Volume 10, Issue 44 (vol. 10, no. 44 2021)                   j.plant proc. func. 2021, 10(44): 133-146 | Back to browse issues page

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Jafari S A, Khorshidi J, Morshedloo M R, Houshidari F. Assessment of water deficit tolerance in some of Iranian native Satureja species using stress tolerance indices. j.plant proc. func.. 2021; 10 (44) :133-146
URL: http://jispp.iut.ac.ir/article-1-1406-en.html
1- Horticultural Science and Engineering, University of Kurdistan
2- Horticultural Science and Engineering, University of Kurdistan , j.khorshidi@uok.ac.ir
3- University of Maragheh
4- Agricultural and Natural Resources Research and Education Center of Kurdistan
Abstract:   (481 Views)
 Identification of water deficit tolerance plants with a high economic efficiency can led to increase in production under rainfed conditions. Satureja is one of the most widely used medicinal plants belonged to Lamiaceae family which has high species diversity. In this research, dry matter yield, essential oil content and water deficit tolerance in some of Iranian native Satureja species including Satureja bachtiarica Bunge, Satureja sahendica Bornm., Satureja spicigera (K.Koch) Boiss., Satureja macrantha C.A. Mey. and Satureja mutica Fisch. & C.A.Mey. were evaluated under irrigated and rainfed conditions using stress tolerance indices as split plots based on RCB design in 2018, at Kurdistan Agricultural and Natural Resources Research and Education Center. Plants were harvested in flowering stage and essential oil was extracted using Clevenger apparatus for three hours. Results indicated that irrigation treatment had significant effect only on dry matter yield. Interaction effect of species and irrigation treatment was significant only on essential oil content, but both mentioned traits were affected by species type. The highest (2.12 %) and the lowest (0.48 %) essential oil content were belonged to S. mutica and S. macrantha species under rainfed condition, respectively. The highest (482.72 g) and the lowest (44.4 g) dry matter yield per plant were obtained from S. spicigera and S. sahendica species, respectively. Based on factor analysis and correlation results, MP, GMP, STI and HAM indices were considered the best indices for identification of tolerant species to rainfed condition and based on mentioned indices, S. spicigera was identified the most tolerable and suitable species for cultivating under rainfed condition of Kurdistan province.
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Type of Study: Research | Subject: Drougth Stress
Received: 2020/05/14 | Accepted: 2021/02/16 | Published: 2021/11/5

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