Growth and development of marshmallow (Althaea officinalis L.) depending on the method of plantation establishment



In a 4-year field experiment the effect of plantation establishment methods (direct sowing in the field – control; direct sowing in the field with cover of polypropylene sheet; by seedlings from plastic house; by seedlings produced in multi-cell propagation trays) on the growth and development of marshmallow plants as well as the mucilage content in roots in the first and second year of vegetation were compared. It was found that cultivation from seedlings in the first year ofvegetation contributed to increase in growth and development rate of marshmallow plants. As a consequence, higher fresh weight of the aboveground parts and roots were obtained when plants were propagated from transplants than from direct sowing in the field. The greatest height and number of stalks as well as the highest plant weight were observed on the plots with seedlings produced in multiplates. In the case of biennial plants, the method of plantation establishment slightly modified the growth and development of marshmallow. The highest mucilage content was found in roots obtained from cultivation under polypropylene sheet.
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