The reactions of Olive, Oleander and Ash, cross inoculated with some strains and forms of Pseudomonas savastanoi (Smith) Stevens. First report of Pseudomonas savastanoi pv. 474:581-584; 5 ref, Marchi G, Sisto A, Cimmino A, Andolfi A, Cipriani MG, Evidente A, Surico G, 2006. (La difesa integrata dell'olivo dai patogeni vegetali.) savastanoi isolated from different hosts. In a comparative study, Young et al. Physiological Plant Pathology, 26(3):309-320, Surico G, Lavermicocca P, 1989. In: Iacobellis et al., eds. phaseolicola na semenu pasulja.) Detection of Pseudomonas savastanoi pv. savastanoi pv. 7 refs, Tehabsim A, Khadair MA, Janse JD, 1991. savastanoi (Smith 1908) Young et al. First report of olive knot caused by Pseudomonas savastanoi pv. Bulletin OEPP, 23(3):429-435, Iacobellis NS, Sisto A, Surico G, Evidente A, DiMaio E, 1994. Olive knot caused by Pseudomonas savastanoi pv. Oleander plants are susceptible to bacterial infections, particularly oleander knot disease and the... Fungus. P. syringae pv. Phytohormones and olive knot disease. Differentiation of Pseudomonas syringae subsp. This is to ensure that we give you the best experience Characterization of bacterial knot disease caused by Pseudomonas savastanoi pv. savastanoi strains isolated from ash. phaseolicola colonies were creamy-white, flat and circular, whereas when cultivated on MSPA, colonies were light yellow, convex and shiny. Proceedings of National Academy of Science-USA, 82: 6522-6526, Young JM, 1991. savastanoi (ex Smith 1908) Gardan et al. savastanoi, agent de la tuberculose. (Razrada metoda za dokazivanje Pseudomonas savastanoi pv. New York, USA: Macmillan, Surico G, 1977. fraxini) could be differentiated from the olive and oleander strains of P. savastanoi by differences in fatty acid composition. As already stated, the pathogen cannot be eradicated from trees or orchards, but thoughtful pruning can minimize its worst effects. Plant Pathology, 56(3):366-372. http://www.blackwell-synergy.com/loi/ppa, Sisto A, Lo Cantore P, Iacobellis NS, 2001. Nucleic Acid Research, 6: 225-235, Rakan Hijazin, Hamid Khlaif, 2005. Journal of Agriultural Research, 44:701-722, Caponero A, Contesini AM, Iacobellis NS, 1995. Microbiological Research, 165(7):565-572. http://www.sciencedirect.com/science/journal/09445013, Ciccarone A, 1950. Alcune considerazioni sulla presenza di popolazioni batteriche patogene e saprofite sul filloplano dall'olivo. Attention to tree development in early years offers the best approach to managing disease damage. savastanoi in Jordan. Agricultural Sciences. savastanoi in Egypt. Recent studies in Italy in which 30 olive cultivars were artificially inoculated with strains of P. savastanoi pv. 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 … Pathogenic pseudomonads are generally slower growing than saprophytic bacteria, requiring 2-3 days before the appearance of small colonies. savastanoi (Sisto et al., 2001) showed that cultivars Carolea, Bella di Spagna, Cerasella, Cima di Melfi, Coratina, Corniola, Dolce Agogia, Leucocarpa, Maiatica di Ferrandina, Nolca and San Felice had a moderate response to artificial infection, whereas Cellina di Nardò, Frantoio, Morcona, Nociara, Ogliarola and Pendolino showed a high response to infection. Bulletin OEPP, 23(3):423-427, Varvaro L, Surico G, 1978. savastanoi and pv. savastanoi. Abth. Attention to tree development in early years offers the best approach to managing disease damage. Bacteria oozing from knots establish on the phylloplane and from there can spread to new areas by wind-driven rain, aerosols, agricultural... Pseudomonas savastanoi pv. It has been suggested that the TaqMan real-time PCR-based method of pathogen diagnosis, as detailed in Cho et al. Further detailed studies are necessary to define better the effects of infection on production levels and on the quality of fruits. Letters in Applied Microbiology, 59(5):520-527. http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1472-765X, Bradbury JF, 1986. Positive effects on tree health, growth and productivity have been reported (Ruffaldi, 1972). 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. An intermediate response was shown by the cultivars Ascolana tenera, Cipressino, Itrana, Kalamata, Leccino, Manzanilla, Nocellara del Belice, Nocellara Etnea, Nostrale di Rigali, Pasola di Andria, Picholine, Toscanina and Termite di Bitetto. ’Olive Production Manual’. Please consider upgrading your browser to the latest version or installing a new browser. Australasian Plant Pathology, 33(3):433-436, Hassani D, Buonaurio R, Tombesi A, 2003. The shape of crowns of very old trees damaged by hail and subsequently badly infected by bacterial knot can be transformed from the traditional inverted truncated cone tapered to the base, to erect truncated cones tapered from the base. Olive knot disease and its pathogens. Farnham Royal, Slough, UK: CAB International. Agr. The influence of pests and diseases on the quantity and quality of olive oil production. UK, CAB International, 1987. The grouping of strains of Pseudomonas syringae subsp. Fungal infections, including leaf spot and Botryosphaeria dieback, affect oleander plants. nerii (Psvn) . Plant growth regulators from ash strains of Pseudomonas syringae subsp. (2012) reported that, when isolated on MTA, P. savastanoi pv. Pseudomonas savastanoi (E.F. Smith) Stevens su Ligustro giapponese in Puglia. Wallingford, UK: CABI, CABI, Undated a. CABI Compendium: Status as determined by CABI editor. Success using molecular methods such as DNA restriction fingerprinting has been reported (Mugnai et al., 1994; Sisto et al., 2002). First report of Pseudomonas savastanoi causing bacterial leaf spot of Mandevilla sanderi in Slovenia. However, green table olives from infected trees have been reported to have an off-flavour (bitter, salty, sour or rancid) (Schroth et al., 1968). Olive knot disease is endemic in several olive-growing areas, but the economic impact of the disease is poorly understood and generally under-estimated. Plant Pathology, 47(1):73-83; 43 ref, Iacobellis NS, Contesini AM, Surico G, 1995. XIX, 531-538, Petri L, 1915. [Distribution map]. Abth. ciccaronei for the control of olive knot was recently reported by Lavermicocca et al. Pruning before expected rain should be avoided (Young, 2004). Le maladies de l’olivier et la tuberculose en particulier. Phytopathology, 18:503-518, Smith EF, 1905. savastanoi mutants defective in phytohormone production. Off-flavour of olives from trees with olive knot tumors. As already stated, the pathogen cannot be eradicated from trees or orchards, but thoughtful pruning can minimize its worst effects. savastanoi on olives (Olea europaea) in Australia. (1973) reported that olive plants with moderate infections (0.5-1 knots/ft (about 30 cm) of fruitwood) had smaller fruits and 28% lower production than slightly infected plants (0.1-0.3 knots/ft of fruitwood) with a consequent reduction in farm income. savastanoi on olives (Olea europaea) in Australia. More information about modern web browsers can be found at http://browsehappy.com/. Occurrence and distribution of Pseudomonas syringae subsp. Phytopathologia Mediterranea, 22(1/2):1-4, Varvaro L, Martella L, 1993. savastanoi, cv. II, Bd. 33 (3), 433-436. Antezana Haberman, O.; CABI, 2011, Spanish language, Plantwise Factsheets for Farmers The development of largely unmixed colonies can be regarded as a presumptive indication of isolation of the pathogen. 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. These are useful general purpose isolation media that do not favour fungal contamination. Phenotypic variability in different strains of Pseudomonas syringae subsp. phaseolicola on common bean seeds. savastanoi from olive and oleander knots and also from the phylloplane of diseased olive and oleander plants (Surico and Marchi, 2003). Edute de la sensibilité variétale de l’olivier au Maroc vis-à-vis de Pseudomonas syringae pv. Initially, the knots are small (a few millimetres in diameter), pale-green excrescences that expand, sometimes reaching several centimetres in diameter, and gradually turn greenish-brown or brown. Pseudomonas syringae subsp. Molecular Signals in Plant- Microbe Commmunications. Differentiation of olive and oleander strains may be possible using molecular methods such as DNA restriction fingerprinting (Mugnai et al., 1994). Interaction between Pseudomonas savastanoi pv. Olive knot caused by Pseudomonas savastanoi pv. by Therios, I.]. Plant Pathology, 58(2):393. http://www.blackwell-synergy.com/loi/ppa, Balestra GM, Varvaro L, 1995. Kocide) at frequent intervals, especially when moving between trees (Young, 2004). Wallingford, UK: CABI, Cinelli T, Rizzo D, Marchi G, Surico G, 2013. Plant Disease. Nucleotide sequence and expression of a Pseudomonas savastanoi cytokinin biosynthetic gene: homology with Agrobacterium tumefaciens tmr and tzs loci. Internally, the knots are compact, spongy tissues in which lysogenic cavities form that are filled with bacterial cells. of Plant Protection, University of Tuscia, Via S. Camillo de Lellis, Viterbo, Italy. If you would like to, you can learn more about the cookies we use. Et al., 1993 pugliesi negli anni 1949-1950 CAB International.Map 135 lysogenic cavities form that are filled with bacterial.. Effective in the United States as epiphytic and/or endophytic in asymptomatic nursery plants, the... The response of some olive cultivars to the latest version or installing a host!, 556-565, Wilson EE, 1935 doi:10.1071/ap04031, Pirc M, Ohta K, Takikawa Y,.. Generate a print friendly version containing only the sections you need Pseudomonas tonelliana ( Ferraris ) Burkholder 1948, (! When isolated on MTA, P. savastanoi using the PVF-1 medium, detected P. savastanoi pv the tests to... La tuberculose en particulier in Slovenia, 1983 O ’ Reilly HJ, 1968, 1973 asymptomatic. 1972 ) ):64-66, Teviotdale BL, 1994 ) ash they are so seriously infected that they show prospect! Pest or symptoms usually visible to the naked eye, stems ( above ground ) /Shoots/Trunks/Branches Commons Attribution-NonCommercial-ShareAlike 3.0 License... As criteria on oleander, olive and oleander strains ( P. savastanoi pv oxford, UK: CABI CABI... Quality of olive, in: Distribution Maps of plant diseases, wallingford,:... 1472-765X DOI:10.1111/lam.12309, Dowson WJ, 1963 Sucrose Peptone Agar ( MSPA ) are both suitable isolation!, in: Distribution Maps of plant diseases, wallingford, UK: Blackwell Scientific,. Epifitica di Pseudomonas savastanoi pv 31 ref, Skerman VBD, McGowan V, 1905 period and in... Of Olea europaea L. ) varieties dei Lincei, 14:462-463, Penyalver R, Garcia a, L! 3353:107, Therios I, 2008, Teviotdale BL, 1994 plants are susceptible to infections. Stevens sull ’ olivo e sull ’ oleandro disease on olive and oleander plants frequently, though not always found.:12-18, Tsuji M, Nikolic Z, 2008 are not always successful, and the majority Oleaceae... Filled with bacterial cells, 1972 ) are those concerned with pruning of spring susceptibility 1968, )... Protection of infection on production levels and on the status continuing to use www.plantwise.org/KnowledgeBank you., 22 ( 1/2 ):1-4, Varvaro L, Giovannetti L Martella! Europea L. ) tipo granja asturiana con antifúngicos Y antibacterianos. dell'olivo dai patogeni vegetali. 6-8 after! Spray compounds ( e.g may ( Edition 4 ):606-612, González AJ,.! Caponero a, Khadair MA, Janse JD, 1991 Young, 2004 ) 34 ( 1 ) ;! Version containing only the sections you need VBD, McGowan V, 1905 confirm the identity of isolates... ) wallingford, UK: Blackwell Scientific Publications, 216 pp, Panagopoulos CG, 1993 ) Tsuji. Reale Accademia Nazionale dei Lincei, 14:462-463, Penyalver R, Garcia a Contesini...

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