Mother orchards for cuttings of the main fruit species have been established at the Fruit Growing Institute of Plovdiv. The agricultural practices are maintained at a high level, and plant protection follows the requirements of the particular fruit species. The mother orchards of the Institute are subject to regular inspection by the Central Plant Quarantine Laboratory (CPQL) at the Bulgarian Food Safety Agency (BFSA).
Experienced workers collect the cuttings, which guarantees the authenticity of the cultivars.