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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)
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... -
Phenotypic and Genotypic Analysis of Rice Lesion Mimic Mutants
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 2호 9 159-169 (11 pages)
spotted leaf (spl) including spl1, spl3, spl4, spl5 and spl6 are genetically known as lesion resembling disease (lrd) mutant. The inheritance patterns in the F1 and F2 progenies of these mutants are controlled by recessive genetic factors. Lesion development in the rice LMMs were controlled by both development stages and environmental factors. The rice LMMs exhibited higher numbers of spots under 45oC temperature than those under 30oC. Contents of chlorophyll were drastically reduced at 60 days... -
Molecular Characterization and Survey of the Infection Rate of Orchid fleck virus in Commercial Orchids
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 2호 5 130-138 (9 pages)
Orchid fleck virus (OFV) is an unassigned plant virus in the family Rhabdoviridae. OFV was isolated from Cymbidium sp. showing oval necrotic lesions on their leaves in Korea, and designated as OFV-NHHS1. The complete nucleotide sequence of the RNA1 (6,413 nt) (GenBank accession no. AB516442) and RNA2 (6,001 nt) (GenBank accession no. AB516441) was determined in this study. RNA1 and RNA2 contained five and one ORF respectively. RNA1 encodes nucleocapsid (N) of 49 kDa, ORF2 of 26 kDa, ORF3 of 38... -
Taxonomic Position of Korean Isolates of Rhizoctonia solani Based on RAPD and ITS Sequencing of Ribosomal DNA
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 1호 12 83-89 (7 pages)
Taxonomic position of 46 Korean isolates of Rhizoctonia solani which were classified into nine intraspecific groups by anastomosis and cultural characteristics was analyzed by randomly amplified polymorphic DNA (RAPD) and sequence analyses of the internal transcribed spacer (ITS) regions of ribosomal DNA. All the isolates within each group showed highly similar band patterns in RAPD. The ITS regions of the isolates within the same groups showed a high level of sequence similarity above 96.0%... -
A Short-chain Dehydrogenase/reductase Gene is Required for Infection-related Development and Pathogenicity in Magnaporthe oryzae
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 1호 2 8-16 (9 pages)
The phytopathogenic fungus Magnaporthe oryzae is a major limiting factor in rice production. To understand the genetic basis of M. oryzae pathogenic development, we previously analyzed a library of T-DNA insertional mutants of M. oryzae, and identified ATMT0879A1 as one of the pathogenicity-defective mutants. Molecular analyses and database searches revealed that a single TDNA insertion in ATMT0879A1 resulted in functional interference with an annotated gene, MGG00056, which encodes a... -
Evaluation of a Fungal Strain, Myrothecium roridum F0252, as a Bioherbicide Agent
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2008, 24권 4호 12 453-460 (8 pages)
In the course of in vitro and in vivo screening for bioherbicidal agents, a hyphomycete fungus, Myrothecium sp. F0252 was selected as a candidate for the biocontrol of weeds. The isolate was identified as Myrothecium roridum Tode ex. Fries based on the morphological characteristics and 18S ribosomal DNA sequence analysis and registered as Myrothecium roridum F0252. In order to evaluate the in vitro effect of M. roridum F0252 on germination of ladino clover and white clover (Trifolium repens L.)... -
The First Report of Fusarium solani Causing Wilting in Cnidium officinale in Korea
Kyeungmin Han, Hyoshin Lee, Yun Mi Park, Kwon Seok Jeon, Wonsu Choen, Chung Ryul Jung 한국식물병리학회 식물병연구 3 Pages
한국식물병리학회 식물병연구 2021, 27권 2호 5 76-78 (3 pages)
Cnidium officinale is a perennial herb belonging to the family Umbelliferae. Its origin is China and is also dis- tributed in Korea and Japan. In 2017, a phenomenon of browning and wilting of leaves was discovered in the cultivation field of the National Institute of Forest Science, Suwon, Korea. The pathogens isolated from plants were consistent with Fusarium solani as a result of morphological examination and molecular phylogenetic analysis. This is the first record of F. solani on C.... -
First Report of Botrytis Mold Caused by Botrytis cinerea on Peonies (Paeonia lactiflora Pall.)
Hyo Jeong Kim, Min Young Park, Kyung-Cheol Ma, Young Cheol Kim 한국식물병리학회 식물병연구 4 Pages
한국식물병리학회 식물병연구 2020, 26권 4호 11 279-282 (4 pages)
at the leaf margins. The lesions extended to the interior of leaves forming irregular spots in which abundant conidia developed. Fungal colonies were obtained from surface-sterilized tissue excised from growing edges of the lesions that were transferred to potato dextrose agar. Melanized irregular sclerotia were formed in these colonies after 40 days at 8°C. Molecular phylogeny based on sequences of genes for glyceraldehyde-3-phosphate dehydrogenase, heat-shock protein 60, and RNA polymerase... -
당근검은잎마름병균 Alternaria dauci에 대한 살균제 효과 검정 및 병원 균 집단에 대한 저항성 검정
도지원, 민지영, 김용수, 박용, 김흥태 한국식물병리학회 식물병연구 11 Pages
한국식물병리학회 식물병연구 2020, 26권 2호 1 61-71 (11 pages)
당근검은잎마름병균인 Alternaria dauci KACC42997에 대해 서 32개 살균제를 선발하여 균사생장 억제효과를 조사한 결과, ‘다2‘군, ’다5‘군, ’사1‘군, ’마2‘군, ’마3‘군에 속하는 살균제의 균사 생장 억제효과가 우수하였다. Iminoctadine tris-albesilate를 제외한 ‘카’군에 속하는 보호살균제와 ’다3‘군에 속하는 pyra- clostrobin은 병원균의 포자발아를 억제하는 효과가 우수하였 다. 균사생장 억제효과가 우수했던 숙신산탈수소효소 활성을 저해하는 ’다2‘군과 탈메틸효소 활성을 저해하는 ’사1‘군 살균 제는...
