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International Journal of Horticultural Science

Vol 29 (2023)
Articles

Evaluation of vermicompost application and stress of dehydration on mullein medicinal plants

Published:
July 20, 2023
DOI Linkhttps://doi.org/10.31421/ijhs/29/2023/11424
Authors
R. N. Esfahani,
S. Khaghani,
F. Mortazaeinezhad,
A. Azizi,
M. Gomarian
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Keywords
medicinal plant vermicompost dryness photosynthesis
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Copyright (c) 2023 International Journal of Horticultural Science

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This work is licensed under a Creative Commons Attribution 4.0 International License.

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

How To Cite
Selected Style: APA
Esfahani, R. N., Khaghani, S., Mortazaeinezhad, F., Azizi, A., & Gomarian, M. (2023). Evaluation of vermicompost application and stress of dehydration on mullein medicinal plants. International Journal of Horticultural Science, 29(1), 69-77. https://doi.org/10.31421/ijhs/29/2023/11424
Abstract

The use of organic fertilizers is one of the suitable solutions in the organic production of medicinal plants due to its good effect in improving soil properties, reducing environmental effects, and better plant growth. To investigate the effect of vermicompost organic fertilizer application and water stress on some morphological and physiological traits of the Mullein medicinal plant, research was conducted at Isfahan Azad University in the form of split plots in the form of a randomized complete block design with 4 replications. The test factors included the application of vermicompost organic fertilizer at three levels of 0, 4, and 8 kg per square meter of soil and water stress at two levels of normal irrigation and irrigation at the time of 50% of the soil's agricultural capacity as the main treatment in research farm conditions. The results of the experiment showed that the application of vermicompost organic fertilizer and water stress improved the morphological and physiological characteristics of the Mullein medicinal plant compared to the control, i.e. no application of organic fertilizers. The results showed that the highest number of secondary branches, number of flowers of the secondary stem, diameter of flowering stem, the diameter of flower, and fresh weight of shoot in the Mullein medicinal plant were obtained by applying vermicompost organic fertilizer at the rate of 4 and 8 kg of soil. The application of vermicompost organic fertilizer at the rate of 8 kg in the soil increased flavonoids compared to the non-use of vermicompost treatment. However, to improve the vegetative growth and increase the reproductive efficiency of the Mullein plant and reduce production costs, the use of vermicompost organic fertilizer is recommended at the rate of 4 and 8 kg of soil, respectively.

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