Survive Leucojum aestivum by study growth conditions in three different regions

摘要

Leucojum aestivum L. is a threatened plant species that is currently used as a commercial source of Galanthamine, bulbs are full of alkaloids used as in medicine. The species can grow in 1000 m altitude and found in the western mediterranean region. In order to evaluate some traits of summer snowflake in three different regions of the north of Iran (Langrood, Lahijan, Tonekabon), to show the effect of natural habitats on plant growth, plants were collected at the full flowering stage in 2017. This experiment were designed in random plots in complete randomize with three replications. The size of plots was 25 m 2 , and 9 plants in each plot were evaluated. Flower stem length, flower diameter, leaf number, leaf length, leaf width, leaf area and flower number were recorded. The weight of leaves of plant, flowers of plant, stem and bulb of plants were measured and then conclusion of N, P, K, Ca, Mg, Fe, Mn, Zn and Cu in leaves were determined. The results of variance analysis showed that there was a significant difference between habitats on flowering stem length, flower stem weight, percent of magnessium and concentration amount of cupper (α≤0.05). Also there were significant difference between habitats on leaf length, leaf width, leaf surface, large leaf weight, total leaf weight, bulb weight, plant weight, percent of potassium and amount of magnesium (α≤0.01). It was observed that the maximum leaf long belong to Lahijan plants, so the highest leaf weight with 3.56 g/per plant, bulb weight (20.85g/per plant), plant weight (38.8g/per plant), manganese (27.7 mg/kg) was related to the Langrood plants. The result indicated the effect of organic matter and amount of elements on plant growth had positive effect.