Effect of selenium, silicon and zeolite on vegetative traits of fennel (Foeniculum vulgare Miller.) under soil salinity conditions in Khosrowshahr region

Articles in Press

Document Type : Research Paper

Authors

1 university of Tabriz

2 MSc of Crop ecology, Department of Plant Ecophysiology, Faculty of Agriculture, University of Tabriz, Iran.

3 Assistant Professor, Azarbaijan Agricultural and Natural Resources Research and Education Center, AREEO, Department of Agricultural Research, Khosroshahr, Iran.

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.‎

5 Phd Student, Plant Physiology, Department of Plant Ecophysyoligy, Faculty of Agriculture, University of Tabriz, Iran.

Abstract

Abstract
Background and Objective: The purpose of this study is to investigate the effect of selenium, silicon and zeolite on the growth parameters of fennel plant in the saline soil conditions of Khosrowshahr region.
Materials and Methods: An experiment was carried out in 2019 as split-split plot with RCB design with three replicates and 12 treatments at the Khosrowshahr research center. The treatments used include foliar application of selenium (0 and 4 g/l), foliar application of silicon (0 and 4 g/l) and application of zeolite as consumed soil. (0, 5 and 10 t/ha). Silicon treatment was assigned to the main plots, selenium to sub-plots and zeolite to sub-sub plots. Foliar application was performed at two stages of before and after flowering. Essential oil of seed was extracted by water distillation (Clevenger design).
Results: Among the studied traits, the most sensitive trait to the used treatments was leaf dry weight. The use of selenium and zeolite increased the dry weight of leaves by 50.4%. In general, the investigated treatments had a positive effect on the growth and yield of the medicinal plant of fennel.
Conclusion: According to the results of the experiment, it was determined that selenium and silicon foliar application with a concentration of 4 grams per liter and the use of 10 tons per hectare of zeolite can increase the growth of fennel plant significantly.

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JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION

Articles in Press, Accepted Manuscript
Available Online from 22 October 2025

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