Changes in the herb yield, essential oil and some important growth parameters of holly basil (Ocimum sanctum L.) in response to different plant densities and nitrogen levels

Kazerani, N.; Saharkhiz, M.J.; Javanmardi, J.; Heidari, B.; Rezaei, M.; Bayat, P.

doi:10.22092/ijmapr.2014.6207

Document Type : Research Paper

Authors

¹ Research Center for Agriculture and Natural Resources, Borazjan, Bushehr, Iran

² Department of Horticultural Sciences, Faculty of Agriculture, Shiraz University, Shiraz, Iran

³ Department of Agronomy, Faculty of Agriculture, Shiraz University, Shiraz, Iran

⁴ PhD. Student, Department of Soil Sciences, Faculty of Agriculture, Shiraz University, Shiraz, Iran

https://doi.org/10.22092/ijmapr.2014.6207

Abstract

Holy basil (Ocimium sanctum L.) is a medicinal and aromatic plant belonging to Lamiaceae family. This study was conducted to determine the most suitable plant density and nitrogen fertilizer rate to improve the qualitative and quantitative traits of Holy basil. The experiment was a randomized complete block design in a factorial arrangement with two factors and four replications. The factors were plant density (D) at 26.6, 19, 14.8, and 12.1 plant per m², and nitrogen (N) at three levels of 0, 50 and 100 kg/ha. At full flowering stage, plant height, shoot number and length, inflorescence length, fresh and dry weights of shoots and roots, and essential oil content and yield were measured. According to the results, the plant density and nitrogen treatments had significant effects (P≤0.05) on fresh and dry matter weights, secondary shoot length, essential oil content and yield, and the number of inflorescences. However, the studied treatments did not affect the number of branches, plant height, and root and shoot, root dry matter, chlorophyll content and leaf area. The interaction effects of row spacing and nitrogen levels on all traits with the exception of chlorophyll content and leaf area were significant (P≤0.05). The highest amounts of fresh and dry matter weights, shoot length, number of inflorescences, essential oil content and yield were obtained in 14.8 plant per m² with application of 50 kg N/ha. Essential oil contents (w/w%) varied between 0.6-1.1%.

Keywords

References

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Iranian Journal of Medicinal and Aromatic Plants Research

Changes in the herb yield, essential oil and some important growth parameters of holly basil (Ocimum sanctum L.) in response to different plant densities and nitrogen levels

References

References

Volume 30, Issue 2 - Serial Number 64
June 2014
Pages 299-308

Changes in the herb yield, essential oil and some important growth parameters of holly basil (Ocimum sanctum L.) in response to different plant densities and nitrogen levels

References

References

Volume 30, Issue 2 - Serial Number 64June 2014Pages 299-308

Volume 30, Issue 2 - Serial Number 64
June 2014
Pages 299-308