PRELIMINARY RESULTS REGARDING INDUCING OF FEATHERING AT PLUM (PRUNUS DOMESTICA L.) IN FRUIT TREE NURSERY
Journal Title: FRUIT GROWING RESEARCH - Year 2017, Vol 0, Issue
Abstract
Feathered nursery trees have the most important role in the high-density apple planting systems. It is critical to plant well developed feathered, branched nursery trees at the beginning of new fruit orchard establishments. The objective of this paper is to show preliminary results obtained in an experiment of inducing feathering in plum through natural „pinching” or „leaf removal” technique. There is a great difference of the planting material obtained in nursery with or without new branches called „feathers”. The plum planting material is highly seeked by professionals, hobby gardners equally, thus the interest on this species is great. Projecting the crown starting in the nursery, after planting at the final orchard establishment the further forming of the crown is much easier and quicker, greater yields can be obtained, shortening the period of yield appearing time. In 2017 in the nursery of FRDS Bistrita we tried to experiment the „leaf pinching technique” or leaf removal technique of the upper leafs on the top of axis. Applying this method we achieved well branched, feathered young trees of the two studied plum cultivars ’Romaner’ and ’Andreea’. The feathering was induced with „pinching” treatment in June 2017.The analysed data showed that an average of 4-7 new feathers formed (63-73,3%) in both cultivars. At ’Romaner’ cultivar was registered also a percent of 26.7 % of 1-3 feathers. A greater number of feathers at ’Romaner’ cultivar is reduced, just 10 % of the trees had 8 feathers. At ’Andreea’ cultivar the most important number of feathers were the trees witch 4-7 feathers in 73.3 %. A greater number of feathers were observed at ’Andreea’ cultivar, 23.3% of the trees had more than 8 feathers.
Authors and Affiliations
Zsolt Jakab-Ilyefalvi
Keywords
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