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Influence of pre-sowing he-ne and semiconductor laser stimulation on sainfoin seeds germination four and eight months post-harvest

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Authors
Đokić, Dragoslav
Srećković, Milesa
Fidanovski, Zoran
Ilić, Jelena
Stanisavljević, Rade
Terzić, Dragan
Marković, Jordan
Barać, Saša
Article (Published version)
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Abstract
Sainfoin seeds were irradiated by four different lasers (He-Ne laser, three semiconductor lasers of wavelengths 670 nm, 890 nm and of wavelength range 630-680 nm). Each group of seed was irradiated only once, using different exposure times: 1-, 2-, 3- and 4- minutes. The same procedure was applied before autumn (four months post-harvest) and spring sowing (eight months post-harvest). Laser bio-stimulation showed that the optimal operation of the laser was at 890 nm using 3- minutes exposure time in both sowing periods. Slightly weaker, but also significant (p gt = 0.01) impact on improving germination was in case of laser of 890 nm using 2- and 4- minutes of exposure time, and 630-680 nm laser using 4- minutes exposure time in both sowing periods. In the spring sowing, only laser of 632.8 nm using 3- minutes exposure time and laser of 670 nm laser between 2- and 4- minutes exposure time had significant improvement of seed germination. In the autumn sowing, He-Ne lasers (632.8 nm) usin...g 4-minutes exposure time, semiconductor lasers of 670 nm laser using 3- minutes exposure time, and 630-680 nm laser using 3-minutes exposure time, also significantly (p gt = 0.01) increased seed germination compared to control.

Keywords:
post-harvest period / sainfoin / seeds / laser stimulation / germination
Source:
Journal of Animal and Plant Sciences, 2017, 27, 3, 894-900
Publisher:
  • Pakistan Agricultural Scientists Forum, Lahore
Projects:
  • Improvement of genetic potential and technologies in forage crops production in function of sustainable animal husbandry development (RS-31057)

ISSN: 1018-7081

WoS: 000406235300026

Scopus: 2-s2.0-85021360176
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URI
http://plantarum.izbis.bg.ac.rs/handle/123456789/482
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