Improvement of growth and biochemical constituents of Rosmarinus officinalis by fermented Spirulina maxima biofertilizer.

Delayed growth period and nature of woody stems are challenges for the urgent economic needs of rosemary plant culturing in the winter season. Different concentrations of biofertilizer initiated from Spirulina maxima, marine Lactobacillus plantarum, molasses and industrial organic waste (IOW) were subjected to freshly cut cuttings of the Rosmarinus officinalis L. (rosemary) plant to study the impact of this biofertilizer on the growth performance of the plant. The present work explored the potential of this biofertilizer in concentrations of 0.5%-1% and achieved a significant impact on the growth parameters and biochemical constituents of R. officinalis, a 27-day-old plant. The development of adventitious roots was earlier within one week, particularly at 0.5% and 1%. It can be concluded that the application of this biofertilizer at the lower concentrations enhanced the production of bioactive substances such as phytohormones (auxin, cytokinin, and gibberellins), carbohydrates, and vitamins; moreover, through controlling a range of physiological and biochemical processes, it can promote the intake of nutrients. Thus, this biofertilizer (Spirulina maxima, marine Lactobacillus plantarum, molasses and IOW) at a concentration of 1% is the recommended dose for application to agriculture sustainability. Copyright © 2024 Elsevier Masson SAS. All rights reserved.

Citation

Heba S El-Sayed, Atiat Hassan, Khouloud M Barakat, Hasnaa E-B Ghonam. Improvement of growth and biochemical constituents of Rosmarinus officinalis by fermented Spirulina maxima biofertilizer. Plant physiology and biochemistry : PPB. 2024 Mar;208:108452

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PMID: 38442624

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