Influence of Cultivation Method and Irrigation Regime on Growth, Oil Yield and Some Water Relations of Sage (Salvia officinalis, L.) in Heavy Clay Soils

Document Type : Original Article

Authors

1 Department of Medicinal and Aromatic Plants, Agric. Res. Center, Dokki, Giza, Egypt.

2 Soil, Water and Environment Res. Inst., Agric. Res. Center, Giza, Egypt.

Abstract

Two field experiments were established at Sakha Agricultural Research Station during the seasons of 2010 and 2011 to evaluate the effect of cultivation method (normal furrow and raisedbed cultivation on the two sides) and irrigation treatments (Traditional irrigation, irrigation with 0.8 Ep and irrigation by using ETP = 0.1642 + 0.8 Ep Ibrahim equation) on the growth, oil yield and some water relations of sage plants. The obtained results showed that cultivation of sage on raisedbed was the best for producing taller plant with more branches, more number of leaves/plant, less leaves/stems ratio, heavier fresh and dry weight of herb as well as higher essential oil% and essential oil yield/plant and for saving water of 1357.2 m3/fed* than the normal furrows in the two cuts for both seasons. Traditional irrigation was effective in raising the productivity of herb, yield and essential oil. The interaction between the two treatments gave the best results. Concerning essential oil constituents cineol was the major compound followed by Myrcene, Thujon was the third component. The values of applied irrigation water, the used consumptive water, irrigation water productivity and productivity of irrigation water were clearly affected by cultivation method and irrigation treatments. So, it could be recommended to cultivate sage on raisedbed at the two sides and irrigate with traditional irrigation using approximately 3345.1 m3 Water /fed to obtain the best growth parameter and oil yield of Salvia officinalis L. plant cultivated in heavy clay soil.
*fed (Feddan) =4200 m2

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