Silicon Stimulates Physiochemical Properties of Coriander (Coriandrum sativum L.) to Improve Growth and Yield under Salt Stress

Amiripour, Abbas; Ghanbari, Marzieh; Soori, Mohammad Kazem; Mohammadi Torkasvand, Ali

doi:10.22092/jmpb.2021.353466.1324

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	Silicon Stimulates Physiochemical Properties of Coriander (Coriandrum sativum L.) to Improve Growth and Yield under Salt Stress
Journal of Medicinal plants and By-product
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 14 اسفند 1399 اصل مقاله (1.56 MB)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22092/jmpb.2021.353466.1324
نویسندگان
Abbas Amiripour¹؛ Marzieh Ghanbari ¹؛ Mohammad Kazem Soori²؛ Ali Mohammadi Torkasvand¹
¹Department of Horticulture Science and Agronomy, Science and Research branch of Islamic Azad University, Tehran, Iran
²Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
چکیده
Silicon (Si) has a principal role in mitigating the adverse effects of salt stress on plant growth; however, its effects on physiochemical properties of medicinal plants under salinity is still unknown. This study investigated the effect of Si and salinity on growth, chlorophyll and water content, the antioxidant capacity of coriander (Coriandrum sativum L.) leaves as factorial in a randomized complete block design (RCBD). Foliar application of 50, 100, and 200 mg L^-1 Si and 50, 100, and 200 mM NaCl were applied on 4-leaf plants. The results revealed reduced growth by representing lower shoot and root dry weight through progressing the salinity. 100 and 200 mg L^-1 Si represented a greater role in alleviating the salinity stress on growth properties. Salinity significantly reduced chlorophyll (Chl) and relative water content (RWC), but they were improved by Si spraying. Total phenol content (TPC) and total flavonoid content (TFC) significantly increased up to 100 mM NaCl and then decreased at 200 mM NaCl. Salinity led to increases in catalase (CAT) and superoxide dismutase (SOD) activity, but higher Si concentration reduced them. 100 mg L^-1 Si and 100 mM NaCl was the best treatment for obtaining the optimum essential oil (EO) percentage and yield. Finally, 100 mg L^-1 Si can be suggested to promote the plant growth and yield by changing physiochemical characteristics under medium or severe salinity.
کلیدواژه‌ها
Essential oil yield؛ foliar-applied silicon؛ phenolic content؛ salinity

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Silicon Stimulates Physiochemical Properties of Coriander (Coriandrum sativum L.) to Improve Growth and Yield under Salt Stress