Institutul de Genetică, Fiziologie şi Protecţie a Plantelor

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Identification of mycotoxin – producing species of Fusarium in tomato ontogenesis
(CEP USM, 2024-10-07) Deaghileva, Angela
The results of molecular identification of toxigenic Fusarium spp. in local tomato varieties at some vegetative phases are presented. F. oxysporum, F. verticillioides, F. proliferatum, F. avenaceum, F. equiseti, F. solani were found at different stages of tomato development. Sequences of FUM gene cluster involved in the synthesis of Fumonisin B1 and Polyketide synthase (PKS13) gene sequences involved in the synthesis of Zearalenone were revealed in some tomato varieties infected by certain toxigenic Fusarium species.
IMMUNOLOGIC EVALUATION OF MAIZE COLLECTION SAMPLES
(CEP USM, 2023) Bilici, Elena; Grajdieru, Cristina
Seven inbred maize lines from the active collection of Laboratory of plant genetic resources were tested for their susceptibility to fungal pathogens using visual evaluation of disease symptoms and molecular diagnostics. The highest infection rate was registered in MAN2492 and was 35%, therefore the respective genotype can be classified as susceptible. MAN2466 lacked symptoms of diseases and for MAN2488 minimum value of the respective parameter was registered (5%) – resistant genotype group. Quantitative analysis showed that the overall value of DNA sequences specific for the fungal genome was the lowest in the grain of MAN2488, MAN2491, MAN2470 genotypes.