Studying Drought Tolerance in Thymus kotschyanus Accessions for Cultivation in Dryland Farming and Low Efficient Grassland

Authors

  • Abbas Pourmeidani Research Division of Natural Resources, Qom Agricultural and Natural Resources Research and Education Center, (AREEO), Qom, Iran.
  • Ali Ashraf Jafari Associate Professor Research Institutes of Forests and Rangelands, AREEO, Tehran, Iran
  • Mahdi Mirza Research institute of Forests and Rangelands, AREEO, Tehran, Iran.
Abstract:

This study was carried out to evaluate drought stress tolerance in Thymus kotschyanus accessions using a factorial experiment based on a Completely Randomized Design (CRD) with 5 replications during 2013-2014 in Qom, Iran. The first factor was the accession with 17 levels and the second factor was drought stress with three levels of irrigation including 80% (control), 60% and 40% Field Capacity (FC). Data were collected for shoot length, root length, root to shoot length ratio (R/S), shoot fresh yield, oil percent, oil production and Relative Water Content (RWC). Result of analysis of variance showed significant differences between accessions, irrigation and accessions by irrigation interaction for all of traits (p

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Journal title

volume 7  issue 4

pages  331- 340

publication date 2017-10-01

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