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The effect of climate-smart agriculture on productivity and cost efficiency: Insights from smallholder wheat producers in PakistanOriginal PaperPanhwar Ghulam Mustafa, Shangao Wang, Gershom Endelani Mwalupaso, Yi Yu, Zhou LiAgric. Econ. - Czech, 2024, 70(7):334-348 | DOI: 10.17221/74/2024-AGRICECON
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Assessment of aboveground biomass and carbon stock of subtropical pine forest of PakistanOriginal PaperNizar Ali, Muhammad Saad, Anwar Ali, Naveed Ahmad, Ishfaq Ahmad Khan, Habib Ullah, Areeba Binte ImranJ. For. Sci., 2023, 69(7):287-304 | DOI: 10.17221/125/2022-JFS The presented study estimated the aboveground biomass (AGB) of Pinus roxburghii (chir pine) natural forests and plantations, and created biomass maps using a relationship (regression model) between AGB and Sentinel-2 spectral indices. The mean AGB and BGB (belowground biomass) of natural forests were 79.54 Mg·ha–1 and 20.68 Mg·ha–1, respectively, whereas the mean AGB and BGB of plantations were 94.48 Mg·ha–1 and 24.56 Mg·ha–1, respectively. Correlation showed that mean diameter at breast height (DBH) and mean height have weak relationships with AGB, and BGB has shown correlation coefficients (R2 = 0.46) and (R2 = 0.56) for polynomial models. Regression models between AGB (Mg·ha–1) of Pinus roxburghii natural forest and Sentinel-2 spectral indices showed a strong relationship with Ratio Vegetation Index (RVI) with R2 = 0.72 followed by Normalized Difference Vegetation Index (NDVI) and Atmospherically Resistant Vegetation Index (ARVI) with R2 = 0.70. In contrast, the lower performance of spectral indices has been shown in regression with plantation AGB. Correlation coefficients (R2) were 0.41, 0.41, and 0.40 for RVI, NDVI, and ARVI, respectively. All indices showed that the distribution of AGB data was not the best fit with the linear regression model. Therefore, non-linear exponential and power models were considered the best fit for NDVI, RVI, and ARVI. A biomass map was developed from RVI for both natural forests and plantation because RVI has the highest R2 and lowest P-value. |
Comparison of the blossom and shoot susceptibility of European and Asian pear cultivars to Pseudomonas syringae pv. syringaeOriginal PaperIveta Pánková, Václav Krejzar, Radka KrejzarováHort. Sci. (Prague), 2024, 51(2):85-97 | DOI: 10.17221/18/2023-HORTSCI The susceptibility of 14 pear cultivars to the bacterium Pseudomonas syringae pv. syringae, the causal agent of bacterial blast, was evaluated using three different methods of in vivo inoculation detached shoots inoculation in a growth chamber, and terminal shoot and blossom inoculation of potted trees in a net house in the period 2020–2022. The 20-week assessment of infection symptoms in the net house showed different dynamics of disease development depending on the inoculation method, the weather during the growing season and the susceptibility of the pear cultivars. Most of the cultivars were during the study low susceptible to pathogen and were classified in blossom, terminal as well as detached shoot susceptibility class 2. The European cultivar Kiefer was the least susceptible (susceptibility class 1) to blossom infection, the Asian cultivars Chojuro and Ya Li to terminal shoot infection, and Ya Li to detached shoot infection. The European cultivar William’s was the most susceptible to all types of infection, being classified in class 3, moderately susceptible cultivars to infection of terminal shoots, and class 4, highly susceptible cultivars to infection of blossoms and detached shoots. The assessment of susceptibility of pear cultivars to Pseudomonas syringae pv. syringae in the net house approximated conditions as close as possible to the condition in orchards and should thus be consistent in plantings with similar environmental and weather conditions. |
Alleviating cadmium toxicity in maize plants: role of glycine betaine in enhancing growth, photosynthetic efficiency, water status, and antioxidant defense mechanismOriginal PaperAbeer Hamdy ElhakemPlant Soil Environ., 2024, 70(10):617-631 | DOI: 10.17221/66/2024-PSE The issue of heavy metals (HMs) contamination poses a significant challenge in the environment, exerting a severe impact on the growth and productivity of crops. Cadmium (Cd) is specifically identified as the seventh heavy metal among the top 20 pollutants, primarily due to its elevated phytotoxicity and its solubility in water. In the current study, foliar application of glycine betaine (GB) (500 µmol) investigated the toxic effects of cadmium in maize plants subjected to two Cd concentrations (50 and 100 µmol) as CdCl2. The maize plants exposed to Cd stress exhibited a massive reduction in growth, biomass, photosynthetic pigments [chlorophyll a (Chl a), chlorophyll b (Chl b), carotenoids, and total pigments], gas exchange parameters [transpiration rate (Tr), net photosynthetic rate (Pn), intracellular CO2 concentration (ci), and stomatal conductance (gs)], relative water content (RWC), and organic osmolytes content [total soluble protein (TSS), and total soluble sugar (TSS)]. These impacts were significant with the 100 µmol CdCl2 treatment. Moreover, Cd led to remarked increase in proline, nonenzymatic antioxidants levels [ascorbic acid (AsA) and glutathione (GSH)] as well as the activity of antioxidant enzymes such as superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX), and glutathione reductase (GR). On the other hand, GB application efficiently relieved the Cd toxic impacts on maize and maintained higher growth criteria, gas exchange parameters, photosynthetic pigments, RWC, and organic osmolytes. In addition, the exogenous application of GB added more enhancement to the antioxidative system (enzymatic and nonenzymatic). These results imply that GB could significantly preserve maize growth under Cd toxicity conditions by maintaining photosynthetic characteristics, water status, and antioxidant system. This suggests an enhancement in the plant’s resilience to stress induced by heavy metals. |
Pedigree analysis of the Latvian Warmblood horse heavy type populationOriginal PaperViktorija Nikonova, Daina Jonkus, Liga PauraCzech J. Anim. Sci., 2024, 69(11):462-469 | DOI: 10.17221/147/2024-CJAS
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Effect of thermal management on vitellogenesis and maturation in indoor-reared pikeperch (Sander lucioperca)Original PaperUro¹ Ljubobratoviæ, László Ardó, Georgina Fazekas, Zoltán Horváth, Jovanka LukiæCzech J. Anim. Sci., 2024, 69(1):18-28 | DOI: 10.17221/136/2023-CJAS The present study aimed to assess the effects of thermal manipulation on the vitellogenesis and final oocyte maturation (FOM) in pikeperch. Two groups of fish were stocked in two separate tanks of the climate chamber. One group was stocked at 10-month age (THERMAL), while the other was continually kept under stable photothermal conditions until 19-month-age (CONTROL) and then transferred to a climate chamber. The progress of vitellogenesis was assessed via evaluation of the oocyte diameter at the mid- and late-autumn phases, and the gonadosomatic index (GSI) at the late-autumn phase. Finally, females from the CONTROL group were hormonally stimulated before (WARMING) and after (STABLE) increase of the temperature from wintering to spawning, and the FOM progress, ovulation and plasma levels of 17 α, 20β dihydroxy progesterone (DHP) were assessed. Significantly larger oocytes at the mid-autumn phase (878.8 ± 40.1 μm vs 836.5 ± 46.5 μm) as well as the GSI at the end of the autumn phase (10.5 ± 1.7% vs 7.6 ± 1.1%) were noticed in THERMAL fish. Significantly faster FOM was seen in fish under the WARMING post-stimulation regime, and these fish had higher DHP levels at the moment of hormonal stimulation (5.4 ± 1.4 ng/ml vs 3.8 ± 1.2 ng/ml). According to the obtained results, it appears that photothermal induction of fish at a younger stage might have a positive impact on the first spawning, while the WARMING thermal regime seems to be more efficient in stimulating the FOM in fish upon first wintering. |
Responses of soil nutrients, enzyme activities, and maize yield to straw and plastic film mulching in coastal saline-alkalineOriginal PaperZhen Liu, Mengkun Zhang, Zengjiao Wang, Ying Shen, Deheng Zhang, Shenghao Zhang, Xingchao Qi, Xuepeng Zhang, Tao Sun, Shenzhong Tian, Tangyuan NingPlant Soil Environ., 2024, 70(1):40-47 | DOI: 10.17221/284/2023-PSE To address the issue of low soil nutrients and low crop yields in coastal alkaline salines, a field experiment of straw combined with plastic film mulching in coastal alkaline salines was conducted in this study to explore the effects of different treatments on soil nutrients, enzyme activities and maize yield. Four treatments, including no mulching (NM), straw mulching (SM), plastic film mulching (PM), and straw mulching combined with plastic film mulching (SP), were set up during 2019–2020. In the 0–20 cm soil layer, compared with NM, the soil organic carbon (SOC) and soil catalase activity (SCA) of SM significantly increased by 23.4% and 46.2%, respectively (P < 0.05). The soil total nitrogen (STN), soil available phosphorus (SAP), available potassium (SAK), sucrase activity, urease activity, alkaline phosphatase activity, and maize yield (MY) of SP significantly increased by 40.7, 26.8, 13.9, 34.6, 73.8, 36.2 and 19.0%, respectively (P < 0.05). SOC, STN, SAP, SAK and SCA were significantly correlated with MY. Therefore, straw mulching combined with plastic film mulching has the best effect on increasing soil nutrients, soil enzyme activity, and maize yield and is suitable for promotion and application in coastal alkaline salines. |
Interaction of seaweed metabolites with plants to enhance protection against biotic and abiotic stressesReviewBibi Aida, Deepak Kasote, Jisun Hyunsook LeePlant Protect. Sci., 2026, 62(2):93-145 | DOI: 10.17221/5/2025-PPS Biotic and abiotic stresses severely compromise economically important food crops' nutritional quality, growth, and yield. Conversely, the conventional reliance on chemical fertilisers and pesticides has generated substantial environmental and health risks, necessitating the development of sustainable alternatives. Seaweeds are rich sources of bioactive primary and secondary metabolites, and also promising natural biostimulants for enhancing plant resilience and productivity. Specific seaweed-derived metabolites function as molecular elicitors, mimicking pathogen-associated molecular patterns (PAMPs) and activating multi-layered plant defence mechanisms. This review aims to capture recent literature on the biological efficacy of seaweed extracts and their constituent metabolites, such as polysaccharides, phenolic compounds, and fatty acids, against diverse biotic stressors (e.g., bacteria, viruses, oomycetes, fungi (ascomycetes and basidiomycetes), nematodes, and herbivorous insect pests) and abiotic stressors (such as salinity, drought, extreme temperatures, and heavy metals). The biochemical, physiological, and molecular mechanisms by which seaweed-derived bioactive compounds modulate plant defence responses and stress tolerance pathways are also discussed in detail. In conclusion, seaweed extracts and derived metabolites show promising stress-type-specific effects against biotic and abiotic stresses through diverse mechanisms. However, field validation, dosage optimisation, and the discovery of novel bioactives are essential to harnessing their potential fully in sustainable agriculture. |
3D finite element analysis of tine cultivator and soil deformationOriginal PaperMuhammad Hashaam, Muhammad Waqar Akram, Moaz Ahmad, Muhammad Zuhaib Akram, Muhammad Faheem, Muhammad Maqsood, Muhammad AleemRes. Agr. Eng., 2023, 69(3):107-117 | DOI: 10.17221/58/2022-RAE
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Determination of sorghum production energy input-output balance under farmers' practices in the Hararghe lowland areas of Ethiopia.Original PaperBirhanu Gurracho, Yetenayet Tola, Abebe Badie, Solomon Habtegabriel, Sirawdink ForsidoRes. Agr. Eng., 2023, 69(4):189-198 | DOI: 10.17221/11/2023-RAE
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Living mulches in-rows as an alternative for herbicide fallow in a pear Pyrus communis L. orchardOriginal PaperIreneusz Sosna, Ewa FudaliHort. Sci. (Prague), 2024, 51(2):160-167 | DOI: 10.17221/14/2023-HORTSCI Weed control and replenishing soil moisture and fertility are important areas in fruit production. The number of studies focused to determine whether living mulches in tree rows can fulfil these tasks increases recently. In the paper the results of an 11-year experiment on the effect of two such mulches (Trifolium repens L. and Agrostis capillaris L.) on the growth, yield, and fruit quality of three pear cultivars (‘Alfa’, ‘Dolores’, ‘Amfora’) in relation to herbicide fallow are presented. In the experiment, a single sowing of covering plants without additional treatments was used. A statistically significant reduction in yield (20–22%) was found for both mulches used, which was related to weakening the vegetative growth of trees. The average fruit mass did not change significantly, but the percent share of large fruits increased significantly (about 17%) in the A. capillaris mulch. Fruits from trees growing in T. repens contained significantly more soluble solids and Ca. However, that mulch became heavily infested with weeds after a few years. The obtained results allow us to recommend the use of the living mulch A. capillaris in the tree rows of a commercial pear orchard. The ‘Dolores’ and ‘Amfora’ cvs are particularly recommended. |
Influence of pre-harvest calcium spray on fruit quality of apple cultivars during cold storageOriginal PaperBoris Rilak, Ivan Gli¹iæ, Milan Lukiæ, Tomo Milo¹eviæ, Jelena Tomiæ, Mira MilinkoviæHort. Sci. (Prague), 2023, 50(4):262-274 | DOI: 10.17221/127/2022-HORTSCI Effect of pre-harvest calcium chloride (CaCl2) treatment on fruit quality attributes of three apple cultivars (‘Golden Delicious Reinders®’, ‘Granny Smith’ and ‘Red Chief’) at harvest and after two and four months of cold storage during two consecutive years was studied. Trees were sprayed four times starting from the beginning of June at 20-day intervals. After harvest, fruits were stored in a regular atmosphere (RA) for further analysis. Measurements included fruit weight, weight loss, firmness, total soluble solids (TSS), titrable acidity (TA), total sugars (TS), TS/TA, total phenolic content (TPC) and antioxidant activity (AA). CaCl2 had a positive impact on fruit firmness of all cultivars in both years. Higher values of TSS and TS of ‘Golden Delicious Reinders®’ were determined in CaCl2 treatment in both years. TSS, TS and TS/TA were increased by prolonging storage in ‘Red Chief’ in CaCl2 treatment and control, in both years. TSS and TS proved similarly stable in ‘Granny Smith’ during storage in CaCl2 treatment and control in the second year of examination, but a decrease of TA and TS/TA has been detected in both years of storage. The AA of cultivars ‘Golden Delicious Reinders®’ and ‘Red Chief’ was stronger affected by the storage compared to CaCl2 treatment. Through a comprehensive analysis of apple cultivars it can be concluded that pre-harvest application of CaCl2 in cultivars ‘Golden Delicious Reinders®’ and ‘Red Chief’ can be used to improve fruit quality during storage. |
Distribution of soil macroarthropods in differently using land parts of tropical rainforest Padang, IndonesiaOriginal PaperFenky Marsandi, Hermansah, Hidayatul Fajri, Wawan SujarwoPlant Soil Environ., 2023, 69(6):291-301 | DOI: 10.17221/389/2022-PSE Soil macroarthropods, as a component of the soil community, directly feel the impact of land use changes. Not only the density but understanding the soil macroarthropods distribution pattern will help in providing an insight into the quality of soil health. The sampling process was carried out using the pitfall trap methods on the forest, logged forest areas, mixed gardens, and monoculture gardens in the tropical rainforest of Bukit Pinang-Pinang Padang, Indonesia. The results showed that the forest as a natural habitat supported the density of soil macroarthropods among other land use types. The density in the forest, logged forest area, mixed garden, and monoculture garden sequentially is about 20.29, 13.18, 15.2 and 12.21 indv/m2. The presence frequency high value of soil macroarthropods was found in the forest, and for some soil macroarthropods, such as Hymenoptera, Diptera, and Araneits, the importance value increases when their habitat is disturbed. The fertile soil in intensive monoculture gardens does not support the individuals’ total number, types, and density of soil macroarthropods. On the other side, the dominant soil macroarthropods prefer disturbed soil conditions and will decrease their presence frequency if chemical compounds are introduced into the soil. Land use change in the Bukit Pinang-Pinang tropical rainforest area causes changes in the distribution pattern of soil macroarthropods. The changing tendency of distribution patterns in fragmented habitats is due to nutrient availability, limited resources and land treatment. Habitat fragmentation affects not only the abundance and density of individuals and types of soil macroarthropods but also the distribution pattern, which not only threatens their existence and the environment but also has the potential to regenerate. |
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Laying hen performance, feed economy, egg quality and yolk fatty acid profiles from laying hens fed live black soldier fly larvaeOriginal PaperKanda Lokaewmanee, Samonporn Suttibak, Rathanit Sukthanapirat, Ramin Sriyoha, Napapat Chanasakhatana, Somchai Baotong, Unchan TrithalenCzech J. Anim. Sci., 2023, 68(4):169-177 | DOI: 10.17221/174/2022-CJAS
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The influence of temperature on the biological activity of selected nematode species (Steinernematidae and Heterorhabditidae) under the conditions of their coexistenceOriginal PaperMagdalena Dziêgielewska, Krystian Kaczmarek, Katarzyna KrukPlant Protect. Sci., 2023, 59(2):193-201 | DOI: 10.17221/104/2022-PPS
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Influence of 11 years of crop residue management on rice productivity under varied nitrogen levels in the rice-wheat cropping systemOriginal PaperRajeev Kumar Gupta, Paramjit Kaur Sraw, Jasjeet Singh Kang, Jagroop Kaur, Anu Kalia, Vivek Sharma, Surjeet Singh Manhas, Nadhir Al-Ansari, Abed Alataway, Ahmed Z. Dewidar, Mohamed A. MattarPlant Soil Environ., 2023, 69(7):333-343 | DOI: 10.17221/68/2023-PSE The present study compares the six crop residue management techniques in main plots (since 2008) and three split nitrogen (N) levels, i.e., 75, 100 and 125 kg N/ha in subplots for rice crops for two years, i.e., 2019 and 2020, in sandy loam soil under field conditions. This experiment evaluated the long-term effect on rice productivity, soil organic carbon content and nutrient requirement in rice-wheat cropping system. The results revealed that different crop residue management practices and N levels significantly influenced rice growth, yield and yield attributes and improved nutrient uptake by grain and straw. Maximum grain yields of 20.8% and 17.8% higher over the conventional (no straw) treatment during 2019 and 2020, respectively, were recorded where the rice and wheat residue was retained or incorporated. The rice grain yield without residue responded significantly up to 125 kg N/ha. Whereas, with rice and wheat residue, rice grain yield did not respond to the application of N beyond 75 kg N/ha during both years. |
Identification of genes for leaf rust resistance in seedlings of wheat cultivars from the Yellow-Huai Basin in China and slow rusting observations in field trialsOriginal PaperHuali Yang, Wenda Diao, Xiaocui Yan, Takele-Weldu Gebrewahid, Zaifeng Li, Zhanjun YaoCzech J. Genet. Plant Breed., 2023, 59(4):219-234 | DOI: 10.17221/9/2023-CJGPB Wheat leaf rust is a devastating disease worldwide. Identification of leaf rust resistance genes in seedlings and of genes for slow rusting are important in resistance breeding and for gene deployment to control the disease. A total of 108 wheat cultivars from the Beijing and Shandong province and a set of 36 differentials, mostly near-isogenic lines in the background of Thatcher with known leaf rust resistance genes, were tested with 20 Puccinia triticina pathotypes (FHJS1, FGBQ,PGJQ, SHJT, FHGQ, PHTT1, FHGQ, FHGQ, PHJS, THSM, FHSQ, PHST, PRSQ, FNTQ, PHGM, KHGQ, PHTT2, TGTT, FHJS2, NHHT) at the seedling stage in the greenhouse. The cultivars and differentials were also planted in the field to test their slow rusting resistance using a mixture of races at Baoding, Hebei province and Zhoukou, Henan province, for two consecutive years. Ten leaf rust resistance genes, Lr1, 9, 10, 19, 20, 24, 26, 34, 37 and 46 were identified in the 57 commercial wheat cultivars, either singly or in combination, using molecular markers. Combined, the results from gene postulation and marker detection showed that one or more of the genes Lr1, 3, 10, 14a, 14b, 26, 36, 39, 34 and 46, were present in 57 cultivars, and that no known resistance gene was present in the remaining 51 cultivars. The resistance gene Lr26 was present in 42 cultivars, and nine cultivars contained Lr1. Lr46 was present in 10 cultivars, as indicated by the presence of the closely linked marker csLV46G22. Seven genotypes were identified as possibly carrying the gene Lr39. Lr3 and 10 were found in six and four genotypes, respectively. The ggenes Lr14b and 34 were each present in three cultivars, while evidence for the presence of Lr14a and 36 was obtained in single genotypes. Finally, 12 cultivars showed slow rusting resistance at two locations in two crop seasons. The identification of leaf rust resistance genes in Chinese wheat cultivars will be helpful for gene deployment to control leaf rust. |
Quo vadis, breeding for an efficient root system, in the era of climate change?ReviewTomá¹ Støeda, Jana Hajzlerová, Jhonny Alba-Mejía, Ivana Jovanoviæ, Nicole Frantová, Hana StøedováCzech J. Genet. Plant Breed., 2024, 60(4):181-211 | DOI: 10.17221/57/2024-CJGPB Despite all the complications that arise with root research, such as slow, laborious, and unclear genetics, roots are a promising object of interest for breeders because many root traits are compatible with high yield potential. It is a great challenge for further research that there is a wide demand for information on the “hidden half of plant metabolism” from many research fields. We have summarized the main obstacles in root system research and sketched a solution for breeding in field conditions so that the result was more meaningful to the farmer. (i) The most important challenge in root research is linking the functional identification of root system properties with the aboveground parts. (ii) Field breeding is irreplaceable, and methods allowing the evaluation of roots under field conditions are indispensable. (iii) Low heritability of root system trait discourages breeders. However, root properties show broad genotypic variability, allowing the efficient use of these traits as selection criteria. (iv) The root traits are variable, and many fluctuate under the influence of environmental factors, which complicates efforts to define ideotypes and explains the different conclusions obtained by researchers from different environments. The breeding programs targeting the root system are sporadic even in a global context. This is a great reserve for breeding progress in the era of climate change, water scarcity, a possible shift to extensive farming systems, and in the era of environmental programs. |
Chickpeas (Cicer arietinum L.) and oats (Avena sativa L.) pre-gelatinised flour for instant food productsOriginal PaperBruna Mayara Roldão Ferreira, Isadora Maria Melo Torres, Gabriel Sarache, Jean Lopes Silva, Claudia Cirineo Ferreira Monteiro, Benício Alves Abreu Filho, Carlos Eduardo Barão, Tatiana Colombo Pimentel (ORCID: 0000-0003-4Czech J. Food Sci., 2025, 43(4):246-254 | DOI: 10.17221/215/2024-CJFS Chickpeas and oats are rich in essential nutrients and bioactive compounds, such as phenolics and flavonoids. Extrusion technology enhances food digestibility, nutrition, and shelf life, thus meeting consumer demands. Instant food products are experiencing market growth due to advancements in processing technologies that cater to healthier ingredients. This study aims to evaluate pre-gelatinised flours produced through extrusion using different proportions of chickpeas and oats (100 : 0, 90 : 10, and 80 : 20) and compare them with their respective raw versions. The physicochemical properties, technological characteristics [Rapid Viscosity Analysis (RVA) and Water Absorption Index (WAI)], applications within the instant food industry, and their potential for acceptance were evaluated. The extruded flours showed lower moisture content and water activity – finally, their application in instant soups, mainly at 10%, increased consumer acceptance. Incorporating oats in the flours resulted in higher water activity, WAI, final viscosity, peak viscosity and pasting temperature. Our results demonstrate that flours with suitable physicochemical and technological properties could be obtained using chickpeas, oats, and extrusion. Its incorporation into instant soups resulted in products with suitable acceptance by consumers. |
Effect of ultrasound treatment on the quality and contents of polyphenols, lycopene and rutin in tomato fruitsOriginal PaperErik Gustavo Tovar-Pérez, Selene Aguilera-Aguirre, Ulises López-García, Maribel Valdez-Morales, Alma Karina Ibarra-Zurita, Rosa Isela Ortiz-Basurto, Alejandra Chacón-LópezCzech J. Food Sci., 2020, 38(1):20-27 | DOI: 10.17221/189/2019-CJFS The quality of tomato (Solanum esculentum L.) fruits is associated with their sensory characteristics and nutrient contents, among which are some secondary metabolites with biological activity. The aim of this study was to assess the effect of ultrasound (US) treatment on the quality and contents of polyphenols, lycopene and rutin in tomatoes after harvest. The application of US under controlled conditions of time and sonication amplitude (SA) induced a significant increase in polyphenol, lycopene and rutin contents in both the pulp and the skin of tomatoes at the beginning and end of the post-harvest evaluation period (0 and 6 days), standing out the 10 min 60% SA and 20 min 20% SA treatments. Additionally, with these treatments, no US effect was observed on the quality parameters (total soluble solids, titratable acidity, pH, firmness, and physiological weight loss). These results reveal that the US application to tomatoes is an attractive technology to increase the content of secondary metabolites in the fruit without affecting its quality. |
Field evaluation of a boron recycling fertiliserOriginal PaperOlivier Duboc, Konrad Steiner, Frank Radosits, Walter W. Wenzel, Walter Goessler, Alexandra Tiefenbacher, Peter Strauss, Herbert Eigner, Dietmar Horn, Jakob SantnerPlant Soil Environ., 2021, 67(2):110-119 | DOI: 10.17221/567/2020-PSE Boron (B) is a plant nutrient and a limited mineral resource. Therefore, secondary B sources such as end-of-life cellulose fiber insulation (CFI) should be preferred for B fertiliser production over primary borates. In addition, crop B fertilisation is challenging because B is only weakly adsorbed in soils and prone to leaching in particular if the soil pH is below 7. The objectives of this study were to assess the effect of pyrolysed CFI (B-Biochar) on crop B uptake in the field and on B leaching in a lysimeter study. B-Biochar was pyrolysed at 600 °C and tested (1) in a field experiment with maize (Zea mays L.) and sunflower (Helianthus annuus L.), and (2) in a lab microlysimeter experiment to study B leaching under simulated rainfall. In the field experiment, B concentration in plant tissue increased by up to 100% with B-Biochar compared to the control (from 29.6 to 61.6 mg B/kg in young sunflower leaves) and was only slightly lower (-10% to -20%) than with water-soluble Na-tetraborate (Borax). This lower uptake was attributed to the slow-release properties of the B-Biochar. In the lysimeter experiment, 41% and 55% of added B through B-Biochar was leached below 16 cm depth when fertilised with 1 and 2 kg B/ha, respectively, but B concentration of the leachate remained below the 1 mg B/L threshold value for drinking water in the European Union. In conclusion, CFI has a strong potential as a secondary B source for fertiliser production, and pyrolysis appears to be a suitable process for that purpose. During the processing of CFI to fertiliser, more focus should be given to slow B release in the future in order to reduce losses by leaching. |
Effect of endophytic bacterium, Stenotrophomonas maltophilia JVB5 on sunflowersOriginal PaperBartholomew Saanu Adeleke, Ayansina Segun Ayangbenro, Olubukola Oluranti BabalolaPlant Protect. Sci., 2022, 58(3):185-198 | DOI: 10.17221/171/2021-PPS Identifiable endophytic bacteria with plant growth-promoting traits promise to ensure sustainable agriculture. However, information on the versatility and exploration of sunflower-associated bacteria as bioinoculants is less studied. Here, we present the whole-genome sequence and annotation of Stenotrophomonas maltophilia JVB5 isolated from the sunflower root endosphere from the North West province, South Africa. The whole-genome analysis revealed a genome size of 4 771 305 bp, a sequence read count of 8 764 890, a 66% guanine-cytosine content, 57 tRNAs, 268 contigs, and 4 160 protein-coding genes with functions in various metabolic pathways. Pathways involved in the indole acetic acid production were found in the S. maltophilia JVB5 genome. The whole-genome annotation predicted notable genes involved in bacterial colonisation, antibiosis, and plant growth promotion. The predicted genes are involved in the sulfur metabolism, and the oxidative stress may enhance the plant growth promotion and boost plant the resistance to stress. Upon inoculation, S. maltophilia JVB5 efficiently colonised the sunflower root under greenhouse conditions with a significant improvement on the wet plant weight of 437.20 g compared to the uninoculated control with a 331.04 g wet weight. The genomic analysis revealing specific functional genes in the bacteria genome suggests their bioprospecting in agriculture. Hence, understanding the mechanisms employed by S. maltophilia JVB5 based on the predicted multifunctional genes will help harness their bioresource in sustainable plant health. |
Regulation of nitrogen balance and yield on greenhouse eggplant under biochar addition in MollisolOriginal PaperYao Wang, Meng Zhou, Meng Hou, Yimin Chen, Yueyu Sui, Xiaoguang JiaoPlant Soil Environ., 2022, 68(1):36-48 | DOI: 10.17221/393/2021-PSE Maintaining nitrogen (N) balance and inhibiting N leaching loss in the soil-crop system is crucial to maintaining yield and reducing the environmental pollution. This study investigated the effects of soil NO3--N content and accumulation, eggplant yield, N leaching and balance response to biochar addition, including regular fertilisation and irrigation (W + F), biochar addition with regular fertilisation and irrigation (W + F + B), and biochar addition with 20% fertilisation and irrigation reduction (0.8W + 0.8F + B) treatments. Compared with W + F, W + F + B and 0.8W + 0.8F + B increased soil NO3--N content in 0-40 cm and soil NO3--N accumulation in 0-20 cm, and raised harvest index, N surplus and balance. Simultaneously, 0.8W + 0.8F + B compared to W + F enhanced N use efficiency and N partial factor productivity, conversely, it decreased N dry matter production efficiency, N surplus and balance. Stepwise regression analysis demonstrated that the effect of NO3--N leaching lasted in 60 cm under biochar addition in the first year, and lasted in 20 cm without biochar application in the next year. Altogether, biochar addition with 20% fertilisation and irrigation reduction is the most suitable management strategy to decrease N surplus and leaching, and maintain eggplant N uptake in a two-year cycle system on greenhouse vegetables in Mollisols. |
Balancing data quality in predictive geochemical mapping using machine learning: A Czech regional case study on topsoil nickelOriginal PaperJan Skála, Daniel ®í¾ala, Robert MinaøíkSoil & Water Res., 2026, 21(2):89-97 | DOI: 10.17221/128/2025-SWR Machine learning makes geochemical mapping highly adaptable, as its data-driven nature allows predictions to evolve with new information. In this study, topsoil nickel (Ni) data were compiled from various sources, each with different sampling times and analytical methods. To effectively use such imbalanced data into spatial modelling, it was necessary to test how the data uncertainty propagated through the final maps. A comprehensive benchmark of the quantile random forest algorithm was conducted to identify conditions under which the model performs optimally. Predictive maps of topsoil Ni at a 20-metre resolution were subsequently generated and compared using a multi-faceted evaluation strategy. This approach assessed how model adjustments – particularly those addressing the uncertainty introduced by the regression-based conversion of legacy measurements – affected the performance. Extensive benchmarking revealed that while out-of-sample validation showed only modest improvements (e.g., root mean square error (RMSE) reduced from 12.6 to 11.2 mg/kg) when modifying training data, covariates, or algorithm parameters, the resulting prediction grids differed substantially. The analysis also demonstrated that output variability across model scenarios occurred at different spatial scales: weighting approaches had localised effects, whereas high variability in the input data propagated more broadly across the region. |
Genetic parameters for foot and claw disorders in Czech Holstein cattleOriginal PaperLudmila Zavadilová, Eva Ka¹ná, Zuzana Krupová, Miloslava ©típková, Michaela BrzákováCzech J. Anim. Sci., 2026, 71(1):11-20 | DOI: 10.17221/140/2025-CJAS
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Optimisation of polyphenol extraction from Chinese Baijiu distillers' spent grains: Stability and antioxidant capacityOriginal PaperCaihong Xu, Xi Chen, Ping Yang, Shengzhong Dong, Qingyu YangCzech J. Food Sci., 2026, 44(2):157-166 | DOI: 10.17221/64/2025-CJFS Chinese Baijiu distillers' spent grains (DSGs), a major byproduct of liquor production containing valuable polyphenols, face disposal challenges because of their high moisture content and rapid spoilage. In this study, an optimised cellulase-assisted extraction process was developed for DSG polyphenols (DGPs), and their stability and antioxidant capacity were comprehensively characterised. The extraction yield of DGP was determined as the primary response variable to evaluate the effectiveness of the process. A central composite design (CCD) was employed to optimise key operational parameters: enzyme concentration, enzyme temperature and liquid–solid ratio. Results demonstrated that the optimal process conditions were a cellulase dosage of 4.0%, an enzyme temperature of 50 ºC and a liquid–solid ratio of 40 mL·g−1, obtaining a polyphenol yield of 4.20 ± 0.10 mg·g−1. Stability assessment indicated that DGP retained 68.9 ± 1.8% of the phenolic content after 7 days of frozen storage at −18 ºC, exhibiting better preservation than storage under refrigeration (47.9 ± 2.1%) and room temperature (45.5 ± 3.2%) conditions. Antioxidant assays showed concentration-dependent (0.50–8.0 µg·mL−1) scavenging capacities for ABTS (IC50 = 6.0 µg·mL−1) and DPPH (IC50 = 2.8 µg·mL−1). These findings offer valuable insights for the transformation of distillery byproducts into functional food ingredients while simultaneously addressing the challenges of solid waste management in alcoholic beverage production. |
Exogenous selenium treatment promoted garlic (Allium sativum L.) growth and improved product qualityShort CommunicationChuandong Qi, Jie Zhou, Dan Peng, Qingqing Zhao, Fanghua Wu, Jinping Wu, Fengling GuoHort. Sci. (Prague), 2026, 53(1):70-80 | DOI: 10.17221/79/2024-HORTSCI Selenium is an essential trace element in the human body, mainly obtained from the daily diet. Producing selenium-rich agricultural products through selenium-rich cultivation is an important cultivation method. Selenium-rich agricultural products can effectively supplement the selenium element needed by the human body in daily life. In this study, we conducted research on selenium-rich cultivation techniques for garlic, and different concentrations of sodium selenite solutions were used for garlic field treatment. We tested the related agronomic traits, nutritional indicators, and selenium content of garlic sprouts and garlic bulbs. The yield of garlic sprouts (37.08 t/ha) and garlic bulbs (25.31 t/ha) and total selenium content of garlic sprouts (61.00 μg/kg) and garlic bulbs (2 930.00 μg/kg) of T3 treatment (120 mg/L Na2SeO3) were significantly increased, compared with the yield of garlic sprouts (30.66 t/ha) and garlic bulbs (20.90 t/ha) and total selenium content of garlic sprouts (6.33 μg/kg) and garlic bulbs (75.00 μg/kg) of the control (CK). Furthermore, selenium treatment improved the activity of antioxidant enzymes and reduced the accumulation of reactive oxygen species (ROS) in garlic sprouts during winter, and promoted the absorption of soil nutrients by garlic. Taken together, our research indicates that garlic, especially garlic bulbs, has strong selenium-rich ability, and selenium-rich cultivation techniques could significantly improve the yield and quality of garlic products. |
Dietary yeast culture supplementation improves meat quality and fat metabolism-related gene expression in lambsOriginal PaperJun Xiao, Xue Han, Wei Zhao, Xin Li, Zhiwen Xuan, Zhibao Wang, Qing He, Yang Gao, Tingwei Wang, Songze Li, Yuanhong Xia, Tao Wang, Zhe Sun, Yuguo Zhen, Xuefeng Zhang, Xue ChenCzech J. Anim. Sci., 2026, 71(4):180-189 | DOI: 10.17221/96/2025-CJAS
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Pedigree analysis of the Lipizzan horse populations from Bosnia and Herzegovina and Serbia: Structure, inbreeding and genetic variabilityOriginal PaperBiljana Rogic, Ljuba Strbac, Sladjana Preradovic, Bozo VazicCzech J. Anim. Sci., 2022, 67(12):483-492 | DOI: 10.17221/122/2022-CJAS The aim of this study was to evaluate population parameters and to describe the genetic variability in the Lipizzan horse populations from stud farms in Bosnia and Herzegovina (BH) and Serbia (SRB), reported for the first time in the literature. Pedigree data were collected from the national studbooks. Pedigree data for 2 521 horses were used in the analysis, for a reference population covering live animals in the current population. The average generation interval was 10.78 ± 0.36 (BH) and 12.12 ± 0.59 (SRB) years. The equivalent complete generations ranged from 5.49 (BH) to 14.86 (SRB). The average inbreeding values were 3.96 (BH) and 2.12 (SRB), whereas the average relatedness values were 9.24 (BH) and 4.13 (SRB). Values for fe, fa, fg and the fe/fa ratio were 21, 12, 6.031 and 1.75 in BH Lipizzan horses, and 79, 20, 9.766 and 3.95 in SRB Lipizzan horses. The number of ancestors explaining 50% of genetic diversity in the BH and SRB reference populations was five and eight, respectively. The effective population sizes obtained from regression on the birth dates were 43.67 (BH) and 211.78 (SRB). The investigated genetic variability parameters were higher in the SRB Lipizzan population than in the BH population. The results of pedigree and genetic structure research indicate the need for a comprehensive approach to monitoring to improve future breeding and genetic diversity in the BH and SRB Lipizzan populations. |
