Published in Scientific Papers. Series A. Agronomy, Vol. LXVIII, Issue 2
Written by Andreea TICAN, Mihaela CIOLOCA, Monica POPA
The modernization of the production of planting material for potato cultivation and especially the production of minitubers on industrial substrate represents a highly topical research direction worldwide, in line with the major objective of upgrading potato cultivation in Romania. The Research Laboratory for Plant Tissue Cultures, of the National Institute of Research and Development for Potatoes and Sugar Beet Brașov evaluated the minituberization process was on two culture substrates for four genotypes to observe whether the use of industrial substrate is more efficient than soil. The biological material used consisted of virus-free in vitro plants, starting from the culture of meristems. In vitro potato plants were planted on the two types of substrates. Determinations of number and weight of the minitubers were made. The industrial substrate favoured the production of a higher average number of minitubers (7.82 minitubers) with a distinctly significant positive difference, compared to the conventional substrate (6.94); also on industrial substrate the average weight of minitubers was higher than on peat.
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