Assessment of the Effect of Fertilizers on the Microbiome of Apple Trees Using DNA Metabarcoding

Zaytsev, P.A.; Kuzin, A.I.; Shurygin, B.M.; Skripnikova, E.V.; Karpukhina, S.A.; Zaytseva, A.A.; Solovchenko, A.E.

Авторы: Zaytsev P.A., Kuzin A.I., Shurygin B.M., Skripnikova E.V., Karpukhina S.A., Zaytseva A.A., Solovchenko A.E.
Журнал: Nanobiotechnology Reports
Том: 18
Номер: 3
Год издания: 2023
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 515
Последняя страница: 522
DOI: 10.1134/s2635167623700386
Аннотация: The biodiversity of the soil microbiome and its stability are central to the preservation of soil fertility in agroecosystems. Intensive technologies of the cultivation of industrial orchards require the abundant application of mineral fertilizers, which have a negative impact on the soil. Currently, bio-based formulations, which adjust the soil biota activity and increase the bioavailability of mineral nutrients, including those introduced with traditional fertilizers, are becoming widespread. Modern approaches based on the use of DNA metabarcoding allow the actual impact of various agrotechnological practices on the structure of the soil microbiome to be assessed. The effect of mineral fertilizers per se or in combination with the biological preparation Baikal EM1 on the microbiome of the soil, rhizosphere, and leaves, and shoots of apple trees is studied in an intensive apple orchard. Traditional fertilizer application causes considerable changes in the soil microbiome. The additional application of Baikal EM1 means these changes are less pronounced so the structure of the soil and rhizosphere microbiome became close to that of the intact soil. A reduction in the rate of application of chemical fertilizers in combination with the Baikal EM1 biological preparation causes no decrease in the content of the key elements of mineral nutrition in the apple plants, and the increase in the yield is comparable to that observed in plots fertilized only with chemical fertilizer. The applications of DNA metabarcoding to assess the effect of biological preparations on the soil microbiome of agroecosystems are discussed.
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