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Serio F, Imbriani G, Girelli CR, Miglietta PP, Scortichini M, Fanizzi FP. A Decade after the Outbreak of Xylella fastidiosa subsp. pauca in Apulia (Southern Italy): Methodical Literature Analysis of Research Strategies. PLANTS (BASEL, SWITZERLAND) 2024; 13:1433. [PMID: 38891241 PMCID: PMC11175074 DOI: 10.3390/plants13111433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024]
Abstract
In 2013, an outbreak of Xylella fastidiosa (Xf) was identified for the first time in Europe, in the extreme south of Italy (Apulia, Salento territory). The locally identified subspecies pauca turned out to be lethal for olive trees, starting an unprecedented phytosanitary emergency for one of the most iconic cultivations of the Mediterranean area. Xf pauca (Xfp) is responsible for a severe disease, the olive quick decline syndrome (OQDS), spreading epidemically and with dramatic impact on the agriculture, the landscape, the tourism and the cultural heritage of this region. The bacterium, transmitted by insects that feed on xylem sap, causes rapid wilting in olive trees due to biofilm formation, which obstructs the plant xylematic vessels. The aim of this review is to perform a thorough analysis that offers a general overview of the published work, from 2013 to December 2023, related to the Xfp outbreak in Apulia. This latter hereto has killed millions of olive trees and left a ghostly landscape with more than 8000 square kilometers of infected territory, that is 40% of the region. The majority of the research efforts made to date to combat Xfp in olive plants are listed in the present review, starting with the early attempts to identify the bacterium, the investigations to pinpoint and possibly control the vector, the assessment of specific diagnostic techniques and the pioneered therapeutic approaches. Interestingly, according to the general set criteria for the preliminary examination of the accessible scientific literature related to the Xfp outbreak on Apulian olive trees, fewer than 300 papers can be found over the last decade. Most of them essentially emphasize the importance of developing diagnostic tools that can identify the disease early, even when infected plants are still asymptomatic, in order to reduce the risk of infection for the surrounding plants. On the other hand, in the published work, the diagnostic focus (57%) overwhelmingly encompasses all other possible investigation goals such as vectors, impacts and possible treatments. Notably, between 2013 and 2023, only 6.3% of the literature reports addressing the topic of Xfp in Apulia were concerned with the application of specific treatments against the bacterium. Among them, those reporting field trials on infected plants, including simple pruning indications, were further limited (6%).
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Affiliation(s)
- Francesca Serio
- Department of Biological and Environmental Sciences and Technology, University of Salento, 73100 Lecce, Italy; (F.S.); (G.I.); (C.R.G.); (P.P.M.)
| | - Giovanni Imbriani
- Department of Biological and Environmental Sciences and Technology, University of Salento, 73100 Lecce, Italy; (F.S.); (G.I.); (C.R.G.); (P.P.M.)
| | - Chiara Roberta Girelli
- Department of Biological and Environmental Sciences and Technology, University of Salento, 73100 Lecce, Italy; (F.S.); (G.I.); (C.R.G.); (P.P.M.)
| | - Pier Paolo Miglietta
- Department of Biological and Environmental Sciences and Technology, University of Salento, 73100 Lecce, Italy; (F.S.); (G.I.); (C.R.G.); (P.P.M.)
| | - Marco Scortichini
- Council for Agricultural Research and Economics (CREA)-Research Centre for Olive, Fruit and Citrus Crops, Via di Fioranello, 52, 00134 Roma, Italy;
| | - Francesco Paolo Fanizzi
- Department of Biological and Environmental Sciences and Technology, University of Salento, 73100 Lecce, Italy; (F.S.); (G.I.); (C.R.G.); (P.P.M.)
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Ahmed E, Musio B, Todisco S, Mastrorilli P, Gallo V, Saponari M, Nigro F, Gualano S, Santoro F. Non-Targeted Spectranomics for the Early Detection of Xylella fastidiosa Infection in Asymptomatic Olive Trees, cv. Cellina di Nardò. Molecules 2023; 28:7512. [PMID: 38005234 PMCID: PMC10672767 DOI: 10.3390/molecules28227512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/31/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Olive quick decline syndrome (OQDS) is a disease that has been seriously affecting olive trees in southern Italy since around 2009. During the disease, caused by Xylella fastidiosa subsp. pauca sequence type ST53 (Xf), the flow of water and nutrients within the trees is significantly compromised. Initially, infected trees may not show any symptoms, making early detection challenging. In this study, young artificially infected plants of the susceptible cultivar Cellina di Nardò were grown in a controlled environment and co-inoculated with additional xylem-inhabiting fungi. Asymptomatic leaves of olive plants at an early stage of infection were collected and analyzed using nuclear magnetic resonance (NMR), hyperspectral reflectance (HSR), and chemometrics. The application of a spectranomic approach contributed to shedding light on the relationship between the presence of specific hydrosoluble metabolites and the optical properties of both asymptomatic Xf-infected and non-infected olive leaves. Significant correlations between wavebands located in the range of 530-560 nm and 1380-1470 nm, and the following metabolites were found to be indicative of Xf infection: malic acid, fructose, sucrose, oleuropein derivatives, and formic acid. This information is the key to the development of HSR-based sensors capable of early detection of Xf infections in olive trees.
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Affiliation(s)
- Elhussein Ahmed
- Department of Civil, Environmental, Land, Building Engineering and Chemistry (DICATECh), Polytechnic University of Bari, Via Orabona, 4, I-70125 Bari, Italy; (E.A.); (S.T.); (P.M.); (V.G.)
- International Centre for Advanced Mediterranean Agronomic Studies of Bari (CIHEAM Bari), Via Ceglie 9, 70010 Valenzano, Italy;
| | - Biagia Musio
- Department of Civil, Environmental, Land, Building Engineering and Chemistry (DICATECh), Polytechnic University of Bari, Via Orabona, 4, I-70125 Bari, Italy; (E.A.); (S.T.); (P.M.); (V.G.)
| | - Stefano Todisco
- Department of Civil, Environmental, Land, Building Engineering and Chemistry (DICATECh), Polytechnic University of Bari, Via Orabona, 4, I-70125 Bari, Italy; (E.A.); (S.T.); (P.M.); (V.G.)
| | - Piero Mastrorilli
- Department of Civil, Environmental, Land, Building Engineering and Chemistry (DICATECh), Polytechnic University of Bari, Via Orabona, 4, I-70125 Bari, Italy; (E.A.); (S.T.); (P.M.); (V.G.)
- Innovative Solutions S.r.l.—Spin-Off Company of Polytechnic University of Bari, Zona H 150/B, 70015 Noci, Italy
| | - Vito Gallo
- Department of Civil, Environmental, Land, Building Engineering and Chemistry (DICATECh), Polytechnic University of Bari, Via Orabona, 4, I-70125 Bari, Italy; (E.A.); (S.T.); (P.M.); (V.G.)
- Innovative Solutions S.r.l.—Spin-Off Company of Polytechnic University of Bari, Zona H 150/B, 70015 Noci, Italy
| | - Maria Saponari
- Istituto Per la Protezione Sostenibile Delle Piante, CNR, Via Amendola 122/D, I-70126 Bari, Italy;
| | - Franco Nigro
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Via Orabona, 4, I-70125 Bari, Italy;
| | - Stefania Gualano
- International Centre for Advanced Mediterranean Agronomic Studies of Bari (CIHEAM Bari), Via Ceglie 9, 70010 Valenzano, Italy;
| | - Franco Santoro
- International Centre for Advanced Mediterranean Agronomic Studies of Bari (CIHEAM Bari), Via Ceglie 9, 70010 Valenzano, Italy;
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Pollard CRJ, Marzano M. On a handshake: business-to-business trust in the biosecurity behaviours of the UK live plant trade. Biol Invasions 2023; 25:2531-2547. [PMID: 37366402 PMCID: PMC10290619 DOI: 10.1007/s10530-023-03054-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 03/21/2023] [Indexed: 04/07/2023]
Abstract
The movement of plants through the ornamental plant trade presents a major source of risk for the introduction and spread of plant pests and pathogens. To minimise the likelihood of infested or infected plants moving through the value chain, individual businesses can adopt a range of biosecurity practices to prevent introduction on site, as well as detecting and then containing or eradicating any plant pests or pathogens present. However, a major additional source of risk is the arrival of unhealthy plants sourced from a supplier. Using the example of bacterial plant pathogen Xylella fastidiosa which has a large host range and potentially devastating economic and environmental impacts, we highlight the importance of trust when businesses navigate the risks of sourcing plants. Through interviews and a survey with a range of plant businesses, we show (i) how two general types of risk-relational risk associated with suppliers acting in good faith, and performance risk associated with suppliers having the ability to perform as expected-can be applied to the challenge of sourcing healthy plants, (ii) how businesses respond to these risks through behaviours based on trust and control, and (iii) the potential outcomes of trust-based and control-based behaviours in the presence of a hard to detect pathogen such as Xylella fastidiosa. We conclude that trust is a significant component in decision-making in the live plant trade, and as such any behavioural interventions designed to encourage better biosecurity practices in the industry should capitalise on this understanding to strengthen responses and avoid undermining of effort.
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Spampinato G, Tomaselli V, Forte L, Strumia S, Stinca A, Croce A, Fascetti S, Rosati L, Di Pietro R, Mantino F, Laface VLA, Musarella CM. Relevant but neglected habitat types by the Directive 92/43 EEC in southern Italy. RENDICONTI LINCEI. SCIENZE FISICHE E NATURALI 2023. [DOI: 10.1007/s12210-023-01136-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
AbstractThe 92/43/EEC Habitats Directive is the main European Union legal tool concerning nature conservation. The habitat types listed in Annex I to the Directive are phytosociology-based. It is widely acknowledged that phytosociological analysis is a crucial approach for habitats characterization and for monitoring their conservation status. Based on bibliographic investigations and new field survey campaigns, a list of habitat types neglected by the Habitats Directive is here presented and described for southern Italy. In this paper, 8 new habitat types and 13 subtypes are proposed. For each of these proposed new habitat types, a wide range of information, including ecology, chorology, species composition, syntaxonomy, threats, and conservation status, is here provided. To supply more detailed phytogeographical and coenological information about the proposed new habitat types, distribution maps based on 10 × 10 km reference grids and phytosociological tables including unpublished relevés were carried out.
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Kashyap A, Jiménez-Jiménez ÁL, Zhang W, Capellades M, Srinivasan S, Laromaine A, Serra O, Figueras M, Rencoret J, Gutiérrez A, Valls M, Coll NS. Induced ligno-suberin vascular coating and tyramine-derived hydroxycinnamic acid amides restrict Ralstonia solanacearum colonization in resistant tomato. THE NEW PHYTOLOGIST 2022; 234:1411-1429. [PMID: 35152435 DOI: 10.1111/nph.17982] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 01/03/2022] [Indexed: 06/14/2023]
Abstract
Tomato varieties resistant to the bacterial wilt pathogen Ralstonia solanacearum have the ability to restrict bacterial movement in the plant. Inducible vascular cell wall reinforcements seem to play a key role in confining R. solanacearum into the xylem vasculature of resistant tomato. However, the type of compounds involved in such vascular physico-chemical barriers remain understudied, while being a key component of resistance. Here we use a combination of histological and live-imaging techniques, together with spectroscopy and gene expression analysis to understand the nature of R. solanacearum-induced formation of vascular coatings in resistant tomato. We describe that resistant tomato specifically responds to infection by assembling a vascular structural barrier formed by a ligno-suberin coating and tyramine-derived hydroxycinnamic acid amides. Further, we show that overexpressing genes of the ligno-suberin pathway in a commercial susceptible variety of tomato restricts R. solanacearum movement inside the plant and slows disease progression, enhancing resistance to the pathogen. We propose that the induced barrier in resistant plants does not only restrict the movement of the pathogen, but may also prevent cell wall degradation by the pathogen and confer anti-microbial properties, effectively contributing to resistance.
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Affiliation(s)
- Anurag Kashyap
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
| | | | - Weiqi Zhang
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
| | - Montserrat Capellades
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
- Consejo Superior de Investigaciones Científicas (CSIC), 08001, Barcelona, Spain
| | - Sumithra Srinivasan
- Institute of Material Science of Barcelona (ICMAB), CSIC, Campus UAB, 08193, Bellaterra, Spain
| | - Anna Laromaine
- Institute of Material Science of Barcelona (ICMAB), CSIC, Campus UAB, 08193, Bellaterra, Spain
| | - Olga Serra
- Laboratori del Suro, Biology Department, University of Girona, Campus Montilivi, 17003, Girona, Spain
| | - Mercè Figueras
- Laboratori del Suro, Biology Department, University of Girona, Campus Montilivi, 17003, Girona, Spain
| | - Jorge Rencoret
- Institute of Natural Resources and Agrobiology of Seville (IRNAS), CSIC, 41012, Seville, Spain
| | - Ana Gutiérrez
- Institute of Natural Resources and Agrobiology of Seville (IRNAS), CSIC, 41012, Seville, Spain
| | - Marc Valls
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
- Department of Genetics, University of Barcelona, 08028, Barcelona, Spain
| | - Nuria S Coll
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, 08193, Bellaterra, Spain
- Consejo Superior de Investigaciones Científicas (CSIC), 08001, Barcelona, Spain
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Scortichini M, Loreti S, Pucci N, Scala V, Tatulli G, Verweire D, Oehl M, Widmer U, Codina JM, Hertl P, Cesari G, De Caroli M, Angilè F, Migoni D, Del Coco L, Girelli CR, Dalessandro G, Fanizzi FP. Progress towards Sustainable Control of Xylella fastidiosa subsp. pauca in Olive Groves of Salento (Apulia, Italy). Pathogens 2021; 10:668. [PMID: 34072394 PMCID: PMC8228964 DOI: 10.3390/pathogens10060668] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/19/2021] [Accepted: 05/26/2021] [Indexed: 11/16/2022] Open
Abstract
Xylella fastidiosa subsp. pauca is the causal agent of "olive quick decline syndrome" in Salento (Apulia, Italy). On April 2015, we started interdisciplinary studies to provide a sustainable control strategy for this pathogen that threatens the multi-millennial olive agroecosystem of Salento. Confocal laser scanning microscopy and fluorescence quantification showed that a zinc-copper-citric acid biocomplex-Dentamet®-reached the olive xylem tissue either after the spraying of the canopy or injection into the trunk, demonstrating its effective systemicity. The biocomplex showed in vitro bactericidal activity towards all X. fastidiosa subspecies. A mid-term evaluation of the control strategy performed in some olive groves of Salento indicated that this biocomplex significantly reduced both the symptoms and X. f. subsp. pauca cell concentration within the leaves of the local cultivars Ogliarola salentina and Cellina di Nardò. The treated trees started again to yield. A 1H-NMR metabolomic approach revealed, upon the treatments, a consistent increase in malic acid and γ-aminobutyrate for Ogliarola salentina and Cellina di Nardò trees, respectively. A novel endotherapy technique allowed injection of Dentamet® at low pressure directly into the vascular system of the tree and is currently under study for the promotion of resprouting in severely attacked trees. There are currently more than 700 ha of olive groves in Salento where this strategy is being applied to control X. f. subsp. pauca. These results collectively demonstrate an efficient, simple, low-cost, and environmentally sustainable strategy to control this pathogen in Salento.
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Affiliation(s)
- Marco Scortichini
- Research Centre for Olive, Fruit Trees and Citrus Crops, Council for Agricultural Research and Economics (CREA), 00134 Roma, Italy
| | - Stefania Loreti
- Research Centre for Plant Protection and Certification, Council for Agricultural Research and Economics (CREA), 00156 Roma, Italy; (S.L.); (N.P.); (V.S.); (G.T.)
| | - Nicoletta Pucci
- Research Centre for Plant Protection and Certification, Council for Agricultural Research and Economics (CREA), 00156 Roma, Italy; (S.L.); (N.P.); (V.S.); (G.T.)
| | - Valeria Scala
- Research Centre for Plant Protection and Certification, Council for Agricultural Research and Economics (CREA), 00156 Roma, Italy; (S.L.); (N.P.); (V.S.); (G.T.)
| | - Giuseppe Tatulli
- Research Centre for Plant Protection and Certification, Council for Agricultural Research and Economics (CREA), 00156 Roma, Italy; (S.L.); (N.P.); (V.S.); (G.T.)
| | - Dimitri Verweire
- Invaio Sciences, Cambridge, MA 02138, USA; (D.V.); (M.O.); (U.W.); (J.M.C.); (P.H.)
| | - Michael Oehl
- Invaio Sciences, Cambridge, MA 02138, USA; (D.V.); (M.O.); (U.W.); (J.M.C.); (P.H.)
| | - Urs Widmer
- Invaio Sciences, Cambridge, MA 02138, USA; (D.V.); (M.O.); (U.W.); (J.M.C.); (P.H.)
| | - Josep Massana Codina
- Invaio Sciences, Cambridge, MA 02138, USA; (D.V.); (M.O.); (U.W.); (J.M.C.); (P.H.)
| | - Peter Hertl
- Invaio Sciences, Cambridge, MA 02138, USA; (D.V.); (M.O.); (U.W.); (J.M.C.); (P.H.)
| | | | - Monica De Caroli
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Monteroni-Lecce, Italy; (M.D.C.); (F.A.); (D.M.); (L.D.C.); (C.R.G.); (G.D.); (F.P.F.)
| | - Federica Angilè
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Monteroni-Lecce, Italy; (M.D.C.); (F.A.); (D.M.); (L.D.C.); (C.R.G.); (G.D.); (F.P.F.)
| | - Danilo Migoni
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Monteroni-Lecce, Italy; (M.D.C.); (F.A.); (D.M.); (L.D.C.); (C.R.G.); (G.D.); (F.P.F.)
| | - Laura Del Coco
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Monteroni-Lecce, Italy; (M.D.C.); (F.A.); (D.M.); (L.D.C.); (C.R.G.); (G.D.); (F.P.F.)
| | - Chiara Roberta Girelli
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Monteroni-Lecce, Italy; (M.D.C.); (F.A.); (D.M.); (L.D.C.); (C.R.G.); (G.D.); (F.P.F.)
| | - Giuseppe Dalessandro
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Monteroni-Lecce, Italy; (M.D.C.); (F.A.); (D.M.); (L.D.C.); (C.R.G.); (G.D.); (F.P.F.)
| | - Francesco Paolo Fanizzi
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Monteroni-Lecce, Italy; (M.D.C.); (F.A.); (D.M.); (L.D.C.); (C.R.G.); (G.D.); (F.P.F.)
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Tatulli G, Modesti V, Pucci N, Scala V, L’Aurora A, Lucchesi S, Salustri M, Scortichini M, Loreti S. Further In Vitro Assessment and Mid-Term Evaluation of Control Strategy of Xylella fastidiosa subsp. pauca in Olive Groves of Salento (Apulia, Italy). Pathogens 2021; 10:85. [PMID: 33478174 PMCID: PMC7835972 DOI: 10.3390/pathogens10010085] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/13/2022] Open
Abstract
During recent years; Xylella fastidiosa subsp. pauca (Xfp) has spread in Salento causing relevant damage to the olive groves. Measures to contain the spreading of the pathogen include the monitoring of the areas bordering the so-called "infected" zone and the tree eradication in case of positive detection. In order to provide a control strategy aimed to maintain the tree productivity in the infected areas, we further evaluated the in vitro and in planta mid-term effectiveness of a zinc-copper-citric acid biocomplex. The compound showed an in vitro bactericidal activity and inhibited the biofilm formation in representative strains of X. fastidiosa subspecies, including Xfp isolated in Apulia from olive trees. The field mid-term evaluation of the control strategy assessed by quantitative real-time PCR in 41 trees of two olive groves of the "infected" area revealed a low concentration of Xfp over the seasons upon the regular spraying of the biocomplex over 3 or 4 consecutive years. In particular, the bacterial concentration lowered in July and October with respect to March, after six consecutive treatments. The trend was not affected by the cultivar and it was similar either in the Xfp-sensitive cultivars Ogliarola salentina and Cellina di Nardò or in the Xfp-resistant Leccino. Moreover, the scoring of the number of wilted twigs over the seasons confirmed the trend. The efficacy of the treatment in the management of olive groves subjected to a high pathogen pressure is highlighted by the yielded a good oil production.
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Affiliation(s)
- Giuseppe Tatulli
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification, 00156 Roma, Italy; (G.T.); (V.M.); (N.P.); (V.S.); (A.L.); (S.L.)
| | - Vanessa Modesti
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification, 00156 Roma, Italy; (G.T.); (V.M.); (N.P.); (V.S.); (A.L.); (S.L.)
| | - Nicoletta Pucci
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification, 00156 Roma, Italy; (G.T.); (V.M.); (N.P.); (V.S.); (A.L.); (S.L.)
| | - Valeria Scala
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification, 00156 Roma, Italy; (G.T.); (V.M.); (N.P.); (V.S.); (A.L.); (S.L.)
| | - Alessia L’Aurora
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification, 00156 Roma, Italy; (G.T.); (V.M.); (N.P.); (V.S.); (A.L.); (S.L.)
| | - Simone Lucchesi
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification, 00156 Roma, Italy; (G.T.); (V.M.); (N.P.); (V.S.); (A.L.); (S.L.)
| | - Manuel Salustri
- Dipartimento di Biologia Ambientale, Sapienza University of Rome, 00185 Roma, Italy;
| | - Marco Scortichini
- Council for Agricultural Research and Economics (CREA), Research Centre for Olive, Fruit and Citrus Crops, 00134 Roma, Italy
| | - Stefania Loreti
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification, 00156 Roma, Italy; (G.T.); (V.M.); (N.P.); (V.S.); (A.L.); (S.L.)
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