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• The setting of fenological- stadium of plum (Prunus domestica) varieties in 2012

  93-96

  Anikó Czinege

  Views:

  211

  We planted experimental trees, namely 6 plum varieties grafted on 6 plum rootstocks in the spring of 2010. Our aim was to observe differences in the fenological-stages of plum rootstock and variety combinations. ‘Cacanska lepotica’, ‘Jojo’,

  ‘Katinka’, ‘Topfive’, ‘Topper’, ‘Toptaste’ plum varieties were planted on ‘Mirobalan’ (Prunus ceresifera var. ceresifera cv. myrabolan); damson (Prunus institicia) – ‘St Julien A’, ‘St Julien GF655/2’; and ‘Wawit’; ‘Wangwnheim’; ‘Fereley’ rootstocks. We observed the bud burst, the flowering course: at the start of the flowering, during the main flowering, and at the end of flowerings and the ripening of the plum. Finally we observed the difference in leaves falling observed in the case of the different varieties and rootstock combinations.

  The bursting of buds started with ‘Cacanska lepotica’, in March 16 and finished with ‘Jojo’ / ‘Mirobalan’ combination, in March 22. The starting of flowering course was in March 29 with ‘Topper’ / ‘St Julien GF655/2’ combinations and the end of flowering course finished with ‘Toptaste’ varieties, in April 3–4. The start of ripening of the plum was with ‘Katinka’ / ‘St Julien A’ combinations, in July 17. and the end of ripening of the plum finished with ‘Topper’ variety. The start of leaves falling began with ‘Cacanska lepotica’, in Sept 5–8 depending on irrigation, and ‘Katinka’, ‘Jojo’ varieties finished, in November 28–29.

• The setting of fenological-stadium of plum (Prunus domestica) rootstock-variety combinations in 2011–2013

  25-29

  Anikó Czinege

  Views:

  209

  We planted experimental trees, namely 6 plum varieties and 6 plum rootstocks in the spring of 2010, which of aim were the phenological -phases of variety-rootstock combinations analyses.

  We observed 18 plum varieties – rootstocks combination in Kecskemét, in Garden of Kecskemét Collage. We set the examination with 2 kind irrigations. A plum combination appear in the examination in 6 repetition depend on irrigation. The vegetative period started bursting of buds in 2011 March 15–18.; 2012 March 16–19. and 2013 March 12.–April 2. This was followed green buds stadium shorter or longer periods, than appeared white buds stadium and in the following day we could see started of flowering. The main flowering kept 7–10 days, except in 2012, when arriving frozen by April 8. morning stopped the main flowering. Following flowering we observed fruit falling 3 occasion, these weren’t noticed calendar date. These were in order: fruit falling after set, fruit falling in June, fruits falling before harvest. In 2013 these fruit falling there weren’t considerable. The ripening was characteristically varieties. The most of earlier ripening was ‘Katinka’/‘St Julien A‘, from which we didn’t harvest in 2011, but in 2012 July 17, and in 2013 July 9. pick up some plum fruits. The ‘Cacanska lepotica’ ripped in July 21–30, this was followed in ripening time the ‘Topfive’ in July 19.–August 6., The ‘Toptaste’ in August 5–23., The ‘Jojo’ in August 2–26., and the ‘Topper and ‘Katinka’/‘Mirobalan ’ stopped ripening in August 22.–September begin. The colouring leaves and the falling leaves started continue after harvesting, but we experienced the end of the falling leaves in the first bigger frozen time, October 24.–November 26.

• Comparison of hypersensitive plum rootstocks

  183-184

  Peter Hilsendegen

  Views:

  268

  New bred plum rootstocks are compared with ‘Prudom’ as a growing standard. Combined with ‘Cacanska lepotica’ and ‘Jojo’ the rootstocks ‘Prudom’, ‘Dospina 235’ and ‘Docera 6’ were involved in this comparison. Following the first five years, no variant showed inaffinity. The vegetative performance of ‘Prudom’ and ‘Dospina 235’ was in the same range (±5–10%). ‘Docera 6’ shows vigour reduction (12–14%). ‘Prudom’ and ‘Dospina 235’ are also in the same range of generative performance (‘Cacanska lepotica’ -19%, ‘Jojo’ +4%). The cumulated yield in Docera 6’ was more or less half quantity. The results of the first five years are too young for valid practical advice. Furthermore, it opens the perspective for alternative rootstock of prune industry in areas with high virus pressure.

• Vegetative shoot growing and yield productivity of different plum cultivar and rootstocks combination

  25-29

  Anikó Czinege

  József Nyéki

  Miklós Soltész

  Views:

  286

  We planted containers plum rootstocks and cultivar combinations for irrigation and rootstocks experiment. We planted Cacanska lepo tica, Katinka, Jojo, Topfive, Toptaste, Topper plum cultivar on Mirobalan, St Julien A, St Julien GF 655/2, Wavit, Wangenheim, and Fereley rootstocks. Before budding we measured the trunk diameter on trees, than I count the trunk cross area, we measured the high of trees, the high of crown, and the wide of crown, and counted the volume of crown from these data. We conclude the vigorous from the trunk cross area and the volume of crown. In the started growing less vigorous combinations look like Topfive/Wavit, Jojo/Mirobalan and Katinka/Mirobalan grafted on the basis trunk cross area and the volume of crown. In the vegetative period we measured the shoot growing on model branch every started of months. So we could determine the growing tendency. The smallest growing was Cacanska lepotika/Mirobalan. 
  In the flowering the grafted flowered in rich, excepted the Topfive cultivar on St Julien A, St Julien GF 655/2, and Fereley rootstocks, these didn’t flowered. The Topfive/Wavit combinations there were a richest flower. 
  In the harvest term we could pick up plum fruits from Topfive/Wavit combinations, and Cacanska lepotica, Jojo, Toptaste cultivar. And in addition the Topper cultivar was the highest yield on their all of rootstocks.