Influence of excilamp radiation on sowing indicators and disease of wheat seed

Abstract

The results of studying the influence of a relatively new subclass of gas ? discharge sources of ultraviolet (UV) radiation-excilamp (XeCl, XeBr, KrCl) on the sowing qualities of seeds (germination energy, laboratory germination, seed morbidity) of soft spring wheat are presented. The objects of research are wheat seeds (Triticum aestivum L.) of the Irena variety (harvest 2016–2018), infected with the most common diseases in the Tomsk region. The studies have shown that among the three fungal diseases of wheat seeds, penicillosis was the best suppress using excilamps. Treatment of a batch of wheat seeds infected with penicillosis, XeBr or KrCl excilamp with a dose of 43.2 j/cm2 gives a disinfecting effect. In addition, this preserves the seed germination rate, which is crucial for their further use for sowing purposes. The same disinfecting effect is observe when the seeds are exposed to excilamp in relation to alternariosis, but the indicators of seed germination are reduced. None of the options impact of the excilamp on wheat seeds infected with Helminthosporium, showed no significant reduction of the infestation while preserving the germination level of control.