Effects of Foliar Fertilization on Incidence of Berry Shrivel and Bunch Stem Necrosis in<i>Vitis vinifera</i>L. CVS ‘Pinot Blanc’ and ‘Zweigelt’

Bachteler, Kristina; Riedel, M.; Merkt, Nikolaus; Schies, Wolfgang; Fröhlin, Jutta; Wünsche, J.

doi:10.1080/01904167.2014.939288

Cited by 5 publications

(4 citation statements)

References 7 publications

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“…Past studies focused on morpho-anatomical issues (Hall et al 2011 ; Bondada and Keller 2012a ; Bondada 2014 ; Crespo-Martínez et al 2019 ), nutritional aspects (Bachteler et al 2015 ; Bondada 2016 ; Griesser et al 2017 ), viticultural practices (Raifer et al 2014 ) or on a restricted list of genes (Griesser et al 2018 ).…”

Section: Discussionmentioning

confidence: 99%

“…The V. vinifera cv Zweigelt (St. Laurent × Blaufränkisch) is one of the most important red grape varieties in Austria. Several studies reported that this cultivar is particularly sensitive and highly affected by BS (in German Traubenwelke) (Knoll et al 2010 ; Griesser et al 2012 ; Bachteler et al 2015 ; Griesser et al 2017 , 2018 ). Unsteady yields are problematic and lead to high economic losses for producers and winemakers since it is not possible to obtain good quality grape and wine from BS grape.…”

Section: Introductionmentioning

confidence: 99%

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Transcriptomics of the grape berry shrivel ripening disorder

et al. 2019

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Key message The lower expression at veraison of several ripening master regulators “switch genes” can play a central role in the induction of the berry shrivel ripening physiological disorder in grapevine. Abstract Berry shrivel (BS) is a ripening physiological disorder affecting grape berry with visible symptoms appearing after veraison. Berry shrivel leads to shrinking berries with a reduced weight and a lower content of sugars and anthocyanins. In this study, for the first time a transcriptomic analysis coupled with selected metabolites quantification was undertaken to understand the metabolic modifications induced by the disorder. Different stages of berry development were considered including pre- and symptomatic berries. No metabolic alterations in the berry transcriptome and in the metabolite content was observed in pre-symptomatic and pre-veraison samples. Interestingly, at veraison, with still not visible symptoms appearing on the berry, a subset of genes, called switch genes previously suggested as master regulators of the ripening onset in grape berries, were strongly lower expressed in BS. Later during the ripening phase and with visible symptoms of the disorder, more than 3000 genes were differentially expressed. The genes up-regulated were related to hormone biosynthesis, response to stress and the phenylpropanoid pathway, while the genes down-regulated during ripening belonged mainly to the flavonoid pathway, and the sugar metabolism. In agreement, BS berries showed lower content of sugars and anthocyanins from the onset of veraison onward, while the amount of acids was not significantly affected. In conclusion, these results highlight a pivotal role of the switch genes in grapevine ripening, as well as their possible contribution to induce the ripening disorder berry shrivel, although it remains unclear whether this is part of the cause or consequences of the BS disorder. Electronic supplementary material The online version of this article (10.1007/s11103-019-00859-1) contains supplementary material, which is available to authorized users.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Transcriptomics of the grape berry shrivel ripening disorder

et al. 2019

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“…Consistent with an onset at veraison, the seeds of BS‐affected berries appear healthy and germinate at rates similar to those of unaffected berries (Hall et al 2011, Bondada and Keller 2012a). Although pathological, nutritional and other environmental stressors have been evaluated, the cause of this disorder remains unknown (Knoll et al 2006, Krasnow et al 2009, Bachteler et al 2015, Zufferey et al 2015, Keller et al 2016, Griesser et al 2017). Though the rather sudden cessation of sugar accumulation by BS berries implies a disruption of phloem inflow, it is unknown whether this disruption originates in the berries themselves or in the bunch rachis (Bondada and Keller 2012a, Bondada 2014, Keller et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Onset and progression of the berry shrivel ripening disorder in grapes

Hoff

Bondada

Keller

2020

Australian Journal of Grape and Wine Research

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Background and Aims The grape ripening disorder called berry shrivel is characterised by cessation of sugar accumulation, low pH, impaired anthocyanin biosynthesis in dark‐skinned cultivars and water loss. We tested whether damage to the bunch peduncle vasculature can induce berry shrivel and whether cell death in the rachis precedes cell death in the berries. Methods and Results Peduncle phloem removal, but not xylem removal, resulted in symptoms resembling berry shrivel. Fluorescein diacetate staining, however, and microscopic observations of non‐manipulated bunches showed that cell death in the berries often preceded that in the rachis. Mesocarp cell death started around the central vasculature proximal to the seeds and spread outward as symptoms worsened. Berries near the bunch tip were the earliest to be affected and developed the most severe symptoms, but ripening of all berries on symptomatic bunches was impaired. Conclusions Loss of functionality of the rachis phloem may not be the primary cause of berry shrivel. The disorder may originate in the distal berries of a bunch and spread towards the proximal berries as they soften at the onset of ripening. Significance of the Study This study contributes towards an eventual understanding of the causes and consequences of an important grape ripening disorder.

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“…There is no obvious explanation for why some grape clusters on a shoot or a vine are affected while others remain healthy, or why some vines have clusters with BS symptoms while others produce wholly healthy grapes. The premise that BS is a consequence of potassium deficiency could not be experimentally validated ( Bachteler et al , 2015a , b ; Griesser et al , 2017 ), compelling us to explore soil, climate, or micro-climate factors as potential causes, as growers observe BS under varied growing conditions. The elucidation of potential environmental triggers could help to understand the patchiness of BS incidence, possibly by determining inflorescence development and fruit set or ripening onset.…”

Section: Research Achievements Hypotheses and Open Questionsmentioning

confidence: 99%

Berry shrivel in grapevine: a review considering multiple approaches

Griesser,

Savoi,

Bondada

et al. 2024

Journal of Experimental Botany

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Grapevine berry shrivel, a ripening disorder, causes significant economic losses in the worldwide wine and table grape industries. An early interruption in ripening leads to this disorder, resulting in shriveling and reduced sugar accumulation affecting yield and fruit quality. Loss of sink strength associated with berry mesocarp cell death is an early symptom of this disorder; however, potential internal or external triggers are yet to be explored. No pathogens have been identified that might cause the ripening syndrome. Understanding the underlying causes and mechanisms contributing to berry shrivel is crucial for developing effective mitigation strategies and finding solutions for other ripening disorders associated with climacteric and non-climacteric fruits. This review discusses alterations in the fruit ripening mechanism induced by berry shrivel disorder, focusing primarily on sugar transport and metabolism, cell wall modification and cell death, and changes in the phytohormone profile. The essential open questions are extracted and analyzed, thus identifying the critical knowledge gaps and key challenges for future research.

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Effects of Foliar Fertilization on Incidence of Berry Shrivel and Bunch Stem Necrosis inVitis viniferaL. CVS ‘Pinot Blanc’ and ‘Zweigelt’

Cited by 5 publications

References 7 publications

Transcriptomics of the grape berry shrivel ripening disorder

Transcriptomics of the grape berry shrivel ripening disorder

Onset and progression of the berry shrivel ripening disorder in grapes

Berry shrivel in grapevine: a review considering multiple approaches

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