Published in Scientific Papers. Series B, Horticulture, Vol. LXIV, Issue 1
Written by Bogdan ZAMFIRESCU, Dorel HOZA, Mădălina BUTAC, Mihai CHIVU
Mirobolan seedling (Prunus cerasifera) is the most popular rootstock for plums. Recently researches were begun about the vegetative and generative rootstocks suitability to conditions of Romania. In 2017-2019 periods the influence of six rootstocks on growth, yield and fruits quality at 'Jojo’ cultivar was carried out at Genetics and Breeding Department, in Research Institute for Fruit Growing Pitesti, Romania. The trees were planted in the spring of 2015 at 4 x 3 m and comprised 3 trees/3 replications. As results of the investigations we found that: 'Mirobolan dawrf’ and 'Mirodad 2’ rootstocks induced a very low vigor; the smallest increase of trunk diameter was on the rootstocks 'Adaptabil’ and 'Mirodad 2’; the 'Jojo’ cv. yielded significantly better on 'Mirodad 1’ and 'Mirodad 2’ rootstocks; the largest fruits were obtained when the variety was grafted on 'Mirobolan dwarf’, and the best taste was obtained in the case of the 'Mirodad 2’ rootstock. The 'Jojo’ cv. grafted on the 'Mirodad 2’ rootstock was noted for its low vigor, high yielding capacity and fruits with high soluble solids content. It can also be observed that in the case of the 'Mirodad 2’ rootstock the fruits weight was slightly lower due to the very high production.
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