نهمین کنفرانس ملی و اولین کنفرانس بین المللی فیزیولوژی گیاهی

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کد مقاله 1170

عنوان Growth and Physiological Responses of Autumn Sown Sugar Beet Cultivars under Saline Soil Conditions

نویسندگان Marzieh Hassani - MahmoudReza Tadayon - Juan Carlos Contreras-Esquivel

چکیده Soil salinity is one of the most important factors limiting the yield of agricultural crops worldwide, particularly in arid and semi‑arid regions. Selecting salt‑tolerant sugar beet cultivars is among the most common strategies employed by breeders. Accordingly, to evaluate the tolerance of five foreign sugar beet cultivars to soil salinity based on key morpho‑physiological traits under field conditions, an experiment was conducted during the 2024–2025 growing season on the cultivars Amaldi, Granate, Antek, Shanon, and Akazia. The study was arranged in a randomized complete block design with six replications in the southwest of Fars Province under saline soil conditions (7 dS/m). Analysis of variance showed that all measured traits differed significantly among cultivars at the 1% probability level. Mean comparison indicated that plant height in Granate and Antek (70.45 and 71 cm, respectively), total chlorophyll (6.30 mg g⁻¹ fresh weight), carotenoids (1.53 mg g⁻¹ fresh weight), fresh plant weight (1696.29 g), Dry plant weight (184.10 g), root length (39.26 cm), single‑root weight (1058.11 g), root yield (116393 ton/ha) and root sugar content (16.38 %) were highest in Antek, whereas Amaldi exhibited the lowest values for most morpho‑physiological traits. Based on the results, Antek was identified as the superior and most salt‑tolerant cultivar for autumn cultivation in saline soil regions.

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