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Porcine model of a complicated skin and soft tissue infection caused by Pseudomonas aeruginosaOriginal PaperB Lipovy, L Vacek, D Polastik Kleknerova, E Jeklova, L Liskova, J Holoubek, D Matyskova, F RuzickaVet Med - Czech, 2024, 69(6):191-197 | DOI: 10.17221/25/2024-VETMED Pseudomonas aeruginosa poses a significant threat to both immunocompetent and immunocompromised individuals, often resulting in life-threatening infections. With increasing antimicrobial resistance, novel therapeutic strategies are urgently needed. Although animal models are crucial for preclinical studies, limited data are available for porcine models, more specifically for P. aeruginosa complicated skin and soft tissue infections (cSSTIs). This study presents a novel porcine model inducing and sustaining cSSTI for 14 days. Six pigs (120 wounds) were used for the development of infections, and within this group, two pigs (40 wounds) were used to evaluate the progression of the cSSTI infection. The model demonstrated bacterial loads of more than 107 CFU/gram of tissue or higher. The cSSTI fully developed within three days and remained well above these levels until day 14 post-infection. Due to the immunocompetence of this model, all the immunological processes associated with the response to the presence of infection and the wound healing process are preserved. |
Investigations on identification of pests in horticultural crops under greenhouse conditionsOriginal PaperShanthi Chinnasamy, Revathy BaskarHort. Sci. (Prague), 2024, 51(2):75-84 | DOI: 10.17221/158/2022-HORTSCI The early detection of pests in plants and crops is essential for the production of good quality food. Computer vision techniques can be applied for the early detection of pests and which can minimise the pesticides used on the plants. Among many pests, white flies, mites, aphids and thrips are the most hazardous pests that affect the leaves. This paper presents an automated approach for the detection of different types of pests from leaf images of plants. The images of the plant leaves were acquired using a digital camera. Image pre-processing techniques, such as noise removal, filtering and contrast enhancement, are used for improving the quality of the images. Then, the k-means clustering method and global thresholding were used for segmenting the pests from the infected leaves. Textural features are extracted from those segmented images by statistical feature extraction methods. Artificial Neural Network (ANN) and Binary Support Vector Machine (SVM) classifiers were used to classify the unaffected leaf images from the pest affected leaf images and a multi-SVM classifier was used to identify the different types of pests. |
Chokeberry (Aronia melanocarpa) as natural antioxidant for the meat industryOriginal PaperAndrea Mesáro¹ová, Marek Bobko, Luká¹ Jurèaga, Alica Bobková, Katarína Poláková, Al¾beta Demianová, Judita Lidiková, Ondøej Buèko, Andrea Mendelová, Tomá¹ TóthCzech J. Food Sci., 2024, 42(3):184-191 | DOI: 10.17221/38/2024-CJFS Aronia melanocarpa is one of the many fruit types rich in polyphenolic compounds. Therefore, we used this fruit in our research as a possible natural antioxidant, which was added to pork sausages. Four groups were prepared: control group, a group with ascorbic acid, and groups with 3 and 5 mL·kg–1 of chokeberry extract. During storage, we monitored changes in pH, colour, texture and oxidative stability of pork sausages and sensory evaluation. We did not observe any negative effects of the extract on the quality of pork sausages during storage. Regarding oxidative stability, the lowest increase in malondialdehyde (MDA) was observed in the group with 5 mL·kg–1 of chokeberry extract, which was comparable to the group with ascorbic acid. |
Whole-genome sequencing revealed the population structure of Fujian chicken breedsOriginal PaperZhiming Zhu, Linli Zhang, Qingwu Xin, Li Li, Zhongwei Miao, Qinlou Huang, Nenzhu ZhengCzech J. Anim. Sci., 2024, 69(8):323-330 | DOI: 10.17221/91/2023-CJAS Indigenous chicken breeds from Fujian Province, China, exhibit unique and distinctive phenotypic characteristics, including morphology, behaviour, integumentary pigmentation, feather colouration, and production performance. However, the underlying genetic basis governing these specific traits remains unclear. This study aimed to elucidate the population structure of six Fujian local chicken breeds [Bairong chickens (BRCs), Jinhu chickens (JHCs), Minqing chickens (MQCs), Dehua chickens (DHCs), Xiangdong chickens (XDCs), and Hetian chickens (HTCs)] in terms of their genetic resources within the province. The whole-genome resequencing revealed 8 678 612 single nucleotide polymorphisms (SNPs) in a cohort of 36 chickens. The results revealed a partial mismatch between the clustering patterns and geographic distributions of the six populations, with BRC displaying a noticeable genetic divergence from other chickens. Moreover, the genetic distance between XDC and HTC in Longyan County was relatively close and converged with JHC, MQC, and DHC into a subgroup. These findings provide a comprehensive understanding of the intrinsic characteristics and utilisation prospects of chicken germplasm resources in Fujian Province. |
Effect of debranching enzyme hydrolysis and microwave treatments on the resistant starch enrichment of breadfruitOriginal PaperThanh Le, Trang Tran, Tuyen Kha*Czech J. Food Sci., 2024, 42(1):1-9 | DOI: 10.17221/136/2023-CJFS
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Induction of direct somatic embryogenesis and genetic stability of somatic embryo-derived plants of broccoliShort CommunicationSuzana Pavloviæ, Jelena Damnjanoviæ, Zdenka Girek, Lela Beliæ, Milan UgrinoviæCzech J. Genet. Plant Breed., 2024, 60(1):50-54 | DOI: 10.17221/26/2023-CJGPB The influence of the developmental stage of zygotic embryos and the composition and pH of the Gamborg induction medium B5 on the initiation and development of somatic embryos was investigated. The optimal medium was B5 medium with a pH value of 5.0 and without plant growth regulator, at which the highest frequency of somatic embryogenesis (56.67%) and the highest average number of somatic embryos per explant (3.35) were achieved. Somatic embryos appeared directly on the hypocotyls of the explants, without the callus stage. On zygotic embryos in the early cotyledonary phase, three times higher regeneration was achieved compared to larger embryos in the cotyledonary phase. The induction of somatic embryogenesis did not occur during the growth of explants on the medium containinig 2,4-dichlorophenoxyacetic acid, nor on zygotic embryos in the late cotyledonary phase. Random amplified polymorphic DNA analysis showed the genetic stability of somatic embryo-derived plants, which makes this newly established protocol suitable for the regeneration and propagation of desirable broccoli genotypes. |
Effects of foliar application of amino acid-chelated selenite on photosynthetic characteristics of peanut (Arachis hypogaea L.) leaves at the podding stageOriginal PaperYing Wang, Qing Zhu, Zhiwei Wang, Junpei Wang, Zhen Wang, Feiyan Yu, Lianhe ZhangPlant Soil Environ., 2024, 70(1):17-25 | DOI: 10.17221/406/2023-PSE Foliar application of selenium (Se) is an effective measure to increase Se concentrations in peanut pods. However, how the foliar application of amino acid-chelated selenite affects the photosynthetic characteristics of peanut leaves at the podding stage is still unclear. Here, the effects of Se on the activities of antioxidant enzymes, the concentrations of chlorophyll, soluble protein, soluble sugar, and reduced glutathione (GSH), photosynthetic parameters, and Se concentration of peanut leaves were investigated by spraying selenite, L-lysine-chelated selenite, and amino acid-chelated selenite solutions, respectively. The results indicated that foliar application of Se could significantly increase leaf Se concentration. The net photosynthetic rate (Pn), stomatal conductance (gs), and transpiration rate (Tr) of leaves were significantly higher than those in the control. However, peanut leaves’ intercellular CO2 concentration (ci) decreased significantly. Further study found that the concentrations of chlorophyll, soluble protein, soluble sugar, and GSH in peanut leaves increased significantly, and the activities of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) in peanut leaves were significantly higher than those in control. However, there were no significant differences between the foliar application of selenite, L-lysine-chelated selenite, and amino acid-chelated selenite. Thus, foliar application of selenite, L-lysine-chelated selenite, and amino acid-chelated selenite could effectively enhance the photosynthetic functions of peanut leaves, which was closely associated with the improvement of antioxidant enzyme activities and the concentrations of soluble sugar, soluble protein, and GSH, resulting in inhibiting chlorophyll degradation and improving the photosynthetic functions of peanut leaves. |
The relationship of soil sulfur with glomalin-related soil protein and humic substances under different mineral and organic fertilisationOriginal PaperPavel Suran, Jiøí Balík, Martin Kulhánek, Ondøej Sedláø, Jindøich ÈernýPlant Soil Environ., 2024, 70(2):93-100 | DOI: 10.17221/493/2023-PSE In recent years, sulfur inputs into the soil have greatly diminished due to the significant decrease in SO2 emissions. Plant nutrients, like sulfur, can be released by the mineralisation of soil organic matter (SOM), which is a complicated mixture of substances (or fractions) like glomalin-related soil protein (GRSP) and fulvic acids (FA), humic acids (HA), humic substances (HS) and others. GRSP, FA, HA, and HS content, as well as the content of mineral and organic fractions of sulfur, was determined in different mineral and organic fertiliser treatments of the long-term field experiment. Using these results, the sulfur content in GRSP was calculated based on the soil’s organic matter carbon and soil’s organic bound sulfur (CSOM/SORG) ratio. Sulfur content in GRSP was 4.08–5.46 (easily extractable GRSP), 9.77–15.7 (difficultly extractable GRSP), and 13.9–21.1 (total GRSP) mg S/kg of soil. Overall, the application of the organic fertiliser caused an increase in S content bound to GRSP. A strong significant relationship was also observed between GRSP fractions and soil organic sulfur. A similar relationship was also observed for the HA and HS with organic sulfur. |
The predators of aphids on apples in the region East Sarajevo (Bosnia and Herzegovina)Original PaperDejana StanicPlant Protect. Sci., 2024, 60(1):97-105 | DOI: 10.17221/64/2023-PPS Predators of aphids on apples were studied during the growing season in 2021 and 2022 in the region of East Sarajevo, Bosnia and Herzegovina. Eleven predator species were found on eight apple cultivars in the colonies of three aphid species, Aphis spp., Dysaphis plantaginea Passerini and Dysaphis devecta Walker. Seven species were identified from the family Syrphidae: Episyrphus balteatus (De Geer), Meliscaeva (Episyrphus) auricollis (Meigen, 1822), Eupeodes flaviceps (Rond.), Eupeodes corolae (Fabr.), Scaeva pyrastri (L.), Syrphus ribesii (L.) and Syrphus vitripennis Mg. The larvae of syrphids were more numerous in the Kula location, 99 (52 in 2021 and 47 in 2022), while their number in the Klek location was 59 (35 in 2021 and 24 in 2022). The most abundant species was E. balteatus (40.50%), followed by E. flaviceps (12.65%), S. ribesii (10.75%), M. auricollis (10.12%), S. pyrastri (10.12%) and S. vitripennis (6.96%). The family Coccinellidae is represented by three species: Adalia bipunctata L., Coccinella septempunctata L., and Harmonia axyridis Pallas. From the family Cecidomyiidae, one species Aphidoletes aphidimyza (Rondani), was detected. The largest number of predatory species (nine) was found on the Idared cultivar (in D. plantaginea colonies), where the colonies of this aphid species were the most abundant. The least numerous predatory species were identified on the Gloster cultivar in D. devecta and Aphis spp. colonies. E. balteatus was the most common and numerous of all the predatory species. |
Characteristic of soil moisture utilisation with different water-sensitive cultivars of summer maize in the North China PlainOriginal PaperHaoze Zhang, Mingliang Gao, Fuying Liu, Huabin Yuan, Zhendong Liu, Mingming Zhang, Quanqi Li, Rui ZongPlant Soil Environ., 2024, 70(4):210-219 | DOI: 10.17221/401/2023-PSE Summer maize cultivars are differently sensitive to soil moisture. To better understand the differences in water productivity of summer maize cultivars with different water sensitivity, a field experiment was conducted from 2020 to 2022. Three different water-sensitive summer maize cultivars were selected, including TY808 (high water-sensitive cultivar), DH605 (medium water-sensitive cultivar), and ZD958 (low water-sensitive cultivar). Soil water content (SWC), soil water storage (SWS), water consumption, water use efficiency, and grain yield were determined. The results showed that under rainfed conditions, the SWC of the medium water-sensitive cultivar DH605 in the deep soil layer was 2.1–18.2% lower than TY808 and ZD958, respectively, and the differences were significant in the 12th leaf stage (V12) and vegetative tassel stage (VT). The SWS of the high-water-sensitive cultivar TY808 was 0.7% to 6.4% higher than the other two water-sensitive cultivars from 2020 to 2022. The changes in SWS are related to the spatiotemporal distribution of precipitation. The water consumption of DH605 was higher than TY808 and ZD958 by 5.3% and 7.09% in 2020 and 2.9% and 2.8% in 2021; in 2022, DH605 is 2% higher than ZD958 and 2.8% lower than TY808, respectively. The yield of DH605 was 4.3–10.78% higher than the other two cultivars in the three-year experiment. Additionally, the 1 000-kernel weight of DH605 was the highest in TY808 and ZD958. DH605 has the highest water use efficiency, which was increased by 4.8–14.6% compared to TY808 and ZD958. Through path analysis, we found that the direct path coefficient of SWS in the VT stage on yield reached 0.999, indicating that soil moisture in the VT stage has the greatest impact on yield, followed by the blister stage (R2). In conclusion, our results suggest that the water consumption of summer maize during the VT stage is the highest, and the soil moisture condition in VT significantly affects the grain yield of summer. Planting DH605 in the North China Plain would harvest the maximum grain yield and water productivity. |
Malting quality molecular markers for barley breedingOriginal PaperLeona Lei¹ová-Svobodová, Vratislav Psota, Marta Zavøelová, Martin Køí¾, Pavel Maøík, Zdenìk NesvadbaCzech J. Genet. Plant Breed., 2024, 60(2):70-78 | DOI: 10.17221/72/2023-CJGPB Barley is one of the world’s most important crops. Barley is used for both food and feed and is important for the production of malt. Malt quality is a complex function of barley genetics, environmental conditions during barley growth, and the technological aspects of the malting process. Due to the high heritability of more than half of the malting parameters, barley can be bred for malting quality. Marker-assisted selection (MAS) is a good way to speed up the breeding process. In this study, nine molecular markers were used to screen 115 barley varieties and breeding lines over a four-year period. The results were compared with malting quality parameters. Multicomponent correlation analysis showed a good correlation (R = 0.63; P ≤ 0.01) between marker screening results and malting quality parameters. In 93 genotypes (80.9%), agreement was found between molecular marker prediction and malting quality determination. Differences between molecular marker screening and malt quality parameters and possible improvements are discussed. The use of molecular markers in MAS is highly appreciated by barley breeders. |
High percentage of morphological defects in sperm of the Zemplin rabbit breed: A major obstacle to fertility?Original PaperJakub Vozaf, Andrea Svoradová, Jaromír Va¹íèek, Lucia Olexiková, Andrej Balá¾i, Hana Ïuránová, Alexander Ostró, Silvia Toporcerová, Peter ChrenekCzech J. Anim. Sci., 2024, 69(5):191-199 | DOI: 10.17221/29/2024-CJAS This research investigates the high prevalence of morphological defects in the sperm of a particular rabbit breed, namely the Zemplin rabbit (ZR). We tried to uncover the possible causes and consequences of the observed abnormalities. Ejaculate samples from ten adult males were divided into two qualitative groups according to the motility parameters revealed by CASA (computer-assisted sperm analysis). Group A contained samples with total motility (TM) above 50% and progressive motility (PM) above 30%. Group B contained samples with TM and PM below these values. Viability (SYBR-14/DRAQ5TM and SYTOXTM Green/DRAQ5TM staining) and apoptosis (YO-PRO TM-1/DRAQ5 TM stainig) analyses through flow cytometry served as an additional insight into the characteristics of the qualitative groups. In both cases, we noted significant differences (P < 0.05) between groups which corresponded to motility values. Both groups showed an increased incidence of abnormal spermatozoa, and we did not observe any significant differences between them. Simultaneously, we assessed the practical implications of these sperm defects on artificial insemination (AI), and also, we did not notice any significant differences in these parameters. The use of transmission electron microscopy enhanced our understanding of the morphological defects at the ultrastructural level. In summary, the study provides an understanding of the qualitative differences in rabbit semen, highlighting variations in quality parameters. While these differences exist, they may not necessarily translate into significant variations in AI outcomes. Our study shows higher values of cytoplasmic droplets in ZR semen, but it also shows that these conditions do not necessarily mean a fundamental obstacle to fertility in the case of AI. |
Biostimulants and herbicides shape the structure of potato tuber yieldOriginal PaperKrystyna Zarzecka, Marek Guga³aPlant Soil Environ., 2024, 70(7):468-473 | DOI: 10.17221/103/2024-PSE The aim of the study was to assess the impact of three biostimulants and a herbicide on selected unit parameters of potato yield. The research results came from a three-year field experiment that was established using the randomised sub-blocks method in three replications. In the experiment, two cultivars of edible potato were grown and the yield-protective effect of treatments was assessed: (1) control object without protection with preparations; (2) herbicide clomazone + metribuzin; (3) biostimulant PlonoStart and herbicide clomazone + metribuzin; (4) biostimulant Aminoplant and herbicide clomazone + metribuzin, and (5) biostimulant Agro-Sorb Folium and herbicide clomazone + metribuzin. As a result of the limited competition of weeds in the objects with the use of biostimulant and herbicide, a higher average weight of one potato tuber, a higher share of commercial tubers > 35 mm and a higher share of large tubers > 50 mm was obtained compared to the control object. The highest average weight of one tuber (108.2 and 85.4 g, respectively) and the highest share of commercial (97.1 and 96.3%, respectively) and large tubers (60.6 and 60.5%, respectively) were obtained in the objects where the Agro-Sorb Folium biostimulant + Avatar 293 ZC herbicide were used. and PlonoStart + Avatar 293 ZC. The correlation analysis confirmed a significant negative relationship between the number of weeds and average weight of one potato tuber, share of commercial tubers and share of large tubers. Weather conditions during the conduct of the research also significantly differentiated weed numbers and quality parameters of potato yield. |
Melanocytic cutaneous lesions in Sus ibericus, are these a cause for meat condemnation?Short CommunicationJ Castanho, J Catarino, L Pedroso, A Alvarado, S RamosVet Med - Czech, 2024, 69(7):254-259 | DOI: 10.17221/5/2024-VETMED The Alentejano pig (Sus ibericus) is an autochthonous breed of swine from Portugal phylogenetically close to the Iberian breed that is known to develop melanocytic lesions. In this study, 34 melanocytic skin lesions were identified and collected from Alentejano pigs slaughtered for human consumption for further routine histologic assessment. The samples were classified into 4 age ranges: 1 (1 to 6 months), 2 (7 to 12 months) 3 (13 to 24 months), and 4 (more than 25 months). All the lesions were considered benign after the histopathological assessment, of which 52.9% and 47.1%, were classified as melanosis and melanocytomas, respectively. Regarding the age ranges, a statistical difference between the groups was observed, indicating that the probability of melanosis presentation was higher at the age range 4 and for melanocytomas at the age range 3. While no malignant lesions were observed in this study, it was concluded that benign melanocytic lesions are commonly found in Alentejano pig carcasses. Further research is necessary to accurately distinguish between malignant and benign lesions, which is crucial for official veterinarians to make decisions regarding meat approval or condemnation. |
Rediscovery of tospovirus vector Dictyothrips betae (Thysanoptera: Thripidae) in Slovakia after 72 years – Short CommunicationShort CommunicationMichaela Me¹ková, Martina Zvaríková, Rudolf Masaroviè, Jozef Balcerèík, Peter FedorPlant Protect. Sci., 2024, 60(4):407-410 | DOI: 10.17221/106/2024-PPS The new record of Dictyothrips betae Uzel, 1895 (Thysanoptera: Thripidae) after 72 years in Slovakia is presented. Dictyothrips betae is an important pest and one of the few thrips species known as vectors of dangerous plant tospoviruses, causing severe yield losses to economically important crops worldwide. D. betae was swept from an herbal layer in blown dunes in SW Slovakia. |
Comparative evaluation of high pressure processing and thermal pasteurisation on phytochemicals, microbial and sensorial attributes of sweet cherry (Prunus avium L.) juiceOriginal PaperToheed Ahmad, Hafiz Muhammad Shahbaz, Khalid Saeed, Sanaullah Iqbal, Habib RehmanCzech J. Food Sci., 2024, 42(6):405-414 | DOI: 10.17221/77/2024-CJFS
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The effect of ellagic acid on rabbit sperm in vitro parameters after cryopreservationOriginal PaperJovana Grba, Lenka Ku¾elová, Alexander Makarevich, Andrej Balá¾i, Sa¹a Dragin, Dragana Tekiæ, Peter ChrenekCzech J. Anim. Sci., 2024, 69(3):110-117 | DOI: 10.17221/142/2023-CJAS Cryopreservation reduces the antioxidant activity of spermatozoa and makes them more sensitive to damage caused by reactive oxygen species (ROS). The addition of antioxidants to the freezing medium could prevent cryo-damage by mitigating the harmful effects of ROS and, thus, protecting the spermatozoa. This study aimed to evaluate the effect of ellagic acid (EA) on the rabbit sperm traits after freezing-thawing. Semen samples collected from New Zealand White rabbit males were cryopreserved in a BotuCrio freezing medium (Nidacon, Sweden) supplemented with different concentrations of ellagic acid (EA at 0, 0.5, 1.5 and 2.5 mM) using the manual slow freezing procedure. After thawing, sperm motility parameters were evaluated by CASA. The parameters of viability (DRAQ7), apoptosis (Yo-Pro-1), acrosome integrity (peanut agglutinin; PNA), intracellular ROS (CellROX) and mitochondrial activity (MitoTracker) were evaluated by flow cytometry. EA added to the freezing medium at all concentrations led to a significant reduction (P < 0.05) in intracellular ROS in frozen-thawed sperm cells. However, this effect was not reflected in motility parameters. Semen supplemented with 1.5 mM EA also yielded a lower proportion of apoptotic cells compared to the control group. In conclusion, EA supplementation of semen extender demonstrated its antioxidative properties protecting spermatozoa against oxidative damage during cryopreservation. Nevertheless, to draw a definitive conclusion regarding the effect of EA on spermatozoa functionality, additional research is necessary. |
Effect of partial root-zone drying on grafted tomato in commercial greenhouseOriginal PaperBranimir Urliæ, Marko Runjiæ, Katja ®aniæ, Marija Mandu¹iæ, Gabriela Vuletin Selak, Igor Paskoviæ, Gvozden DumièiæHort. Sci. (Prague), 2020, 47(1):36-44 | DOI: 10.17221/130/2018-HORTSCI For two years, the tomatoes (cv. 'Belle' and 'Clarabella'), ungrafted, self-grafted and grafted onto the 'He-man' rootstock, were grown under two irrigation regimes, i.e., partial-root zone drying (PRD) and fully irrigated (FI), to investigate whether grafting can alleviate drought stress and promote water-use efficiency (WUE). The grafted plants under the FI regime had the highest vegetative growth, which was the result of more leaves and greater leaf area and were only significantly different from the PRD grown ungrafted plants. The grafted plants had the highest yield as a result of the greater number of larger fruits and the yield did not differ between the irrigation treatments. No differences were found in the leaf NPK concentrations, while the Ca and Mg were higher under the PRD regime. The ungrafted plants under the PRD regime had the highest total soluble solids and acidity in the fruit juice. The grafted plants had a significantly higher WUE, more pronounced in the PRD regime. The different types of irrigation did not influence the vegetative growth and the yield in the greenhouse grown grafted tomato. The PRD and rootstock effects should be additionally investigated with deficit irrigation. |
The varying promotion effects of fulvic acid with different molecular weights on the enhancement of grain yield and quality of winter wheatOriginal PaperYuanyuan Liang, Zeping Wang, Qiuzhe Shi, Fang Li, Zunkang Zhao, Yanlai Han, Yi WangPlant Soil Environ., 2023, 69(4):141-151 | DOI: 10.17221/391/2022-PSE This study aims to verify the application effect of Fluvic acid (FA) with different molecular weights (MW) on the growth and quality of winter wheat. FA extracted from lignite was divided into 3 MWs (W1≤3000 D, 3000 D<W2≤10000 D, and W3>10000 D) by dialysis, and its structure was analyzed. Three application rates were set for each MW FA in the pot experiment, which were 10, 25 and 50 mg/kg in soil, respectively, and water was the control. There were significant interactive effects of MW and application rates of FAs. Compared with the control, all the FA treatments significantly increased grain yields, nitrogen uptake efficiencies, grain iron concentration, and soil available nitrogen concentration. Heatmap analysis revealed that the W1C2 (10 mg/kg W1) treatment had the most significant impacts for all analyzed indexes, whereas W3C3 (50 mg/kg W3) showed the weakest impacts. The results showed that at a low application rate (10 mg/kg in soil), the promotion effects of the three MW FAs were similar. W1 showed the most significant promotion effects, which was attributed to the combined effects of its lower MW and functional group characteristics. |
Inoculation with Bacillus alters nitrogen uptake and metabolism in roots of Diospyros lotus under wheat straw addition in soilOriginal PaperPeng Zhang, Fengge Hao, Zitan Zhu, Dongmei Lang, Huiling HuPlant Soil Environ., 2023, 69(10):463-470 | DOI: 10.17221/225/2023-PSE
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Molecular hydrogen content of different dietary supplementsShort CommunicationSergej Ostojic, Milan VranesCzech J. Food Sci., 2024, 42(2):136-140 | DOI: 10.17221/16/2024-CJFS
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Identification of tomato circular RNAs in response to Botrytis cinereaShort CommunicationLinlin Li, Jiaxing Sun, Hong Yang, Xiaodong Sun, Yantao Song, Ran Hao, Guozhong LyuHort. Sci. (Prague), 2024, 51(1):68-74 | DOI: 10.17221/162/2022-HORTSCI Botrytis cinerea is one of the main pathogens that harm the tomato yield and cause huge economic losses worldwide. Studies of circRNAs in response to the stress caused by pathogens have received more and more attention in tomato and other model crops. In this study, four groups were treated with ZaoFen (ZF), CuiLi (CL) (susceptible and tolerant genotypes to B. cinerea, respectively), ZFBc, CLBc (48 hour response to a B. cinerea infection). A total of 918 circRNAs were identified, among which exonic circRNAs (70.70%) accounted for the majority of them, and 118 circRNAs (12.85%) were located in chr1. A total of 18 (1.96%) circRNAs were shared among the four libraries. A total of 6 circRNAs showed fold changes in the differential expression analysis between the time and cultivar control groups, and circRNA115, circRNA145 and circRNA223 repeatedly appeared in the different control treatments. Notably, the gene targeted by circRNA115 was an ethylene-forming enzyme. At the same time, we predicted the target genes of the six circRNAs obtained in the study, and a total of 319 miRNAs were predicted. This study contributes to the mechanism in response to B. cinerea stress in the tomato, and paves the way for the further study of circRNAs under tomato pathogen stress. |
Enhancement of semolina pasta with carob molasses pulpOriginal PaperSerpil Yalim Kaya, Sevcan İlhan, Özlem İstanbulu PaksoyCzech J. Food Sci., 2024, 42(2):109-117 | DOI: 10.17221/152/2023-CJFS This study aimed to determine the effect of carob molasses pulp flour (CMP) at 5.0, 7.5, and 10.0% on the chemical composition and properties of eggless semolina pasta in terms of colour, nutritional value, cooking quality, and sensory properties. As presumed, carbohydrate and energy values of CMP-added pasta (carbohydrates 73.31–77.40%) were lower than the control (82.17%), whereas dietary fibre values were up to 4 times higher (8.18–12.60% vs. 3.71%). There was not a significant difference in the amount of fat (0.48–0.70%), optimum cooking time (6.56–7.06 min), or cooking loss (10.43–12.57%) of CMP-added pasta compared to the non-enriched counterpart (P > 0.05). All formulations were sufficient in terms of sensory properties; colour shift occurred in the direction from standard yellow to the dark brown area. The results showed that even the maximal tested dosage of the CMP equal to 10.0% could produce pasta with satisfying overall quality. |
The disease quantification analysis of cotton Verticillium wilt using the two methods of disease index and fungal biomass present high consistencyOriginal PaperHe Zhu, Yue Li, Xiao-Bin Ji, Dan-Dan Zhang, Jie-Yin Chen, Xiao-Feng Dai, Zi-Sheng Wang, Dan WangPlant Protect. Sci., 2024, 60(2):161-171 | DOI: 10.17221/109/2023-PPS Verticillium dahliae is a broad host-range pathogen that causes vascular wilt in plants. The Verticillium wilt disease severity assay on plants caused by V. dahliae mainly includes two methods, one is a plant disease grade classification based on disease severity statistics [namely the disease index (DI)], and the other is the V. dahliae biomass quantification in plants (namely the fungal biomass). In this study, the relationships of pathogenicity with the DI, pathogenicity with the biomass, and the correlation analysis of the DI and relative fungal biomass were analysed. The results showed that pathogenicity assessment of V. dahliae strains using the DI method was able to give an intuitive reflection of the pathogenic ability for defoliating and non-defoliating strains; moreover, the method of quantitative PCR for fungal biomass also had high repeatability and stability. As a whole, the correlation coefficient between the DI and fungal biomass values of 28 strains was 0.728, indicating that the two data sets were highly correlated; however, the correlation coefficients of the defoliating strains and non-defoliating strains were only 0.5384 and 0.4547, respectively. In conclusion, the correlation coefficient between the DI and the fungal biomass presented high consistency, which could provide some meaningful exploration for the more accurate pathogenicity identification of V. dahliae. |
Innovations in the methodological approach to quantifying and evaluating the supported effects of forests for recreational and educational ecosystem servicesOriginal PaperZdenìk Odvárka, Jitka MeòházováJ. For. Sci., 2024, 70(5):235-248 | DOI: 10.17221/13/2024-JFS The paper deals with a new method of innovative assessment of the supported effects and ecosystem services of forests using the actual amount of their increased costs. Among the most important research findings and significance of the new method is that it contributes to the body of knowledge on valuation and payment for ecosystem services. The focus of the research task is to help address the current difficult economic situation of forest owners resulting from the impacts of climate change. The study aims to determine what work quantifies the amount of compensation for the provision of supported ecosystem services that is sufficient for owners by using hypothesis testing. The evaluation of the supported effects was carried out in a case study in the area of the Chrudim-Podhùra Recreational Forests in the Czech Republic. The results of the evaluation were quantified in two experimental spreadsheets of the results, a comparative analysis of the evaluation results was performed, and hypothesis testing was conducted. The innovative methodological approach to the assessment of supported effects can be easily modified and used to assess the actual amount of increased costs of other ecosystem services of the forest. |
Accuracy and reliability of tibial torsion measurement using radiography and ultrasound in dogsOriginal PaperM Jeong, K Kwack, J Kim, Y Yu, S HeoVet Med - Czech, 2024, 69(12):427-436 | DOI: 10.17221/50/2024-VETMED Tibial torsion assessment is crucial for understanding deformities and malalignments that can lead to joint pathologies in dogs. Different methods such as radiography, computed tomography (CT), and three-dimensional (3D) volume-rendering techniques have been employed to measure tibial torsion. This study compared the accuracy and reliability of tibial torsion angle (TTa) measurements obtained using radiography and ultrasound tilting techniques against those obtained using the 3D volume-rendering method in small-to-medium-sized non-chondrodystrophic dogs. Seven dogs with 11 hind limbs were included in this study. Descriptive statistics revealed mean TTa values for radiography (1.6° ± 5.14°), ultrasound (2.92° ± 3.98°), CT (4.57° ± 3.44°), and 3D volume-rendering method (5.29° ± 3.30°). Intraclass correlation coefficient (ICC) analysis indicated excellent intra- and interobserver agreement between the radiography and ultrasound methods. Correlation analysis showed positive correlations between all the methods. These findings demonstrate that radiography and the ultrasound tilting technique are reliable alternatives for measuring TTa. Although slightly lower ICC values were observed than those of the 3D volume-rendering technique, the radiography and ultrasound methods still exhibited good to excellent reliability, suggesting that these alternative methods could be effective diagnostic tools for assessing TTa in clinical settings with high accuracy and reliability. |
The distribution of Castanea sativa and its ability to regenerate in the Czech RepublicShort CommunicationJaroslav Holu¹a, Kamil HolýJ. For. Sci., 2024, 70(12):634-637 | DOI: 10.17221/71/2024-JFS Castanea sativa is a type of cultivated chestnut tree found in the Czech Republic, growing in both lowland and midland regions. These trees are usually planted individually or in pairs, with over half of the plantings located in urban areas. One-fifth of chestnut trees thrive in parks, while chestnut orchards or forest stands make up only one-tenth of the areas where chestnut trees are located. In the Czech Republic, approximately 30 ha are covered by chestnut trees. Regeneration of chestnut trees occurs in only 6% of the localities due to regular lawn mowing. However, 40% of the surveyed forests showed signs of regeneration, demonstrating the species' ability to regenerate under Central European climate conditions. |
Effect of physical energy on germination and seedling vigor of alfalfa seeds (Medicago sativa L.)Short CommunicationAli Hajizadeh Namin, Abbas Akbarnia, Rouzbeh Abbaszadeh, Ali Zenouzi, Majid MasoumianRes. Agr. Eng., 2024, 70(3):174-180 | DOI: 10.17221/114/2023-RAE Recently, non-thermal technologies have emerged as a means to ensure the safety of agricultural products while also promoting plant growth and reducing pathogenic and chemical contamination of seeds. An experiment was conducted to investigate the effect of various treatments on the germination characteristics of alfalfa seeds. The experiment utilised a completely randomised design with five treatments and three replications, including cold plasma exposure, direct current (DC) electromagnetic field, magnetic field, and a combination of plasma exposure with magnetic and electromagnetic fields. The treated seeds were compared to the control seeds (without exposure) in terms of seedling length, germination rate index (GRI), vigor index, and seed germination. The results indicated that cold plasma treatment and a combination of plasma and magnetic field treatment significantly increased the germination rate compared to the control and other treatments. Furthermore, the combined treatment of plasma and electromagnetic fields, as well as the individual treatment with magnetic fields, resulted in a significant increase in root length and, consequently, the allometric coefficient. Non-thermal technologies are a promising approach to enhancing seed performance, particularly in terms of the rate of germination and seedling length. |
N-acetyl-β-D-glucosaminidase in clinically healthy German Shepherd dogs and dogs with early stages of chronic kidney diseaseOriginal PaperN Marecakova, J Kacirova, C Tothova, A Madari, M Madar, M Kuricova, S HornakVet Med - Czech, 2024, 69(10):337-344 | DOI: 10.17221/34/2024-VETMED
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Indications for the removal of implants after fracture healing: A comparison between human and veterinary medicineReviewM Candela Andrade, I De Rus Aznar, M Brunnberg, P SlunskyVet Med - Czech, 2023, 68(7):259-270 | DOI: 10.17221/52/2023-VETMED Indications for implant removal after fracture healing are still under debate in both human and veterinary medicine. Although hardware removal is a common procedure, it should not be undertaken lightly. Intra and post-operative complications are common and a thorough evaluation of the risks and benefits should be performed. This review aimed to collect and summarise published data on the indications for implant removal in small animals, compare the collected data with human and equine medicine, and investigate the existence of guidelines for this purpose. There is no international consensual agreement for implant removal after fracture healing, neither in small animals nor in human orthopaedics. Decision-making processes are still controversial in some scenarios, thus clear evidence-based protocols for implant removal are needed. |
