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1021.

Open Access : Xanthomonas oryzae pv. oryzae RpfE Regulates Virulence and Carbon Source Utilization without Change of the DSF Production

한국식물병리학회 The Plant Pathology Journal 10 Pages

한국식물병리학회 The Plant Pathology Journal 2013, 29권 4호 2 364-373 (10 pages)

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- 3,000원
It has been known that most regulation of pathogenicity factor (rpf ) genes in xanthomonads regulates virulence in response to the diffusible signal factor, DSF. Although many rpf genes have been functionally characterized, the function of rpfE is still unknown. We cloned the rpfE gene from a Xanthomonas oryzae pv. oryzae (Xoo) Korean race KACC10859 and generated mutant strains to elucidate the role of RpfE with respect to the rpf system. Through experiments using the rpfE-deficient mutant...
1022.

Evaluation of Watermelon Germplasm for Resistance to Phytophthora Blight Caused by Phytophthora capsici

한국식물병리학회 The Plant Pathology Journal 6 Pages

한국식물병리학회 The Plant Pathology Journal 2013, 29권 1호 10 87-92 (6 pages)

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- 3,000원
This study was conducted to determine the Phytophthora rot resistance of 514 accessions of watermelon germplasm, Citrullus lanatus var lanatus. About 46% of the 514 accessions tested were collections from Uzbekistan, Turkey, China, U.S.A., and Ukraine. Phytophthora capsici was inoculated to 45-day-old watermelon seedlings by drenching with 5 ml of sporangial suspension (106 sporangia/ml). At 7 days after inoculation, 21 accessions showed no disease symptoms while 291 accessions of susceptible...
1023.

Identification of a Gene Encoding Adenylate Kinase Involved in Antifungal Activity Expression of the Biocontrol Strain Burkholderia pyrrocinia CH-67

한국식물병리학회 The Plant Pathology Journal 8 Pages

한국식물병리학회 The Plant Pathology Journal 2012, 28권 4호 4 373-380 (8 pages)

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- 3,000원
Burkholderia pyrrocinia CH-67 is a biocontrol bacterium with strong antifungal activity against several plant pathogenic fungi. Transposon mutagenesis was performed to identify the genes responsible for the antifungal activity of B. pyrrocinia CH-67. Of the 2,500 mutants tested using the Fulvia fulva spore screening method, a mutant deficient in antifungal activity, M208, was selected. DNA sequence analysis of the transposon-inserted region revealed that a gene encoding an adenylate...
1024.

Response of Bentgrass Cultivars to Microdochium nivale Isolates Collected from Golf Courses

한국식물병리학회 The Plant Pathology Journal 10 Pages

한국식물병리학회 The Plant Pathology Journal 2011, 27권 3호 4 232-241 (10 pages)

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- 3,000원
experiments. The positive correlation of the susceptibility between growth chamber experiments and field trials demonstrates that the growth chamber method is a useful technique for saving time, space and labor to evaluate efficiently pink snow mold susceptibility of bentgrass cultivars. This study could be applied to evaluating susceptibility of bentgrass to pink snow mold and also predicting a prospective evaluation of bentgrass cultivars to pink snow mold in fields in a breeding program.
1025.

Genetic Reassortment of Rice stripe virus RNA Segments Detected by RT-PCR Restriction Enzyme Analysis-based Method

한국식물병리학회 The Plant Pathology Journal 8 Pages

한국식물병리학회 The Plant Pathology Journal 2011, 27권 2호 7 148-155 (8 pages)

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- 3,000원
Our previous sequence and phylogenetic analyses of the Korean Rice stripe virus (RSV) suggested possible genetic reassortment of RNA segments, but whether this RNA variation contributed to the recent RSV outbreaks in Korea is yet unclear. To further clarify these RSVRNA segment variations, we developed a reverse transcription- polymerase reaction/restriction enzyme (RTPCR/ RE) analysis-based method. We identified five REs, including DraI, EcoR1, NdeI/AseI, and SpeI, that could differentiate RSV...
1026.

Aggressiveness in Plasmopara halstedii (sunflower downy mildew)

한국식물병리학회 The Plant Pathology Journal 6 Pages

한국식물병리학회 The Plant Pathology Journal 2011, 27권 2호 2 110-115 (6 pages)

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- 3,000원
Aggressiveness was studied in seven Plasmopara halstedii (sunflower downy mildew) pathotypes: 100, 300, 304, 314, 704, 710 and 714. Aggressiveness criteria including percentage infection, latent period, sporulation density and reduction of hypocotyl length (dwarfing) were analysed in one sunflower inbred line showing a high level of quantitative resistance. Genetic relationships were detected between the seven pathotypes using 12 ESTderived markers. Pathotypes 100, 300, 304 and 314 were...
1027.

Genetic Stability of Magnaporthe oryzae during Successive Passages through Rice Plants and on Artificial Medium

한국식물병리학회 The Plant Pathology Journal 8 Pages

한국식물병리학회 The Plant Pathology Journal 2010, 26권 4호 3 313-320 (8 pages)

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- 3,000원
Genetic instability of the rice blast fungus Magnaporthe oryzae has been suggested as a major factor underlying the rapid breakdown of host resistance in the field. However, little information is available on the mechanism of genetic instability. In this study, we assessed the stability of repetitive DNA elements and several key phenotypic traits important for pathogenesis after serially transferring two isolates though rice plants and an artificial medium. Using isolate 70-15, we obtained a...
1028.

Pathogenic Groups Identified Among Isolates of Rhynchosporium secalis

한국식물병리학회 The Plant Pathology Journal 4 Pages

한국식물병리학회 The Plant Pathology Journal 2010, 26권 3호 8 260-263 (4 pages)

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- 1,500원
Scald, caused by Rhynchosporium secalis has been the major yield-reducing factor for barley production during the last decade. In this study, pathogenic groups of R. secalis were identified to obtain a global picture of the assembly of isolates involved in Syrian populations which is essential for the development of scald-resistant barley cultivars. To identify a number of pathogenic groups, 49 isolates collected over ten years from major barley growing areas in Syria were evaluated on five...
1029.

Screening of Rice Blast Resistance Genes from Aromatic Rice Germplasms with SNP Markers

한국식물병리학회 The Plant Pathology Journal 10 Pages

한국식물병리학회 The Plant Pathology Journal 2010, 26권 1호 10 70-79 (10 pages)

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- 3,000원
Rice blast is one of the serious devastating diseases. This study was carried out to determine the genetic diversities of blast resistance (R) genes form 86 accessions of aromatic rice with eight SNP markers, z4792, zt4792, z60510, zt6057, k6415, k6411, k39575 and t256, which showed the close-set linkage to 6 major genes, Piz, Piz-t, Pik, Pik-m, Pik-p, and Pit. Four accessions of indica type, Mayataung, Yekywin Yinkya Hmwe, Basmati9-93, and Basmati5854, showed the positive amplicons of six major...
1030.

국내 종자전염 규제 식물병원세균 조사

홍연석, 최현주, 이인경, 임연정, 박성우, 남봉우, 이부자, 박덕환 한국식물병리학회 식물병연구 10 Pages

한국식물병리학회 식물병연구 2020, 26권 3호 2 134-143 (10 pages)

홍연석, 최현주, 이인경, 임연정, 박성우, 남봉우, 이부자, 박덕환 저
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- 3,000원
본 논문에서는 종자전염 식물병원세균을 규정하였다. 국내금지병해충 목록에서 세균 4종 및 파이토플라즈마 2종, 그리고관리병해충 목록 중 세균 35종 및 파이토플라즈마 17종을 대상으로 종자내부 또는 유묘에서 병원세균을 검출한 문헌조사를실시하였다. 금지 식물병원세균 2종, 관리 식물병원세균 18종 및 관리 파이토플라즈마 1종이 종자전염 식물병원세균으로 판명되었다. 이에 이들 종자전염 식물병원세균들에 대한 근거를제시하였으며, 향후 수입종자의 검역을 위한 기본자료로 활용될 수 있을 것으로 생각된다.

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