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Degradable poly(3-hydroxybutyrate)—the basis of slow-release fungicide formulations for suppressing potato pathogens / T. G. Volova, E. G. Kiselev, S. V. Baranovskiy [et al.] // Polymers. - 2022. - Vol. 14, Is. 17. - Ст. 3669, DOI 10.3390/polym14173669. - Cited References: 118
. - ISSN 2073-4360
Кл.слова (ненормированные):
fungicides -- degradable P(3HB) -- slow-release formulations -- physico-chemical properties -- degradation in soil -- suppression of plant pathogens
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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Держатели документа:
Basic Department of Biotechnology, School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av, Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Department of Medical Biology, School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av, Krasnoyarsk, 660041, Russian Federation
Basic Department of Chemistry and Technology of Natural Energy Sources and Carbon Materials, School of Petroleum and Gas Engineering, Siberian Federal University, 82 Svobodny Pr, Krasnoyarsk, 660041, Russian Federation
L.V. Kirensky Institute of Physics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/38 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Federal Research Center, “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, 50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Basic Department of Solid State Physics and Nanotechnology, School of Engineering Physics and Radio Electronics, Siberian Federal University, 26 Kirensky St, Krasnoyarsk, 660074, Russian Federation
International and Interuniversity Centre for Nano Science and Nano Technology, Mahatma Gandhi University, Kottayam, 686560, India
Доп.точки доступа:
Volova, T. G.; Kiselev, E. G.; Baranovskiy, S. V.; Zhila, N. O.; Prudnikova, S. V.; Shishatskaya, E. I.; Kuzmin, A. P.; Nemtsev, I. V.; Немцев, Иван Васильевич; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Thomas, S.
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