The effect of electromagnetic field on the germination and growth of sesame seedlings (Sesamum indicum L.)

Subject Areas :

ِDavar Molazem ¹

1 - Member of the Faculty of Islamic Azad University, Astara branch

Received: 2024-08-24 Accepted : 2024-11-12 Published : 2024-11-24

Keywords: magnetopriming, seedling vigor index, germination rate, sesame,

Abstract :

Seed priming with electromagnetic waves is a biotechnological tool and a simple, practical, effective, environmentally friendly and cost-effective approach to improve germination and plant growth characteristics. In order to investigate the germination behavior of sesame plants under electromagnetic fields at different times, an experiment in 2024 as a factorial experiment base on completely randomized design with the electromagnetic field factor at 7 levels and time at 5 levels and in three replications was conducted at the Islamic Azad University, Astara branch. Sesame seeds were treated in a plastic bag under magnetic fields with intensity (control, 25, 50, 75, 100, 125 and 150 mT) and times (10, 30, 60, 90 and 120 minutes). The results of the analysis of variance table showed that the effect of magnetic field and time and their interaction were significant for most traits. The electromagnetic field with the intensity of 50 mT for 60 minutes led to an increase in the germination rate compared to the control. The lowest germination percentage and rate was obtained at 150 mT. The maximum radicle length, seedling length and seedling length vigor index were in the treatment of 75 mT for 90 minutes and the highest root dry weight, seedling dry weight and seedling weight vigor index were in the control treatment.

 

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