scholarly journals Harmfulness of Fusarium crookwellense Burgess, Nelson & Toussoun to panicles of selected genotypes of oat (Avena sativa L.) concerning the content of mycotoxins in grain

2016 ◽  
Keyword(s):  
Avena Sativa ◽  
Fusarium Crookwellense

scholarly journals The occurrence of Fusarium culmorum (W. G. Sm.)Sacc., Fusarium avenaceum (Fr.) Sacc. and Fusarium crookwellense Burgess, Nelson & Toussoun on oats lines (Avena sativa L.)

2013 ◽  
Vol 54 (1) ◽  
pp. 83-93 ◽  
Author(s):  
Irena Kiecana ◽  
Elżbieta Mielniczuk
Keyword(s):  
Avena Sativa ◽  
Fusarium Culmorum ◽  
Fusarium Avenaceum ◽  
Fusarium Crookwellense

Investigations were carried out in 1996-1998 in the experimental fields in Zamość region. The following ten lines of oats were tested: CHD 894, CHD 1095, CHD 1236, CHD 1607, CHD 1653, CHD 1692, STH 2293, STH 2393, STH 2494, STH 2694. The seedlings which showed symptoms of either root and sheath nectosis, or rotting stems ranged form 9-36 ad 9-70% of all seedlings tested, respectively. Results of mycological analysis of seedlings showed that <i>F.avenaceum</i> and <i>F.culmorum</i> were most frequently represented on infected parts (43% ad 42% of all <i>Fusarium</i> spp. isolates respectively), and also they were the most frequently obtained from stems with necrotic stripes (24% and 46% of all <i>Fusarium</i> spp., respectively). Apart from <i>F.avenaceum</i> and <i>F.culmorum</i> there was some <i>F.crookwellense</i> found every year on lower internodes.

SEM Cold Stage Techniques for the Observation of Vegetative and Floral Apices of Oat (Avena sativa L.) Plants

1977 ◽  
Vol 35 ◽  
pp. 590-591
Author(s):  
B. K. Kirchoff ◽  
L.F. Allard ◽  
W.C. Bigelow
Keyword(s):  
Critical Point ◽  
Avena Sativa ◽  
Substantial Improvement ◽  
Fresh Tissue ◽  
Cold Stage ◽  
Critical Point Drying ◽  
Almost All ◽  
Cell Collapse ◽  
Conductive Paint ◽  
Carbon Based

In attempting to use the SEM to investigate the transition from the vegetative to the floral state in oat (Avena sativa L.) it was discovered that the procedures of fixation and critical point drying (CPD), and fresh tissue examination of the specimens gave unsatisfactory results. In most cases, by using these techniques, cells of the tissue were collapsed or otherwise visibly distorted. Figure 1 shows the results of fixation with 4.5% formaldehyde-gluteraldehyde followed by CPD. Almost all cellular detail has been obscured by the resulting shrinkage distortions. The larger cracks seen on the left of the picture may be due to dissection damage, rather than CPD. The results of observation of fresh tissue are seen in Fig. 2. Although there is a substantial improvement over CPD, some cell collapse still occurs.Due to these difficulties, it was decided to experiment with cold stage techniques. The specimens to be observed were dissected out and attached to the sample stub using a carbon based conductive paint in acetone.

PPARα and PPARβ/δ Activation by Oat (Avena sativa) Oil Stimulates Keratinocyte Differentiation and Ceramide Synthesis

Planta Medica ◽  
2013 ◽  
Vol 79 (10) ◽  
Author(s):  
S Chon ◽  
R Earland ◽  
A Pappas ◽  
KA Reynertson ◽  
MD Southall
Keyword(s):  
Avena Sativa ◽  
Keratinocyte Differentiation ◽  
Ceramide Synthesis

Estimación de biomasa aérea de forrajes de invierno bajo riego a través de un dron

2019 ◽  
Vol 12 (4) ◽  
Author(s):  
Francisco Gavi Reyes ◽  
César Botello-Aguillón ◽  
Leonardo Tijerina-Chávez ◽  
Arturo Galvis-Spíndola ◽  
Rodrigo Roblero-Hidalgo
Keyword(s):  
Medicago Sativa ◽  
Avena Sativa ◽  
Medicago Sativa L

E Objetivo: Desarrollar un procedimiento para estimar biomasa con imágenes digitales captadas desde un dron y modelación 3D (ID-Dron-3D) aplicable en alfalfa (Medicago sativa L.) y avena forrajera (Avena sativa L.). Diseño/metodología/aproximación: Con una cámara digital acoplada al dron se obtuvieron imágenes antes de la cosecha de los cultivos, que fueron procesadas con software para luego estimar volumen de biomasa. En cada cultivo se midió altura de la planta y área cosechada, volumen aparente y real de biomasa, y peso de biomasa fresca y seca. Resultados: Con base en el análisis de regresión se obtuvieron modelos lineales a una p<0.05 para predecir: biomasa fresca en avena (R2=0.70) y alfalfa (R2 =0.47); y biomasa seca en avena (R2=0.78) y en alfalfa (R2=0.31) mediante ID-Dron-3D. Limitaciones del estudio/implicaciones: Considerando las R2 de los modelos obtenidos, los resultados en la avena forrajera fueron mejores, respecto a los detectados en alfalfa, lo cual se puede deber a la mayor variabilidad de la cobertura vegetal, ya que, en algunas unidades de muestreo, las plantas de alfalfa no cubrían completamente el suelo. Hallazgos/conclusiones: El rendimiento de biomasa fresca y seca de ambos cultivos se correlacionó significativamente con su respectivo volumen aparente estimado con imágenes digitales tomadas desde un dron y su procesamiento 3D (ID-Dron-3D).

Neutral Lipids of Oats Fruit (Avena Sativa L.)

2020 ◽  
Vol 9 (4) ◽  
pp. 40-43
Author(s):  
N. K. Yuldasheva ◽  
S. D. Gusakova ◽  
D. Kh. Nurullaeva ◽  
N. T. Farmanova ◽  
R. P. Zakirova ◽  
...  
Keyword(s):  
Avena Sativa ◽  
Neutral Lipids ◽  
The Body ◽  
Biologically Active ◽  
Absorption Bands ◽  
Vital Functions ◽  
The Republic ◽  
Living Organisms ◽  
Main Components ◽  
Active Substances

Introduction. Lipids are a widespread group of biologically active substances in nature, making up the bulk of the organic substances of all living organisms. They accumulate in plants in seeds, as well as in fruits and perform a number of vital functions: they are the main components of cell membranes and the energy reserve for the body.Aim. Study of neutral lipids of sown oats (Avena sativa L.).Materials and methods. The objects of the study were fruits (grains) of oats of the sown variety "Tashkent 1," harvested in the Republic of Uzbekistan. Results and discussions. Neutral lipids of oat grains have been found to contain 13 fatty acids with a predominance of the sum of oleic, linolenic and linoleic acids. The total degree of unsaturation was almost 78%. Absorption bands characteristic of these substances were observed in the IR spectrum of MEGC.Conclusion. According to the results of the NL analysis, oat grains consisted of triacylglycerides and free LCDs, which were accompanied by hydrocarbons, phytosterols, triterpenoids and tocopherols.

ANTIOESTROGENIC ACTIVITY IN FAHLI CLOVER HAY AND OAT HAY

1965 ◽  
Vol 49 (1) ◽  
pp. 90-96 ◽  
Author(s):  
J. H. Adler
Keyword(s):  
Plant Extracts ◽  
Avena Sativa ◽  
Inhibitory Activity ◽  
Weight Increase ◽  
Trifolium Alexandrinum ◽  
Uterine Weight ◽  
Extraction Procedures ◽  
Fodder Plants

ABSTRACT The presence of oestrogen inhibitory activity in oat hay (Avena sativa) and Fahli clover hay (Trifolium alexandrinum var. Fahli) has been established. The antioestrogenic effect was demonstrated by the inhibition of uterine weight increase in rats (Astwood test) in response to oestradiol injected together with the above mentioned plant extracts. The extraction procedures are described in detail and the possible biological implications of antioestrogenic and oestrogenic activity in fodder plants is discussed.

Isozymic estimation of the biodiversity of Spanish Avena sativa L. landraces stored in a germplasm bank

2005 ◽  
Vol 53 (2) ◽  
pp. 135-145
Author(s):  
FERNANDO GONZÁLEZ-ANDRÉS ◽  
JOSÉ PITA ◽  
SUSANA MALMIERCA ◽  
CELIA DE LA CUADRA
Keyword(s):  
Avena Sativa ◽  
Germplasm Bank
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