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• Characteristics of fruit producing enterprises according to the data of farms taking part in the test farm system

  41-45.

  K. Takács-György

  Views:

  132

  Fruit farming plays an important role within the Hungarian agriculture. The climatic conditions of the country make it possible to produce 20 temperate-zone fruit species, 14-15 of which are economically significant. The weight of the sector is high relative to the immobilised land, it is important in the field of employment and holding of rural population.

  I examined the enterprise form, production size, revenues and profit of farms dealing with fruit production relying on the data of the agricultural test farm system of 1999. The proportion of croppers and entrepreneurs is significant among fruit producers. Their revenue realising ability is low, which depends on the production size too. But the polarisation of these farmers has started and a new level is being formed that is considerable from the viewpoint of value production.

   

• New sweet cherry cultivars in intensive plantings

  13-16.

  Z. Szabó

  E. Farkas

  M. Soltész

  Cs. Fieszl

  G. Balázs

  J. Nyéki

  Views:

  390

  The study took place in the largest sweet cherry plantation in West Hungary. The purpose has been the identification of those varieties, which will be suitable for intense cultivation, early fruiting and excellent fruit quality, moreover, the selection of the optimal phytotechnical procedures. At the same time, scion-rootstock combinations have been tested also from the point of view of growing intensity and fruiting in high-density plantation. The dense planting is induced to start fruiting early and yield regularly by special methods.Yielding was stimulated by maintaining the balance of vegetative-generative growth by binding the shoots, by summer pruning, by cuts on the trunk and root pruning. Best experiences have been found in yield and quality in the following varieties: Canada Giant, Carmen, Firm Red, Giant Red, Katalin, Kordia, Regina. Dense planting has been feasible also on vigorous rootstock, like P. mahaleb. Dwarfing rootstocks like P-HL-A, Gisela 6, accelerate the formation of flower buds and yielding earlier with fruits of adequate size. ‘Firm Red’ and ‘Giant Red’ excelled with their large fruit (>27 mm diameter) in all combinations, thus being promising under Hungarian conditions.

• Partial and total rejuvenation pruning of sour cherry trees

  11-15.

  Á. Csihon

  P. Dremák

  I. Gonda

  Views:

  322

  Sour cherry can be considered as a special fruit species regarding the growing characteristics, as most of the cultivars are characterized by strong balding. With the aging of the tree the inactive (passive) parts of the canopy are increasing steadily, so the productive cropping surface and the yielding capacity decrease  significantly. In our experiments partial rejuvenation pruning was carried out in a 12 years old orchard, and total rejuvenation pruning was performed in a 21 years old plantation to regenerate the cropping surface of the trees. Thanks to the latter one the canopy of the sour cherry trees were regenerated during only two years. The yields of the rejuvenated trees in cv. ‘Debreceni bőtermő’ exceeded the yields of the control trees, as in the case of the cvs. ‘Érdi bőtermő’ and ‘Újfehértói fürtös’ approached it. At the same time the total rejuvenation pruning has a positive effect on the fruit size.