Reaction of Some Plum Cultivars to Sharka Virus (Plum Pox Virus, PPV-M Strain)

Iliev, P.; Stoev, A.

doi:10.17660/actahortic.2002.577.9

Cited by 2 publications

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“…The state of trees was determined visually on a 0–3 point rating scale for symptoms on the leaves. The symptoms of the fruit were investigated, when the fruit consumption maturity was reached on a 0–3 point rating scale according to Iliev and Stoev [ 34 ]. Tree vigor and canopy shape assessed on a 1–9 point rating scale.…”

Section: Methodsmentioning

confidence: 99%

Pomological Characteristics and Ploidy Levels of Japanese Plum (Prunus salicina Lindl.) Cultivars Preserved in Poland

Głowacka

Sitarek

Rozpara

et al. 2021

Plants

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Research on the resistance to frost, susceptibility to sharka, flowering biology, fruit setting, yield, and ploidy levels of 36 Japanese plum cultivars (mostly hybrids of Prunus salicina with Prunus cerasifera) were carried out in 2015–2020 at the Experimental Orchard located in Dąbrowice near Skierniewice. Relatively mild winters with sporadic temperature drops to nearly −21 °C in January of 2017 and 2018 caused slight damage to several cultivars of Japanese plum insufficiently resistant to frost. The trees of most cultivars remained healthy, with no signs of damage. ‘Barkhatnaya’ and ‘Tatyana’ cultivars turned out to be very susceptible to sharka. ‘Herkules’ trees were the most vigorous. ‘Barkhatnaja’, ‘Blue Gigant’, ‘Shater’, and ‘Tatyana’ trees were characterized by weak growth. The trees of Japanese plum started flowering early, usually in the first or second decade of April. Most of the cultivars belonged to early season cultivars, the fruits of which ripened in July. Based on the assessment of tree productivity, ‘Barkhatnaya’, ‘Inese’, ‘Shater’, ‘Tatyana’, and ‘Vanier’ are the best for growing in the climate of Central Europe. ‘Tsernushka’, ‘Chuk’, ‘Dofi Sandra’, ‘Early Golden’, ‘Ewierch Rannyj’, ‘Yevraziya’, ‘Gek’, ‘General’, ‘Kometa’, ‘Kometa Late’, ‘Maschenka’, and ‘Naidyona’ trees also yielded well. ‘Blue Gigant’, ‘Black Amber’, and ‘Herkules’ had the largest fruits, and ‘Chuk’ and ‘Inese’ cultivars produced the smallest fruits. Among the assessed Japanese plum cultivars, those with round fruit, dark skin with various shades of purple, yellow flesh, and A cytometric analysis showed that almost all cultivars are diploid, except for ‘Herkules’ (possibly pentaploid) and ‘Yevraziya’ (possibly hexaploid or aneuploid).

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Section: Methodsmentioning

confidence: 99%

Pomological Characteristics and Ploidy Levels of Japanese Plum (Prunus salicina Lindl.) Cultivars Preserved in Poland

Głowacka

Sitarek

Rozpara

et al. 2021

Plants

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show abstract

“…The symptoms on the fruits were investigated when the consumption maturity was reached. A 0-3 point scale was used, where 0 -means fruits without symptoms, 1 -superficial symptoms without deterioration of the fruit quality; 2 -to 10% of the fruit with sharka symptoms, fruit abscission and low quality for consumption; 3 -over 10% of fruits with pathological changes (Iliev, Stoev 2002). Tree growth vigour was expressed by the thickness of the trunk measured annually in the autumn in a permanently marked place at a height of 30 cm above the grafting union.…”

Section: Methodsmentioning

confidence: 99%

Evaluation of several dessert cultivars of plum, new under climatic conditions of Poland

Głowacka¹,

Rozpara²

2017

Hortic. Sci.

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'Victoria' were the control combination. On the basis of the eight-year study it was found that the most vigorously growing were trees of the cultivar 'Excalibur' . The most susceptible to frost damage and infection by Chondrostereum purpureum (silver leaf ) were trees of the cultivars 'Edda' and 'Excalibur' . In addition, the cv. 'Excalibur' was characterized by high susceptibility to the Plum pox virus (sharka). The highest cumulative fruit yield was shown by the cultivar 'Jubileum' . The worst fruiting were trees of the cultivar 'Mallard' . Fruits of the cv. 'Excalibur' had the highest weight. The smallest were fruits of the cv. 'Edda' characterized by early ripening time. The highest amounts of soluble solids were contained in fruits of the cultivar ' Avalon' . The cvs 'Edda' , 'Reeves' and ' Avalon' proved suitable for cultivation in Polish climatic conditions.

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Reaction of Some Plum Cultivars to Sharka Virus (Plum Pox Virus, PPV-M Strain)

Cited by 2 publications

References 0 publications

Pomological Characteristics and Ploidy Levels of Japanese Plum (Prunus salicina Lindl.) Cultivars Preserved in Poland

Pomological Characteristics and Ploidy Levels of Japanese Plum (Prunus salicina Lindl.) Cultivars Preserved in Poland

Evaluation of several dessert cultivars of plum, new under climatic conditions of Poland

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