PRELIMINARY RESULTS REGARDING THE INFLUENCE OF THE ROOTSTOCKS TO THE VIGOUR AND PRECOCITY OF SOME PLUM CULTIVARS
Journal Title: FRUIT GROWING RESEARCH - Year 2016, Vol 0, Issue
Abstract
The most popular rootstock in Romania, like in the most European countries, is Myrobalan seedling, which is very vigorous and insufficient compatible with some cultivars. At present, very important roles in the intensification of plum orchards have vegetative propagated rootstocks. This is the reason that at RIFG Pitesti, Romania, started the breeding program and 6 vegetative plum rootstocks were registered. The aim of the present study is to evaluate the influence of 4 vegetative rootstocks (‘Mirodad 1’, ‘Mirodad 2’, ‘Adaptabil’, ‘Redutabil’) to the vigor and precocity of 3 plum cultivars (‘Andreea’, ‘Pitestean’, ‘Cacanska Lepotica’) in the second year after planting. The study was carried out at Genetics and Breeding Department - Research Institute for Fruit Growing Pitesti, Romania. The experimental plot was established in 2015 spring, in a randomized block design, 3 replications with 4 trees per replication. The following traits were recorded: trunk diameter (mm); number and length of shoots (cm) per tree, number of fruit buds, flowers and fruits per tree. As results of the investigations we found that: ‘Redutabil’ rootstock induced a low vigor to the varieties grafted on, ‘Adaptabil’ rootstock induced a very high vigor; ‘Andreea’ cv. had the largest trunk diameter, but a small number of shoots, this being a spur cultivar, with a small number of shoots. ‘Cacanska Lepotica’ and ‘Pitestean’ cvs. had a small trunk diameter, but a good capacity of shooting; all cultivar / rootstock combinations came into bearing since the second year after planting; the most fruits have been obtained when the cultivars were grafted on ‘Adaptabil’ rootstock and the less with ‘Redutabil’ rootstock; of all the varieties studied was noted ‘Cacanska Lepotica’ cv. with a high number of fruits per tree. ‘Andreea’ cv. had the lowest number of fruits per tree.
Authors and Affiliations
Madalina Butac, Ion Dutu, Craisor Mazilu, Dorin Sumedrea, Bogdan Zamfirescu, Marilena Cojocaru, Radu Coman
Keywords
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- EP ID EP244121
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