Effect of methanol spraying on quantitative traits and osmatic adjustments in Moldavian (Dracocephlum moldavica L.) under low irrigation conditions

Document Type : Research Paper


1 Associated Professor, Faculty of Agriculture, University of Zabol, Iran

2 M.Sc. Student of Medicinal Plant, Faculty of Agriculture, University of Zabol, Iran

3 Professor, Faculty of Agriculture, University of Zabol, Iran


In order to evaluate effects of methanol spraying on quantitative traits and osmatic adjustments in Dracocephlum moldavica L. under low irrigation conditions, an experiment was conducted as split plots based on randomized complete block design with three replications at the research farm, Faculty of Agriculture, Zabol University, Iran in 2013. Treatments included three levels of water low stress include: 100 (control), 80 and 60 percentage of field capacity as main plots, and four levels including 0 (control), 15, 30 and 45 volumetric percentage of methanol spraying as sub plots. The results showed that the plant height, number of lateral branch, dry matter, oil percentage, chlorophyll, carotenoid, proline contents, potassium and sodium was significantly affected by drought stress. With increasing of drought stress, proline content and oil percentage increased, but plant height, number of lateral branch, dry matter, chlorophyll, carotenoid, potassium and sodium were decreased. Methanol foliar application on plant height, number of lateral branch, dry matter, oil percentage, chlorophyll, carotenoid, proline contents, potassium and sodium had a significant effect. The maximum amounts of plant height, number of lateral branch, dry matter, oil percentage oil, chlorophyll, carotenoid, proline contents, potassium and sodium obtained by 30 volumetric percentage of methanol spraying, and the dry matter was 59.73 percentages more than by 45 volumetric percentage of methanol spraying. Based on the results of methanol spraying 30 percentages and provide water at field capacity for production Moldavian is suitable.


Main Subjects

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