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1

Antagonistic bacteria in relation to Pseudomonas syringae pv. syringae occurring in necroses and cankers of sour cherry trees

100%
Sobiczewski P.
Fruit Science Reports
|
1987
|
tom 14
|
nr 4
2

Wystepowanie raka bakteryjnego [Pseudomonas siringae pv. siringae Van Hall.] na gruszach

81%
Jaremek-Kamieniecka L., Piwoni A.
Progress in Plant Protection
|
1998
|
tom 38
|
nr 2
524-526
3
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Identification and characterization of Pseudomonas syringae pv. syringae strains from various plants and geographical regions

72%
Khezri M., Mohammadi M.
Journal of Plant Protection Research
|
2018
|
tom 58
|
nr 4
Pseudomonas syringae pv. syringae (Pss) constitutes a diverse group of bacterial strains that cause canker of stone fruits, blight of cereals and red streak of sugarcane. The purpose of this study was to determine how diverse Iranian strains of Pss are when they come from different hosts. We compared a total of 32 Pss strains isolated from stone fruits, barley, wheat and sugarcane from different geographical regions of Iran based on their phenotypic and molecular properties. Strains showed some variation regarding carbon and nitrogen utilization. Pss strains were similar in their protein banding patterns. Additional bands were found in sugarcane strains. Most strains showed one indigenous plasmid DNA and a few had two and some none. The genes of syrB and syrD encoding syringomycin synthesis and secretion, respectively, were amplified using specific primers in polymerase chain reaction. Syringomycin, producing strains amplified two DNA fragments of 752 and 446 bp representing syrB and syrD genes, respectively. Primer specificity was shown for Pss using various genera. Based on the results of this study, it is suggested that Pss strains from different hosts and geographical regions show diversity in phenotypic and molecular characters. It is thought that phenotypic variation is due to adaptation to specific hosts and niches for survival and pathogenicity.
4

Choroby drewna i kory

58%
Grabowski M.
Sad Nowoczesny
|
2010
|
tom [38]
|
nr 03
5
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Efficacy of biochemical preparations and extract from Hypericum perforatum against bacterial diseases

51%
Schollenberger M., Pudlo S., Paduch-Cichal E., Mirzwa-Mroz E.
Acta Scientiarum Polonorum. Hortorum Cultus
|
2019
|
tom 18
|
nr 3
The biotechnical preparations: Biosept Active (based on a grapefruit extract) and BioZell (based on thyme oil) as well as Hypericum perforatum extract, streptomycin solution and fungicide Champion 50WP (active ingredient substance – e.i. 50% copper hydroxide) were investigated for antimicrobial effects against plant pathogenic bacteria: Agrobacterium tumefaciens, Pseudomonas syringae pv. syringae and Xanthomonas arboricola pv. corylina. The screening was carried out in vitro on three media: Nutrient Agar (NA Difco), Pseudomonas Agar F (Merck) – analogue of King B and 523. In the experiments, the agar plate method was applied. There were no statistically significant differences in the effect of streptomycin and Champion 50WP on the growth inhibition of three bacteria strains for medium 523 and Nutrient Agar and of P. syringae pv. syringae and X. arboricola pv. corylina for medium King B. It was determined that the antibacterial activity of Biosept Active and BioZell biopreparations and H. perforatum extract against Agrobacterium tumefaciens (strain C58), Pseudomonas syringae pv. syringae (strain 760) and Xanthomonas arboricola pv. corylina (strain RIPF-x13) were dependent on the strain of pathogen as well as the growth medium used. According to the research results obtained, the Biosept Active preparation and H. perforatum extract demonstrated high bacteriostatic activity against three bacterial strains grown on the Nutrient Agar medium.
6

Choroby owoców papryki w uprawie polowej

37%
Jamiolkowska A.
Hasło Ogrodnicze
|
2008
|
nr 07
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