Assessment of shallot collection accessions in breeding for yield capacity

2018 ◽  
pp. 58-66
Author(s):  
O.N. Bilenka
Keyword(s):  
The Netherlands ◽  
High Resistance ◽  
Practical Interest ◽  
Viral Diseases ◽  
Economic Traits ◽  
Breeding Programs ◽  
Yield Capacity ◽  
High Yields ◽  
Very High ◽  
Bulb Yield

Goal. To evaluation of the shallot gene pool for bulb yield and its components, resistance to viral diseases and to select the most valuable accessions for breeding programs. Results and Discussion. The article presents the results of evaluating 25 shallot accessions for yield and resistance to viral diseases. Five accessions with very high bulb yields (> 135% related to the standard) were selected from the following regions of Ukraine (from the Dnipropetrovska region - D-135 (13.1 t/ha); from the Poltavska region - D-127 (13.9 t/ha); from the Kharkivska region - D-15 (14.0 t/ha), D-34 (14.9 t/ha)) and from the Netherlands (Bonilla (15.9 t/ha). Accessions with high yields (116 - 135% related to the standard) were from the Dnipropetrovska region (D-136 (11.2 t/ha), varieties Olviia (12.3 t/ha) and Kushchyovka Kharkovskaya (12.6 t/ha). Ten accessions were the best in terms of bulb weight, exceeding the standard by 3.0 - 8.3 g:- D-33 (14.2 g), Olviia (14.5 g), D-4 (14.7 g), D- 133 (15.1 g), D-137 (15.2 g), D-130 (15.7 g), D-127 (15.9 g), D-15 (16.6 g), D- 34 (18.3 g), and Bonilla (19.5 g). Seven accessions were noticeable for the bulb number per bulb stem: from the Dnipropetrovska region (D-136 (6.1 bulbs), D-123 (7.0 bulbs), D-124 (7.4 bulbs), D-135 (7.4 bulbs), D-137 (6.4 bulbs), and D-129 (8.0 bulbs)) and from the Netherlands (Bonilla (6.1 bulbs). The following accessions were distinguished by resistance to viral diseases (onion yellow dwarf and mosaic) as sources for breeding: with very high resistance (9 points) - D-120 from Russia, 12 accessions with high resistance (7 points) from Ukraine (D- 4, D-26, D-136, D-125, D-127, D-133, D-130, D-123, D-126, D-137, and D-140) and Bonilla from the Netherlands. Accessions D-127 (Poltavska region), D-137 (Dnipropetrovska region), D-34 and D-15 (Kharkivska region), Bonilla (Netherlands) with a set of traits are of practical interest for breeding. Conclusions. Having studied 25 shallot collection accessions in 2016 – 2018, we distinguished the following accessions: by bulb yield - 8 accessions (11.7 - 15.9 t/ha), by bulb weight - 10 accessions (14.2 - 18.3 g), by the bulb number per bulb stem - 7 accessions (6.1 – 8.0 bulbs), by resistance to viral diseases - 13 accessions (7 – 9 points), by a set of valuable economic traits – 5 accessions.

Environmental plasticity of sunflower lines for valuable economic traits

2021 ◽  
pp. 63-70
Author(s):  
VV Andriienko ◽  
VP Kolomatska ◽  
VV Kyrychenko ◽  
VI Syvenko
Keyword(s):  
Oil Content ◽  
Regression Coefficient ◽  
High Yield ◽  
Economic Traits ◽  
Genotypic Effect ◽  
Breeding Programs ◽  
Valuable Source ◽  
Early Ripening ◽  
Short Season ◽  
High Yields

Our aim was to study the environmental plasticity of female sunflower lines for valuable economic traits, to select lines for heterosis breeding - sources of valuable economic traits with different categories of environmental plasticity. Results and Discussion. Expression of economically valuable traits and their environmental plasticity were studied in female maternal sunflower lines, including lines bred at NAAS institutions. Analyses of variance and regression showed that the lines were ranked according to the genotypic effect and the regression coefficient of these traits. Sunflower lines, which give relatively high yields and demonstrate optimal responses to the year conditions, are recommended to use in breeding for adaptability: short-season line Skh 1006 A (1.48 t/ha), early ripening line Skh 503 A (1.56 t/ha) and mid-early line Od 1042 A (1.60 t/ha). Early ripening line Skh 1002 A (50.4%) and mid-early line Od 1024 A (50.1%) are recommended to use in breeding programs as sources of high oil content and optimal expression of this trait across the years. Line Skh 51 A with a consistently high 1000-achene weight is a valuable source of large seeds. Mid-early line Od 1024 A is noticeable for a stable 1000-achene weight across the years and can serve as a valuable source in breeding programs to achieve a desirable level of this trait. A stable diameter of head was noted in early ripening lines Skh 1010 A and Skh 503 A and in mid-early line Skh 1012 A, which can be used as sources of this trait. Conclusions. The levels and environmental plasticity of the valuable economic traits were evaluated in the female sunflower lines. The lines were grouped in ranks according to the genotypic effect and the regression coefficient of the traits. Short-season, early ripening and mid-early sunflower lines have been identified as sources of valuable traits with different categories of response to the year conditions. The sunflower lines combining relatively high yield, oil content, 1000-achene weight and head diameter with an optimal response to the year conditions are recommended to use in breeding for adaptability.

AVESTA SHEFFIELD SAF 2507

Alloy Digest ◽  
1996 ◽  
Vol 45 (9) ◽  
Keyword(s):  
High Resistance ◽  
Stainless Steels ◽  
Coefficient Of Thermal Expansion ◽  
Austenitic Stainless Steels ◽  
High Strength ◽  
Heat Treating ◽  
General Corrosion ◽  
Temperature Performance ◽  
Chloride Stress Corrosion Cracking ◽  
Very High

Abstract Avesta Sheffield SAF 2507 is an austenitic/ferritic duplex stainless steel with very high strength. The alloy has a lower coefficient of thermal expansion and a higher thermal conductivity than austenitic stainless steels. The alloy has a high resistance to pitting, crevice, and general corrosion; it has a very high resistance to chloride stress-corrosion cracking. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-652. Producer or source: Avesta Sheffield Inc.

scholarly journals A Novel 13 bp Deletion within the NR6A1 Gene Is Significantly Associated with Growth Traits in Donkeys

Animals ◽  
2019 ◽  
Vol 9 (9) ◽  
pp. 681 ◽  
Author(s):  
Xiya Fang ◽  
Zhenyu Lai ◽  
Jie Liu ◽  
Chunlan Zhang ◽  
Shipeng Li ◽  
...  
Keyword(s):  
Nuclear Receptor ◽  
Growth Traits ◽  
Polyacrylamide Gel Electrophoresis ◽  
Embryonic Stem ◽  
The Body ◽  
Economic Traits ◽  
Breeding Programs ◽  
Intron 1 ◽  
Group A ◽  
Nuclear Receptor Family

Nuclear receptor subfamily 6, group A, member 1 (NR6A1), as an important member of the nuclear receptor family, plays an important role in regulating growth, metabolism, and differentiation of embryonic stem cells. For this reason, the NR6A1 gene is considered to be a promising candidate for economic traits and was found to be associated with body size traits in many livestock. However, no studies have been conducted on NR6A1 in donkeys so far. Thus, in this research, we focused on donkeys and identified a 13 bp deletion in intron-1 of the NR6A1 gene among 408 individuals from Guanzhong and Dezhou donkeys using polyacrylamide gel electrophoresis. Three genotypes were identified, namely II, ID, and DD. The association analysis indicated that the body lengths and body heights5f genotype II individuals were significantly different to those of genotype ID in Dezhou donkeys. Conclusively, the 13 bp deletion was associated with growth traits in both Guanzhong donkeys and Dezhou donkeys, indicating that the NR6A1 gene could be a possible candidate gene in marker-assisted selection for donkey breeding programs.

scholarly journals Elevated Incidences of Antimicrobial Resistance and Multidrug Resistance in the Maumee River (Ohio, USA), a Major Tributary of Lake Erie

2021 ◽  
Vol 9 (5) ◽  
pp. 911
Author(s):  
Maitreyee Mukherjee ◽  
Leah Marie ◽  
Cheyenne Liles ◽  
Nadia Mustafa ◽  
George Bullerjahn ◽  
...  
Keyword(s):  
Multidrug Resistance ◽  
Antimicrobial Resistance ◽  
High Resistance ◽  
Lake Erie ◽  
Control Measures ◽  
Industrial Water ◽  
Western Basin ◽  
E Coli ◽  
Major Tributary ◽  
Very High

Maumee River, the major tributary in the western basin of Lake Erie, serves as one of major sources of freshwater in the area, supplying potable, recreational, and industrial water. In this study we collected water samples from four sites in the Maumee River Bay between 2016–2017 and E. coli was isolated, enumerated, and analyzed for antimicrobial resistance (AMR) and multidrug resistance (MDR). Strikingly, 95% of the total isolates were found to be resistant to at least one antibiotic. A very high resistance to the drugs cephalothin (95.3%), ampicillin (38.3%), tetracycline (8.8%), gentamicin (8.2%), ciprofloxacin (4.2%), cefoperazone (4%), and sulfamethoxazole (1.5%) was observed within isolates from all four sampling sites. Percentages of AMR and MDR was consistently very high in the summer and fall months, whereas it was observed to be lowest in the winter. A remarkably high number of the isolates were detected to be MDR—95% resistant to ≥1 antibiotic, 43% resistant to ≥2 antibiotics, 15% resistant to ≥3 antibiotics, 4.9% resistant to ≥4 antibiotic and 1.2% resistant to ≥5 antibiotics. This data will serve in better understanding the environmental occurrence and dissemination of AMR/MDR in the area and assist in improving and establishing control measures.

scholarly journals Multi-curie production of gallium-68 on a biomedical cyclotron and automated radiolabelling of PSMA-11 and DOTATATE

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Helge Thisgaard ◽  
Joel Kumlin ◽  
Niels Langkjær ◽  
Jansen Chua ◽  
Brian Hook ◽  
...  
Keyword(s):  
Radiochemical Purity ◽  
High Yield ◽  
Clinical Use ◽  
Automated Production ◽  
Automated Method ◽  
Gallium 68 ◽  
High Yields ◽  
High Level ◽  
Mev Protons ◽  
Very High

Abstract Background With increasing clinical demand for gallium-68, commercial germanium-68/gallium-68 ([68Ge]Ge/[68Ga]Ga) generators are incapable of supplying sufficient amounts of the short-lived daughter isotope. In this study, we demonstrate a high-yield, automated method for producing multi-Curie levels of [68Ga]GaCl3 from solid zinc-68 targets and subsequent labelling to produce clinical-grade [68Ga]Ga-PSMA-11 and [68Ga]Ga-DOTATATE. Results Enriched zinc-68 targets were irradiated at up to 80 µA with 13 MeV protons for 120 min; repeatedly producing up to 194 GBq (5.24 Ci) of purified gallium-68 in the form of [68Ga]GaCl3 at the end of purification (EOP) from an expected > 370 GBq (> 10 Ci) at end of bombardment. A fully automated dissolution/separation process was completed in 35 min. Isolated product was analysed according to the Ph. Eur. monograph for accelerator produced [68Ga]GaCl3 and found to comply with all specifications. In every instance, the radiochemical purity exceeded 99.9% and importantly, the radionuclidic purity was sufficient to allow for a shelf-life of up to 7 h based on this metric alone. Fully automated production of up to 72.2 GBq [68Ga]Ga-PSMA-11 was performed, providing a product with high radiochemical purity (> 98.2%) and very high apparent molar activities of up to 722 MBq/nmol. Further, manual radiolabelling of up to 3.2 GBq DOTATATE was performed in high yields (> 95%) and with apparent molar activities (9–25 MBq/nmol) sufficient for clinical use. Conclusions We have developed a high-yielding, automated method for the production of very high amounts of [68Ga]GaCl3, sufficient to supply proximal radiopharmacies. The reported method led to record-high purified gallium-68 activities (194 GBq at end of purification) and subsequent labelling of PSMA-11 and DOTATATE. The process was highly automated from irradiation through to formulation of the product, and as such comprised a high level of radiation protection. The quality control results obtained for both [68Ga]GaCl3 for radiolabelling and [68Ga]Ga-PSMA-11 are promising for clinical use.

scholarly journals Associations between morphological and agronomic characteristics in garlic crop

2019 ◽  
Vol 37 (2) ◽  
pp. 204-209
Author(s):  
Valter C de Andrade Júnior ◽  
Amanda G Guimarães ◽  
Tiago D Firme ◽  
Aline Aparecida A Costa ◽  
Márcia Regina da Costa ◽  
...  
Keyword(s):  
Path Analysis ◽  
Total Yield ◽  
Marketable Yield ◽  
Breeding Programs ◽  
Phenotypic Correlations ◽  
Genotypic And Phenotypic Correlations ◽  
Number Of Leaves ◽  
Commercial Yield ◽  
Selection Of ◽  
Bulb Yield

ABSTRACT Correlations and path analysis between characteristics can aid the selection of important attributes in breeding programs. Thus, the objective of this work was to perform genotypic, phenotypic correlations and path analysis under commercial yield of garlic bulbs, depending on morphological and agronomic variables. The experiment was carried out in 2017 at the Universidade Federal dos Vales do Jequitinhonha e Mucuri and Universidade Federal de Lavras, using ten garlic genotypes, eight trials and two commercial cultivars, Caçador and Jonas. We evaluated: plant height; number of leaves, total bulb number; total bulb mass, total bulb yield, marketable bulb yield and number of cloves per bulb. The genotypic and phenotypic correlations were positive and significant between marketable yield of bulbs with bulb mass, total yield and number of cloves per bulb, indicating that selection based on these characteristics will help increase the yield of garlic. However, only the number of cloves per bulb had a direct effect and a relevant indirect effect on the marketable yield of garlic.

scholarly journals Optical coherence tomography: how it all began, and present-time diagnostic capabilities

2014 ◽  
Vol 7 (2) ◽  
pp. 60-68 ◽  
Author(s):  
Yuriy Sergeyevich Astakhov ◽  
Svetlana Georgiyevna Belekhova
Keyword(s):  
Optical Coherence Tomography ◽  
Optic Nerve ◽  
Practical Interest ◽  
Detailed Examination ◽  
Modern Method ◽  
Optical Coherence ◽  
Continual Improvement ◽  
Diagnostic Capabilities ◽  
Very High

The optical coherence tomography is a modern method to assist the ophthalmologist examine the eye fundus. Tomographs have a very high resolution and give the ophthalmologist a in real-time mode in vivo a detailed examination of retinal, optic nerve and choroidal structures. A continual improvement of this technique offers great opportunities and is not only of scientific but also of practical interest.

Rating Perceived Exertion during Short Duration, Very High Intensity Cycle Exercise

2005 ◽  
Vol 100 (3) ◽  
pp. 767-773 ◽  
Author(s):  
Randall F. Gearhart ◽  
M. Daniel Becque ◽  
Chad M. Palm ◽  
Matthew D. Hutchins
Keyword(s):  
Resistance Exercise ◽  
Short Duration ◽  
High Resistance ◽  
High Intensity ◽  
Repeated Measures ◽  
Perceived Exertion ◽  
Cycle Exercise ◽  
Low Resistance ◽  
Resistance Exercises ◽  
Very High

This study compared undifferentiated ratings of perceived exertion (RPE) during short duration, very high intensity cycle exercise using high and low resistance. 30 recreationally trained males (24.2 ± 2.4 yr.) were memory-anchored to the Borg 15-category scale. The high and low resistance exercises were defined by 30-sec. maximum tests assigned in counterbalanced order, with resistances set before testing during an orientation session. High resistance was 10% of body mass. Low resistance resulted in the same total work as the high resistance over the 30-sec. sessions (± 5%) but increased pedal rate. RPE was taken at 8, 13, 18, 23, and 28 sec. during the high and the low resistance exercises. Measurements were compared using a 2-way repeated-measures analysis of variance. RPE was significantly greater ( p = .005) for the high than the low resistance exercise at each interval. RPE increased when the subjects were required to pedal against a greater resistance and produce the highest forces. These RPE data are consistent with data from both aerobic cycle and resistance exercise. The data suggest that instantaneous force production, not summed work, is a primary determinant of RPE. All of these observations support Cafarelli's theoretical model of effort sense. In conclusion, as an individual generates more force during high resistance exercise than in light resistance exercise, a potential explanation of our results is that the increased motor outflow and corollary sensory signal lead to a greater sense of effort.

Prediction of Creep Strain Relaxations in Biomaterials Using Differential Transformation Method

2018 ◽  
Vol 38 ◽  
pp. 11-22
Author(s):  
Olurotimi Adeleye ◽  
Augustine Eloka ◽  
Gbeminiyi Sobamowo
Keyword(s):  
Numerical Methods ◽  
High Resistance ◽  
Linear Models ◽  
Transformation Method ◽  
High Viscosity ◽  
Differential Transformation Method ◽  
Differential Transformation ◽  
Resistance To Deformation ◽  
Very High ◽  
Nonlinear Nature

The outcome of most implant failures is tragic. There is an increasing need to reduce the rate of implant failure. While there has been a lot of progress regarding this problem, a lot still needs to be done. The behaviour of biomaterials had been represented using linear models. Linear models failed to capture some certain behaviours in materials due to the nonlinear nature of biomaterials. More work has been done in an attempt to represent the deformation of these biomaterials using non-linear models, which realised success to a degree. However, providing accurate solutions to these models became a problem. Here, An efficient approximate analytical method, differential transformation method (DTM) is provided for prediction of biomaterial deformation. The results of the solutions are found to be in excellent agreements with the results of the numerical methods. It was observed that at high viscosity, the material exhibit very high resistance to deformation and as it decreases, the material allows more deformation, for longer periods of time.Keywords:Biomaterials; Viscoelasticity;deformation;DifferentialTransformation Method;

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