The Use of Coherent Laser Stimulation of Seeds and a Fungal Inoculum to Increase the Productivity and Health of Soybean Plants

Abstract

The laser stimulation of seeds is regarded as a modern method of seed enhancement. Our study evaluated the productivity and health of soybean plants resulting from the coherent irradiation of seeds and irradiation of an arbuscular mycorrhizal fungi (AMF) inoculum. The two-factor pot experiment took into account (1) the type of irradiated biological material (seeds, AMF inoculum, and seeds and inoculum) and (2) the means of irradiation (red laser—LR, blue laser—LB, red and blue laser—LR + LB, and control). Seed weight per plant, pod number per plant, root weight, the Fv/Fm fluorescence parameters, and the health status of the aboveground and underground parts of the plants were assessed. Stimulation with a laser light was shown to have a positive effect on the productivity and health of soybean plants. Significantly better effects can be obtained by stimulating the seeds alone. The stimulation of seeds treated with AMF inoculum slightly reduced the productivity of the plants. However, with regards to the conditions of plants, the treatment of seeds with AMF inoculum and laser irradiation was shown to reduce the incidence of Septoria brown spots.

Complementary Photostimulation of Seeds and Plants as an Effective Tool for Increasing Crop Productivity and Quality in Light of New Challenges Facing Agriculture in the 21st Century—A Case Study

“…Yan et al [9] suggested that in the near future interdisciplinary research on bacterial communities associated with AMF (arbuscular mycorrhizal fungi) should be adopted as an integrated tool for identifying the best combinations of bacterial communities capable of increasing the efficiency of nutrient utilization and the resistance of crop plants and of enhancing nutraceutical compounds among species of crop plants. Dłu żniewska et al [10] presented interdisciplinary results of studies, which combined two different methods of biostimulation, i.e., biological stimulation through the application of a mycorrhizal inoculum and physical stimulation through the application of laser light to seeds. This method has unlimited potential due to the positive synergistic effect obtained when it is used in combination with other methods of seed biostimulation, such as biological methods [10,11].…”

“…Dłu żniewska et al [10] presented interdisciplinary results of studies, which combined two different methods of biostimulation, i.e., biological stimulation through the application of a mycorrhizal inoculum and physical stimulation through the application of laser light to seeds. This method has unlimited potential due to the positive synergistic effect obtained when it is used in combination with other methods of seed biostimulation, such as biological methods [10,11]. Dłu żniewska et al [10] showed that the health of young soybean plants was improved.…”

“…This method has unlimited potential due to the positive synergistic effect obtained when it is used in combination with other methods of seed biostimulation, such as biological methods [10,11]. Dłu żniewska et al [10] showed that the health of young soybean plants was improved. The stimulation of the soybean seeds and AMF inoculum reduced the incidence of Septoria brown spot but only slightly reduced the occurrence of Fusarium root rot.…”

Colored LED Lights: Use One Color Alone or with Others for Growth in Hedyotis corymbosa In Vitro?

“…Using artificial light sources is more useful than using chemicals to control the seed quality, flowering, yield, and diseases in the crops and simultaneously reduce the environmental impact. Consequently, the use of LED lights in agricultural farming has been increasingly noticed [ 2 , 3 , 4 , 5 ]. Several studies have shown that changes in LED wavelengths and light intensity could be the tools to manipulate plant growth, photosynthesis performance, and plant secondary metabolism pathways for the production of functionalized foods [ 5 , 6 , 7 , 8 ].…”

Effects of various poppy seed pre-sowing treatments on the dynamics of field emergence, structure of yield parameters, oil content and yield of seed

“…Another possibility is using various physical methods such as E-ventus or biolaser seeds photostimulations (Tigges et al 2002, Dłużniewska et al 2021. Poppy seed treated with the E-ventus method is commercially offered in the Czech Republic.…”