Isolation and Differentiation of Fusarium spp. and Microdochium Nivale on Winter Wheat in Western Germany

1997 ◽  
Vol 25 (3) ◽  
pp. 615-616 ◽  
Author(s):  
A. Schütze ◽  
E.-C. Oerke ◽  
H.-W. Dehne
Keyword(s):  
Winter Wheat ◽  
Microdochium Nivale ◽  
Fusarium Spp ◽  
Western Germany

scholarly journals Population Dynamics of Fusarium spp. and Microdochium nivale in Crops and Crop Residues of Winter Wheat

2007 ◽  
Vol 97 (8) ◽  
pp. 971-978 ◽  
Author(s):  
J. Köhl ◽  
B. H. de Haas ◽  
P. Kastelein ◽  
S. L. G. E. Burgers ◽  
C. Waalwijk
Keyword(s):  
Population Dynamics ◽  
Winter Wheat ◽  
Field Experiments ◽  
Crop Residues ◽  
Soil Surface ◽  
Microdochium Nivale ◽  
Head Blight ◽  
Fusarium Spp ◽  
Inoculum Sources ◽  
Wheat Tissues

Naturally occurring populations of Fusarium avenaceum, F. culmorum, F. graminearum, F. poae, and Microdochium nivale were studied in two field experiments from anthesis in June 2003 until harvest in crops of winter wheat, and subsequently during 10 months after harvest until June 2004 on their residues exposed on the soil surface under field conditions. The dynamics of the different pathogens were estimated by quantifying the amount of DNA present in wheat tissues using TaqMan-polymerase chain reaction. While colonization of grain by Fusarium spp. and M. nivale was low, high amounts of DNA of F. avenaceum, F. graminearum, and F. culmorum were found in ear residues, internodes, and nodes of the mature crop. Amounts of DNA of pathogens decreased significantly during the following 10 months in residues of internodes and nodes, but not in residues of stem bases. Knowledge on population dynamics of pathogens will help to develop preventive measures aimed at reduction of inoculum sources of head blight pathogens.

Identifying the Fusarium spp. infestation in winter wheat based on RGB imaginary

2019 ◽  
Author(s):  
G.G. Peteinatos ◽  
M. Sökefeld ◽  
J. Machleb ◽  
K. Cambel ◽  
R. Gerhards
Keyword(s):  
Winter Wheat ◽  
Fusarium Spp

scholarly journals The Effect of Fusarium Graminearum Inoculation on Winter Wheat at ARDS Turda,

2012 ◽  
Vol 69 (1) ◽  
Author(s):  
Rozalia KADAR ◽  
Amin Said SARDAR Amin Said SARDAR
Keyword(s):  
Winter Wheat ◽  
Fusarium Graminearum ◽  
Head Blight ◽  
Fusarium Spp ◽  
Flowering Stage ◽  
Stage Number ◽  
Precise Data

Fusarium  Head Blight (FHB), caused by Fusarium spp., has become one of the most destructive diseases in the world’s wheat growing areas, especially in humid and semihumid regions. More precise data relating the effects of FHB on yield have been obtained using inoculated trials. The situation is totally changed by inoculation with Fusarium. Because this disease affected wheat in flowering stage, number of grain/spike is strongly diminished. It can be observed the behavior of Turda 95 and Dumbrava varieties created at ARDS Turda which lose less number of grain than other cultivars.

scholarly journals Communities of bacteria and fungi occurring in the rhizosphere of winter wheat

2017 ◽  
Vol 38 (SI 2 - 6th Conf EFPP 2002) ◽  
pp. 361-363
Author(s):  
E. Patkowska ◽  
D. Pięta ◽  
A. Pastucha
Keyword(s):  
Species Composition ◽  
Winter Wheat ◽  
Pathogenic Fungi ◽  
Microbiological Analysis ◽  
Qualitative Composition ◽  
Fusarium Spp ◽  
Wheat Rhizosphere ◽  
Bacillus Spp ◽  
Bacteria And Fungi ◽  
Total Bacteria

The purpose of the present studies was to establish the species composition of fungi occurring on the underground parts of winter wheat, Kobra cv. and to determine the quantitative and qualitative composition of microorganisms developing in the rhizosphere of this plant. The mycological analysis of the infected roots and the stem base of winter wheat gave 320 fungi isolates. Fusarium spp. were most frequently isolated, and their proportion was 64.7% of all the fungi. This genus was represented by F. avenaceum, F. culmorum, F. equiseti, F. graminearum, F. oxysporum and F. solani. Among these species the dominating ones were F. avenaceum (19.4%) and F. culmorum (38.7%). The microbiological analysis of winter wheat rhizosphere gave the highest number of total bacteria (6.32 × 106 cfu/g of d.w. of soil). The number of Pseudomonas pp. was 3.56 × 106 cfu/g of d.w. of soil, and the number of Bacillus spp. was 2.42 × 106 cfu/g of d.w. of soil. Fusarium spp. and Rhizoctonia solani dominated within pathogenic fungi isolated from the rhizosphere of winter wheat.

scholarly journals Survey of Fusarium spp. Causing Wheat Crown Rot in Major Winter Wheat Growing Regions of China

Plant Disease ◽  
2015 ◽  
Vol 99 (11) ◽  
pp. 1610-1615 ◽  
Author(s):  
Xiang-xiang Zhang ◽  
Hai-yan Sun ◽  
Cheng-mei Shen ◽  
Wei Li ◽  
Han-shou Yu ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Fusarium Head Blight ◽  
Fusarium Species ◽  
Crown Rot ◽  
Head Blight ◽  
Fusarium Spp ◽  
Phylogenetic Structure ◽  
Fusarium Crown Rot ◽  
Fusarium Asiaticum ◽  
Predominant Pathogen

Fusarium crown rot of wheat has become more prevalent in China. To investigate the phylogenetic structure of Fusarium causing wheat crown rot in China, wheat basal stems with symptoms of the disease were collected from 2009 to 2013 in Jiangsu, Anhui, Henan, Hebei, and Shandong provinces. In total, 175 Fusarium isolates were collected and their mycotoxin chemotypes and distribution were identified. Among the 175 isolates, 123 were Fusarium asiaticum; 95 of these were the chemotype 3-acetyl-deoxynivalenol (3-AcDON) and 28 were nivalenol (NIV). Thirty-seven isolates belonged to F. graminearum, which were all 15-AcDON. Smaller numbers of isolates consisted of F. acuminatum, F. pseudograminearum, and F. avenaceum. The virulence of F. asiaticum and F. graminearum isolates on wheat crowns and heads was comparable. The virulence of isolates of the DON and NIV chemotype were statistically similar, but DON tended to be more aggressive. The DON concentrations in grains from wheat heads inoculated with isolates causing either Fusarium head blight or crown rot were similar. In the five provinces, F. asiaticum of the 3-AcDON chemotype was the predominant pathogen causing crown rot, followed by F. graminearum. Recent changes in causal Fusarium species, chemotypes, and distribution in China are discussed.

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