Susceptibility of Stone Fruit Trees to the Japanese Plum-Tree Decline Causal Agent.

Giunchedi, L.; Poggi-Pollini, C.; Credi, R.

doi:10.17660/actahortic.1983.130.49

Cited by 22 publications

(28 citation statements)

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“…It is associated with the apple proliferation (AP) phytoplasma (Giannotti et al, 1968;Bonnet et al, 1990). In European stone fruits, apricot chlorotic leaf roll (Morvan, 1977) and plum leptonecrosis (Guinchedi et al, 1982) are the most important diseases of apricots and Japanese plums but decline disorders of peach (Poggi Pollini et al, 1993;Marcone et al, 1995) and European plum (Dosba et al, 1991;Poggi Pollini et al, 1995) are also widespread. All these diseases of stone fruits in Europe are associated with the same type of phytoplasma, the European stone fruit yellows (ESFY) phytoplasma (Lorenz et al, 1994;Jarausch et al, 1998).…”

Section: Introductionmentioning

confidence: 99%

Phytoplasma transmission by in vitro graft inoculation as a basis for a preliminary screening method for resistance in fruit trees

Jarausch¹,

Lansac²,

Bliot³

et al. 1999

Plant Pathology

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In vitro grafting was tested as a technique for inoculating Prunus rootstock Prunus marianna GF 8-1 with European stone fruit yellows (ESFY) phytoplasmas and apple rootstock Malus pumila MM106 with apple proliferation (AP) phytoplasmas. In vitro shoot cultures of ESFY-infected Prunus marianna GF 8-1 and AP-infected Malus pumila MM106 were used as graft inoculum to transmit the phytoplasmas to the respective healthy rootstock. Phytoplasma transmission was assessed after a graft contact of 1, 2 or 3 months. Healthy autografts were used as controls to monitor parameters of in vitro grafting. Successful graft union formation ranged from 58 to 79% irrespective of the plant species and the sanitary state of the graft. Pathogen-specific polymerase chain reaction (PCR) was used to test the inoculated rootstocks for the presence of ESFY and AP phytoplasmas, respectively. The rate of ESFY phytoplasma transmission in successful Prunus-grafts increased from 69 to 94% with the time of contact. AP phytoplasma transmission to Malus occurred in 80 to 97% of successful grafts. To our knowledge this is the first report of phytoplasma transmission by grafting in vitro. The results provide a good basis for the establishment of a preliminary in vitro screening method for phytoplasma resistance in Prunus and Malus.

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Section: Introductionmentioning

confidence: 99%

Phytoplasma transmission by in vitro graft inoculation as a basis for a preliminary screening method for resistance in fruit trees

Jarausch¹,

Lansac²,

Bliot³

et al. 1999

Plant Pathology

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“…P. prunorum' depends on the region and species of the tree. ESFY is mainly known in Europe and severe outbreaks were observed over the years especially in the Mediterranean basin (Morvan 1977;Giunchedi et al 1982;Rumbos and Bosalidis 1985;Lederer and Seemüller 1992;Poggi Pollini et al 1993Marcone et al 1996;Mornado et al 1998;Desvignes et al 1999;Paltrinieri et al 2001Paltrinieri et al , 2004Paltrinieri et al , 2008Laviña et al 2004;Torres et al 2004). 'Ca.…”

Section: Natural Hosts and Geographic Distributionmentioning

confidence: 99%

“…Infected trees may show numerous symptoms such as chlorotic leaf roll, leaf deformation, reduced terminal growth, necrosis on the cross section of trunk and branches, die-back and decline (Morvan 1977;Giunchedi et al 1982;Lederer and Seemüller 1992;Marcone et al 1996;Desvignes et al 1999;Poggi Pollini et al 2001;Torres et al 2004). Apricot, peach and Japanese plum are among the fruit trees species which are most sensitive to ESFY (Kison and Seemüller 2001).…”

Section: Symptomatology and Economical Impact Of Esfymentioning

confidence: 99%

“…Apricot, peach and Japanese plum are among the fruit trees species which are most sensitive to ESFY (Kison and Seemüller 2001). ESFY causes considerable economic losses due to the high mortality of apricot and Japanese plum trees (Morvan 1977;Giunchedi et al 1982). The infected trees of apricot and Japanese plum show yellows and leaf roll followed by leaf reddening, necrosis, and decline.…”

Section: Symptomatology and Economical Impact Of Esfymentioning

confidence: 99%

“…It is known that infection with 'Ca. P. prunorum' does not lead to devastation of sweet and sour cherry orchards, as these trees are latent infected or show only mild symptoms (Giunchedi et al 1982;Jarausch et al 1999;Kison and Seemüller 2001). Jarausch et al (1998), using primers designed specifically for ESFY phytoplasma isolates, detected this agent in 82% of examined samples collected from orchards.…”

Section: Symptomatology and Economical Impact Of Esfymentioning

confidence: 99%

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European Stone Fruit Yellows Disease and Its Causal Agent ‘Candidatus Phytoplasma Prunorum’

Cieślińska¹

2011

Journal of Plant Protection Research

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Abstract:The European stone fruit yellows (ESFY) caused by 'Candidatus Phytoplasma prunorum' ('Ca. P. prunorum'), is a devastating, quarantine phytoplasma disease. This agent leads to serious damage in apricot and Japanese plum orchards, including decline of infected trees. The consequences are considerable economic losses in production. European plum and cherry are less susceptible to ESFY, although the 'Ca. P. prunorum' was also detected in these trees in several countries. ESFY seems to be limited to Europe and the neighboring regions (Asia Minor) as its incidence was reported from most of the southern and central European countries, Turkey, and Azerbaijan. 'Ca. P. prunorum' is transmitted by Cacopsylla pruni (Scopoli). The impact of 'Ca. P. prunorum' on stone fruit trees, as well as the methods of detection and identification and control management are reviewed.

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Detection and characterization of phytoplasmas in diseased stone fruits and pear by PCR-RFLP analysis in Turkey

et al. 2005

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Susceptibility of Stone Fruit Trees to the Japanese Plum-Tree Decline Causal Agent.

Cited by 22 publications

References 0 publications

Phytoplasma transmission by in vitro graft inoculation as a basis for a preliminary screening method for resistance in fruit trees

Phytoplasma transmission by in vitro graft inoculation as a basis for a preliminary screening method for resistance in fruit trees

European Stone Fruit Yellows Disease and Its Causal Agent ‘Candidatus Phytoplasma Prunorum’

Detection and characterization of phytoplasmas in diseased stone fruits and pear by PCR-RFLP analysis in Turkey

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