scholarly journals The Influence Of Different Crops On The Development Of Fungus Polymyxa Betae K.

2016 ◽  
Vol 8 (1-2) ◽  
pp. 70-73
Author(s):  
M. P. Solomiychuk ◽  
◽  
М. М. Kyryk ◽  
Keyword(s):  
Polymyxa Betae

Resistance to Polymyxa betae in wild Beta species

1995 ◽  
Vol 44 (2) ◽  
pp. 301-307 ◽  
Author(s):  
K. J. BARR ◽  
M. J. C. ASHER ◽  
B. G. LEWIS
Keyword(s):  
Polymyxa Betae ◽  
Beta Species ◽  
Wild Beta Species

scholarly journals First Report of Rhizomania Disease of Sugar Beet Caused by Beet necrotic yellow vein virus in the Great Lakes Production Region

Plant Disease ◽  
2003 ◽  
Vol 87 (2) ◽  
pp. 201-201 ◽  
Author(s):  
William M. Wintermantel ◽  
Teresa Crook ◽  
Ralph Fogg
Keyword(s):  
Sugar Beet ◽  
Great Lakes ◽  
Beta Vulgaris ◽  
Yellow Vein ◽  
Enzyme Linked Immunosorbent Assay ◽  
Great Lakes Region ◽  
Polymyxa Betae ◽  
Mechanical Inoculation ◽  
Production Region ◽  
Das Elisa

Rhizomania, caused by Beet necrotic yellow vein virus (BNYVV) and vectored by the soilborne fungus Polymyxa betae Keskin, is one of the most economically damaging diseases affecting sugar beet (Beta vulgaris L.). The virus likely originated in Europe and was first identified in California in 1983 (1). It has since spread among American sugar beet production regions in spite of vigorous sanitation efforts, quarantine, and disease monitoring (3). In the fall of 2002, mature sugar beet plants exhibiting typical rhizomania root symptoms, including proliferation of hairy roots, vascular discoloration, and some root constriction (2) were found in several fields scattered throughout central and eastern Michigan. Symptomatic beets were from numerous cultivars, all susceptible to rhizomania. Two to five sugar beet root samples were collected from each field and sent to the USDA-ARS in Salinas, CA for analysis. Hairy root tissue from symptomatic plants was used for mechanical inoculation of indicator plants. Mechanical inoculation produced necrotic lesions on Chenopodium quinoa and systemic infection of Beta vulgaris ssp. macrocarpa, both typical of BNYVV and identical to control inoculations with BNYVV. Symptomatic sugar beet roots were washed and tested using double antibody sandwich-enzyme linked immunosorbent assay (DAS-ELISA) for the presence of BNYVV using standard procedures and antiserum specific for BNYVV (3). Sugar beet roots were tested individually, and samples were considered positive when absorbance values were at least three times those of greenhouse-grown healthy sugar beet controls. Samples were tested from 16 fields, with 10 confirmed positive for BNYVV. Positive samples had mean absorbance values ranging from 0.341 to 1.631 (A405nm) after 30 min. The mean healthy control value was 0.097. Fields were considered positive if one beet tested positive for BNYVV, but in most cases, all beets tested from a field were uniformly positive or uniformly negative. In addition, soil-baiting experiments were conducted on seven of the fields. Sugar beet seedlings were grown in soil mixed with equal parts of sand for 6 weeks and were subsequently tested using DAS-ELISA for BNYVV. Results matched those of the root sampling. Fields testing positive for BNYVV were widely dispersed within a 100 square mile (160 km2) area including portions of Gratiot, Saginaw, Tuscola, and Sanilac counties in the central and eastern portions of the Lower Peninsula of Michigan. The confirmation of rhizomania in sugar beet from the Great Lakes Region marks the last major American sugar beet production region to be diagnosed with rhizomania disease, nearly 20 years after its discovery in California (1). In 2002, there were approximately 185,000 acres (approximately 75,00 ha) of sugar beet grown in the Great Lakes Region, (Michigan, Ohio, and southern Ontario, Canada). The wide geographic distribution of infested fields within the Michigan growing area suggests the entire region should monitor for symptoms, increase rotation to nonhost crops, and consider planting rhizomania resistant sugar beet cultivars to infested fields. References:(1) J. E. Duffus et al. Plant Dis. 68:251, 1984. (2) J. E. Duffus. Rhizomania. Pages 29–30 in: Compendium of Beet Diseases and Insects, E. D. Whitney and J. E. Duffus eds. The American Phytopathological Society, St. Paul, MN, 1986. (3) G. C. Wisler et al. Plant Dis. 83:864, 1999.

Infection of sugar beet by Polymyxa betae in relation to soil temperature

1991 ◽  
Vol 40 (2) ◽  
pp. 257-267 ◽  
Author(s):  
S. J. BLUNT ◽  
M. J. C. ASHER ◽  
C. A. GILLIGAN
Keyword(s):  
Sugar Beet ◽  
Soil Temperature ◽  
Polymyxa Betae

Karyotypic analysis of Polymyxa graminis (Plasmodiophoromycetes) based on serial sections of synaptonemal complexes

1984 ◽  
Vol 62 (11) ◽  
pp. 2414-2416 ◽  
Author(s):  
James P. Braselton
Keyword(s):  
Polymyxa Betae ◽  
Serial Sections ◽  
Haploid Number ◽  
Karyotypic Analysis ◽  
Thin Sections ◽  
Polymyxa Graminis ◽  
Synaptonemal Complexes

Three pachytene nuclei of Polymyxa graminis Ledingham were reconstructed from serial thin sections. Thirty synaptonemal complexes (SCs) were counted, indicating the identical haploid number (30) that was reported for Polymyxa betae. SCs of P. graminis and P. betae were similar in structure, and nuclear volumes and total lengths of SCs per nucleus were not significantly different for the two species.

Real-time analysis of Polymyxa betae GST expression in infected sugar beet

2003 ◽  
Vol 4 (3) ◽  
pp. 171-176 ◽  
Author(s):  
Crawford S. Kingsnorth ◽  
Amanda J. Kingsnorth ◽  
Paul A. Lyons ◽  
Daphne M. Chwarszczynska ◽  
Michael J. C. Asher
Keyword(s):  
Sugar Beet ◽  
Real Time ◽  
Polymyxa Betae ◽  
Time Analysis ◽  
Real Time Analysis

Der Infektionsvorgang bei Polymyxa betae

1969 ◽  
Vol 68 (3) ◽  
pp. 218-226 ◽  
Author(s):  
B. Keskin ◽  
W. H. Fuchs
Keyword(s):  
Polymyxa Betae

Karyotypic analysis of Polymyxa betae (Plasmodiophoromycetes) based on serial thin sections of pachytene nuclei

1983 ◽  
Vol 61 (12) ◽  
pp. 3202-3206 ◽  
Author(s):  
James P. Braselton
Keyword(s):  
Chromosome Number ◽  
Plasmodiophora Brassicae ◽  
Polymyxa Betae ◽  
Karyotypic Analysis ◽  
Thin Sections ◽  
Haploid Chromosome Number ◽  
Synaptonemal Complexes

Three pachytene nuclei of Polymyxa betae Keskin were reconstructed from serial thin sections. Thirty synaptonemal complexes (SCs) were counted, indicating a haploid chromosome number of 30. SCs of Polymyxa were similar to those of Sorosphaera veronicae Schroeter and Membranosorus heterantherae Ostenfeld and Peterson but differed from SCs of Plasmodiophora brassicae Woron. and Woronina pythii Goldie-Smith.

Inoculum potential and host range of Polymyxa betae and beet necrotic yellow vein furovirus

EPPO Bulletin ◽  
1989 ◽  
Vol 19 (3) ◽  
pp. 517-525 ◽  
Author(s):  
J. P. GOFFART ◽  
V. HORTA ◽  
H. MARAITE
Keyword(s):  
Host Range ◽  
Yellow Vein ◽  
Inoculum Potential ◽  
Polymyxa Betae
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