Institutul de Genetică, Fiziologie şi Protecţie a Plantelor

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    Potato nematodes of the Black Sea steppe of Ukraine
    (CEP USM, 2024) Burykina, Svitlana; Uzhevska, Svitlana; Nikishicheva, Kateryna; Kohut, Inna; Rudenko, Vyacheslav
    The article presents the results of examination of potato tubers grown in the Odesa region (Ukraine) to detect helminths that damage it. Installed: іn Odesa region, 5 species of phytohelminths (no potato stem nematode), 4 species of mycohelminths, and 4 species of saprobiotic nematodes were found in tubers with signs of dry rot from 21 locations, mainly in the southern regions. Pratylenchus pratensis, Paratylenchus nanus polyphages dominated.
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    Spectrophotometry analysis of carcinogenic components of potato varieties when infected by the wart casuative agent Synchytrium endobioticum (Shilbersky) percival
    (CEP USM, 2024) Zelya, Avrelia; Vorobets, George; Zelya, George
    The paper proposed a method of spectrophotometric analysis for total proteins in various combinations of crossing parent potato forms whit different wart resistance and received after crossing descendants in the scope from 595 - 600 nm. As a result of conducted research after infecting by the wart causative agent of 75 potato samples and spectrophotometric analysis of total proteins, it was found that in resistant potato forms their content(total proteins) was 0.78 – 0.84 mg/ml, in wart - sensitive forms containing pathogenetic proteins – 0.56-0.65 mg/ml. This present spectrophotometric analysis test with a resolution of 1-5 nm in various radiation ranges allows to identify wart compounds in wart formations in the early stages of ontogenesis.
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    Stolbur spread in some potato genotypes grown in the Republic Moldova
    (CEP USM, 2024-10-07) Bahsiev, Aighiuni; Zamorzaeva, Irina; Melian, Lolita
    Testing of 11 potato genotypes for the stolbur disease was carried out in plants grown on the experimental plots of IGPPP, MSU during the 2023 season of vegetation. A low level of 'Candidatus Phytoplasma solani' infection was determined by nested-PCR analysis in all analyzed genotypes. Overall, the percentage of infected plants in the potato field was only 14.6%. In addition, the presence of phytoplasma infection was detected in the tubers of infected potato plants, while it was not detected in the sprouts that appeared on these tubers.