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Evaluation of Morphological and Phytochemical Properties of Peppermint Under the Effect of Nitroxin Biofertilizer and Seaweed
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Mozhgan Asadi   , Vahid Akbarpour * , Mohammad Ali Bahmanyar , Vida Chalavi |
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Abstract: (21 Views) |
The management of inputs in plant production, especially medicinal plants, is one of the key factors influencing optimal performance. Therefore, the use of compounds with minimal adverse effects on human health and the environment is recommended. A study was conducted to determine the effect of seaweed extract and nitroxin on yield, yield components, and phytochemical traits of peppermint. The experiment was arranged in a factorial format based on a completely randomized design with two factors: seaweed extract at four levels (0, 100, 200, and 300 kg ha⁻¹) and nitroxin at two levels (inoculated and non-inoculated), with four replications. The results showed that the highest plant height, number of secondary branches, number of nodes, internode length, leaf length and width, flavonoid content, and menthol content were obtained in the treatment of 300 kg ha⁻¹ seaweed extract with nitroxin inoculation. For all traits, except the number of secondary branches, flavonoid content, and menthol content, there were no significant differences between the treatment of 300 kg ha⁻¹ seaweed extract with and without nitroxin inoculation. The highest chlorophyll a, chlorophyll b, and phenolic compounds were recorded in the treatment of 200 kg ha⁻¹ seaweed extract with nitroxin inoculation. The highest carotenoid content was observed in the treatment of 100 kg ha⁻¹ seaweed extract with nitroxin inoculation. In general, the appropriate application of seaweed extract in combination with nitroxin was effective in improving both quantitative and qualitative traits of peppermint plants.
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| Keywords: Antioxidant, Biological fertilizer, Essential oil, Phenol, Seaweed |
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Type of Study: Research |
Subject:
Medicinal plants
Received: 2024/10/8 | Accepted: 2026/10/28 | Published: 2026/11/8
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