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Application of a New Method for Assessing Seed Quality in Production Conditions

https://doi.org/10.36107/spfp.2021.218

Abstract

These studies were carried out to test the method for assessing the quality of seeds in production conditions in order to assess the possibility of using it for the preservation of the quality of harvested sunflower seeds. Previously, we proposed a new indicator of seed quality as “the proportion of oil that changed localization”, which can indirectly reflect the resistance of oil in seeds to oxidative damage and can serve as an integral indicator of seed quality during harvesting and storage. It was assumed that it could also be used in the breeding and testing of new varieties of seeds, since it indirectly characterizes the strength of the tissues of the seed nucleus associated with their ripening. In this study, the quality of harvested seeds was assessed at one of the enterprises of the fat-and-oil complex. Samples were taken at the top and bottom of the cells for five months. In the samples, the indicators of oxidative deterioration of oil in the seeds and the indicator of the relative mass fraction of free oil were determined. A stable tendency was established for the change in the values of the indicator of the relative fraction of free oil for the top and bottom of the layer of stored seeds. The values are lower at the top, and higher at the bottom. The phenomenon of synchronous fluctuations in the indicators of oxidative deterioration of oil and the relative mass fraction of free oil during storage was discovered, which should be taken into account when deciding on the priority of seed processing. It is advisable not to use high layers of more than 10m when storing sunflower seeds in bulk. The developed method, based on the determination of the mass fraction of free oil and the associated changes in the indicators of oxidative deterioration of oil in seeds, can be used to control the quality of sunflower seeds, as well as seeds of other oilseeds.

 

About the Authors

Alexander N. Lisitsyn
All Russia Research Institute of Fats
Russian Federation


Vladimir N. Markov
All Russia Research Institute of Fats
Russian Federation


Valentina N. Grigoryeva
All Russia Research Institute of Fats
Russian Federation


Shafi K. Tagiev
All Russia Research Institute of Fats
Russian Federation


Andrey V. Efimov
All Russia Research Institute of Fats
Russian Federation


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For citations:


Lisitsyn A.N., Markov V.N., Grigoryeva V.N., Tagiev Sh.K., Efimov A.V. Application of a New Method for Assessing Seed Quality in Production Conditions. Storage and Processing of Farm Products. 2021;(3):54-68. (In Russ.) https://doi.org/10.36107/spfp.2021.218

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ISSN 2072-9669 (Print)
ISSN 2658-767X (Online)