Effect of Foliar Application with Wood Vinegar, Melatonin and some Amino Acids on Growth and Yield of Garlic (Allium sativum) | ||
| Journal of Plant Production | ||
| Article 5, Volume 16, Issue 7, July 2025, Pages 413-419 PDF (447.28 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jpp.2025.401668.1485 | ||
| Author | ||
| Amira A. A. Mohammed* | ||
| Veg. Dept..; Hort. Res. Institute; Agric. Res. Center; Giza. Egypt. | ||
| Abstract | ||
| Maximizing garlic productivity in Egypt is essential due to its high nutritional and economic value. The use of eco-friendly natural stimulants may significantly enhance garlic growth, yield, and quality while promoting sustainable agricultural practices. Therefore, this study was conducted during the 2023/24 and 2024/25 growing seasons under a randomized complete block design (RCBD) to evaluate the effects of foliar application with five biostimulants (arginine, proline, melatonin, wood vinegar and brassinolide) along with potassium silicate and a control treatment. The results demonstrated that all applied treatments significantly improved garlic growth parameters, bulb yield, and quality traits compared to the control. Brassinolide (5.0 mg L-1) had the most pronounced effect, leading to significant increases in plant height, leaf area, fresh and dry biomass, bulb weight, diameter, and total yield. Wood vinegar (25 cm³ L-1) ranked second, particularly enhancing leaf number, bulb size, and vitamin C content. Potassium silicate (3.0 g L-1) contributed to stress tolerance and structural integrity, improving overall growth and yield. Meanwhile, melatonin, proline, and arginine showed moderate improvements, primarily in leaf area, dry weight, and bulb quality. These findings underscore the potential of biostimulants to enhance garlic productivity and quality in an environmentally friendly manner. Future research should focus on optimizing application rates and exploring synergistic effects to maximize their benefits under various environmental conditions and stress factors. | ||
| Keywords | ||
| Arginine; Proline; Melatonin; Wood-vinegar; Brassinolide | ||
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