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Ahmadi, Ebrahim, Sahabi, Hossein, Fallahi, Hamid-Reza, Feizi, Hassan. (1404). Nutrients can be Effectively Absorbed by Saffron (Crocus sativus L.) Leaves and Affect Positively the Vegetative Growth and Flowering. سامانه مدیریت نشریات علمی, 14(4), 345-356. doi: 10.22034/jmpb.2025.366770.1744
Ebrahim Ahmadi; Hossein Sahabi; Hamid-Reza Fallahi; Hassan Feizi. "Nutrients can be Effectively Absorbed by Saffron (Crocus sativus L.) Leaves and Affect Positively the Vegetative Growth and Flowering". سامانه مدیریت نشریات علمی, 14, 4, 1404, 345-356. doi: 10.22034/jmpb.2025.366770.1744
Ahmadi, Ebrahim, Sahabi, Hossein, Fallahi, Hamid-Reza, Feizi, Hassan. (1404). 'Nutrients can be Effectively Absorbed by Saffron (Crocus sativus L.) Leaves and Affect Positively the Vegetative Growth and Flowering', سامانه مدیریت نشریات علمی, 14(4), pp. 345-356. doi: 10.22034/jmpb.2025.366770.1744
Ahmadi, Ebrahim, Sahabi, Hossein, Fallahi, Hamid-Reza, Feizi, Hassan. Nutrients can be Effectively Absorbed by Saffron (Crocus sativus L.) Leaves and Affect Positively the Vegetative Growth and Flowering. سامانه مدیریت نشریات علمی, 1404; 14(4): 345-356. doi: 10.22034/jmpb.2025.366770.1744

Nutrients can be Effectively Absorbed by Saffron (Crocus sativus L.) Leaves and Affect Positively the Vegetative Growth and Flowering

Journal of Medicinal plants and By-products
مقاله 6، دوره 14، شماره 4، مهر و آبان 2025، صفحه 345-356    اصل مقاله (765.87 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22034/jmpb.2025.366770.1744
نویسندگان
Ebrahim Ahmadi1؛ Hossein Sahabi* 1، 2؛ Hamid-Reza Fallahi3، 4؛ Hassan Feizi1، 2
1Faculty of Agriculture, University of Torbat Heydarieh, Torbat Heydarieh, Iran
2Saffron Institute, University of Torbat Heydarieh, Torbat Heydarieh, Iran
3Department of Plant Production and Genetics, Faculty of Agriculture, University of Birjand, Birjand, Iran
4Plant and Environmental Stresses Research Group, University of Birjand, Birjand, Iran
چکیده
Foliar application of nutrients (FAN) during the end of the saffron growing season, when the root absorption capacity is slightly reduced, can probably improve plant growth and yield. This study investigates the impact of various foliar nutrition treatments, including zinc, boron, copper, potassium phosphate, amino acids, and pure seaweed extract, alongside a control treatment of tap water (pH = 7 and EC = 0.7 dS m⁻¹), on the nutrient absorption capacity of saffron leaves, as well as its vegetative and reproductive growth. All FAN treatments, especially amino acids, significantly increased leaf length and leaf width compared to the control treatment. Amino acid consumption delayed leaf senescence. Foliar application of all nutrients reduced the number of small replacement (daughter) corms (RC) in the weight group of 1-8 g (339.9 vs. 486 corms per m2, for FAN and control, respectively) while increasing their number in the group weight of 8-16 (205.5 vs. 146.0 corms per m2) and more than 16 g (17.2 vs. 6.6 corms per m2). The potassium phosphate treatment demonstrated the highest yield of RC, surpassing the non-foliar nutrient application (control) by 15.5%. FAN treatments increased the mean weight and diameter of RC by 16.2% and 23.8%, respectively, compared to the control treatment. Amino acid spraying increased leaf (5.55 vs. 2.42%) and corm nitrogen content (2.25 vs. 1.4%) compared to the control treatment. Potassium phosphate has a significant effect on increasing the content of phosphorus and potassium in leaves and corms. The application of seaweed extract and boron increased the leaf boron content from 27.8 ppm in the control treatment to 44 and 76.5 ppm, respectively, and the corm boron content from 18 to 40.9 and 69.2 ppm, respectively. Foliar application of copper and zinc had a significant effect on increasing the concentration of these elements in saffron leaves and corms. All FAN treatments significantly increased the number of flowers, flower yield (120.0 and 61.9 g m-2, for FAN and control, respectively), mean flower weight, and flower length compared to the control. Stigma yield with the application of amino acids, zinc, copper, potassium phosphate, boron, and seaweed extract was 158.5, 141.4, 47.1, 180.0, 78.5, and 165.7% more than the control treatment, respectively. The quality of the saffron stigma was not significantly affected by FAN treatments. In general, FAN, with the development of leaves as photosynthetic organs of the plant and increasing the content of nutrients in saffron leaves and corms, caused a significant increase in its flowering.
کلیدواژه‌ها
Amino acid؛ Boron؛ Corm؛ Micronutrients؛ Stigma؛ Flowering؛ Zinc
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