Effect of Ascophyllum nodosum Alga Application on Microgreens, Yield, and Yield Components in Oats Avena sativa L.

Abstract

This paper describes the influence of Ascophyllum nodosum algae on the seeds, microgreens, yield, and yield components of oat Avena sativa cv. Bingo. This article includes the results from three experiments. In one of the experiments, the oat seeds were soaked in a solution of demineralized water with dried comminuted and homogenized algae. For the FT–Raman spectra measurements, a spectrometer with an Nd:YAG laser, with a germanium detector, was used. The results obtained show that an excessively low as well as an excessively high alga concentration did not have an influence on the change in oat composition. Other algae concentrations that were used in these experiments caused significant chemical changes in the oat seeds. For the FT–Raman data, separation of the control from all the oat grains treated with different algae concentrations was possible. The aim of the pot experiment was to determine the effect of the application of algae (in different doses) on the A. sativa green mass of young plants (microgreens). The certified oat seeds, after being soaked in a solution with algae, were planted in the ground. For the chemometric analysis of the oat samples, a Fourier-transform infrared (FTIR) spectrometer device was used. The data were recorded with a viewing diamond with an attenuated total reflection (ATR) crystal plate. The FTIR spectra showed that soaking in an algae suspension affected the germination, general metabolism, and chemical composition of the oats. The use of algae did not change the lipid content of the plant. The three-year field experiment was established by introducing two factors: A. nodosum application (A) and a pre-sowing stimulation with a low-frequency magnetic field (S). The influence of experimental factors on the oat yield and its structure (yield structure components and yield components) was investigated. The beneficial effect of algae on oat yield was demonstrated by improved parameters such as the number and weight of the grains; however, under field conditions, the pre-sowing magnetic field stimulation of seeds did not have a beneficial effect. Various weather conditions also had a great influence on the yield. This study also considered the role of A. nodosum as a biostimulant in plants, and this showed potential under less favorable conditions.

Comprehensive Analysis of Physicochemical, Functional, Thermal, and Morphological Properties of Microgreens from Different Botanical Sources

“…The results were presented as peaks in the spectra, which are shown in Figure . The FTIR spectrum of spinach microgreens (Figure ) showed peaks at 3280.27, 2917.31, 773.91, and 607.60 cm –1 , which were attributed to alcohols (O–H stretching), alkanes (C–H stretching), alkenes (CC stretching), phenols (O–H bending), amines (C–N stretching), and aliphatic bromo compounds (C–Br stretching). − The peaks in the region between 1500 and 1000 cm –1 indicated the presence of polyphenols and proteins. Carrot microgreens (Figure ) showed peaks in the region between 2917.03 and 616.27 cm –1 .…”

Factors Affecting Production, Nutrient Translocation Mechanisms, and LED Emitted Light in Growth of Microgreen Plants in Soilless Culture

“…Microgreen and babygreen plants are grown with light sources, but sprouts do not require light sources . The light duration of 6–8 h for rice grass, 6 h for barley grass, 6 h for oat grass, 12 h for wheat grass, 12 h for jowar grass, 12–16 h for mint, 10–12 h for basil, 6–8 h for rosemary, 8 h for sage, 6–8 h for oregano, 6 h for amaranth, 8 h for beets, 8–10 h for chard, 6 h for quinoa, 12 h for spinach, 6–8 h for chives, 10–12 h for garlic, 12–14 h for leek, 12 h for onion, 12–16 h for carrot, 4 h for celery, 6–8 h for dill, 6 h for fennel, 6 h for cabbage, 6–8 h for cauliflower, 14–16 h for broccoli, 6 h for radish, 6–8 h for aster cress, 14–18 h for mustard, 12–14 h for cucumber, 8–12 h for melons, 14 h for squash, 4–9 h for endive, 14 h for lettuce, 12–13 h for beans, 12 h for welsh onion, 12 h for long green onion, 14–16 h for red swiss chard, 12 h for buckwheat, 16 h for sunflower, 8–12 h for maize grass, 16 h for sunflower and 6–8 h for linseed is essential for microgreen plant production.…”