Pavlina Drogoudi

• PhD, DIC, BSc
• Research Director at ELGO-DIMITRA, Institute of Plant Breeding and Genetic Resources

In this study, samples collected from eight sweet cherry trees in northern Greece were analyzed by high-throughput sequencing for the presence of viruses. Bioinformatic analysis revealed the presence of divergent isolates of cherry latent virus 1 (CLV-1), a recently identified trichovirus in a sweet cherry accession imported into the USA from the R...

Local germplasm may be the basis for genetic improvement for sustainability and resilience, yet little is known about Greek peach [Prunus persica (L.) Batsch] local genetic resources. The aims of the present study were to entail a prospection in the mainland and islands of Greece for local traditional and underutilized germplasm and study their gen...

The present study aims to generalize cultivar-specific tree phenology responses to winter and spring temperatures and assess the effectiveness of the Tabuenca test and various chill and heat accumulation models in predicting bloom dates for a wide range of climatic conditions and years. To this end, we estimated the dates of rest completion and blo...

Text: In the framework of the EU-PRIMA research project FREECLIMB (FRUIT CROPS RESILIENCE TO CLIMATE CHANGE IN THE MEDITERRANEAN BASIN), we are investigating genotype by environment (GxE) interactions for resilience traits in peach trees (Prunus persica). This is a multi-year, multi-site experiment: samples from 4 different locations across Souther...

Postharvest fruit rot is one of the most serious diseases of fleshy stone fruits such as nectarine and plum. The efficacy of ozonated water sprayed in different doses in a packing line [low dose, 1.5 ppm ozone (Ο3) for 100 sec; medium dose, 3.0 ppm Ο3 for 100 sec; high dose, 1.5 ppm Ο3 for 400 sec] in controlling the brown rot (Monilinia fructicola...

In Greece, the cultivation of peach is one of the largest, with table peaches covering a 40% and industrial peaches covering a 60%. Therefore, performing next generation sequence technologies can prove valuable in evaluating present cultivated peach varieties and develop new varieties with consumer approving fruit quality traits. Whole genome seque...

Members of the genus Luteovirus are responsible for economically destructive plant diseases worldwide. Over the past few years, three luteoviruses infecting Prunus trees have been characterized. However, the biological properties, prevalence, and genetic diversity of those viruses have not yet been studied. High throughput sequencing of samples of...

Herein, we studied the variation in leaf and fruit morphological traits and antioxidant contents in 43 local and foreign cultivars (cvs) grown under the same experimental conditions in the widely cultivated plum species Prunus domestica and Prunus salicina. The peel contribution of fruit bioactive compounds in a serving portion, correlations among...

Split-pit in peach (Prunus persica L. Batsch) is a physiological disorder occurring during fruit growth causing significant losses to growers, retailers and the canning industry worldwide. In the present study the split-pit susceptibility of 59 recently grown melting-peach and nectarine cultivars was investigated and occurrences were related with p...

The effect of preharvest foliar spray applications at fruit colour breaker stage with acetylsalicylic acid (synthetic salicylate), spermidine (polyamine), their combination and a commercial calcium supplement on loquat (Eriobotrya japonica Lindl cv. ‘Karantoki’) fruit at successive harvests and subsequently during maintenance at room temperature (s...

Loquat (Eriobotrya japonica Lindl) tree has a unique annual cycle that allows it to satisfactorily adapt in the Mediterranean basin but also in other subtropical climates. Over the recent years, the commercial production of loquat fruit has received increased interest and it has risen to a niche product that is greatly appreciated by the consumers....

Sweet cherry (Prunus avium L.) is a temperate fruit species whose production might be highly impacted by climate change in the near future. Diversity of plant material could be an option to mitigate these climate risks by enabling producers to have new cultivars well adapted to new environmental conditions. In this study, subsets of sweet cherry co...

Peach (Prunus persica) fruit is widely consumed, both as fresh or as processed (mostly by canning) product. Despite its economic importance, a limited number of studies have dealt with quality assessment of clingstone peach cultivars after thermal processing. Thus, the aim of the current study was to evaluate the effect of canning process on compos...

BACKGROUND Damage from cracking, russeting, and sunscalds causes significant yield losses in pomegranate worldwide and may result from stressful environmental conditions. Although foliar sprays with minerals or growth regulators could be an important orchard management, little is known on the effectiveness of glycine betaine, silicon (Si)‐based fer...

Pomegranate is one of the oldest known fruit crops, well adapted to hot and dry areas and successfully grown in Mediterranean countries. During the last two decades, numerous publications have revealed the traditionally known associations between pomegranate consumption and health benefits, which led to increased demand by consumers and expansion i...

Extreme rainfall events pose a threating factor for the income of growers, processing industry and communities; however little is known on damages caused on peach trees. The pattern of historical trends in precipitation and the Standardized Precipitation Index (SPI) characteristics during the summer months were studied in Naoussa, Northern Greece....

The cover image is based on the Research Article Elaboration of novel and comprehensive protocols toward determination of textural properties and other sensorial attributes of canning peach fruit, by Marina Christofi et al., https://doi.org/10.1111/jtxs.12577.

Meteorological parameters and occurrences of cracking (CR), russeting (RS), and sun scald (SS) symptoms were monitored in a pomegranate cv. “Wonderful” orchard planted in a W–E orientation, during a 3-year study. Moreover, the efficacy of preharvest foliar sprays with acetylsalicylic acid (ASA; 0.5 mM or 1.0 mM), applied biweekly four to six times,...

Peach (Prunus persica) products are destined for fresh consumption or are being consumed after processing in various forms. Despite its huge economic importance, no standardized protocols to define sensorial attributes and mechanical properties of canned peaches exist. Thus, the aim of the current study was dual and included the setting up of a lis...

Plants have evolved a range of adaptive mechanisms that adjust their development and physiology to variable external conditions, particularly in perennial species subjected to long-term interplay with the environment. Exploiting the allelic diversity within available germplasm and leveraging the knowledge of the mechanisms regulating genotype inter...

The genotyping of European fruit tree collections has helped to identify synonyms, determine parentage, reveal key specimens in the collections and provide information on the development of modern cultivars from one or several progenitors. However, studies on European plum Prunus domestica L. accessions have been lagging behind, mainly because of t...

Collaboration was started between DDFT, HAO-Demeter, Naoussa in Northern Greece (40°N; 15.7°C; med climate) and INRES, University of Bonn (50°N; temperate zone), Germany to identify climate resilient growing strategies, varieties and locations. Cherry was chosen as most sensitive fruit crop to changes in early flowering time (and hence risk of late...

Horticultural commodities (fruit and vegetables) are the major dietary source of several bioactive compounds of high nutraceutical value for humans, including polyphenols, carotenoids and vitamins. The aim of the current review was dual. Firstly, toward the eventual enhancement of horticultural crops with bio-functional compounds, the natural genet...

PRUNDOC was a project financed by ECPGR (European Cooperative Programme for Plant Genetic Resources) in order to include Prunus germplasm into the European Collection. The project partners have offered approximately 100 unique genotypes for the European Collection, phenotypically described, and 36 of them were analysed by SSR. Data will be uploaded...

The aim of this study was to understand the antioxidant metabolic changes of peach (cvs. 'Royal Glory', 'Red Haven' and 'Sun Cloud') and nectarine fruits (cv. 'Big Top') exposed to different combinations of low-temperature storage (0, 2, 4 weeks storage at 0 °C, 90% R.H.) and additional ripening at room temperature (1, 3 and 5 d, shelf life, 20 °C)...

Changes in phenology due to a changing environment are of interest because of their impact on fruit set, frost occurrence and final harvest. Bloom dates of sweet cherry cultivars 'Tragana Edessis' (from the local germplasm collection), 'B. Burlat', 'Larian' and 'Vogue' were examined taking climatic parameters in Naoussa (northern Greece, 40°N), spa...

BACKGROUND Sugars and antioxidants in peaches contribute to fresh fruit quality and nutrition; however information on widely grown cultivars and changes induced after peach jam preparation is limited. In the present study colour, sugars and antioxidant parameters were determined in fruit and jam from 45 peach and nectarine cultivars. RESULTS Pron...

Botrytis cinerea is a ubiquitous fungus difficult to control because it possess a variety of attack modes, diverse hosts as inoculum sources, and it can survive as mycelia and/or conidia or for extended periods as sclerotia in crop debris. For these reasons the use of any single control measure is unlikely to succeed and a combination of cultural p...

In a germplasm bank collection the conservation and characterization of genetic resources is a prerequisite in order to use the material in breeding projects aiming the creation of new cultivars. In the present study, 54 Prunus salicina domestica and P. domestica genotypes (including 7 Greek cultivars), maintained in the ex situ National Genebank C...

Σε καρπούς από 15 ποικιλίες Ευρωπαϊκής και 28 ποικιλίες Ιαπωνικής δαμασκηνιάς που διατηρούνται στην Ελληνική Τράπεζα Γενετικού Υλικού, στη Νάουσα έγιναν αναλύσεις ποιοτικών χαρακτηριστικών όπως το νωπό βάρος καρπού, παράμετροι χρώματος CIELAB L, a* και b* σε σάρκα και φλοιό, συνολικά διαλυτά στερεά (ΣΔΣ), ογκομετρούμενη οξύτητα (ΟΟ), συγκέντρωση συ...

During recent years, there has been increasing awareness of the importance of adopting a holistic view of biodiversity, including agricultural biodiversity, conservation for sustainable utilization and development. These principles have been under-lined in the Convention on Biological Diversity and the European efficiency resources towards 2050. Th...

10 1 ENEA, UTAGRI -Agenzia Nazionale per le Nuove Tecnologie, l'Energia e lo Sviluppo Economico Sostenibile, Italy 2 Istituto Sperimentale per la Frutticoltura (CRA), Italy 3 Universita' degli Studi di Torino (UNITO), Italy 4 National Agricultural Research Foundation -Pomology Institute (NAGREF), Greece 5 National Agricultural Research Foundation -...

Hazelnut (Corylus avellana L.) is a traditional nut crop in southern Europe. Germplasm exploration conducted on-farm in five countries (Portugal, Spain, Italy, Slovenia, and Greece) identified 77 landraces. The present work describes phenotypic variation in nut and husk traits and investigates genetic relationships using ten simple sequence repeat...

During the period 2007-2010, the European Project SAFENUT: "Safeguard of almond and hazelnut genetic resources from traditional uses to modern agro-industrial opportunities", was carried out in Europe, by researchers from six European countries (France, Greece, Italy, Portugal, Slovenia and Spain), and the participation of 11 Research Institutions....

In the frame of SAFENUT AGRI GEN RES Action, which was a European strategy for the recovery, characterization and conservation of genetic resources, the fatty acids and the tocopherol profiles of a set of 75 hazelnut accessions were analyzed. The aim of this study was to assess the genetic differences among the European germplasm, contributing to t...

In the frame of SAFENUT AGRI GEN RES Action, which was a European strategy for the recovery, characterization and conservation of genetic resources, the fatty acids and the tocopherol profiles of a set of 75 hazelnut accessions were analyzed. The aim of this study was to assess the genetic differences among the European germplasm, contributing to t...

Hazelnut (Corylus avellana L.) is a traditional nut crop in southern Europe. Germplasm exploration conducted on-farm in five countries (Portugal, Spain, Italy, Slovenia, and Greece) identified 77 landraces. The present work describes phenotypic variation in nut and husk traits and investigates genetic relationships using 10 simple sequence repeat (...

In this study, different pomegranate genotypes and cultivars were discriminated and identified using the Random Amplified Polymorphic DNA (RAPD) and the Inter Simple Sequence Repeats (ISSR) molecular markers. 38 different pomegranate genotypes and 2 cultivars were discriminated and identified using RAPD and ISSR molecular markers. Genomic DNA was e...

The aims of the present study were to evaluate the effects of genetic and environmental factors on the phenolic content and antioxidant capacity in plum and prune genotypes; knowledge that can be utilized by breeding programs and health concerned consumers. Measurements of fruit fresh weight, skin and flesh color, total antioxidant capacity, using...

Almond protein and potassium (K), phosphorus (P), calcium (Ca) and magnesium (Mg) contents were determined in 72 cultivars and accessions grown in France, Greece and Italy, as part of the networking of European SAFENUT AGRI GEN RES project, which aimed to explore and valorize the almond genetic resources in Europe. Great variation was found in the...

Variations in yield, percentage of hermaphrodite flowers, leaf mass to area ratio, leaf area, stomatal density, leaf gas-exchange and stem water potential (stem) characteristics were studied in four pomegranate accessions. Yield was greatest in 11005 and Kallisti, compared with 11019 and 11021 accessions. Similarly, percentage of hermaphrodite flow...

Fruit quality attributes and antioxidants contents were compared among 11 Greek pomegranate genotypes and the foreign cultivars Wonderful, Akko and Hicaznar, established in two collections in the northern Greece. The heaviest fruit were harvested by Wonderful (474 g), 11021 (400 g), Hicaznar (316 g), and T9 and T10 (mean 366 g). Kallisti had the gr...

The main aim of this work is to gather the maximum information on hazelnut germplasm existing in different European collections. Each Research Centre keeps its hazelnut genetic resources according to its own interest: native cultivars, suitable material from abroad and promoting the exchange of plant material among research centers from all over th...

The European project 068 AGRI GEN RES 870/2004 has as an aim the definition of the European almond core collection. The methodology for creation of any core collection has to define how best to select entries using complex and incomplete accession data, as well as how and when to revise these decisions over time. The acquisition of data has been ba...

Fruit from Granny Smith, Fyriki, Fuji Kiku 8, and Imperial Double Red Delicious apple (Malus domestica Borkh) trees planted in single or double rows, were harvested from different positions in the canopy, during the last month before commercial harvest. Fruit physico-chemical and antioxidant capacity, using the radical DPPH, were measured, in skin...

Fruit quality characters were analysed in the sweet cherry cultivars, Burlat, Van, Tragana and Mpakirtzeika, harvested from low (39–59 m), medium (216 m) or high (490–546 m) elevation sites. The effects of storage for 2 or 4 days at 2 °C and 1 day at 20 °C on the fruit antioxidant contents were also evaluated. Tragana and Mpakirtzeika had greater f...

Cited By (since 1996):2, Export Date: 18 October 2014

The effects of light, moderate, or heavy thinning (5,10, or 20 cm between fruit, respectively), conducted before (7 d or 15 d), during, or after (7 d or 15 d) pit hardening (PH), on the incidence of split pits, fruit yield, fruit quality characteristics, and leaf mineral contents, were studied in the canning peach (Prunus persica L. Batsch.) cultiv...

The effects of light, moderate or heavy thinning (5, 10, or 20 cm between fruit, respectively) conducted before (7 d or 15 d), during, or after (7 d or 15 d) pit hardening (PH), on the incidence of split pits, yield, fruit quality characteristics, and leaf mineral content, were studied in the canning peach (Prunus persica L. Batch) cultivar ‘Andros...

The project SAFENUT: 'Safeguard of almond and hazelnut genetic resources from traditional uses to modern agro-industrial opportunities' has been elaborated within the Council Regulation (EC) N. 870/2004 AGRI GEN RES which established a Community programme on the conservation, characterisation and utilization of genetic resources in agriculture. The...

Fruit physical and chemical characters of 29 apricot cultivars of Greek and American origin and their hybrids were evaluated using correlation and principal component analysis. A remarkable variation was observed in the total phenol content (0.3-7.4 mg gallic acid equivalent g(-1) FW) and total antioxidant capacity (0.026-1.858 mg ascorbic acid equ...

The variation in the antioxidant content and the associations that may exist with harvest quality characteristics in peel and flesh tissue from seven apple cultivars were studied. Total antioxidant activity, total phenolic and ascorbic acid content, total soluble solids, total acidity and color parameters were measured in flesh and peel fruit tissu...

The aim of this study was to investigate the covering of peach flowers by plastic bag, foam, thin vermiculite, perlite or sawdust as a method to protect from early spring frost. The results showed that using of double plastic bag and foam reduced significantly the percentage of damaged flowers from low temperatures. In contrast, no significant diff...

A study was conducted to investigate the variability in the fruit antioxidant content and physical characters of six clingstone cultivars and three breeding selections of peach grafted on three rootstocks. The parameters measured were fruit weight, fruit and stone dimensions, flesh color using CIELAB color variables, total antioxidant activity usin...

Σε καρπούς των ποικιλιών κερασιάς Bigarreau Burlat, Van, Τραγανά Εδέσσης και Μπακιρτζέικα, που συγκοµίστηκαν από πέντε πεδινές, ηµιορεινές και ορεινές περιοχές της βόρειας Ελλάδας, µελετήθηκαν οι συγκεντρώσεις αντιοξειδωτικών ουσιών και άλλων ποιοτικών τους χαρακτηριστικών. Επίσης µελετήθηκαν οι µεταβολές των ποιοτικών τους χαρακτηριστικών κατά τη...

Twenty pomegranate (Punica granatum L.) accessions were collected from different regions in northern Greece and evaluated under uniform conditions for leaf dimensions, frost resistance, and fruit physical and chemical characteristics, such as the juice antioxidant activity [ascorbate equivalent antioxidant activity (AEAC)], using the radical DPPH,...

Shoots with intermediate size of kiwifruit, cv. Hayward, were terminated to five leaves and long shoots were topped or left un-pruned at two days after petal drop. Fruit on the vines were either untreated or given an additional treatment of 1 % calcium chloride (CaCl2), four times during fruit development. Flesh firmness, soluble solids content (SS...

The pathogenicity and virulence of ten GreekPseudomonas syringae pv.syringae strains from different hosts (citrus, pear, apple, peach and cherry) were evaluated using three different laboratory methods, which produced results in good agreement. All ten strains were virulent on apple, pear, cherry and peach trees. The extent of tissue colonized vari...

Twenty pomegranate (Punica granatum L.) accessions were collected from different regions in northern Greece and evaluated under uniform conditions for leaf dimensions, frost resistance, fruit physical and chemical characteristics such as the juice antioxidant activity (ascorbate equivalent antioxidant activity, AEAC), using the radical DPPH, ascorb...

Transgenic tobacco ( Nicotiana tabacum L. cv. Xanthi) plants expressing cucumber ascorbate oxidase (EC.1.10.3.3) were used to examine the role of extracellular ascorbic acid in mediating tolerance to the ubiquitous air pollutant, ozone (O(3)). Three homozygous transgenic lines, chosen on the basis of a preliminary screen of AO activity in the leave...

The effect of gibberellic acid A3 (GA3) on the vegetative growth, flowering characteristics and yield of three strawberry cultivars, the June bearing ‘Camarosa’ and ‘Laguna’ and the day neutral ‘Seascape’, was investigated, under heated and unheated greenhouse conditions and under short (10 h) and long (16 h) photoperiod. Young plants, potted in mi...

The effects of elevated ozone (O3) on yield, growth, photosynthetic rate, whole-plant I4Callocation and biomass of two strawberry (Fragaria x ananassa Duch.) cultivars were investigated. The two cultivars (Bogota and Elsanta) were at the beginning and end of fruiting, respectively, when exposed to 74 ppb ozone (O3) (8-h day"1) for 7 and 11 weeks, r...

The objective of this study was to investigate the physiological response and evaluate the relative resistance of three commercial strawberry cultivars (Fragaria x ananassa Duch. cvs Bogota, Cambridge Favorite and Elsanta) to ozone. Leaf gasexchange characteristics and growth parameters were monitored in plants grown in greenhouse chambers, exposed...

Summary • A direct assessment of carbon distribution was made in fruiting and deblossomed strawberry (Fragaria × ananassa) in order to investigate the mechanisms of ozone (O3) action on fruit yield. • Fruiting and deblossomed strawberry plants were treated with 92 ppb ozone or filtered air in open-top chambers for 69 d. Either leaf 1 or leaf 3 (fro...

The effect of gibberellic acid (GA3) (0, 50, 200 mg L-1) on vegetative growth and flowering were investigated in three strawberry cvs Camarosa, Laguna and Seascape grown under different photoperiod regimes (long and short days, using 16 and 10h light, respectively). Plants were potted on November 18, kept outdoors for one month and then placed unde...

A direct assessment of carbon distribution was made in fruiting and deblossomed strawberry (Fragaria × ananassa) in order to investigate the mechanisms of ozone (O3) action on fruit yield. •  Fruiting and deblossomed strawberry plants were treated with 92 ppb ozone or filtered air in open-top chambers for 69 d. Either leaf 1 or leaf 3 (from the mos...

Fruiting and deblossomed plants of strawberry (Fragaria×ananassa) were exposed to 92 ppb ozone or filtered air in open-top chambers for 69 d. Flower and fruit production, relative growth rate of leaf area, leaf gas exchange and plant biomass were investigated. Ozone caused an initial acceleration in inflorescence production, which was followed by a...