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Fouad N, Granier M, Blanc S, Thébaud G, Urbino C. Demonstration of Insect Vector-Mediated Transfer of a Betasatellite between Two Helper Viruses. Viruses 2024; 16:1420. [PMID: 39339896 PMCID: PMC11436227 DOI: 10.3390/v16091420] [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: 07/12/2024] [Revised: 08/31/2024] [Accepted: 09/02/2024] [Indexed: 09/30/2024] Open
Abstract
Begomoviruses, transmitted by the whitefly Bemisia tabaci, pose significant threats to global agriculture due to their severe impact on various crops. Among the satellite molecules associated with begomoviruses, betasatellites play a crucial role in enhancing disease severity and yield losses. The spread and association of these molecules with helper viruses in host plants are thus matters of concern. Here, we focus on the propagation of betasatellites and, more specifically, on their transfer between different helper viruses and hosts through vector transmission. Our results show that the cotton leaf curl Gezira betasatellite (CLCuGeB), initially acquired with its helper virus cotton leaf curl Gezira virus (CLCuGeV) from an okra plant, can be transmitted and assisted by a different helper virus, tomato yellow leaf curl virus (TYLCV), in a different host plant (tomato plant). The new association can be formed whether TYLCV and CLCuGeB encounter each other in a host plant previously infected with TYLCV or in whiteflies having acquired the different components separately. Our findings reveal two pathways by which betasatellites can be transferred between helper viruses and host plants and highlight the ability of betasatellites to spread in begomovirus-infected environments.
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Affiliation(s)
- Noun Fouad
- PHIM Plant Health Institute, CIRAD, INRAE, Univ Montpellier, Institut Agro, IRD, 34398 Montpellier Cedex 5, France
| | - Martine Granier
- PHIM Plant Health Institute, CIRAD, INRAE, Univ Montpellier, Institut Agro, IRD, 34398 Montpellier Cedex 5, France
| | - Stéphane Blanc
- PHIM Plant Health Institute, CIRAD, INRAE, Univ Montpellier, Institut Agro, IRD, 34398 Montpellier Cedex 5, France
| | - Gaël Thébaud
- PHIM Plant Health Institute, CIRAD, INRAE, Univ Montpellier, Institut Agro, IRD, 34398 Montpellier Cedex 5, France
| | - Cica Urbino
- PHIM Plant Health Institute, CIRAD, INRAE, Univ Montpellier, Institut Agro, IRD, 34398 Montpellier Cedex 5, France
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Yan Z, Wolters AMA, Navas-Castillo J, Bai Y. The Global Dimension of Tomato Yellow Leaf Curl Disease: Current Status and Breeding Perspectives. Microorganisms 2021; 9:740. [PMID: 33916319 PMCID: PMC8066563 DOI: 10.3390/microorganisms9040740] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 12/20/2022] Open
Abstract
Tomato yellow leaf curl disease (TYLCD) caused by tomato yellow leaf curl virus (TYLCV) and a group of related begomoviruses is an important disease which in recent years has caused serious economic problems in tomato (Solanum lycopersicum) production worldwide. Spreading of the vectors, whiteflies of the Bemisia tabaci complex, has been responsible for many TYLCD outbreaks. In this review, we summarize the current knowledge of TYLCV and TYLV-like begomoviruses and the driving forces of the increasing global significance through rapid evolution of begomovirus variants, mixed infection in the field, association with betasatellites and host range expansion. Breeding for host plant resistance is considered as one of the most promising and sustainable methods in controlling TYLCD. Resistance to TYLCD was found in several wild relatives of tomato from which six TYLCV resistance genes (Ty-1 to Ty-6) have been identified. Currently, Ty-1 and Ty-3 are the primary resistance genes widely used in tomato breeding programs. Ty-2 is also exploited commercially either alone or in combination with other Ty-genes (i.e., Ty-1, Ty-3 or ty-5). Additionally, screening of a large collection of wild tomato species has resulted in the identification of novel TYLCD resistance sources. In this review, we focus on genetic resources used to date in breeding for TYLCVD resistance. For future breeding strategies, we discuss several leads in order to make full use of the naturally occurring and engineered resistance to mount a broad-spectrum and sustainable begomovirus resistance.
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Affiliation(s)
- Zhe Yan
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands; (Z.Y.); (A.-M.A.W.)
| | - Anne-Marie A. Wolters
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands; (Z.Y.); (A.-M.A.W.)
| | - Jesús Navas-Castillo
- Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, Consejo Superior de Investigaciones Científicas Universidad de Málaga (IHSM-CSIC-UMA), Avenida Dr. Weinberg s/n, 29750 Algarrobo-Costa, Málaga, Spain;
| | - Yuling Bai
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands; (Z.Y.); (A.-M.A.W.)
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Conflon D, Granier M, Tiendrébéogo F, Gentit P, Peterschmitt M, Urbino C. Accumulation and transmission of alphasatellite, betasatellite and tomato yellow leaf curl virus in susceptible and Ty-1-resistant tomato plants. Virus Res 2018; 253:124-134. [PMID: 29908896 DOI: 10.1016/j.virusres.2018.06.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 06/13/2018] [Accepted: 06/13/2018] [Indexed: 11/16/2022]
Abstract
Begomoviruses (family Geminiviridae) are frequently associated with alphasatellites and betasatellites in the Old World. Tomato yellow leaf curl virus, one of the most damaging begomovirus species worldwide, was recently found associated with betasatellites in the eastern coast of the Mediterranean Sea, and in the Middle East region. Tomato yellow leaf curl virus (TYLCV)/betasatellite associations were shown to increase TYLCV virulence in experimental conditions. The sustainability of TYLCV/satellite associations in tomato was assessed here by estimating accumulation levels of satellites in comparison to TYLCV, vector transmission efficiency, and by testing how far the popular Ty-1 resistance gene used in most TYLCV-resistant tomato cultivars in the Mediterranean Basin is effective against betasatellites. Three satellites previously isolated from okra in Burkina Faso-of the species Cotton leaf curl Gezira betasatellite, Cotton leaf curl Gezira alphasatellite and Okra leaf curl Burkina Faso alphasatellite-were shown to accumulate at levels similar to, or higher than, the helper virus TYLCV-Mld in tomato plants from 32 to 150 days post inoculation (dpi). Cotton leaf curl Gezira betasatellite (CLCuGB) reduced TYLCV-Mld accumulation whereas alphasatellites did not. Transmission tests were performed with B. tabaci from plants infected with TYLCV-Mld/CLCuGB- or TYLCV-Mld/Okra leaf curl Burkina Faso alphasatellite. At 32 dpi, both satellites were transmitted to more than 50% of TYLCV-infected test plants. Betasatellite transmission, tested further with 150 dpi source plants was successful in more than 30% of TYLCV-infected test plants. Ty-1 resistant tomato plants co-infected with TYLCV (-Mld or -IL) and CLCuGB exhibited mild leaf curling and mosaic symptoms at the early stage of infection associated with a positive effect on TYLCV-IL accumulation, while resistant plants infected with TYLCV only, were asymptomatic. Together with previous experimental studies, these results further emphasize the potential risk of betasatellites to tomato cultivation, including with Ty-1 resistant cultivars.
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Affiliation(s)
- Déborah Conflon
- CIRAD, UMR BGPI, F-34398, Montpellier, France; BGPI, Univ Montpellier, CIRAD, INRA, Montpellier SupAgro, Montpellier, France
| | - Martine Granier
- CIRAD, UMR BGPI, F-34398, Montpellier, France; BGPI, Univ Montpellier, CIRAD, INRA, Montpellier SupAgro, Montpellier, France
| | - Fidèle Tiendrébéogo
- Laboratoire de Virologie et de Biotechnologies Végétales (LVBV), INERA, 01 BP 476, Ouagadougou 01, Burkina Faso; Laboratoire Mixte International Patho-Bios, IRD-INERA, 01 BP 476, Ouagadougou 01, Burkina Faso
| | - Pascal Gentit
- ANSES, Plant Health Laboratory, Unité de Bactériologie, Virologie et détection des OGM, 7 rue Jean Dixméras, 49044, Angers Cedex 01, France
| | - Michel Peterschmitt
- CIRAD, UMR BGPI, F-34398, Montpellier, France; BGPI, Univ Montpellier, CIRAD, INRA, Montpellier SupAgro, Montpellier, France
| | - Cica Urbino
- CIRAD, UMR BGPI, F-34398, Montpellier, France; BGPI, Univ Montpellier, CIRAD, INRA, Montpellier SupAgro, Montpellier, France.
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Mabvakure B, Martin DP, Kraberger S, Cloete L, van Brunschot S, Geering ADW, Thomas JE, Bananej K, Lett JM, Lefeuvre P, Varsani A, Harkins GW. Ongoing geographical spread of Tomato yellow leaf curl virus. Virology 2016; 498:257-264. [PMID: 27619929 DOI: 10.1016/j.virol.2016.08.033] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 08/29/2016] [Accepted: 08/30/2016] [Indexed: 12/20/2022]
Abstract
Tomato yellow leaf curl virus (TYLCV) seriously impacts tomato production throughout tropical and sub-tropical regions of the world. It has a broad geographical distribution and continues to spread to new regions in the Indian and Pacific Oceans including Australia, New Caledonia and Mauritius. We undertook a temporally-scaled, phylogeographic analysis of all publicly available, full genome sequences of TYLCV, together with 70 new genome sequences from Australia, Iran and Mauritius. This revealed that whereas epidemics in Australia and China likely originated through multiple independent viral introductions from the East-Asian region around Japan and Korea, the New Caledonian epidemic was seeded by a variant from the Western Mediterranean region and the Mauritian epidemic by a variant from the neighbouring island of Reunion. Finally, we show that inter-continental scale movements of TYLCV to East Asia have, at least temporarily, ceased, whereas long-distance movements to the Americas and Australia are probably still ongoing.
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Affiliation(s)
- Batsirai Mabvakure
- South African National Bioinformatics Institute, University of the Western Cape, Bellville 7535, South Africa
| | - Darren P Martin
- Department of Clinical Laboratory Sciences, University of Cape Town, Cape Town, South Africa
| | - Simona Kraberger
- School of Biological Sciences and Biomolecular Interaction Centre, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand; Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO, USA
| | - Leendert Cloete
- South African National Bioinformatics Institute, University of the Western Cape, Bellville 7535, South Africa
| | - Sharon van Brunschot
- School of Biological Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia; The University of Queensland, Queensland Alliance for Agriculture and Food Innovation, Ecosciences Precinct, GPO Box 267, Brisbane, QLD 4001, Australia
| | - Andrew D W Geering
- The University of Queensland, Queensland Alliance for Agriculture and Food Innovation, Ecosciences Precinct, GPO Box 267, Brisbane, QLD 4001, Australia
| | - John E Thomas
- The University of Queensland, Queensland Alliance for Agriculture and Food Innovation, Ecosciences Precinct, GPO Box 267, Brisbane, QLD 4001, Australia
| | - Kaveh Bananej
- Department of Plant Virus Research, Iranian Research Institute of Plant Protection (IRIPP), Tehran 19395-1454, Iran
| | - Jean-Michel Lett
- CIRAD, UMR PVBMT, Pôle de Protection des Plantes, 7 chemin de l'IRAT, Saint-Pierre, Ile de la Réunion 97410, France
| | - Pierre Lefeuvre
- CIRAD, UMR PVBMT, Pôle de Protection des Plantes, 7 chemin de l'IRAT, Saint-Pierre, Ile de la Réunion 97410, France
| | - Arvind Varsani
- Department of Clinical Laboratory Sciences, University of Cape Town, Cape Town, South Africa; School of Biological Sciences and Biomolecular Interaction Centre, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand; The Center for Functional Microbiomics, The Biodesign Institute and School of Life sciences, Arizona State University, Tempe, AZ 85287, USA.
| | - Gordon W Harkins
- South African National Bioinformatics Institute, University of the Western Cape, Bellville 7535, South Africa.
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Hassan I, Orílio AF, Fiallo-Olivé E, Briddon RW, Navas-Castillo J. Infectivity, effects on helper viruses and whitefly transmission of the deltasatellites associated with sweepoviruses (genus Begomovirus, family Geminiviridae). Sci Rep 2016; 6:30204. [PMID: 27453359 PMCID: PMC4958995 DOI: 10.1038/srep30204] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 06/30/2016] [Indexed: 11/08/2022] Open
Abstract
Begomoviruses (family Geminiviridae) are whitefly-transmitted viruses with single-stranded DNA genomes that are frequently associated with DNA satellites. These satellites include non-coding satellites, for which the name deltasatellites has been proposed. Although the first deltasatellite was identified in the late 1990s, little is known about the effects they have on infections of their helper begomoviruses. Recently a group of deltasatellites were identified associated with sweepoviruses, a group of phylogenetically distinct begomoviruses that infect plants of the family Convolvulaceae including sweet potato. In this work, the deltasatellites associated with sweepoviruses are shown to be transreplicated and maintained in plants by the virus with which they were identified, sweet potato leaf curl virus (SPLCV). These deltasatellites were shown generally to reduce symptom severity of the virus infection by reducing virus DNA levels. Additionally they were shown to be maintained in plants, and reduce the symptoms induced by two Old World monopartite begomoviruses, tomato yellow leaf curl virus and tomato yellow leaf curl Sardinia virus. Finally one of the satellites was shown to be transmitted plant-to-plant in the presence of SPLCV by the whitefly vector of the virus, Bemisia tabaci, being the first time a deltasatellite has been shown to be insect transmitted.
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Affiliation(s)
- Ishtiaq Hassan
- Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, Universidad de Málaga - Consejo Superior de Investigaciones Científicas (IHSM-UMA-CSIC), Estación Experimental “La Mayora”, 29750 Algarrobo-Costa, Málaga, Spain
- Agricultural Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan
- Pakistan Institute of Engineering and Applied Sciences, Islamabad, Pakistan
| | - Anelise F. Orílio
- Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, Universidad de Málaga - Consejo Superior de Investigaciones Científicas (IHSM-UMA-CSIC), Estación Experimental “La Mayora”, 29750 Algarrobo-Costa, Málaga, Spain
| | - Elvira Fiallo-Olivé
- Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, Universidad de Málaga - Consejo Superior de Investigaciones Científicas (IHSM-UMA-CSIC), Estación Experimental “La Mayora”, 29750 Algarrobo-Costa, Málaga, Spain
| | - Rob W. Briddon
- Agricultural Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Jesús Navas-Castillo
- Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, Universidad de Málaga - Consejo Superior de Investigaciones Científicas (IHSM-UMA-CSIC), Estación Experimental “La Mayora”, 29750 Algarrobo-Costa, Málaga, Spain
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Emergence and diversity of begomoviruses infecting solanaceous crops in East and Southeast Asia. Virus Res 2014; 186:104-13. [PMID: 24440320 DOI: 10.1016/j.virusres.2013.12.026] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2013] [Revised: 12/19/2013] [Accepted: 12/20/2013] [Indexed: 11/23/2022]
Abstract
Over the past three decades diseases caused by whitefly-transmitted geminiviruses (begomoviruses) have emerged to be important constraints to the production of solanaceous crops, particularly tomato (Solanum lycopersicum) and peppers (Capsicum spp.), in many tropical and subtropical regions of the world. The most studied of these is Tomato yellow leaf curl virus (TYLCV), which has spread to many other areas from its likely origin in the Mediterranean basin region. The virus is usually associated with the polyphagous and virus-vectoring-efficient B-biotype of its vector whitefly (Bemisia tabaci). However, in Southeast and East Asia, a wide variety of distinct local begomovirus species have been identified from tomato and pepper crops over this period, and TYLCV was detected in Japan only in about 1996, China in 2006 and Korea in 2008, despite B-biotype whiteflies being present in several of the countries of the region since at least the early 1990s. Continental Southeast Asia appears to be a major center of diversity for begomoviruses and some species may have spread across the region; Tomato yellow leaf curl Thailand virus (TYLCTHV) appears to have spread from the Thailand-Myanmar region into southern China and is now displacing the local tomato-infecting species in Taiwan, and Tomato yellow leaf curl Kanchanaburi virus (TYLCKaV) appears to have spread from the Thailand-Vietnam region to Java, Indonesia. Since many of the native tomato- or pepper-infecting begomoviruses and associated satellite DNAs have also been detected in local weed species, it seems likely that their ancestors originated in these weed hosts, but with the expansion and intensification of tomato and pepper production in the region, there was selection for recombinant or mutant forms with greater virulence on tomato and/or pepper. Expansion and intensification of these crops may also have resulted in increased populations of local, and if present, B- or Q-biotype whiteflies, aiding the increase and spread of local begomovirus species.
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Association of an alphasatellite with tomato yellow leaf curl virus and ageratum yellow vein virus in Japan is suggestive of a recent introduction. Viruses 2014; 6:189-200. [PMID: 24424499 PMCID: PMC3917438 DOI: 10.3390/v6010189] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Revised: 12/04/2013] [Accepted: 12/17/2013] [Indexed: 11/22/2022] Open
Abstract
Samples were collected in 2011 from tomato plants exhibiting typical tomato leaf curl disease symptoms in the vicinity of Komae, Japan. PCR mediated amplification, cloning and sequencing of all begomovirus components from two plants from different fields showed the plants to be infected by Tomatoyellowleafcurlvirus (TYLCV) and Ageratumyellowveinvirus (AYVV). Both viruses have previously been shown to be present in Japan, although this is the first identification of AYVV on mainland Japan; the virus previously having been shown to be present on the Okinawa Islands. The plant harboring AYVV was also shown to contain the betasatellite Tomato leaf curl Java betasatellite (ToLCJaB), a satellite not previously shown to be present in Japan. No betasatellite was associated with the TYLCV infected tomato plants analyzed here, consistent with earlier findings for this virus in Japan. Surprisingly both plants were also found to harbor an alphasatellite; no alphasatellites having previously been reported from Japan. The alphasatellite associated with both viruses was shown to be Sida yellow vein China alphasatellite which has previously only been identified in the Yunnan Province of China and Nepal. The results suggest that further begomoviruses, and their associated satellites, are being introduced to Japan. The significance of these findings is discussed.
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Jiao X, Gong H, Liu X, Xie Y, Zhou X. Etiology of Ageratum Yellow Vein Diseases in South China. PLANT DISEASE 2013; 97:1497-1503. [PMID: 30708480 DOI: 10.1094/pdis-01-13-0074-re] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Ageratum conyzoides is a common weed in agricultural regions in Asia. A. conyzoides plants exhibiting yellow vein symptoms were collected from Yunnan and Guangxi provinces of China. Polymerase chain reaction detection and sequence analysis showed that samples collected from Yunnan were mainly infected by Tobacco curly shoot virus (TbCSV) associated with Ageratum yellow vein China betasatellite (AYVCNB), while samples from Guangxi were mostly infected by Papaya leaf curl China virus (PaLCuCNV) and AYVCNB, or by Ageratum yellow vein China virus (AYVCNV) and AYVCNB, with a few exhibiting dual infections by PaLCuCNV, AYVCNV, and AYVCNB. Agrobacterium-mediated inoculation of infectious clones showed that both TbCSV and AYVCNB or PaLCuCNV and AYVCNB produced typical yellow vein symptoms in A. conyzoides. Consequently, Ageratum yellow vein diseases in Yunnan and Guangxi provinces were caused by TbCSV/AYVCNB, PaLCuCNV/AYVCNB, or AYVCNV/ AYVCNB. The implications of these results in relation to the prevalence of begomoviruses in cultivated plants are discussed.
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Affiliation(s)
- Xiaoyang Jiao
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Huanran Gong
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Xuejian Liu
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Yan Xie
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Xueping Zhou
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, Zhejiang 310058, China
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Scientific Opinion on the risks to plant health posed by Bemisia tabaci species complex and viruses it transmits for the EU territory. EFSA J 2013. [DOI: 10.2903/j.efsa.2013.3162] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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