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https://www.readbyqxmd.com/read/29141039/identification-of-isolates-of-the-plant-pathogen-leptosphaeria-maculans-with-resistance-to-the-triazole-fungicide-fluquinconazole-using-a-novel-in-planta-assay
#1
Angela P Van de Wouw, Vicki L Elliott, Steven Chang, Francisco J López-Ruiz, Steven J Marcroft, Alexander Idnurm
Leptosphaeria maculans is the major pathogen of canola (oilseed rape, Brassica napus) worldwide. In Australia, the use of azole fungicides has contributed to the 50-fold increase in canola production in the last 25 years. However, extensive application of fungicides sets the stage for the selection of fungal populations with resistance. A high-throughput in planta assay was developed to allow screening of thousands of isolates from multiple populations. Using this screen, isolates were identified with decreased sensitivity to the fungicide fluquinconazole when applied at field rates as a protective seed dressing: these isolates cause significantly larger lesions on cotyledons and true leaves and increased disease severity at plant maturity...
2017: PloS One
https://www.readbyqxmd.com/read/29129322/effects-of-replacing-soybean-meal-with-canola-meal-or-treated-canola-meal-on-ruminal-digestion-omasal-nutrient-flow-and-performance-in-lactating-dairy-cows
#2
E M Paula, G A Broderick, M A C Danes, N E Lobos, G I Zanton, A P Faciola
Extrusion treated canola meal (TCM) was produced in an attempt to increase the rumen-undegraded protein fraction of canola meal (CM). The objective of this study was to evaluate the effects of replacing soybean meal (SBM) with CM or TCM on ruminal digestion, omasal nutrient flow, and performance in lactating dairy cows. To assess performance, 30 multiparous Holstein cows averaging (mean ± SD) 119 ± 23 d in milk and 44 ± 7 kg of milk/d and 15 primiparous cows averaging 121 ± 19 d in milk and 34 ± 6 kg of milk/d were blocked in a randomized complete block design with a 2-wk covariate period and 12-wk experimental period (experiment 1)...
November 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29128213/the-effects-of-feeding-a-partial-mixed-ration-plus-a-top-dress-before-feeding-on-milk-production-and-the-daily-rhythm-of-feed-intake-and-plasma-hormones-and-metabolites-in-dairy-cows
#3
M Niu, K J Harvatine
Total mixed rations (TMR) are commonly fed to dairy cows with a goal of reducing ruminal acidosis, but the daily pattern of feed intake has major implication for rumen fermentation and postabsorptive physiology. Generally there is low feed intake during the overnight period and high intake after feeding and during the afternoon. The objective of this study was to determine if feeding a partial mixed ration (PMR) plus a high starch top-dress before feeding of the PMR would improve production and modify key daily rhythms...
November 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29123163/imidacloprid-and-chlorpyrifos-insecticides-impair-migratory-ability-in-a-seed-eating-songbird
#4
Margaret L Eng, Bridget J M Stutchbury, Christy A Morrissey
Birds that travel long distances between their wintering and breeding grounds may be particularly susceptible to neurotoxic insecticides, but the influence of insecticides on migration ability is poorly understood. Following acute exposure to two widely used agricultural insecticides, imidacloprid (neonicotinoid) and chlorpyrifos (organophosphate), we compared effects on body mass, migratory activity and orientation in a seed-eating bird, the white-crowned sparrow (Zonotrichia leucophrys). During spring migration, sparrows were captured, held and dosed by gavage daily for 3 days with either the vehicle control, low (10% LD50) or high (25% LD50) doses of imidacloprid or chlorpyrifos and tested in migratory orientation trials pre-exposure, post-exposure and during recovery...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29112417/water-and-temperature-stresses-impact-canola-brassica-napus-l-fatty-acid-protein-and-yield-over-nitrogen-and-sulfur
#5
W Ashley Hammac, Tai Maaz, Richard T Koenig, Ian C Burke, William L Pan
Interactive effects of weather and soil nutrient status often control crop productivity. An experiment was conducted to determine effects of N and S fertilizer rate, soil water, and atmospheric temperature on canola fatty acid (FA), total oil, protein and grain yield. Nitrogen and S were assessed in a 4-yr study with two locations, five N rates and two S rates. Water and temperature were assessed using variability across 12 site-years of dryland canola production. Effects of N and S were inconsistent. Unsaturated FA, oleic acid, grain oil, protein and theoretical maximum grain yield were highly related to water and temperature variability across the site-years...
November 7, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29108069/dietary-sources-of-phosphorus-affect-postileal-phosphorus-digestion-in-growing-pigs
#6
J B Liu, X Y Shen, H X Zhai, L Chen, H F Zhang
The present study was conducted to investigate the postileal P digestion response of growing pigs to dietary P concentrations and sources. Twenty-four pigs (57.3 ± 1.9 kg initial BW) fitted with T-cannulas at the distal ileum were assigned to a duplicated 12 × 4 incomplete Latin square design with 12 diets and 4 periods. The 12 experimental diets consisted of 9 cornstarch-based diets using soybean meal (SBM), corn distiller's dried grains with solubles (DDGS), and canola meal (CM) as assay ingredients at 3 levels and 3 corn-SBM-based practical diets with 3 levels of dicalcium phosphate (DCP)...
October 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/29097468/complete-genome-sequence-of-delftia-acidovorans-ray209-a-plant-growth-promoting-rhizobacterium-for-canola-and-soybean
#7
Benjamin J Perry, Jordyn Bergsveinson, Dinah D Tambalo, Christopher K Yost, Nurul H Khan, Mike Whiting
Herein, we report the genome sequence of Delftia acidovorans strain RAY209, a plant growth-promoting rhizobacterium that is used in commercial inoculants for canola and soybean. The genome of RAY209 has a consensus of 6,528,879 bp and an estimated 5,721 coding sequences.
November 2, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29095495/regioisomeric-distribution-of-9-and-13-hydroperoxy-linoleic-acid-in-vegetable-oils-during-storage-and-heating
#8
Marc Pignitter, Mathias Zaunschirm, Judith Lach, Laura Unterberger, Antonio Kopic, Claudia Keßler, Julia Kienesberger, Monika Pischetsrieder, Manfred Eggersdorfer, Christoph Riegger, Veronika Somoza
BACKGROUND: The oxidative deterioration of vegetable oils is commonly measured by the peroxide value, thereby not considering the contribution of individual lipid hydroperoxide isomers, which might have different bioactive effects. Thus, the formation of 9- and 13-hydroperoxy octadecadienoic acid (9-HpODE and 13- HpODE), was quantitated after short-term heating and conditions representative of long-term domestic storage in samples of linoleic acid, canola, sunflower and soybean oil, by means of stable isotope dilution analysis-LC-MS/MS...
November 2, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29077965/phosphorus-bioavailability-in-increased-protein-reduced-fiber-canola-meal-conventional-canola-meal-and-soybean-meal-fed-to-crossbred-chicks
#9
C D Hanna, C K Foran, P L Utterback, H H Stein, C M Parsons
Three experiments were conducted to evaluate 3 increased-protein, reduced-fiber canola meals (CM) (CMA, CMB, and Test CM), 2 conventional CM (CCM), and 2 soybean meals (SBM). For determination of P bioavailability in CM and SBM, a P-deficient cornstarch-dextrose-SBM basal diet was fed as Diet 1. The latter basal diet was then supplemented with 0.05 and 0.10% P from KH2PO4 or 12.5 and 25% of a CM or SBM. In addition, the effect of phytase enzyme on bioavailability of the P in CMA, Test CM, and one of the CCM was determined using P-deficient 45% CM-cornstarch-dextrose diets (0...
October 25, 2017: Poultry Science
https://www.readbyqxmd.com/read/29074276/safety-assessment-of-transgenic-canola-rf3-with-bar-and-barstar-gene-on-sprague-dawley-sd-rats-by-90-day-feeding-test
#10
Tianqi Lang, Shiying Zou, Kunlun Huang, Mingzhang Guo, Xu Liu, Xiaoyun He
Canola is one of the most important plant oilseed crops. To avoid the threat of herbicides, the RF3 line with bar gene and barstar gene was developed, which can act as glufosinate resistance resources and restore fertility in hybrid lines. To assess the food safety of transgenic canola RF3, 2.5%, 5% and 10% GM canola RF3 and its non-GM isogenic line Drakkar were formulated into diet to feed Spragure-Dawley (SD) rats for 90 days. The effects on the general growth and toxicological parameters, as well as gut microbiota of rats, were evaluated...
October 23, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29053814/effects-of-canola-meal-source-on-the-standardized-ileal-digestible-amino-acids-and-apparent-metabolizable-energy-contents-for-broiler-chickens
#11
D I Adewole, A Rogiewicz, B Dyck, B A Slominski
Two studies were conducted to determine the effect of canola meal source on the standardized ileal digestible amino acids (AA) and nitrogen-corrected apparent metabolizable energy (AMEn) contents of canola meal (CM) from 6 processing plants in Canada. Two plants provided CM in both mash and pellet forms, while the other 4 provided CM in mash form only, giving a total of 8 samples. In the standardized ileal digestibility (SID) assay, 280 birds were housed 7 per cage and fed a commercial starter diet from 1 to 14 d of age followed by the test diets from 15 to 21 d...
October 5, 2017: Poultry Science
https://www.readbyqxmd.com/read/29050421/performance-nutrient-utilization-and-energy-partitioning-in-broiler-chickens-offered-high-canola-meal-diets-supplemented-with-multicomponent-carbohydrase-and-mono-component-protease
#12
M Toghyani, S B Wu, R A Pérez-Maldonado, P A Iji, R A Swick
Two broiler chicken experiments were conducted to investigate the effects of canola meal (CM) replacing soybean meal (SBM) in diets supplemented with carbohydrase and protease on performance and partitioning of energy. First, a 2 × 2 × 2 factorial arrangement of treatments was employed to evaluate: protein meals (CM vs. SBM), carbohydrase (none or 300 mg/kg), protease (none or 200 mg/kg), and their interactions. Each treatment was fed to 6 replicated pens of 16 male broilers (Ross 308) from d 10 to 35. In the second experiment, 32 broiler chicks were used in a 2 × 2 factorial arrangement to investigate CM and carbohydrase effects on energy partitioning...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29045654/crop-seedling-susceptibility-to-armadillidium-vulgare-isopoda-armadillidiidae-and-ommatoiulus-moreletii-diplopoda-iulidae
#13
Josh Douglas, Sarina Macfadyen, Ary Hoffmann, Paul Umina
The isopod, Armadillidium vulgare (Latreille) (Isopoda: Armadillidiidae), and the millipede, Ommatoiulus moreletii (Lucas) (Diplopoda: Iulidae), are increasingly being reported as pests of emerging broadacre crop seedlings in southern Australia. This is thought to be due to the increased adoption of stubble retention practices, leading to increased abundance of these soil-dwelling organisms. Here, we evaluate the propensity of A. vulgare and O. moreletii to damage a range of crop seedlings. Through the combined analysis of a controlled feeding trial and field reports, we show A...
October 16, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29040817/potential-for-mcl-pha-production-from-nonanoic-and-azelaic-acids
#14
James Gillis, Kenton Ko, Juliana A Ramsay, Bruce A Ramsay
Greater than 65 % of canola and high oleic soy oil fatty acids is oleic acid, which is readily converted to nonanoic (NA) and azelaic (AzA) acids by ozonolysis. NA is an excellent substrate for medium-chain-length polyhydroxyalkanoate (mcl-PHA) production but AzA has few uses. Pseudomonas citronellolis DSM 50332 and Pseudomonas fluorescens ATCC 17400, both able to produce mcl-PHA from fatty acids and able to grow on AzA as the sole source of carbon and energy were assessed for the accumulation of mcl-PHA from AzA and NA...
October 17, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/29039973/amendment-of-vanadium-contaminated-soil-with-soil-conditioners-a-study-based-on-pot-experiments-with-canola-plants-brassica-campestris-l
#15
Wenjie Zhang, Jianguo Jiang, Kaimin Li, Tianran Li, De' An Li, Jiaming Wang
We performed pot experiments with canola plants (Brassica campestris L.) to evaluate the effect of eight soil conditioners on the amendment of vanadium (V)-contaminated soil based on analysis of the growth of canola plants and the uptake, bioaccumulation, and translocation of heavy metals. Tested soil conditioners included polyacrylamide (PAM), sepiolite, humic acid (HAC), peat, sludge compost (SC), bentonite, lime, and fly ash. Results from the analysis of the growth of canola plants and the analysis of variance showed that the best soil conditioners for V-contaminated soil were 0...
October 17, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/29039281/inhibitory-effects-of-an-extract-from-non-host-plants-on-physiological-characteristics-of-two-major-cabbage-pests
#16
M Dastranj, E Borzoui, A R Bandani, O L Franco
The diamondback moth (Plutella xylostella) and small white cabbage butterfly (Pieris rapae) are the two main serious pests of cruciferous crops (Brassicaceae) that have developed resistance to chemical control methods. In order to avoid such resistance and also the adverse effects of chemical pesticides on the environment, alternative methods have usually been suggested, including the use of plant enzyme inhibitors. Here, the inhibitory effects of proteinaceous inhibitors extracted from wheat, canola, sesame, bean and triticale were evaluated against the digestive α-amylases, larval growth, development and nutritional indecs of the diamondback moth and small white cabbage butterfly...
October 17, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/29035143/the-contribution-of-glyphosate-to-agriculture-and-potential-impact-of-restrictions-on-use-at-the-global-level
#17
Graham Brookes, Farzad Taheripour, Wallace E Tyner
This study assesses the potential economic and environmental impacts that would arise if restrictions on glyphosate use resulted in the world no longer planting genetically modified herbicide tolerant (GM HT) crops. 'First round' impacts are the loss of farm level and aggregate impacts associated with the widespread use of GM HT crops (tolerant to glyphosate). There would be an annual loss of global farm income gains of $6.76 billion and lower levels of global soybean, corn and canola production equal to 18...
October 16, 2017: GM Crops & Food
https://www.readbyqxmd.com/read/29032410/relationship-between-circulating-fatty-acids-and-fatty-acid-ethanolamide-levels-after-a-single-2-h-dietary-fat-feeding-in-male-sprague-dawley-rats-elevated-levels-of-oleoylethanolamide-palmitoylethanolamide-linoleoylethanolamide-arachidonoylethanolamide-and
#18
Anthonia O Olatinsu, Jyoti Sihag, Peter J H Jones
Previous studies show that long term variations in dietary fat consumption impact circulating fatty acid ethanolamide (FAE) concentrations, however, few studies have investigated short term effects of dietary fat feeding on FAE levels. The trial's objective was to explore the effect of acute feeding of varying amounts of dietary n-9 and n-3 fatty acids on plasma and organ levels of FAE. Sixty-four rats were assigned to four groups fed meals containing 40% of energy as either safflower oil (control), canola oil (CO), or DHA rich oil (DRO), each consumed as a bolus within a 2-h window...
November 2017: Lipids
https://www.readbyqxmd.com/read/29030304/interaction-of-cruciferin-based-nanoparticles-with-caco-2-cells-and-caco-2-ht29-mtx-co-cultures
#19
Ali Akbari, Afsaneh Lavasanifar, Jianping Wu
The objective of this work was to assess the potential of Cruciferin/Calcium (Cru/Ca) and Cruciferin/Chitosan (Cru/Cs) nanoparticles for oral drug delivery. For this purpose, Cru/Ca and Cru/Cs nanoparticles were developed through cold gelation of Cruciferin, a major canola protein, and in interaction with calcium and chitosan, respectively. The extent and rate of particle uptake in Caco-2 cells and Caco-2/HT29 co-culture was then evaluated by fluorescence spectroscopy as well as flow cytometry. Through pre-incubation of Caco-2 cell monolayer with specific endocytosis inhibitors, the mechanism of cell uptake was investigated...
December 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29026259/identification-of-a-tbhq-interfering-peak-in-crude-canola-oil-using-aocs-official-method-ce-6-86-and-its-chromatographic-resolution
#20
Michael R Blumhorst, Travis Mahan, Kathryn Stanley, Aaron Griffith, Mark W Collison
AOCS Official Method Ce 6-86 "Antioxidants, Liquid Chromatographic Method" was originally developed to confirm the correct antioxidant was added at the specified concentration to refined oils. Today, this method is increasingly utilized to validate that antioxidants are absent from oil products. False positive results can have a significant impact on the ability to sell products in specific markets and can impart additional business expenditures for conclusive secondary analyses. In the current work, quantification of tert-butylhydroquinone (TBHQ) in crude canola/rapeseed oil using liquid chromatography (LC) with ultraviolet (UV) detection was compromised by an interfering peak...
2017: Journal of the American Oil Chemists' Society
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