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Concentration-Dependent Effects of Exogenous Salicylic Acid on Germination and Seedling Growth of Lallemantia royleana Landraces | ||
| Journal of Medicinal plants and By-products | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 17 تیر 1405 اصل مقاله (1.33 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22034/jmpb.2026.372694.2186 | ||
| نویسندگان | ||
| Seyed Mohammad Reza Seify1؛ Heshmat Omidi2؛ Ali Salehi Sardoei3؛ Dara Rezakhani Nejad4؛ Mehdi Molaei Moghbeli4؛ Bahman Fazeli-Nasab* 5 | ||
| 1Natural Resources Research Department, Markazi Province Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization, Arak, Iran | ||
| 2Department of Agronomy and Plant Breeding, Faculty of Agriculture, Shahed University, Tehran, Iran | ||
| 3Crop and Horticultural Science Research Department, South Kerman Agricultural and Natural Resources Research and Education Center, AREEO, Jiroft, Iran | ||
| 4Department of Horticulture, Faculty of Agriculture, University of Hormozgan, Hormozgan, Bandar Abbas, Iran | ||
| 5Department of Agronomy and Plant Breeding, Agriculture Institute, Research Institute of Zabol, Zabol, Iran | ||
| چکیده | ||
| Lallemantia royleana (Balango) is a valuable medicinal plant whose seed germination and early seedling establishment strongly influence final yield. This study evaluated the germination and early growth responses of three Balango landraces (Isfahan, Mashhad, and Shiraz) to different concentrations of salicylic acid (SA: 0, 0.3, 0.6, and 0.9 mM). A factorial experiment was conducted in a completely randomized design with three replications. Analysis of variance revealed significant effects (P ≤ 0.01) of landrace and SA concentration on all measured traits. Among the landraces, Isfahan showed superior performance, with the highest germination percentage (86.66%), number of normal seedlings (23.33), and radicle length (5.49 cm), along with the lowest number of non‑germinated seeds (1.89). The response to SA varied depending on genotype and concentration. While increasing SA concentration generally reduced seedling growth traits such as shoot length and seedling dry weight, a moderate SA level (0.6 mM) enhanced germination in the Isfahan landrace, resulting in the highest germination percentage (94.66%). This stimulatory effect at moderate SA levels may be related to the role of salicylic acid in regulating antioxidant activity and hormonal signaling during early germination. However, higher concentrations (0.9 mM) negatively affected both germination and early growth, indicating potential phytotoxic effects. Overall, the Isfahan landrace demonstrated greater tolerance to SA and superior germination performance, whereas excessive SA concentrations were detrimental to early seedling development. Therefore, selecting the Isfahan landrace and avoiding high SA concentrations during germination is recommended. | ||
| کلیدواژهها | ||
| Balango؛ Salicylic acid؛ Germination؛ Lallemantia royleana؛ Seedling growth | ||
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آمار تعداد مشاهده مقاله: 28 تعداد دریافت فایل اصل مقاله: 19 |
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