EFFECT OF YTTERBIUM LASER RADIATION ON GERMINATION AND MOISTURE ABSORPTION OF SEED MATERIAL OF AGRICULTURAL CROPS

O. Burdysheva, E.S. Sholgin, K. A. Kostina, D. V. Bayandin, M. Remennikova
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Abstract

The use of science-intensive technologies contributes to a significant increase in the efficiency of agricultural production. The pre-sowing treatment of seeds with electromagnetic radiation belonging to different parts of the spectrum is one of the promising areas of research. In accordance with the data presented in scientific publications, infrared and ultraviolet radiation contribute to an increase in seed germination, intensity of plant development, yield and resistance to adverse effects of various nature. It also has a beneficial effect on the biochemical composition of fruits and their storage stability. There are some contradictions between the results of various studies, this is why the problem deserves further research. This work examines the effect of infrared radiation of a ytterbium laser on the morphological signs of the germination of seed material of agricultural crops. Three optical schemes of the experi-mental setup are suggested and calculated. Two of them have been implemented and used to achieve the objectives of the study. The influence of laser radiation with a wavelength of 1080 nanometers on the germination of seeds of eight plant species and the moisture absorption of six species was studied. Different treatment duration and different radiation power were considered. The data obtained do not allow to draw unambiguous conclusions about the effect of infrared laser treatment on seeds germination. An increase in the irradiation duration tends to worsen the germina- tion result. Generally, such treatment positively affects moisture absorption, however, very weakly. An increase in the duration and power of irradiation leads to a decrease in moisture absorption.
镱激光辐射对农作物种子萌发及吸湿性的影响
科学密集型技术的使用有助于农业生产效率的显著提高。利用不同谱段的电磁辐射对种子进行播前处理是一个很有前景的研究领域。根据科学出版物提供的数据,红外线和紫外线辐射有助于提高种子发芽、植物发育强度、产量和对各种性质不利影响的抵抗力。它对果实的生化组成和贮藏稳定性也有有益的影响。各种研究结果之间存在一些矛盾,这就是为什么这个问题值得进一步研究的原因。本文研究了镱激光红外辐射对农作物种子萌发形态特征的影响。提出并计算了实验装置的三种光学方案。其中两个已经实施并用于实现研究的目标。研究了波长为1080纳米的激光辐射对8种植物种子萌发和6种植物种子吸湿的影响。考虑不同的治疗时间和不同的辐射功率。所获得的数据不允许对红外激光处理对种子发芽的影响得出明确的结论。随着辐照时间的延长,萌发效果趋于恶化。一般来说,这种处理对吸湿性有积极影响,但影响非常微弱。辐照时间和辐照功率的增加会导致吸湿量的减少。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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