Abstract
Horsetail (Equisetum arvense L.) is a perennial herb which creates during the life cycle spring and summer stems. The selected species and populations were monitored in the years 2009-2011 in three different natural locations in Laborecká vrchovina (Slovakia). Samples were collected by destructive methods in all three locations. Silicon content was determined in dry biomass by AAS. Silicon content in plants ranged from 21.11 ± 3.24 g·kg-1 to 32.80 ± 8.03 g·kg-1. The highest content of silicon exhibited samples of the September collection. We found that the location and the year in terms of silicon content were not statistically significant. The main sources for statistical variability in the accumulation of silicon were during the collections.
Highlights
Horsetail (Equisetum arvense L.) is a herbaceous perennial plant
We consider the effect of three factors for the silicon content in the dry matter of horsetail (Table 1), which are from three locations (L1, Locality 2 (L2), Locality 3 (L3)), three years (2009, 2010, 2011) and four collection times (1, 2, 3, 4)
Since we do not have values for each combination of factors and to assess the significance of factors influencing the content of silicon in the dry matter of horsetail, we used an analytical model of variance to calculate the main effects
Summary
Horsetail (Equisetum arvense L.) is a herbaceous perennial plant. It has separate sterile non-reproductive and fertile spore-bearing stems, growing from a perennial underground rhizomatous stem system.The plant contains several substances which can be used medicinally. Horsetail (Equisetum arvense L.) is a herbaceous perennial plant. It has separate sterile non-reproductive and fertile spore-bearing stems, growing from a perennial underground rhizomatous stem system. The plant contains several substances which can be used medicinally. It is rich at minerals silicon (10%), potassium, and calcium. Silicon is generally classified as an element, which is important for plants at their structure, physiology and for protection [1]. Silicic acid is a soluble form of silicon and one of the basic form, which is absorbed and used by plants. Polymerized silicates belong to the group of the hardest materials in plant tissues. Silicon helps to raise the plant health by the creating of strongest and more resistant structures. Plants which are attacked by the herbivores tend to accumulate more oxides [3]
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