Articles
Growth and fruiting performance of some German plum cultivars, in a high-density planting system
Article number
1457_9
Pages
71 – 78
Language
English
Abstract
German plum cultivars have been widely disseminated in recent years across Europe as well, a fact that raises the need to investigate the pomological value of these cultivars grown in different cultivation areas to determine whether they are recommended for cultivation in a particular area.
Therefore, the current research has been carried out to evaluate the pomological characteristics of eight German plum cultivars as follows: ‘Topfirst’, ‘Katinka’, ‘Toptaste’, ‘Hanita’, ‘Haganta’, ‘Jojo’, ‘Tophit’, and ‘Topend Plus’. The experiment was conducted in a commercial plum orchard located in Sînmihaiu Almașului, Sălaj County, Romania.
Observations and measurements were made on flowering time, fruit ripening, tree vigor, yield, fruit quality parameters, and disease resistance during the period 2016-2022. The first yield, induced by the cultivar and rootstock combination, was early; the trees began to bear fruit starting from the second and third years after planting for all cultivars studied.
The trees showed a high yield potential even from an early age.
The vigour of all cultivars grafted on Saint Julien rootstock was moderate, with some variations, which made them suitable for high-density cultivation and the Zahn Spindle training system. ‘Topend Plus’ and ‘Tophit’ were found to be the most outstanding in terms of all the characteristics evaluated, but ‘Topfirst’, ‘Topend Plus’, and ‘Toptaste’, in some years, proved to be susceptible to Pseudomonas syringae.
Therefore, the current research has been carried out to evaluate the pomological characteristics of eight German plum cultivars as follows: ‘Topfirst’, ‘Katinka’, ‘Toptaste’, ‘Hanita’, ‘Haganta’, ‘Jojo’, ‘Tophit’, and ‘Topend Plus’. The experiment was conducted in a commercial plum orchard located in Sînmihaiu Almașului, Sălaj County, Romania.
Observations and measurements were made on flowering time, fruit ripening, tree vigor, yield, fruit quality parameters, and disease resistance during the period 2016-2022. The first yield, induced by the cultivar and rootstock combination, was early; the trees began to bear fruit starting from the second and third years after planting for all cultivars studied.
The trees showed a high yield potential even from an early age.
The vigour of all cultivars grafted on Saint Julien rootstock was moderate, with some variations, which made them suitable for high-density cultivation and the Zahn Spindle training system. ‘Topend Plus’ and ‘Tophit’ were found to be the most outstanding in terms of all the characteristics evaluated, but ‘Topfirst’, ‘Topend Plus’, and ‘Toptaste’, in some years, proved to be susceptible to Pseudomonas syringae.
Publication
Authors
V. Mitre, O. Borsai, I. Mitre, A.F. Andrecan, L. Lukács
Keywords
Prunus domestica, pomological traits, tree vigour, time of ripening, yield
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