Chiara Pastore

Chiara Pastore
University of Bologna | UNIBO · Department of Agri-Food Sciences and Technologies

PhD

About

75
Publications
7,022
Reads
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721
Citations
Additional affiliations
January 2011 - present
University of Bologna
Position
  • Research Assistant
April 2004 - present
University of Bologna
Position
  • Research Assistant

Publications

Publications (75)
Article
Full-text available
The intensification of highly specialized viticulture has led to a dramatic decrease of soil fertility that can be restored by increasing soil organic matter using organic fertilizers. The aim of the present experiment was to evaluate the effect of different organic amendments on vine vegetative growth and nutritional status, soil N availability an...
Chapter
La viticoltura dell'Emilia-Romagna è una delle più variegate in termini di tradizioni e contesti pedo-climatici. Il tutto si traduce in una straordinaria ricchezza ampelografica. Una regione mai conquistata dalle cultivar internazionali, che ha costruito il successo dei suoi 53.000 ha su vitigni di territorio: tra le 109 varietà di vite coltivabili...
Article
Raspberry fruit (Rubus idaeus L.) is highly appreciated by consumers for its quality characteristics and aromatic profile, determined by nearly 300 volatile organic compounds (VOCs). Although several microbes produce VOCs, their direct involvement in fruit aroma determination has been largely overlooked. In this study, the contribution of fruit-ass...
Article
Full-text available
One of the first effects of climate change in wine-growing areas is the advancement of phenological stages, especially concerning early berry ripening. In this condition, the decoupling between technological and phenolic maturity often occurs. Anthocyanins in red grapes are among the compounds that mostly contribute to phenolic maturity. However, t...
Article
Full-text available
Plant-associated microbes can shape plant phenotype, performance, and productivity. Cultivation methods can influence the plant microbiome structure and differences observed in the nutritional quality of differently grown fruits might be due to variations in the microbiome taxonomic and functional composition. Here, the influence of organic and int...
Article
Full-text available
High temperatures and the anomalous distribution of rainfall during the growing season may have a negative impact on grapevine yield and berry composition. In recent years, many studies have focused on the application of agronomical techniques to reduce the negative impact of heat waves on secondary metabolites such as phenols. In particular, treat...
Article
Full-text available
The study of phenolic maturity in Vitis vinifera L. requires a multidisciplinary approach to understand how the evolution of berry flavonoids and cell wall material influence the colour and the textures of red wine. This is a challenging issue which involves researchers of viticulture and enology, and the results of their work are of particular int...
Article
Full-text available
The effect of elicitors on secondary metabolism in vines is receiving much interest, since it has been shown that they are able to increase the accumulation of phenolics, especially anthocyanins. This research aims to investigate the biochemical and molecular effects of the application of a commercial yeast derivative (Saccharomyces cerevisiae) on...
Article
Full-text available
In the current scenario of rapidly evolving climate change, crop plants are more frequently subjected to stresses of both abiotic and biotic origin, including exposure to unpredictable and extreme climatic events, changes in plant physiology, growing season and phytosanitary hazard, and increased losses up to 30% and 50% in global agricultural prod...
Article
The Sardinian pear germplasm is an important resource of genetic diversity that can be used for increasing data on European pear germplasm, to optimise the efficiency of the association studies within the genome and to identify genomic regions that control the main horticultural traits. A set of 108 Sardinian pear genotypes, composed of 81 Pyrus co...
Article
A set of 178 grape accessions collected in Emilia Romagna, from widely cultivated to nearly extinct and thus maintained in ex-situ regional repositories, were analyzed at ten microsatellite (SSR) markers with the aim of their correct identification. Ampelographic and local historical information were also gathered. Varietal identity was established...
Article
Background and Aims Global warming can lead to technological ripening occurring in advance of phenolic maturity for red wine cultivars. This study evaluated the effect of post‐budburst winter pruning on the phenology, yield components, berry composition and phenolic maturity in Vitis vinifera L. cv. Merlot. Methods and Results Mechanically pre‐pru...
Article
Full-text available
The choice of training system may influence vineyard efficiency in terms of light interception and water consumption, particularly in the current context of climate change. On this basis, during the 2017 season, Sangiovese potted vines were grown outdoors using two different training systems: guyot vertical shoot positioned system (C) and V-shaped...
Article
Full-text available
Delaying winter pruning until after budburst is a technique that can retard vine phenological phases and reduce grape sugar concentration at harvest. Given these characteristics, many studies have recently been conducted to verify the ability of pruning after budburst to contrast the negative effects of climate change. In our trial, vines of the cv...
Article
Full-text available
The effect of biotic and abiotic elicitors on the secondary metabolism in grapevine is gaining a lot of interest, as it has been shown that they can increase the accumulation of phenolic compounds and anthocyanins in particular. The aim of this research was to verify the biochemical and molecular effects of the application of LalVigne™ MATURE (Lall...
Article
BACKGROUND Vineyard strategies have recently been developed to fight the effects of global warming on grapevine, which is causing fast grape ripening, excessive sugar accumulation in berries and high alcohol levels in wines. Among these, we evaluate the effectiveness of post‐veraison trimming to slow down sugar accumulation without modifying phenol...
Article
Full-text available
Climate change is a major concern in grape production worldwide. Nights have been warming much faster than the days, raising attention on the effect of night temperatures on grape and wine composition. In this study we evaluated the effect of night temperatures on grape coloration in the cv. Corvina (Vitis vinifera L.). In 2015 and 2016 potted plan...
Article
Full-text available
Among environmental factors, temperature is the one that poses serious threats to viticulture in the present and future scenarios of global climate change. In this work, we evaluated the effects on berry ripening of two thermal regimes, imposed from veraison to harvest. Potted vines were grown in two air-conditioned greenhouses with High Temperatur...
Article
Full-text available
Leaf removal is a grapevine canopy management technique widely used to modify the source–sink balance and/or microclimate around berry clusters to optimize fruit composition. In general, the removal of basal leaves before flowering reduces fruit set, hence achieving looser clusters, and improves grape composition since yield is generally curtailed...
Article
In ‘Trebbiano Romagnolo’ grapevines basal bud fertility is usually low and can be related to bud N status. The aim of the present investigation was to evaluate the effect of foliar N application on bud fertility in a mature vineyard subjected to two levels of soil N (39 and 78 kg N ha⁻¹) fertility induced by application of urea. Both the vines at l...
Article
The elimination of a certain number of leaves around bunches before veraison is a common practice in vineyards to increase berries sunlight exposure, which, if acting in synergy with temperature increase, may affect grape anthocyanin and flavonol composition and give rise to contradictory results. The aim of this study was to analyze the effect ove...
Article
Vine basal shoot leaves are known to be the primary nutritional source for fruit set at the onset of bloom. The effectiveness of mechanical removal of this foliage at that date was tested from 2012 to 2014 to control the cropping of high-yielding cv. Sangiovese in a "Toscana rosso" TGI (Typical Geographic Indication) district in Tuscany, where the...
Article
Background: Anthocyanin and tannin concentration and composition of Vitis vinifera L. cv. Sangiovese berries was investigated from post-veraison to harvest. Exhaustive extraction with methanol and acetone were performed to determine the total flavonoid concentration, whereas a model hydroalcoholic solution was used to prepare extracts representing...
Article
Anthocyanin levels decline in some red grape berry varieties ripened under high-temperature conditions, but the underlying mechanism is not yet clear. Here we studied the effects of two different temperature regimes, representing actual Sangiovese (Vitis vinifera L.) viticulture regions, on the accumulation of mRNAs and enzymes controlling berry sk...
Article
Due to vegetative propagation, grapevine cultivars are supposed to be genetically identical offspring of a parent seedling. However, over time, spontaneous mutations occur within the populations of cultivars resulting in vines with new traits. This phenomenon has been utilized in selection to establish subpopulations with new agronomic values, usua...
Article
Background and AimsClimate change can alter the synchronous accumulation of sugar and other main berry compounds during ripening. The aim of this study was to determine whether post-veraison trimming could delay sugar accumulation and influence the production of anthocyanins and seed tannins in Sangiovese grapes.Methods and ResultsShoots were trimm...
Article
Cluster thinning is considered a technique, which, through an increase in the source-sink ratio, could lead to improvements in grape berry sugar and anthocyanin concentration. In this research, agronomical, biochemical and molecular approaches were combined to understand the ripening mechanisms leading to a final berry composition in 'Sangiovese' v...
Article
Full-text available
Recent trials have shown that basal shoot leaf removal at pre-bloom is effective in reducing fruit-set and yield, leading to better grape quality composition. The present trial was designed to determine whether similar results can be achieved with 'Sangiovese' vines by testing a pre-bloom spray of film-forming anti-transpirant (P) against pre-bloom...
Article
Full-text available
p style="text-align: justify;"> Aims : To test the effects of varying degrees of vigour on vine growth, cropping, grape composition and wine quality. Methods and results : The study was conducted in 2008-2009 in a cv. Sangiovese ( V. vinifera L.) vineyard (Tuscany). Two uniform zones marked by low (LV) and high (HV) vigour vines were pinpointed usi...
Article
Full-text available
Background The selective removal of grapevine leaves around berry clusters can improve the quality of ripening fruits by influencing parameters such as the berry sugar and anthocyanin content at harvest. The outcome depends strongly on the timing of defoliation, which influences the source–sink balance and the modified microclimate surrounding the...
Data
Genes belonging to selected functional categories, differentially-expressed during berry development, displaying a three-fold or greater change in transcript abundance between EV and BV or EV and H, in C, PB and V berries. For each gene, we show the description and the effect on gene expression in comparison to C berries. Downregulation, downregula...
Data
Full-text available
Real time RT-PCR validation of MYBA1/A2 (VIT_02s0033g00410 and VIT_02s0033g00390), F3′Hb (VIT_17s0000g07210), DFR (VIT_18s0001g12800), and MYBPA1 (VIT_15s0046g00170) expression profiles in pre-bloom defoliated (PB), veraison defoliated (V) and control (C) berries during ripening. The amplification of MYBA1 and MYBA2 transcripts was performed using...
Data
Specific differentially-expressed genes between C and PB and C and V berries at EV, displaying a two-fold or greater change in transcript abundance and belonging to selected functional categories. For each gene, we show the fold-change (FC) at EV, the description and the increase (↑) or decrease (↓) in expression between BV and EV in C berries.
Data
Real time RT-PCR validation of six selected genes. Expression profiles measured by real time RT-PCR are determined by calculating the relative expression ratio value for each stage relative to the BV stage. Real time RT-PCR data are reported as means ± SE of three biological replicates, obtained by using two reference genes. An actin beta/gamma 1 (...
Data
Differentially expressed genes displaying a two-fold or greater change in transcript abundance between C and CT at EV and H time points. For each gene the description and the CT/C Fold-change (FC) are indicated. Data obtained for EV and H are listed in two separate worksheets.
Data
Differentially expressed genes along CT berry development encoding ABC and MATE transporters. Analysis was performed by querying the protein sequence of the probe consensus against the NCBI databases using BLASTX. For each gene the correspondent Arabidopsis thaliana homologue, the NCBI reference sequence and E-value are specified.
Data
Differentially expressed genes along berry development displaying a two-fold or greater change in transcript abundance between EV and BV or EV and H, in CT and C treatments. For each gene the annotation, the EV/BV and the H/BV Fold-change (FC) are indicated. Data obtained for CT and C are listed in two separate worksheets.
Data
Differentially expressed genes along berry development displaying a similar expression profile between C and CT. For each gene, the annotation, the gene ontology, the profile and the CT/C Fold-change (FC) ratio at EV and at H are reported.
Data
Differentially-expressed genes during berry development displaying a three-fold or greater change in transcript abundance between EV and BV or EV and H, in C, PB and V berries. For each gene, we show the description, the EV/BV and H/BV fold-change (FC), the cluster number or the non-modulation (NM) in each treatment, and the effect on gene expressi...
Data
List of the primers used for real time RT-PCR validation experiment.
Data
Differentially expressed genes along berry development displaying a five-fold or greater change in transcript abundance between EV and BV or EV and H, in CT and C treatments. For each gene the annotation, the gene ontology, the EV/BV and the H/BV Fold-change (FC), the expression profile and the expression behavior in the other treatment are reporte...
Article
Full-text available
Cluster thinning is an agronomic practice in which a proportion of berry clusters are removed from the vine to increase the source/sink ratio and improve the quality of the remaining berries. Until now no transcriptomic data have been reported describing the mechanisms that underlie the agronomic and biochemical effects of thinning. We profiled the...
Article
A novel grapevine training system, semi-minimal-pruned hedge (SMPH), designed for mechanized pruning and harvesting was established on Sangiovese. The system was derived from adult spur-pruned cordon (SPC) vines that were modified to form a mechanically pruned hedge. SMPH heights of 80 cm and 120 cm were compared to SPC from 2005 to 2008, with an a...
Article
Full-text available
p style="text-align: justify;"> Aims : Recent trials on Sangiovese vines have shown that hand defoliation of shoot basal leaves at pre-bloom is effective in reducing fruit set and yield, leading to better grape composition and quality. The present work was performed to assess whether similar outcomes could be obtained by a more economically viable...