Effects of magnesium nutrition under varying soil moisture conditions on the content and chemical composition of essential oil in medical sage (Salvia officinalis L.)
2004
Mikiciuk,M. | Seidler,M.,Szczecin Agricultural University (Poland). Dept. of Plant Physiology
A two-factorial experiment was conducted at Agricultural University in Szczecin (Poland). The first factor of the experiment was the level of magnesium fertilization: MgO - 0 g of Mg per flowerpot (Mitcherlich type), Mg1 - 0.30 g Mg per flowerpot, and Mg2 - 0.90 g Mg per flowerpot. The second factor of experiment was the level of soil moisture: 30 and 60 percent of maximum water capacity. The content and chemical composition of essential oil were determined in the leaves of S. officinalis. The leaves of tested plant were harvested twice every year. The results of the present study showed that the content of essential oil in the leaves of medical sage depended on the doses of magnesium fertilization. Chemical composition of the oil was similar for all experimental combinations, except for combination Mg2 30 percent maximum water capacity
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