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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova T. G., Kiselev E. G., Baranovskiy S. V., Zhila N. O., Prudnikova S. V., Shishatskaya E. I., Kuzmin A. P., Nemtsev I. V., Vasiliev A. D., Thomas S.
Заглавие : Degradable poly(3-hydroxybutyrate)—the basis of slow-release fungicide formulations for suppressing potato pathogens
Место публикации : Polymers. - 2022. - Vol. 14, Is. 17. - Ст.3669. - ISSN 20734360 (ISSN), DOI 10.3390/polym14173669
Примечания : Cited References: 118
Аннотация: Three-component slow-release fungicide formulations with different modes of action of the active ingredients for suppressing potato pathogens were constructed for the first time. The difenoconazole, mefenoxam, prothioconazole, and azoxystrobin fungicides were embedded in the degradable polymer P(3HB)/birch wood flour blend and examined using SEM, IR spectroscopy, X-ray analysis, DTA, and DSC. Results showed that no chemical bonds were established between the components and that they were physical mixtures that had a lower degree of crystallinity compared to the initial P(3HB), which suggested different crystallization kinetics in the mixtures. The degradation behavior of the experimental formulations was investigated in laboratory micro-ecosystems with pre-characterized field soil. The slow-release fungicide formulations were prolonged-action forms with a half-life of at least 50–60 d, enabling gradual and sustained delivery of the active ingredients to plants. All slow-release fungicide formulations had a strong inhibitory effect on the most common and harmful potato pathogens (Phytophthora infestans, Alternaria longipes, Rhizoctonia solani, and Fusarium solani).
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