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Prospects of Rubia tinctorum L. cultivation and employment in the Republic of Moldova

Author: Paşa Maria
Degree:doctor of biology
Speciality: 03.00.05 - Botany
Scientific adviser: Vasile Florea (decedat)
doctor habilitat, professor
Institution: Botanical Garden (Institute)
Scientific council: DH 11-03.00.05-27.03.08
Botanical Garden (Institute)


The thesis was presented on the 9 September, 2005
Approved by NCAA on the 22 December, 2005


Adobe PDF document0.77 Mb / in romanian


Rubia tinctorum L., fenologic phases, rhythm of growing, ontogenetical periods and stages, primary zone of regeneration, clone, plagiotropic underground sprouts, potential and real seed productivity, coefficient of seed productivity, biostimulators, seeds treatment, ecostim, moldstim, vegetable reproduction, nutrition surface, the weight of underground organs


Prospects of Rubia tinctorum L. cultivation and employment in the republic of Moldova

The work is dedicated to the studies on R. tinctorum morphological, botanical, and ontogenetical features with the aim of discovering the production potentials of medicinal raw materials and the sowing material needed to expand plantations. The experimental finding have demonstrated that R. tinctorum blossoms and bears fruit permanently beginning from the second year. A generative sprout forms numerous flowers but the actual seed producing capacity is significantly lower.

The discovery of the ontogenetical peculiar features has allowed us to establish that a gradual increase in the number of above–ground sprouts (generative and vegetative), and accordingly a reproductive potential of each specimen is of great importance to the plants of an early generative age. Significant changes are observed in the primary renewal zone and in the underground particle zones.

We have noticed that the primary renewal zone ensures the development of new above – ground sprouts at various distances from the maternal plant.

The generative sprouts developing from this zone allows the production of high quality sowing material. The particle renewal underground zones determine the capacity of vegetative mobility in each specimen, and, hence, winning of new areas and the duration of their maintenance.

In order to enhance seed emergence, different treatment were tested, which showed that their soaking in distilled water for 24 hours, followed by mesocarp removal, stimulated emergence up to 40%, and further treatment with KMnO4 increased emergence twice in comparison with the control. A significant emergence increase was achieved after the seed have been treated with biostimulators of plant origin. Plant growth and development dynamics during the primary vegetative period depending on the sowing date has been identified. The optimal plant nutrition area, which ensures the best development of above – ground and underground organs, increase in seed producing capacity, seed weight and quality have been found. The ways of the production of the highest raw material amount at a minimal utilization of sowing area have been found.