The effect of Hoagland Nutrient Solution and Triacontanol on the Yield and Photosynthetic Pigments of basil (Ocimum basilicum L.)

Document Type : Research Paper

Authors

1 Associate Professor, Department of Horticultural Science and Engineering, Faculty of Agriculture, Tabriz University, Tabriz, Iran.

2 Graduated from Department of Horticultural Science and Engineering, Faculty of Agriculture, Tabriz University, Tabriz, Iran.

3 Department of Horticulture, Faculty of Agriculture, University of Tabriz

4 PhD Student in Production and Post-Harvest Physiology of Medicinal Plants, Department of Horticultural Science and Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran.

Abstract

Background & Objective: This research was carried out in order to investigate the effect of triacanthanol growth regulator concentration in two concentrations of Hoagland nutrient solution including Hoagland half and full Hoagland on growth traits and photosynthetic pigments of basil (Ocimum basilicum L.).
 
Materials & Methods: The experiment was carried out as a factorial experiment in a completely randomized design, with the first factor being nutrient solution concentration at two levels: half-strength Hoagland and full-strength Hoagland, and the second factor being triacontanol at three concentrations: 0, 5, and 10 mg.l-1, with three replications on basil plants during the agricultural year 2018-2019 in the research greenhouse of the Faculty of Agriculture at the University of Tabriz, focusing on growth traits and photosynthetic pigments.
 
Results: According to the results, the use of full-strength Hoagland nutrient solution led to an increase in growth traits. With an increase in triacontanol concentration to 10 mg/L, the number of lateral branches decreased in both nutrient solutions, which had a negative effect on the number of lateral branches. An increase in triacontanol concentration to 5 mg.l-1 compared to the control had the highest growth traits, whereas a concentration of 10 mg.l-1 triacontanol led to a decrease in the average growth traits under study. The total chlorophyll level in full-strength Hoagland nutrient solution showed a 10% increase compared to half-strength Hoagland solution.
 
Conclusion: Therefore, based on the experimental results, it can be claimed that the use of full-strength Hoagland nutrient solution leads to an increase in growth traits and photosynthetic pigments in basil plants, which can make this medicinal plant economically and medicinally justifiable.
 

Keywords

Main Subjects

References

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JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION
Volume 35, Issue 1
April 2025
Pages 225-235

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