Effect of water deficit on yield and different organs of Dracocephalum moldavica L. under greenhouse condition
2009
Safikhani, F., Scientific Member of Research Institute of Foresty and Rangelands | Heydari Sharifabad, H., Scientific Member of Research Institute of Foresty and Rangelands | Sharifi Ashoorabadi, E., Scientific Member of Research Institute of Foresty and Rangelands | Syadat, S. A., Scientific Member of Shahid Chamran University | Seyednejad, S. M., Scientific Member of Shahid Chamran University | Abbasnejad, B., M.Sc. Student Research Institute of Foresty and Rangelands
Effect of water deficioncy on yield and some morphological Dracocephalum moldavica L. characteristics, this research was analysed during 2004-2005 at a greenhouse in Research Institute of Forestry and Rangelands. Three Dracocephalum moldavica L. populations collected from Tehran, Isfehan and Fars provinces were evaluated under three levels of moisture contents including 100, 60 and 40% FC using a split plot with randomize complete block design with 4 replications. Based on the results, effect of water deficit on yield and various plant characteristics was significant in both years. Mean comprison of moisture treatments in first year showed that the highest stem diameter (0.9383 mm) related to 40% FC , highest flower shoot (3859 kg/ha) related to 60%FC, highest biological yield (4536kg/ha), stem yield (2322kg/ha), leaf yield (961.6 kg/ha), seed yield (970 kg/ha), plant high (52.25 cm), leaf width (3.042 cm), lateral stem (19.25 n/p), Highest internode (2.828 cm) and root yield (311.1g/ m2) related to 100% FC treatments. Comparison of mean showed in second year mean showed that the treatment of 40%FC had highest root diameter (0.9642 mm), 100% FC, had highest leaf length (4.4117 cm), width leaf (3.092 cm), plan high (42.33 cm), lateral stem (17.83 n/p), highest internode (3.298 cm), leaf surface (1655 cm2), flower shoot (4239 kg/ha), biological yield (3483 kg/ha), stem yield (1701), leaf yield (711.4 kg/ha), and thousand grain weight (1.918 g ) had significant differences with other treatments. It could be included from this investigation that Dracocephalum moldavica L. is semiresistant plant to water deficit.
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