ISHS Acta Horticulturae 800: X International Pear Symposium
THE STUDY OF RADICULAR SYSTEM AND THE INTERACTION OF GENOTYPE AND ENVIRONMENTAL FACTORS FOR PEAR SPECIES CULTIVATED ON SANDS |
| Authors: | M. Cichi, A. Baciu, D. Cichi, L. Păun |
| Keywords: | cultivar, hybrid, rootstock, interstock, architectonics, fruit growth |
| Abstract:
The rootstock influence over the scion is shown in tree vigor, in the stage of development of the individual cycle of life, in the yearly cycle and in the quantity and quality of crops. The combination of different cultivars with one of the numerous rootstocks leads to the formation of trees, whose biological features represent the result of the two partner’s interaction, and yet, different to that of each partner. It comes that these trees developed a great radicular system starting even of the 0–10 cm level, specially the variety Bella di Giugno (50%) and H 37-28-75 hybrid (42.1%). The mass of grafted pear roots was distributed in the soil from 0–10 cm to 70–80 cm depth in the case of Bella di Giugno variety grafted on quince type A with intermediary 'Curé' and from 0–10 cm to 90–100 cm in the case of hybrids. | |
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