Tag Archives: oil content

xxx I. Poliakova, O. Polyakov and K. Vedmedeva
Comparative analysis of oil flax varieties according to economically valuable traits in the Steppe zone of Ukraine
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Comparative analysis of oil flax varieties according to economically valuable traits in the Steppe zone of Ukraine

I. Poliakova¹*, O. Polyakov² and K. Vedmedeva²

¹Zaporizhzhia National University (ZNU), Ministry of Education and Science of Ukraine, 66 Zhukovskogo Str., UA69600 Zaporizhzhia, Ukraine
²Institute of Oilseed Crops, National Academy of Agrarian Sciences of Ukraine, 1 Institutskaya Str., UA69093 Sonyachne village, Zaporizhzhia oblast, Ukraine
*Correspondence: ira.linum@gmail.com

Abstract:

Interest in oil flax has been growing in recent decades. Linseed oil is a fast-drying oil and it is traditionally used in the production of linoleum, paints and coatings. Due to their content of essential polyunsaturated acids and vitamins, the growing use of flax seeds and oils in food and medicine has significantly increased the volume of its cultivation in different countries. This article presents the main research results for 2018−2020 of a large group of varieties of oil flax of Zaporizhzhia breeding for economically valuable traits. The purpose of research is to establish the genotypes that form the highest yields and oil content in arid conditions of the Steppe zone of Ukraine. It was found that the most productive year was 2020 due to more favorable temperatures and even distribution of precipitation during the growing season of oil flax. It was found that the yield of oil flax had a high correlation coefficient with weather conditions (r = 0.67) especially from precipitation in May-June (r = 0.60). A detailed study of the correlation between yield and habit traits and the main economically valuable traits revealed a close direct correlation between oil flax yield and seed weight per 1 plant (r = 0.99), yield and number of lateral stems per plant (r = 0.93), yield and number of bolls and seeds per 1 plant (r = 0.77), yield and weight of 1,000 seeds (r = 0.73), yield and duration of the growing season (r = 0.65). According to the results of three-year research, the highest yield was obtained from the variety Vodohrai 1.79 t ha-1. The highest oil content and oil yield per hectare were formed by varieties Vodohrai 50.1% and 0.80 t ha-1, Zolotystyi 49.7% and 0.76 t ha-1, Aisberh 48.3% and 0.72 t ha-1.

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xxx N. Minev, A. Matev, N. Yordanova, I. Milanov, M. Sabeva and M. Almaliev
Effect of foliar products on the inflorescence yield of lavender and essential oil
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Effect of foliar products on the inflorescence yield of lavender and essential oil

N. Minev¹*, A. Matev¹, N. Yordanova¹, I. Milanov¹, M. Sabeva² and M. Almaliev¹

1Agricultural University - Plovdiv, 12 Mendeleev street, BL4000 Plovdiv, Bulgaria
²Institute of Plant Genetic Resources ‘K. Malkov’, 2 Drujba street, BL4122 Sadovo, Agricultural Academy, Sofia, Bulgaria
*Correspondence: nikiminev@abv.bg

Abstract:

The topic of the effect of foliar fertilization on the productivity and oil content of lavender is relevant, but not sufficiently studied. The present study aims to establish the effect of foliar products on the growth, development and productivity of lavender. The field experiment was carried out at the Agricultural University – Plovdiv with lavender of ‘Jubileina’ variety during 2019–2020. The following variants were included in the study: 1. Untreated control; 2. Treatment with Fertileader Gold (FG) – 3 L ha-1; 3. Treatment with Fertiactyl Trium + Fertileader Vital
(FT + FVital) – 1.5 + 1.5 L ha-1; 4. Treatment with Fertileader Viti (FViti) – 3 L ha-1; 5. Treatment with Fertileader Vital (FV) – 3 L ha-1; 6. Treatment with Fertileader Alpha (FA) – 3 L ha-1. Those preparations are bio stimulants for foliar application. The treatments were made in two consecutive lavender vegetation seasons. The first application was carried out in the second growing season (2019) and the second in the next, third growing season (2020). The foliar application of all tested products increased the photosynthetic activity, but it was better expressed when using the plant nutrition products FV, FViti and FT + FVital. A positive effect was also observed in the height and diameter of the bush, but during the third vegetation period. The number of flowering stems increased by 62.9%; 59.4%; 53.3% and 8.4%, respectively, when applying the fertilizers FG, FT + FVital, FViti and FV. The application of FG and FT + FVital increased the yield of fresh inflorescences by 6.1% and 3.7%. The application of the different products affected the oil yield in different ways; the application of FG, FT + FVital and FViti increased it, while FV and FA decreased it by 27 kg ha-1 and 16 kg ha-1, respectively, for the first vegetation and by 43.4 kg ha-1and 33.1 kg ha-1 for the second vegetation. The boron containing products FG, FT + FVital and FViti led to a significant increase in the essential oil yield, while the application of the foliar fertilizers FV and FA reduced it. Based on those results, the first three products are recommended.

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586–594 D. Shafigullin, S. Kask, M. Gins, Е. Pronina, G. Demyanova-Roy and A. Soldatenko
Fatty oil accumulation in vegetable soybean seeds and its thin-layer chromatography
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Fatty oil accumulation in vegetable soybean seeds and its thin-layer chromatography

D. Shafigullin¹, S. Kask²*, M. Gins¹³, Е. Pronina¹, G. Demyanova-Roy⁴ and A. Soldatenko¹

¹Federal Scientific Vegetable Center, Selektsionnaya Stt., 14, VNIISSOK, Odintsovo region, RU143080 Moscow, Russia
²University of Tartu, Pärnu College, Ringi 35, EE80012 Pärnu, Estonia
³Peoples’ Friendship University of Russia, Miklukho-Maklaya Str. 6, RU117198 Moscow,
Russia
⁴4Kostroma State Agricultural Academy, Uchebnyy Gorodok, 34, RU156530 Karavayevo, Kostroma Oblast, Russia
*Correspondence: sergey.kask@ut.ee

Abstract:

This paper studies the accumulation of crude oil (triacylglycerides, monoacylglycerides, diacylglycerides, free fatty acids, phospholipids, tocopherols, pigments, sterols, waxes) in soybean vegetable samples. Samples were taken from two groups: grown in an experimental field and in protected ground of the Federal Scientific Center for Vegetable Growing in the Moscow Region. Both groups were observed in the phase of technical ripeness and in the phase of complete biological ripeness (finally ripe seeds). Soxhlet method as arbitration in analysis was used as suitable for the extraction of lipophilic substances. It was determined that the fat content in the technical ripeness phase in most soybean samples averaged 10.5%. In the phase of biological ripeness, the highest accumulation of fatty oil was observed in Hidaka and Nordic (17.6%). The oil content in vegetable forms of soybeans was consistently lower than that of grain varieties: in the phases of technical and biological ripeness by 55.6% and 22.0% (in relative values) respectively. Thus, he accumulation of oil in seeds is determined mainly genetically. The refractive index of vegetable and oil soybean was established equal on average 1.4755. According to this finding the soybean oil can be classified as semi-drying.
Thin layer chromatography (TLC) was used to study the lipophilic components of soybean fatty oil. It was found experimentally that the best separation of the components is achieved using an eluent system: carbon tetrachloride: chloroform in a 2: 3 ratio. It was found that the main fat-soluble compounds are the following (in order of increasing Rf in the chromatogram): phospholipids, monoacylglycerides, triacylglycerides, tocopherols, fatty acid esters. As a finding of the research vegetable soybean cultivated at 55 °N in both technical and biological ripeness phases significantly accumulate crude oil in the seeds. This crude oil contained ω-6, ω-3, phospholipids, and vitamin E.

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450–460 M. Khajbullin, G. Kadaeva, B. Akhiyarov, A. Valitov and R. Gajfullin
The quality of spring rape seeds and its dependence on the doses of mineral fertilizers under the conditions of Southern Urals
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The quality of spring rape seeds and its dependence on the doses of mineral fertilizers under the conditions of Southern Urals

M. Khajbullin¹*, G. Kadaeva², B. Akhiyarov², A. Valitov³ and R. Gajfullin⁴

¹Federal State Budgetary Educational Institution of Higher Education Bashkir State Agrarian University, Department of Soil science, botany and plant breeding, 50-letiya Octyabrya Str., 34, RU450001 Ufa, Russia
²Federal State Budgetary Educational Institution of Higher Education Bashkir State Agrarian University, Department of Crop production, plant breeding and biotechnology, 50-letiya Octyabrya Str., 34, RU450001 Ufa, Russia
³Federal State Budgetary Educational Institution of Higher Education Bashkir State Agrarian University, Department of Plant growing and agriculture,50-letiya Octyabrya Str., 34, 450001, Ufa, Russia
⁴Federal State Budgetary Educational Institution of Higher Education Bashkir State Agrarian University, Department of Crop production and agriculture,50-letiya Octyabrya Str., 34, RU450001 Ufa, Russia
*Correspondence: khaibullinmuhamet@rambler.ru

Abstract:

Spring rape is a high-marginal crop that can be used in different areas of the national economy. Despite this, the area used for sowing this crop in the Russian Federation is still small, and the quality of its seeds does not always meet the standards. The purpose of the research is to identify the most effective doses of mineral fertilizers that allow obtaining the planned harvest of high-quality spring rape seeds in the southern forest-steppe of the Republic of Bashkortostan. The paper presents the results of triennial field researches (2016–2018) on the effect of mineral fertilizers on some indicators of the quality of spring rape seeds of the Iubileynyi variety. The research was carried out in the educational and scientific center of Bashkir State Agrarian University (Ufa, the Russian Federation) on leached black soils of heavy loam granulometric composition. The positive effect of calculated doses of mineral fertilizers on the object of interest was evident. Fertilization increased the spring rape yield capacity and its oil content by 0.34–0.51 t ha-1 and 0.1–1.8%, respectively. The yield of oil per hectare also increased. The use of fertilizers increased the content of nitrogen and potassium, averaging over three years 3.32–3.36% and 1.00–1.03%, respectively. The use of fertilizers did not significantly effect the content of phosphorus. The content of phosphorus did not exceed 1.74–1.79%. Crude protein content was 19.4–19.6% for researched period.

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83–86 P. Lääniste, J. Jõudu and V. Eremeev
Oil content of spring oilseed rape seeds according to fertilisation
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Oil content of spring oilseed rape seeds according to fertilisation

P. Lääniste, J. Jõudu and V. Eremeev

Department of Field Crop Husbandry, Estonian Agricultural University, Kreutzwaldi 64, 51014 Tartu, Estonia; e-mail: lpeeter@eau.ee

Abstract:

Field trials, to investigate the effect of microfertilisers on the oil content of seeds of the oilseed rape cultivar ‘Mascot’, were carried out at the Department of Field Crop Husbandry in 2002-2003. We used in our trial 7 different microfertilisers. Prior to the sowing, the field was sprayed with herbicide EK Trifluralin and mineral fertiliser OptiCropNPK 21-08-12+S+Mg+B+Ca, calculating 120 kg N ha-1. Plants were treated with microfertilisers on 26 June. Analyses of test results revealed that different microelements influenced the oil content of rape seeds. The positive effect was noted in variants where rape plants were treated with micronutrients and micronutrients mixtures. The highest oil content, 43.4% of seeds dry matter, had Molybdenum-treated rape.

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