of the morphological and biochemical processes associated with P deficiency and toxicity for potatoes, as well as to explore an alternative approach to ameliorate the P deficiency condition. A comprehensive study was conducted (I) to assess plant morphology, mineral allocation, and metabolites of potatoes in response to P deficiency and toxicity; and (II) to evaluate the potency of plant growth-promoting rhizobacteria (PGPR) in improving plant biomass, P uptake, and metabolites at low P levels. The results revealed a reduction in plant height and biomass by 60–80% under P deficiency compared to P optimum. P deficiency and toxicity conditions also altered the mineral concentration and allocation in plants due to nutrient imbalance. The stress induced by both P deficiency and toxicity was evident from an accumulation of proline and total free amino acids in young leaves and roots. Furthermore, root metabolite profiling revealed that P deficiency reduced sugars by 50–80% and organic acids by 20–90%, but increased amino acids by 1.5–14.8 times. However, the effect of P toxicity on metabolic changes in roots was less pronounced. Under P deficiency, PGPR significantly improved the root and shoot biomass, total root length, and root surface area by 32–45%. This finding suggests the potency of PGPR inoculation to increase potato plant tolerance under P deficiency."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2021"],["dc.identifier.doi","10.3390/ijms22105162"],["dc.identifier.pii","ijms22105162"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/87895"],["dc.language.iso","en"],["dc.notes.intern","DOI Import DOI-Import GROB-441"],["dc.relation.eissn","1422-0067"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0/"],["dc.title","Morphological and Metabolite Responses of Potatoes under Various Phosphorus Levels and Their Amelioration by Plant Growth-Promoting Rhizobacteria"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","100102"],["dc.bibliographiccitation.journal","Plant Stress"],["dc.bibliographiccitation.volume","5"],["dc.contributor.author","Wilmer, Lisanne"],["dc.contributor.author","Tränkner, Merle"],["dc.contributor.author","Pawelzik, Elke"],["dc.contributor.author","Naumann, Marcel"],["dc.date.accessioned","2022-08-02T14:24:20Z"],["dc.date.available","2022-08-02T14:24:20Z"],["dc.date.issued","2022"],["dc.description.abstract","Potassium (K) plays a crucial role in reducing the severity of drought stress. Potatoes are considered drought\r\nsensitive crops due to their shallow root system. In this study, potato cultivars ‘Milva’ and ‘Agria’ grown under -K\r\n(75 μM) and +K (1000 μM) supply in a hydroponic system were examined under greenhouse conditions. Half of\r\nthe plants for each cultivar and K supply were treated for two weeks with polyethylene glycol (PEG) to induce\r\nosmotic stress at 67 days after planting (dap). For recovery, plants grew two more weeks without PEG. Plant\r\nheight, biomass, and water consumption were measured weekly. Leaflets were analysed before, during, and after\r\nPEG addition to subsequently determine parameters, for example, total free amino acids and metabolites.\r\nAdditionally, the K allocation in plant parts was determined. K supply and PEG positively affected biomass\r\nproduction, and the production of side shoots was enhanced with -K and PEG. The water consumption increased\r\nwith PEG addition in Milva, which was not observed in Agria. K and sugars accumulated in side shoots, showing\r\ncultivar and treatments specific reactions. Individual amino acids, including isoleucine, leucine, valine, and\r\nalanine, accumulated under low K supply and PEG-induced osmotic stress, and functional characterization could\r\nprovide information on the response to drought stress. However, K remained an important variable, providing\r\nfunctions of other osmolytes to maintain plant metabolism. The results revealed morphophysiological and\r\nbiochemical indications for adaption mechanisms against osmotic stress and may help to identify drought stress tolerant cultivars."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2022"],["dc.identifier.doi","10.1016/j.stress.2022.100102"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/112596"],["dc.language.iso","en"],["dc.relation.issn","2667-064X"],["dc.relation.orgunit","Abteilung Qualität pflanzlicher Erzeugnisse"],["dc.rights","CC BY-NC-ND 4.0"],["dc.title","Sufficient potassium supply enhances tolerance of potato plants to PEG-induced osmotic stress"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Scientific Reports"],["dc.bibliographiccitation.volume","10"],["dc.contributor.author","Koch, Mirjam"],["dc.contributor.author","Winkelmann, Merle Katharina"],["dc.contributor.author","Hasler, Mario"],["dc.contributor.author","Pawelzik, Elke"],["dc.contributor.author","Naumann, Marcel"],["dc.date.accessioned","2021-04-14T08:25:45Z"],["dc.date.available","2021-04-14T08:25:45Z"],["dc.date.issued","2020"],["dc.identifier.doi","10.1038/s41598-020-65896-z"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/17455"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/81724"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.notes.intern","Merged from goescholar"],["dc.relation.eissn","2045-2322"],["dc.rights","CC BY 4.0"],["dc.rights.uri","http://creativecommons.org/licenses/by/4.0/"],["dc.title","Root growth in light of changing magnesium distribution and transport between source and sink tissues in potato (Solanum tuberosum L.)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]