УДК |
Аннотация: In this study, several alternative phytosanitary treatments for forest tree seeds in general were evaluated and experiments on the long-term storage of acorns were conducted. Seed treatments with low-energy electron beams were carried out on acorns, beechnuts, and seeds of Sitka spruce. This method, the effect of which is restricted to the outer seed parts, is based on the biological effect of ionising radiation and is intended to kill microfungi in the pericarp and testa. The second evaluated phytosanitary measure consisted of the microwave treatment of acorns, which relies on a thermal effect. In addition, the phenomenon of artificially induced frost hardiness of acorns was examined in order to explore the possibility of storing acorns at temperatures lower than the present limit of -3 C.
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