Low power continuous wave-laser seed irradiation effect on Moringa oleifera germination, seedling growth and biochemical attributes

Journal of Photochemistry and Photobiology. B, Biology
UrvaMazhar Abbas

Abstract

Recently, laser application in agriculture has gained much attention since plant characteristics were improved significantly in response of pre-sowing seed treatment. Pre-sowing laser seed treatment effects on germination, seedling growth and mineral profile were studied in Moringa olifera. M. olifera healthy seeds were exposed to 25, 50, 75mJ low power continuous wave laser light and grown under greenhouse conditions. The seedling growth and biochemical attributes were evaluated from 10-day-old seedlings. The germination parameters (percentage, mean germination time), vigor index, seedling growth (root length, seedling length, shoot fresh weight, root fresh weight, shoot dry weight, root dry weight) enhanced considerably. The laser energy levels used for seed irradiation showed variable effects on germination, seedling growth and mineral profile. The mineral contents were recorded to be higher in seedling raised from laser treated seeds, which were higher in roots versus shoots and leaves. The effect of laser treatment on seedling fat, nitrogen and protein content was insignificant and at higher energy level both nitrogen and protein contents decreased versus control. Results revealed that M. olifera germination, seedling grow...Continue Reading

Citations

Mar 9, 2018·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Ramalingam Radhakrishnan
Feb 9, 2021·Journal of Photochemistry and Photobiology. B, Biology·Sachin Ashok ThoratAnnamalai Muthusamy
Dec 4, 2020·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Khalil M Saad-Allah, Gehad A Ragab

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