INFLUENCE OF PHOSPHORUS FERTILIZER AND SPIRULINA EXTRACT ON GROWTH, YIELD AND ACTIVE INGREDIENTS OF TRIGONELLA FOENUM-GRAECUM PLANT | ||
| Zagazig Journal of Agricultural Research | ||
| Volume 52, Issue 4, July and August 2025, Pages 713-723 PDF (980.75 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/zjar.2025.451781 | ||
| Author | ||
| Dina A. S. Ahmed | ||
| Plant Production Department, Fac. Environ. Agric. Sci., Arish Univ., El-Arish, Egypt | ||
| Abstract | ||
| A field experiment was established at the Experimental Farm, Fac. of Environ. Agric. Sci., Arish Univ. during the two seasons of 2021/2022 and 2022/2023 to assess the influence of various phosphorus levels (0.0, 30 and 45 kg P2O5/feddan), spirulina extract rates (0.0, 1.5, 3.0 and 4.5 ml/l) as well as their combinations on the productivity of fenugreek plants. The experiment layout was a split-plot design in three replicates. The obtained results were referred to that fertilized fenugreek plants with 45 kg P2O5 per feddan gave the tallest plants, more branches per plant and heaviest herb weight compared to the other levels under study. Furthermore, the highest seed yield per plant, seed yield per feddan, total chlorophyll content, trigonelline content, mucilage percentage and total protein content were achieved with high levels of phosphorus compared to control. In general, increasing spirulina extract rates gradually increased growth traits and yield components. It could be recommended with utilizing phosphorus fertilizer at 45 kg P2O5/feddan combined with 4.5 ml/l of spirulina extract to obtain the highest values of seed yield and active ingredients of Trigonella foenum-graecum plants. | ||
| Keywords | ||
| Fenugreek; phosphorus; spirulina; growth; yield; chlorophyll; trigonelline | ||
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