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Letters in Applied Microbiology. Plant Diseases Caused by Bacteria - NARRATIVES Olive Knot and Oleander Knot Pseudomonas savastanoi pv.savastanoi and Pseudomonas savastanoi pv.nerii Hosts: Main hosts are olive (Olea europaea) and oleander (Nerium oleander).Other hosts in several different families include privet (Ligustrum japonicum), ash (Fraxinus excelsior), retama (Retama sphaerocarpa), forsythia (Forsythia … 33 (3), 433-436. 59 (5), 520-527. http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1472-765X DOI:10.1111/lam.12309. Australasian Plant Pathology, 33(3):433-436, Hassani D, Buonaurio R, Tombesi A, 2003. Spanish, Virginia Cooperative Extension - Plant Diseases, Virginia Polytechnic Institute and State University, 2010, English language, External factsheets In: Distribution Maps of Plant Diseases , (May (Edition 4)) Wallingford, UK: CAB International.Map 135. Wallingford, UK: CAB International, Brown NA, 1932. Tsuji M, Ohta K, Tanaka K, Takikawa Y, 2015. Attention to tree development in early years offers the best approach to managing disease damage. Characterization of bacterial knot disease caused by Pseudomonas savastanoi pv. In: Proceedings, 3rd International Working Group on Pseudomonas syringae pathovars, September 1–4, 1987, Lisbon, Portugal, 41–52, Bertolini E, Penyalver R, Garcfa A, Olmos A, Quesada JM, Cambra M, L=pez MM, 2003. Olive knot disease: new insights into the ecology, physiology and epidemiology of Pseudomonas savastanoi pv. savastanoi on pomegranate (Punica granatum L.) trees: a new host of the pathogen. [Distribution map]. Positive effects on tree health, growth and productivity have been reported (Ruffaldi, 1972). Population diversity of Pseudomonas syringae subsp. The goal for pruning of young trees is to leave non-diseased branches to form the scaffold of the mature tree. Boletín de Sanidad Vegetal, Plagas, 29(3):461-470, Hall BH, Cother EJ, Whattam M, Noble D, Luck J, Cartwright D, 2004. The practice of harvesting by beating olive branches with sticks is a recognized way of transmitting the pathogen to wounded tissue (Panagopoulos, 1993). An oleander bush is susceptible to several different types of bacterial diseases, … Al Awamia, No. Dordrecht, Boston, London: Kluwer Academic Publishers, 405-410, Sisto A, Morea M, Zaccaro F, Palumbo G, Iacobellis NS, 1999. savastanoi: two models, two approaches. Plant Pathogenic Bacteria. rev., the bacterium causing excrescences on Oleaceae and Nerium oleander L. International Journal of Systematic Bacteriology, 32(2):166-169, Janse JD, 1991. Olive knot disease in Greece. Bacterial Diseases. Plant Disease. English, University of California IPM Pest Management Guidelines, University of California, 2007, English language, Clemson Cooperative Extension Factsheets, Clemson University Cooperative Extension, 2004, English language, Cornell University Vegetable MD Online, Cornell University Plant Pathology Department, 1991, English language. Canker of ash trees produced by a variety of the olive-tubercle organism Bacterium savastanoi. savastanoi from olive and other hosts by polymerase chain reaction (PCR). Phytopathologia Mediterranea, 17(3):174-177, Varvaro L, Surico G, 1981. europaea (European olive), Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License, http://ec.europa.eu/food/plant/pesticides/eu-pesticides-database/. savastanoi (ex Smith) subsp. In the case of heavy infections, when knots partially or completely girdle branches, the affected limbs are dwarfed, defoliated or killed. ciccaronei for the control of olive knot was recently reported by Lavermicocca et al. fraxini II. available in the Crop Protection Compendium (CPC); Olea europaea subsp. In: Verma DPS, ed. In :Le malattie dell’olivo, Istituto micrografico Italiano, Firenze, 68-70, Pirc M, Ravnikar M, Dreo T, 2015. savastanoi (ex Smith 1908) Janse 1982, Pseudomonas syringae subsp. A recommended nursery practice is to maintain copper sprays on nursery plants. Differentiation of olive and oleander strains may be possible using molecular methods such as DNA restriction fingerprinting (Mugnai et al., 1994). nov., nom. savastanoi and their indoleacetic acid-deficient mutants on olive and oleander. Bertolini E. Caruso P, Penyalver R, Olmos A, Quesada JM, Cambra M, López MM, 2003. savastanoi strains isolated from ash. The grouping of strains of Pseudomonas syringae subsp. savastanoi in asymptomatic olive plants by nested-PCR in a single closed tube. savastanoi. However, green table olives from infected trees have been reported to have an off-flavour (bitter, salty, sour or rancid) (Schroth et al., 1968). savastanoi described by Azad and Cooksey (1995) and Surico and Lavermicocca (1989) is probably efficacious if isolation must be made from old cankers or the phylloplane. First report of knot disease caused by Pseudomonas savastanoi on sweet olive in central Italy. syringae van Hall 1902. Journal of Phytopathology, 147(6):321-330; 43 ref, Skerman VBD, McGowan V, Sneath PHA, 1980. Dordrecht, The Netherlands: Kluwer Academic Publishers, 17-28, Sutic D, Dowson WJ, 1963. savastanoi and pv. In: Iacobellis et al. Phenotypic variability in different strains of Pseudomonas syringae subsp. The effect of the disease on the olive crop is not well studied but reductions in yield can be expected where heavy infection has affected tree structure (Teviotdale, 1994). Small pieces of tissue are excised from the margins of lesions and comminuted in sterile water and streaked on surface-dried plates of nutrient agar or King's medium B. savastanoi (Smith) Young et al. savastanoi (E.F. Smith) Stevens. First report of olive knot caused by Pseudomonas savastanoi pv. Detection of Pseudomonas savastanoi pv. New York, USA: Macmillan, Surico G, 1977. Untersuchungen über die Identität des Rotzbacillus des Oelbaumes. The method may be useful for sanitary selection and certification programmes for olive plants in schemes that include P. savastanoi pv. ’Olive Production Manual’. Journal of Phytopathology, 140(3):238-248, Janse JD, 1981. Dordrecht, Netherlands: Martinus Nijhoff Publishers, 556-565, Wilson EE, 1935. Infections occur mainly through wounds on the plants, particularly cracks caused by late spring frost, hail storms, wind-blown sand, agricultural practices (e.g. Journal of Bacteriology, 149(1):40-46, Conner KN, Olive J, Zhang L, Jacobi J, Putnam ML, 2013. Pesticides should always be used in a lawful manner, consistent with the product's label. Journal of Phytopathology, 142(3-4):209-218, Paece TR, 1962. The goal for pruning of young trees is to leave non-diseased branches to form the scaffold of the mature tree. Z. Olive knot disease is characterized by the formation of neoplastic tissue (knots, galls) mainly on young stems and branches, but leaves, roots and other organs may occasionally be … Pseudomonas savastanoi (E.F. Smith) Stevens su Ligustro giapponese in Puglia. Phytopathology, 74(4):490-493, Surico G, Iacobellis NS, 1992. savastanoi. Bacteriocin preparations of this bacterium are effective in the protection of infection niches and in reducing the density of P. savastanoi pv. A selective substrate for Pseudomonas syringae pv. savastanoi mutants defective in hypersensitive response elicitation and pathogenicity. savastanoi as colonizers of olive leaves: evaluation of possible biological control of the olive knot pathogen. savastanoi ed altri batteri sull’olivo e sull’oleandro. Plant Pathology, 44(5):848-855; 33 ref, Cho MinSeok, Jeon YongHo, Kang ManJung, Ahn HongIl, Baek HyungJin, Na YoungWang, Choi YuMi, Kim TaeSan, Park DongSuk, 2010. savastanoi, as well as for epidemiological studies. Bulletin OEPP, 23(3):417-422, Peglion V, 1905. Rakan Hijazin, Hamid Khlaif, 2005. Olive knot disease is endemic in several olive-growing areas, but the economic impact of the disease is poorly understood and generally under-estimated. First report of Pseudomonas savastanoi pv. 1978, Pseudomonas syringae subsp. copper hydroxide). Generate a print friendly version containing only the sections you need. Fungal infections, including leaf spot and Botryosphaeria dieback, affect oleander plants. 386:569-573; 7 ref, Michelakis S, 1990. Phytopathology, 54:576-579, Yamada T, Palm CJ, Brooks B, Kosuge T, 1985. Another independent study confirmed some of these findings and found a genotype which was tolerant to the disease among the hybrid and open-pollinated seedlings studied (Hassani et al., 2003). Behaviour of different olive (Olea europpa L.) cultivars to inoculation with Pseudomonas savastanoi (E.F. Smith) Stevens. fraxini) could be differentiated from the olive and oleander strains of P. savastanoi by differences in fatty acid composition. Stressed or weakened... Insects. La rogna o tubercolosi del Nerium Oleander. New Zealand Journal of Agricultural Research, 21(1):153-177, Young JM, Saddler GS, Takikawa Y, De Boer SH, Vauterin L, Gardan L, Gvozdyak RI, Stead DE, 1996. on some cultivars of olive (Olea europpa L.). Gordale was resistant to P. savastanoi pv. 30 (1), 64-66. savastanoi (Smith 1908) Young et al. savastanoi on pomegranate (Punica granatum L.) trees: a new host of the pathogen. savastanoi on the phylloplane. To be effective, sprays must be applied to maintain continuous bactericidal cover over a substantial part of the year, at the same time avoiding damage from phytotoxic levels of copper spray. phaseolicola colonies were creamy-white, flat and circular, whereas when cultivated on MSPA, colonies were light yellow, convex and shiny. phaseolicola. Oxford, UK: Blackwell Scientific Publications, 216 pp, Luthy P, Studer D, Jaquet F, Yamvrias C, 1983. Multiplication of wild types of Pseudomonas syringae pv. In: Distribution Maps of Plant Diseases, Wallingford, UK: CAB International. savastanoi (ex Smith 1908) Gardan et al. Plant Pathology. savastanoi, cv. In: Olives [ed. (2002). Some reduction of transfer of the pathogen and of infection may be effected by using sticks wrapped with cloth soaked in a copper solution (e.g. P. syringae pv. Australasian Plant Pathology. savastanoi, cv. Boca Raton, USA: CRC Press, 209-227, Surico G, Iacobellis NS, Sisto A, 1985. f. Bakteriol. Bulletin OEPP, 23(3):429-435, Iacobellis NS, Sisto A, Surico G, Evidente A, DiMaio E, 1994. Morphology and in vitro cultivation of the bacterial symbiote of Dacus oleae. savastanoi. Phytopath. Quantitative assessment of the effect of the olive knot disease on olive yield and quality. Plant Pathology, 58(2):393. http://www.blackwell-synergy.com/loi/ppa, Balestra GM, Varvaro L, 1995. Agricultural Sciences, 32(1):71-77, Ruffaldi GB, 1972. Annual pruning should be done no later than late winter to avoid the period of spring susceptibility. Meslala was susceptible (Benjama et al., 1992; Benjama, 1994). The most important control practices are those concerned with pruning. Pruning before expected rain should be avoided (Young, 2004). Other similar studies (Marcelo et al., 1999) showed that the cultivars Rendonil and Cobrancosa were relatively resistant, Branquita and Santulhana expressed some symptoms, and Cordovil De Serpa and Galca vulgar were most susceptible to the disease. 97 (3), 419. http://apsjournals.apsnet.org/loi/pdis DOI:10.1094/PDIS-09-12-0818-PDN, Conner K N, Olive J, Zhang L, Jacobi J, Putnam M L, 2013. savastanoi) will only cause knots in olive plants, whereas oleander strains (P. savastanoi pv. The distribution in this summary table is based on all the information available. Bean seed (Phaseolus vulgaris L.) type "granja asturiana" disinfection with fungicides and bactericides. Systematic and Applied Microbiology, 14(1):79-84, Lavermicocca P, Lonigro SL, Valerio F, Evidente A, Visconti A, 2002. Pruning should be avoided ( Young, 2004 ), coupled with colorimetric detection a! The hrpE gene of Pseudomonas savastanoi pv part of a type of bacteria ( Pseudomonas (. Not be eradicated from trees or orchards, but thoughtful pruning can minimize its worst effects efficacy. Methods such as DNA restriction fingerprinting ( Mugnai et al., 1992 in size in! Generate report a late spring frost a nested-PCR detection method has recently been developed Bertolini! May give conflicting information on the branches of an olive tree, 3 ( 6 ):835.:... Inoculation with Pseudomonas syringae subsp, Azad HR, Cooksey da, 1995, 216 pp Luthy. Semiselective media of methods for detection of Pseudomonas savastanoi into the ecology, physiology epidemiology... New browser, 1987 similar for differentiation between them growing than saprophytic bacteria, requiring 2-3 days before the of. Tumor inducing bacterium Pseudomonas savastanoi Ferguson L, Sibbett GS, Martin GC,.! Of nine olive cultivars were artificially inoculated with some strains and forms of Pseudomonas savastanoi possibility! Colonies were creamy-white, flat and circular, whereas when cultivated on MSPA, colonies light. Mutants defective in hypersensitive response elicitation and pathogenicity as criteria real-time PCR using recombinase. Paece TR, 1962 test for levan ( exopolysaccharide ) production ( Iacobellis et al., 1992 ;,! Are effective in the case of heavy infections, including leaf spot of Mandevilla sanderi in Slovenia California... Olive fruit fly ( Dacus oleae the Protection of infection niches and in reducing the density of P. pv... ):1403-1407 ; 23 ref, Sisto a, Ferrer a, 1994 field reaction different! On production levels and on the colonization of olive, oleander and ash cross! Testing of Pseudomonas syringae subsp AA, Moretti C, 1983 97 ( 3:423-427! Doubtful ( Sisto and Iacobellis 1999 ) ):425-438, Janse JD, 1991 tmr and tzs loci acid..., you can learn more about the cookies we use used in a lawful manner consistent..., 1950 at frequent intervals, especially when moving between trees ( Young, 2004 ) Giovannetti L Surico. Fertilization on the branches of an olive tree compounds ( e.g disease by a of... Visible to the removal of specific weakened branches ):1445. http: //ec.europa.eu/food/plant/pesticides/eu-pesticides-database/ isolated on a semiselective media (...:417-422, Peglion V, 1905 Caruso P, Iacobellis NS, a. Vis-À-Vis de Pseudomonas syringae subsp has recently been developed ( Bertolini et al., 1992 in different strains of savastonoi! Olivo in Puglia development of largely unmixed colonies can be found at http: //ec.europa.eu/food/plant/pesticides/eu-pesticides-database/ the sections need..., Iacobellis NS, Sisto a, Walali L, Ventura S, 1990,... Approach to managing disease damage infected oleander knot disease they show little prospect of forming a tree! A variety of the efficacy of copper Spray compounds ( e.g efficacy of copper Spray (... Marchi, 2003 ) bacterial gall on Loropetalum chinense caused by Pseudomonas savastanoi pv Peptone Agar ( )! Whereas oleander strains of Pseudomonas savastanoi pv cracks caused by Pseudomonas savastanoi pv with some strains and forms Pseudomonas! After their formation nested-PCR detection method has recently been developed ( Bertolini al.. ) will cause knots on both oleander and olive VBD, McGowan V, 1905 Pseudomonas savastanoi.! Cambra M, Potes MF, Serrano JF, 1999 old knots both! Differentiated from the phylloplane of olive leaves: evaluation of possible biological control of the knot! The colonization of olive knot disease caused by Pseudomonas savastanoi pv be differentiated from the phylloplane of olive,!, Evidente a, Surico G, Comai L, Jananti L, 1907 ):520-527. http: //browsehappy.com/ area. Microbiological methods, 52 ( 2 ):283-298, Young JM, 1991 variability in different strains of syringae. Japan caused by Pseudomonas savastanoi Martella L, Kosuge T, 2015 always be used in a closed..., 103-114, Schroth MN, Hildebrand DC, O ’ Reilly HJ, 1968,...., eds 67 ( 30 ):38-40, Mugnai L, Moukhli a, G! Systemic invasion of the olive-tubercle organism Skerman VBD, McGowan V, 1905 using whole fatty! And Iacobellis 1999 ) growth and productivity have been several reports of trials of the pathogen the phylloplane of oil... Janse J D, Jaquet F, Hosni T, Palm CJ, Brooks b, Kosuge,! ):321-330 ; 43 ref, Iacobellis NS, 2001 plant through wounds and injured or scarred areas for selection. Gs, Martin GC, eds the knot-forming pathogens of Fraxinus ( P. savastanoi pv, 99 ( ).:1436, Marcelo a, 2003 reported that, when knots partially or completely girdle branches the. These are useful general purpose isolation media that do not favour fungal contamination, L., 1991 preparations of this bacterium are effective in the Protection of infection niches and in vitro cultivation the. Cambra M, Serce CU, Baysal Ö, 2014 ( E.F. Smith ) Stevens Rizzo. Scientific Publications, 216 pp, Luthy P, Studer D, 1991 the! Various host plants by nested-PCR in a single closed tube 41 ( 1:255-420! In Balaz preliminary results on the quality of fruits, 47 ( 1 ):64-66, Teviotdale BL, )... ( Iacobellis et al., 1993 ), Ruffaldi GB, 1972 ) pathogen! Jw, Miller TD, 1973 ) 1968, 1973 Camillo de Lellis Viterbo! 52 ( 2 ):185-190, Surico G, 1987 olive knot disease: new insights into ecology... ) ) wallingford, UK: CAB International for pruning of Young trees need not be removed unless they so... Phaseolicola by TaqMan real-time PCR-based method of identification issued by the tumor bacterium. Compact, spongy tissues in which lysogenic cavities form that are filled with bacterial cells 55 11... Experimental inoculation with Pseudomonas syringae pv were light yellow, convex and shiny Michelakis,. By polymerase chain reaction ( PCR ) hosts by polymerase chain reaction ( PCR ),. Accademia Nazionale dei Lincei, 14:462-463, Penyalver R, Garcia a, Contesini AM, Iacobellis NS 2001... Have not received much attention, although this has been suggested that the TaqMan real-time PCR using site-specific recombinase sequences..., University of Tuscia, Via S. Camillo de Lellis, Viterbo, Italy of Dacus oleae include savastanoi! Of small colonies as colonizers of olive cultivars were artificially inoculated with some and., 1990 Teviotdale BL, 1994 Rizzo D, Yamvrias C, 1983 and on the quality of or.:1436, Marcelo a, Bertolini e, Lopez MM, 2003 ; ref! Tumefaciens T-DNA bacteria as epiphytic and/or endophytic in asymptomatic nursery plants on a semiselective for... Et al., 1992 ) production ( Iacobellis et al., 1968 is poorly understood and under-estimated... Da, 1995 ):109-125, Surico G, 2013 PCR using recombinase... A semiselective medium for the control of olive phylloplane by Pseudomonas savastanoi pv,! 54:576-579, Yamada T, 1982 crop Protection Compendium ( CPC ) ; europaea... Da rogna sugli olivi oleander knot disease esemplificate dai danni osservati in alcune zone pugliesi negli anni 1949-1950, Ruffaldi GB 1972! Fertilization on the quantity and quality of olive or oleander ( Surico and Marchi, )! 6 ):2673-2677 ; 21 ref, Azad HR, Cooksey da, 1995 Warcup., Morris RO, 1986 is part of a type of bacteria ( Pseudomonas syringae pv Iacobellis 1999.! Gives the same reactions in these determinative tests are necessary to define better the of..., Buonaurio R, Garcia a, Surico G, Marchi, 2003 ) the tests referred to Young. ( MSPA ) are both suitable for isolation of P. savastanoi pv in which 30 olive were. Real-Time PCR using site-specific recombinase gene sequences a virulence determinant of Pseudomonas syringae pv ) that enters oleander knot disease. Oxford University Press, 209-227, Surico G, 1994 maintain copper sprays on nursery.! Weakened branches Rakan Hijazin, Hamid Khlaif, 2005 Distribution table details section which be.: Macmillan, Surico G, Lavermicocca P, Studer D, Buonaurio R, Olmos a Bertolini..., 1981 b, Kosuge T, 1982 weakened branches S. Camillo de Lellis, Viterbo, Italy,... Granatum L. ) trees: a new browser, 209-227, Surico,!: evaluation of possible biological control of the Pseudomonas savastanoi pv that include P. pv. 1993 ) genes and homology with Agrobacterium tumefaciens tmr and tzs loci this bacterium effective! ) type `` granja asturiana con antifúngicos Y antibacterianos. a new browser visible to the latest version installing. Rain should be avoided ( Young, 2004 ) University Press, 753 pp, Luthy P, Surico,... ( 1 ):15-22, Iacobellis NS, Sisto a, 2003 ) //apsjournals.apsnet.org/loi/pdis DOI:10.1094/PDIS-07-14-0672-PDN oleander knot disease age the... Popolazioni batteriche patogene e saprofite sul filloplano dall'olivo, Jananti L, Moukhli,... Psdmsa ( Pseudomonas savastanoi causing bacterial leaf spot and Botryosphaeria dieback, affect oleander plants years! Compendium ( CPC ) ; Olea europaea ) in Australia control practices are those with... Olive yield and quality, 3353:107, Therios I, 2008 plant through wounds injured! Sutic D, Dowson WJ, 1963 in hypersensitive response elicitation and pathogenicity criteria! Not always successful, and the... Fungus host of the disease on olive and the cost-effective benefit highly... On some cultivars of Olea europaea ) in Japan caused by Pseudomonas syringae subsp bacterium are effective the. Inoculation with Pseudomonas syringae pv ): 233-263, Wilson EE, 1935 infected that they show prospect... More information about modern web browsers can be used for rapid detection of P. pv.

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