مجله علوم و صنایع غذایی ایران

مجله علوم و صنایع غذایی ایران

Effects of Foliar Application of Boron and Sorbitol on Growth, Yield, and the Accumulation of Sugars and β-Carotene in Carrot (Daucus carota L.)

نوع مقاله : مقاله پژوهشی

نویسندگان
Salwa Abbas Miteb
Khalid Abed Mutar
Horticulture and Landscape Department, College of Agriculture, University of Kerbala, Kerbala, Iraq.
10.48311/fsct.2026.119059.83040
چکیده
The experiment was conducted in a field belonging to Ibn Al-Baytar Vocational Preparatory School, located in Kerbala/Al-Husayniyah District, during the 2024-2025 growing season to study the effect of foliar spraying with boron and sorbitol on improving some growth, yield, and quality indicators of carrot plants (Daucus carota L.) cv. Nantes. The experiment was carried out according to a randomized complete block design (RCBD) with a factorial arrangement and three replications. The first factor was boron spraying at three concentrations (0, 50, and 100 mg L⁻¹). The second factor was sorbitol spraying at four concentrations (0, 20, 30, and 40 g L⁻¹). The results showed significant differences among boron spray concentrations. Treatment B₂ (100 mg L⁻¹) was superior in plant height (38.40 cm), leaf area (26.51 dm²), total chlorophyll concentration (3.36 mg g⁻¹ FW), root length (18.09 cm), total yield (30.35 t ha⁻¹), beta-carotene content (2.67 mg g⁻¹ FW), and root sugar content (1.93 mg g⁻¹ FW). In contrast, treatment B₁ (50 mg L⁻¹) was superior in root diameter (30.64 mm). The results also showed significant differences among sorbitol spray concentrations, with treatment S₃ (40 g L⁻¹) being superior in plant height (39.36 cm), leaf area (23.80 dm²), chlorophyll concentration (3.43 mg g⁻¹ FW), root length (18.17 cm), root diameter (33.22 mm), total yield (31.30 t ha⁻¹), beta-carotene content (2.76 mg g⁻¹ FW), and root sugar content (2.07 mg g⁻¹ FW). Regarding the interaction between factors, treatment B₂S₃ was superior, confirming the effectiveness
کلیدواژه‌ها
Carrot
foliar nutrition
boron
sorbitol
موضوعات

عنوان مقاله English

Effects of Foliar Application of Boron and Sorbitol on Growth, Yield, and the Accumulation of Sugars and β-Carotene in Carrot (Daucus carota L.)

نویسندگان English

Salwa Abbas Miteb
Khalid Abed Mutar
Horticulture and Landscape Department, College of Agriculture, University of Kerbala, Kerbala, Iraq.
چکیده English

The experiment was conducted in a field belonging to Ibn Al-Baytar Vocational Preparatory School, located in Kerbala/Al-Husayniyah District, during the 2024-2025 growing season to study the effect of foliar spraying with boron and sorbitol on improving some growth, yield, and quality indicators of carrot plants (Daucus carota L.) cv. Nantes. The experiment was carried out according to a randomized complete block design (RCBD) with a factorial arrangement and three replications. The first factor was boron spraying at three concentrations (0, 50, and 100 mg L⁻¹). The second factor was sorbitol spraying at four concentrations (0, 20, 30, and 40 g L⁻¹). The results showed significant differences among boron spray concentrations. Treatment B₂ (100 mg L⁻¹) was superior in plant height (38.40 cm), leaf area (26.51 dm²), total chlorophyll concentration (3.36 mg g⁻¹ FW), root length (18.09 cm), total yield (30.35 t ha⁻¹), beta-carotene content (2.67 mg g⁻¹ FW), and root sugar content (1.93 mg g⁻¹ FW). In contrast, treatment B₁ (50 mg L⁻¹) was superior in root diameter (30.64 mm). The results also showed significant differences among sorbitol spray concentrations, with treatment S₃ (40 g L⁻¹) being superior in plant height (39.36 cm), leaf area (23.80 dm²), chlorophyll concentration (3.43 mg g⁻¹ FW), root length (18.17 cm), root diameter (33.22 mm), total yield (31.30 t ha⁻¹), beta-carotene content (2.76 mg g⁻¹ FW), and root sugar content (2.07 mg g⁻¹ FW). Regarding the interaction between factors, treatment B₂S₃ was superior, confirming the effectiveness

کلیدواژه‌ها English

Carrot
foliar nutrition
boron
sorbitol
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