Published in Scientific Papers. Series A. Agronomy, Vol. LXIV, Issue 1
Written by Kiril SIRAKOV, Miroslav MIHAYLOV
Research has been carried out on seeds of the Bulgarian variety "Obraztsov Chiflik 12". The seeds are divided into two groups. They are stored in conditions of natural aging. The first group of seeds remained for 5 years, and the second group for 6 years until the date of the study. It was found that the pre-sowing electromagnetic treatment stimulated the laboratory germination, the lengths of the sprouts and the accumulated dry mass of the plants, which sprouted from the seeds that remained for 6 years. After a stay of the seeds for 5 years and performed pre-sowing electromagnetic treatment, an increase in the lengths of the roots and sprouts was achieved, respectively to 121.20% and 135.43% compared to the remaining untreated seeds. The regime parameters of the pre-sowing electromagnetic treatments, which stimulate the sowing qualities of old seeds, have been established. The results of the research show that the pre-sowing electromagnetic treatments have a stimulating effect on the sowing qualities of bean seeds, which have been stored for a long period.
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