Biocontrol of economically significant diseases in order to increase the yield of pot marigold and valerian seeds and potato tubers

Filipović, Vladimir; Ugrenović, Vladan; Jevremović, Stojan; Dimitrijević, Snežana; Pavlović, Marija; Popović, Vera; Dimitrijević, Suzana

doi:10.5937/selsem2001038f

Selekcija i semenarstvo

2020

DOI: 10.5937/selsem2001038f

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Biocontrol of economically significant diseases in order to increase the yield of pot marigold and valerian seeds and potato tubers

Vladimir Filipović¹,

Vladan Ugrenović²,

Stojan Jevremović³

et al.

Abstract: U radu je ispitivan uticaj primene tri različita preparata na prisutnost četiri ekonomski značajne bolesti u usevu nevena, odoljena i krompira . Na nevenu je utvrđivan intenzitet zaraze pepelnice lista (Podosphaera xanthii (Castagne) U . Braun & Shishkoff .), u odoljenu na pegavost lista (Alternaria alternata (Fr . ex Fr .) Keissel), kod krompira na crnu pegavost (Alternaria solani (Ellis & Mart .)) i plamenjaču (Phytophthora infestans (Mont .) de Bary) . Od preparata, primenjen je sintetički preparat "Sekvenc… Show more

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Cited by 2 publications

References 28 publications

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Influence of phytohormones on vegetative propagation of different forms of pannonian thyme (Thymus pannonicus All.)

Filipović¹,

Ugrenović²,

Maksimović³

et al. 2020

Selekcija i semenarstvo

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The paper examined the impact of the application of three different phytohormones (INCIT 2, INCIT 5 and INCIT 8, all based on a-Naphthalene Acetic Acid (NAA)), with the cuttings of two forms of Pannonian thyme (the L-16 form, with hairy leaves, and the L-9 form, with hairless leaves), established during two periods (March and May), on the percentage of the rooted cuttings and the morphological properties of the seedlings. As the control, the variant without the application of the phytohormones was taken. The research was conducted in the period from 2019 to 2020, in a plastic greenhouse, using the plant collection of the Institute for Medicinal Plants Research "Dr Josif Pančić", which is located in Pančevo city, Serbia (44°52'20"N; 20°42'06"E; 74 m.a.s.l.). For this research was used the Pannonian thyme species (Thymus pannonicus All.) from the Lamiaceae family, which is grown and produced at the Institute. Plant establishment was carried out in four repetitions with 33 cuttings per each variant. Standard measures of care were used during the period of production of Pannonian thyme. The measurement was performed after 60 days from the date of conducted the experiment. The following parameters were measured: the percentage of rooted cuttings (%), the mass of the rooted plantlings (g), the mass of roots (g), the length of rooting (cm) and the number of root hairs of the formed rootings. The measuring was done using a ruler, millimetre paper and an analytical balance. Given the results achieved, INCIT 2 proved to be the most suitable phytohormone for the rooting of Pannonic thyme cuttings, with the average percentage of rooted cuttings of 61.3%. The lowest rooting percentage was recorded in the control variant, only 29.4%. Satisfactory rooting was found in the cuttings treated with INCIT 8 (57.6%). The L-16 form cuttings showed a higher rooting rate, an average of 53.8%, whereas the L-9 form cuttings had a lower average percentage of rooted cuttings (45.0%) for both plant establishment periods. Greater success and quality in the rooting of cuttings was recorded in the second (May) period of plant establishment, averaging 58.1%, which was higher by 17.4% than the percentage of rooted cuttings in the first establishment period (40.7%). It is important to note that the rooting of the L-9 form was significantly higher in the second establishment period (58.1%) than that in the first establishment period (31.9%).

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Influence of phytohormones on vegetative propagation of different forms of pannonian thyme (Thymus pannonicus All.)

Filipović¹,

Ugrenović²,

Maksimović³

et al. 2020

Selekcija i semenarstvo

Self Cite

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Phytostimulatory effect of bacterial strains on oiled flax and black cumin cultivation

Dimitrijević¹,

Filipović²,

Milić³

et al. 2022

Selekcija i semenarstvo

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In order to examine the influence of plant growth stimulating bacteria, which belong to the genus Streptomices sp., Paenibacillus sp. and Hymenibacter sp., on the yield and seed quality of linseed and black cumin, as well as on the morphological characteristics of these plants, a two-year field experiments were conducted. Soil treatment with a mixed culture of bacteria of different concentrations was applied during the sowing of plants. Before sowing, the influence of individual strains on the germination index of linseed and black cumin was examined. Based on the results presented in the paper, the strains CKS1 - Paenybacillus chitinolyticus, CKS3 - Hymenobacter sp., and CKS7 - Streptomyces fulvissimus, gave germination index values GI over 100% in linseed, within all tested concentrations, while in black cumin, such an effect was shown only by strain CKS7. The positive effect of the bacterial preparation in both examined plant species was recorded by measuring the yield of seeds per hectare treated with a lower concentration of the bacterial preparation compared to the corresponding untreated samples (control sample). A significant difference was recorded by measuring the number of cocoons in samples of treated linseed compared to untreated ones, as well as the mass of roots of both treated plant species. Also, the highest overall germination compared to the control was achieved by the linseed variant L2 in the treatment with a lower concentration of bacteria of 98.3±1.4%.

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Biocontrol of economically significant diseases in order to increase the yield of pot marigold and valerian seeds and potato tubers

Cited by 2 publications

References 28 publications

Influence of phytohormones on vegetative propagation of different forms of pannonian thyme (Thymus pannonicus All.)

Influence of phytohormones on vegetative propagation of different forms of pannonian thyme (Thymus pannonicus All.)

Phytostimulatory effect of bacterial strains on oiled flax and black cumin cultivation

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