Uman NUH | today: 12/21/2024
| Author(s) |
Поліщук В. В., , , Коновалов Д. В., , , |
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|---|---|---|---|
| Category | The Agronomy | ||
| year | 2023 | issue | Issue number 103. Part 1 |
| pages | 182-189 | index UDK | 575.827.633.11 | DOI | 10.32782/2415-8240-2023-103-1-182-189 (Link) |
| Abstract | Goal. To determine the effect of the storage period of winter wheat seeds in sealed and unsealed containers in the chamber and storage on their susceptibility to pathogens depending on their moisture content, growing conditions and injury. Methods. The research was conducted in the experimental farm of the Institute of Plant Physiology and Genetics with a variety of the Bogdan Institute breeding during 2016–2021. The experiment was carried out with seeds of soft winter wheat variety Bogdana, selected by the Institute of Plant Physiology and Genetics. The scheme of the experiment provides for the storage of seeds grown under irrigation and without irrigation and injured to varying degrees in sealed and unsealed containers in a climate chamber and storage. Results. It was found that during the storage of seeds grown under irrigation and without it for five years in sealed and unsealed containers in a climatic chamber and storage, along with a decrease in their germination, the seeds were affected to varying degrees by pathogens. During prolonged storage of injured seeds, the level of their total disease severity increased, depending on the storage conditions and the degree of their injury. The lowest damage by pathogens was observed in seeds with an injury rate of 18 % when stored in sealed and unsealed containers both in the climate chamber and in the storage facility. With an increase in the degree of damage to the seeds to 56 and 79 %, the damage by pathogens increased regardless of storage conditions. Conclusions. Based on the experimental data obtained, it can be concluded that when laying seed stocks for long-term storage, the degree of seed injury should be taken into account, and mechanical damage to the seeds should be prevented during harvesting, post-harvest processing and storage. It is advisable to store injured seeds of valuable breeding and genetic samples at a moisture content of 7.6% in a sealed container. | ||
| Key words | humidity, pathogens, growing conditions, injuries, storage, sealed containers | ||