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vojodi Mehrabani L, Khani K, Azizi N, Valizadeh Kamran R. The effects of drought stress and foliar spray of nano selenium and quantum dot on the growth and some physiological traits of Rosmarinus officinalis L.. nbr 2024; 11 (3)
URL: http://nbr.khu.ac.ir/article-1-3696-en.html

The effects of drought stress and foliar spray of nano selenium and quantum dot on the growth and some physiological traits of Rosmarinus officinalis L.

Lamia Vojodi Mehrabani ^*

, Khadijeh Khani

, Neda Azizi

, Rana Valizadeh Kamran

Azarbaijan Shahid Madani University , vojodilamia@gmail.com

Abstract: (191 Views)

In order to investigate the effect of drought stress (field capacity, 50 and 30% of field capacity) and foliar spraying with selenium and carbon quantum dots nanoparticles (zero and 2 mg L^-1) on the growth and some physiological traits of rosemary; A factorial experiment was conducted in the form of completely randomized design in the research greenhouse of Azerbaijan Shahid Madani University during 2023. Irrigation at field capacity and 50% of field capacity with carbon quantum dot spray increased the aerial part dry weight, nitrogen, and soluble solids content in the plant. The highest malondialdehyde content was observed in the 30% field capacity in the condition without foliar spraying. The proline content was increased by 50 and 30% field capacity with the application of carbon quantum dot nanoparticles. Field capacity treatments, 50 and 30% of field capacity with carbon quantum dot foliar application increased the essential oil content. Rlative water content, carotenoid, chlorophyll b and phosphorus content increased in the field capacity and 50% field capacity treatment with both nanoparticles foliar application. Overall, the results showed that the use of carbon quantum dot nanoparticles had a positive effect on the growth and physiological traits of plants under drought stress

Keywords: Chlorophyll, Essential oil, Malondialdehyde, Proline

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