The most significant problem, in ecological vegetable
seed production, is low, capacity which is mainly caused by
high rates of seed infection with fungi and a shortage of effective
biological agents to eliminate pathogens. Therefore, proecological
methods of seed quality enhancement are being researched,
with the aim of increasing the profitability of seed production by
improving the seed sowing value. The aim of the work was to
evaluate the effectiveness of pulsed radio frequency on the seed
quality of selected vegetable cultivars. The results obtained from
research conducted in laboratory, greenhouse and field conditions
indicate the protective effect of pulsed radio frequency treatment
of seeds by a reduction in the incidence of beetroot, lettuce
and garden dill seed-borne fungi, and an improvement in their
health status and germination capacity. The presowing application
of pulsed radio frequency resulted in a 60-80% reduction
of seed infestation with fungi, depending on the plant species.
This treatment improved the dynamics of seed germination, plant
emergence, growth, and increased the chlorophyll content and
gas exchange in leaves. The most beneficial results were obtained
in beetroot, in which the problem of seed production is associated
with a high rate of seed infestation with mycoflora and the
presence of germination inhibitors in the seed coat. The results
indicate the high efficiency of the applied pulsed radio frequency
and its usefulness in ecological and integrated seed production.
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