The Study On The Effect Of Different Levels Of Zeolit And Water Stress On Charactristics And Quality Of Moldavian Balm
2007
Gholizadeh, A., Guilan University., | Esfahani, M., Guilan University., | Azizi, M., Ferdowsi University.
In order to study the effect of different levels of zeolite and water stress on growth, development and essential oils content of moldavian balm a pot experiment was conducted in greenhouse with 12 factorial treatments and three replicates. Four level of zeolit(zero, 20, 25 30gr/12kg soil) and three levels of water stress(saturated irrigation after 50, 60, 70 % of soil water losses) applied during the plant growth. Fresh and dry herb yield, leaf area/plant, number of leaves, number of flowers, number of internodes and essential oils contents were measured. The results showed that zeolit application had not a significant effect on dry herb yield and number of internodes but had a significant effect on all other measured traits. There were not a significant effect of water stress on leaf area/plant,number of leaves, number of flowers and number of internodes but it was significant on fresh and dry herb and essential oils contents. There was not an interaction between zeolit and water stress on fresh and dry herb yields, number of flowers and internodes but the interaction between zeolit and water stress was significant on leaf area/plant, number of leaves and essential oils contents. It concluded that medium level of zeolit (2gr/kg soil) with the lowest level of water stress (saturated irrigation after 50 % water losses) recommended for herb and essential oil production of moldavian balm.
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