Torabi Ali
In Order to study the effect of Planting Date and Figures on physiological indexes and essential oil of cumin (Cuminum cyminum L.), an experiment was conducted at research field of Faculty of Agriculture, Islamic Azad University, Saveh, Iran in 2011-2012. The experiment was conducted in split plot based on randomized blocks in three practices. Planting dates as main plot treatments consisted of three levels (11 Nov,2 3 Dec and 19 Feb) and three digits (Qaen, Khaf and TR171). Elements of function included bush height, number of umbel per plant, stem diameter, number of seed umbel, number of umbelets in bush and seed function in addition to qualities pertinent to essential include percentage of seed essential oil, percentage of α – Terpineole in seed and Beta pinene percent of seed was measured. we compare the results of the interaction effects of planting date, the second highest yield was obtained and figures Qaen and TR171. The results showed that the highest percentage essential oil obtained from the second planting date. The essential elements of the highest in the second planting date and the lowest was in the third planting date.
