4.7 Article

Germination and Growth of Plasma-Treated Maize Seeds Planted in Fields and Exposed to Realistic Environmental Conditions

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MDPI
DOI: 10.3390/ijms24076868

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maize; plasma; yield; seedling emergence; field; fungicide; eco-layer; realistic field conditions

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In this study, the effects of radio frequency oxygen plasma treatment on maize seeds were investigated. The results showed that plasma-treated seeds had a positive effect on plant yield. However, the differences were only partially significant. The presence of insect pests negatively affected the results in the first harvest year.
In this study, we applied an inductively coupled, radio frequency oxygen plasma to maize seeds and investigated its effects on seedling emergence, plant number at tasseling, and crop yield of maize in realistic field conditions. Maize seeds of seven different hybrids were treated over two harvest years. In addition to plasma-treated seeds, a control sample, fungicide-treated seeds, an eco-layer, and a plasma and eco-layer combination, were planted. Seedling emergence, plant number at tasseling (plants/m(2)), and yield (kg/ha), were recorded. In the first harvest year, results were negatively affected by the presence of an insect pest. In the second harvest year, plant number and yield results were more uniform. In both years, for two and three hybrids, respectively, the highest yield arose from plants from plasma-treated seeds, but the differences were only partially significant. Considering our results, plasma treatment of maize seeds appears to have a positive effect on the yield of the plant.

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