Effect of Bioregulators on Chlorophyll Content at Matthiola incana and Scabiosa atropurpurea

Abstract

During our experiment the effect of chlorocholine chloride, Caramba, Cultar, Regalis and Toprex bioregulators were examined on some annual ornamental species. The species used for the experiment were Coreopsis grandiflora, Godetia grandifolra , Scabiosa atropurpurea and Matthiola incana. The aim of this work was to produce marketable, bushy habitat annual plants as flowering pot plants with the use of retardants. The experiment was carried out from April to September 2013, plants were treated beweekly. Â It was found that all the treatments had effect on the plants but the result depended on the species. In the case of Coreopsis grandiflora the best dwarfing effect was obtained with Regalis 0,25% and Caramba at 0,05% concentration, the maximum shorten rate was 50%. In the case of the other examined species intensive retardant effect was observed with the spray of Cultar, Toprex or Caramba. Best results were obtained by the treatment of Matthiola incana , all the chemicals resulted compact, bushy, decorative plant habitat, Regalis WG had the best results among the bioregulators. The chlorophyll content of two plant species was measured: Scabiosa atropurpurea and Matthiola incana . The chlorophyll content of the leaves was reduced by using growth retardants. The rate of decrease depended on the regulator type and the plant species. By cultivation for market is mandatory to do trial management before use. Â Â