Experiments on resistance of plum varieties and hybrids to plum pox virus in Moldavia

Bivol, T.; Ignat, Vavara F.; Kukurusak, Elena A.; Kegler, sc. Hartmut

doi:10.1080/03235408709437750

Cited by 8 publications

(7 citation statements)

References 2 publications

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“…In analogy to the disease index developed by Bivol et al (1987), an index of hypersensitivity (hypersensitivity index, HI) has been set up. The rating data are ordinally scaled.…”

Section: Setting Up Of An Equation For Calculating the Hypersensitivimentioning

confidence: 99%

The phenotypically quantitative nature of hypersensitivity of European plum (Prunus domestica L.) against the Plum pox virus and its description using the hypersensitivity index

Neumüller¹,

Hartmann²

2008

Hort. Sci. (Prague)

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More than 1,300 seedlings of European plum originating from crossing combinations with at least one parent showing hypersensitivity resistance against PPV were analyzed for their reaction to artificial inoculation with PPV using the double grafting method with virus infected interstem. It was shown that the hypersensitivity resistance against the virus is a phenotypically quantitative trait. The different kinds of symptoms observed in the test system, which contribute to the hypersensitivity resistance, range from weak necrosis on the leaf blade and on the stem to the death of the whole young shoots. A hypersensitivity index was developed which helps to determine the degree of hypersensitivity resistance of an individual genotype. Its use is strongly recommended as selection tool in breeding for hypersensitivity resistance.

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“…In analogy to the disease index developed by Bivol et al (1987), an index of hypersensitivity (hypersensitivity index, HI) has been set up. The rating data are ordinally scaled.…”

Section: Setting Up Of An Equation For Calculating the Hypersensitivimentioning

confidence: 99%

The phenotypically quantitative nature of hypersensitivity of European plum (Prunus domestica L.) against the Plum pox virus and its description using the hypersensitivity index

Neumüller¹,

Hartmann²

2008

Hort. Sci. (Prague)

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“…Top grafting as the most massive inoculation method facilitates the detection of all types of resistance and the different degrees of resistance to PPV (Syrgianidis, 1980;Kegler et al, 1985Syrgianidis and Mainou, 1985;Dosba et al, 1992;Polâk and Kominek, 1995;Polâk et al, 1995Polâk et al, , 1996Polâk et al, , 1997Krska et al, 1997). Furthermore, chip budding and aphid transmission were used successfully as artificial inoculation methods, but in apricot aphid transmission led to a higher level of infections than chip budding (Zawadzka, 1980;Kegler et al, 1983Kegler et al, , 1985Sutic and Rankovic 1983;Hamdorf, 1984Hamdorf, , 1986bHamdorf, , 1992Bivol et al, 1987Bivol et al, , 1988Dosba et al, 1992). Rankovic (1988) combined both methods by using chip budding of one tree and aphid inoculation of another tree, whereby a third tree served as a control.…”

Section: Testing and Retesting Of Ppv Resistancementioning

confidence: 99%

“…Numerous wellknown resistant plum cultivars like 'Cacanska Lepotica', 'Cacanska Najbolja', 'Valevka' and others came from there (Rankovic, 1986;Rankovic and Ogasanovic, 1995). Among others, the plum cultivars 'Kirke', 'Stanley', 'Tuleu gras' and 'Wangenheim ' were successfully proved to be suitable sources of PPV resistance (Trifonov, 1971;Jordovic, 1982;Bivol et al, 1987). Common sources of PPV resistance of apricots have been 'Early Orange', 'Goldrich' and 'Stella' (Syrgianidis, 1980;Dosba et al, 1988;Balan et al, 1997), of peaches 'Rio Oso Gem' and of nectarines 'Crimson Gold' (Syrgianidis and Mainou, 1985).…”

Section: Breeding Of Ppv Resistancementioning

confidence: 99%

Some results of 50 years’ research on resistance to plum poxpotyvirus

Kegler

Fuchs

Grüntzig

et al. 1998

Archives Of Phytopathology And Plant Protection

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About 280 references on resistance of stone fruit species to plum pox potyvirus (PPV) have been utilized and compiled and relevant information is summarized in this review. Methods of testing PPV resistance, procedures of evaluation and characterization of PPV resistance as well as breeding of PPV resistant cultivars have been discussed briefly. Altogether 370 cultivars, hybrids and clones of plum, peach, apricot, nectarine and wild Prunus species are tabulated together with the authors who have reported on the immunity, resistance and tolerance, respectively, of all genotypes mentioned.

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“…The sensitivity of plum cultivars was studied by several scientists, among them Rankovic (1983), Hamdorf (1986), Bivol et al (1987, Paunovic (1989) andSzab6 et al (1991). The sensitivity of plum cultivars was studied by several scientists, among them Rankovic (1983), Hamdorf (1986), Bivol et al (1987, Paunovic (1989) andSzab6 et al (1991).…”

Section: Breeding For Resistancementioning

confidence: 99%

“…Up to now trials have been limited to studying the behaviour of existing scion and rootstock cultivars to PPV infection. The sensitivity of plum cultivars was studied by several scientists, among them Rankovic (1983), Hamdorf (1986), Bivol et al (1987, Paunovic (1989) andSzab6 et al (1991). Their work resulted in the discovery of tolerant cultivars, but not all showed this property in Hungary (Nemeth, 1986;Szabo et al, 1991).…”

Section: Breeding For Resistancementioning

confidence: 99%

History and importance of plum pox in stone‐fruit production¹

Németh¹

1994

EPPO Bulletin

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Plum pox potyvirus (PPV), which first appeared in Bulgaria in 1915, has spread to nearly every European country, and can today also be found in various eastern Mediterranean countries. The pest is of great economic importance especially in some southern and central European countries, causing considerable losses in production of primarily plum, apricot and peach. The extent of losses varies between countries of different climates, depending on cultivars and virus strains. In joint infections with other viruses, PPV provokes synergistic effects, enhancing the economic importance of the pest. Since PPV is transmitted by insects, spread of the virus can be reduced only by eradicating sources of infection and use of virusfree propagating material. Thus introduction of more reliable detection techniques is essential, facilitating mass testing of trees. Close collaboration in studying strain‐related problems of PPV and in searching for resistant and tolerant cultivars is similarly important.

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Experiments on resistance of plum varieties and hybrids to plum pox virus in Moldavia

Cited by 8 publications

References 2 publications

The phenotypically quantitative nature of hypersensitivity of European plum (Prunus domestica L.) against the Plum pox virus and its description using the hypersensitivity index

The phenotypically quantitative nature of hypersensitivity of European plum (Prunus domestica L.) against the Plum pox virus and its description using the hypersensitivity index

Some results of 50 years’ research on resistance to plum poxpotyvirus

History and importance of plum pox in stone‐fruit production¹

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Experiments on resistance of plum varieties and hybrids to plum pox virus in Moldavia

Cited by 8 publications

References 2 publications

The phenotypically quantitative nature of hypersensitivity of European plum (Prunus domestica L.) against the Plum pox virus and its description using the hypersensitivity index

The phenotypically quantitative nature of hypersensitivity of European plum (Prunus domestica L.) against the Plum pox virus and its description using the hypersensitivity index

Some results of 50 years’ research on resistance to plum poxpotyvirus

History and importance of plum pox in stone‐fruit production1

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History and importance of plum pox in stone‐fruit production¹