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2401.

Research Notes : Biocontrol of Tomato Fusarium Wilt by a Novel Genotype of 2,4-Diacetylphloroglucinol-producing Pseudomonas sp. NJ134

한국식물병리학회 The Plant Pathology Journal 8 Pages

한국식물병리학회 The Plant Pathology Journal 2012, 28권 1호 13 93-100 (8 pages)

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The rhizobacterium NJ134, showing strong in vitro antifungal activity against Fusarium oxysporum, was isolated from field grown tomato plants and identified as Pseudomonas sp. based on 16S ribosomal DNA sequence and biochemical analyses. The antifungal compound purified by gas chromatography-mass spectrometry, infrared, and nuclear magnetic resonance analyses from NJ134 cultures was polyketide 2,4-diacetylphloroglucinol (DAPG). Analysis of the sequence of part of one of the genes associated with...
2402.

Research Articles : Antagonistic Potential of Fluorescent Pseudomonads and Control of Crown and Root Rot of Cucumber Caused by Phythophtora drechsleri

한국식물병리학회 The Plant Pathology Journal 9 Pages

한국식물병리학회 The Plant Pathology Journal 2012, 28권 1호 1 1-9 (9 pages)

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an in vitro test for root colonization, the population density on roots of plants treated with most of the above strains was more than 6 log10 CFU g-1 roots, with a maximum of 7.99 log10 CFU g-1 roots for strain 58A. Most of the strains promoted significant plant growth in comparison to non-treated controls. In green house studies, the percentage of healthy plants in pots treated with strains 58A and 8B was 90.8% and 88.7%, respectively. The difference between these treatments and treatment with...
2403.

Management of Tomato Root-knot Nematode Meloidogyne incognita by Plant Extracts and Essential Oils

한국식물병리학회 The Plant Pathology Journal 4 Pages

한국식물병리학회 The Plant Pathology Journal 2009, 25권 2호 12 189-192 (4 pages)

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- 1,500원
root-knot nematode Meloidogyne incognita under greenhouse and field conditions. In vitro study, all tested treatments had nematicidal effect on nematode juveniles after 24 and 48 hours from exposures. The highest percentage of nematode mortality was achieved by application of neem extract (65.4%), essential oils (64.4%) and marigold extract (60.5%), followed by garlic and eucalyptus extracts (38.7-39.5%). Under greenhouse and field conditions, neem extract and essential oils treatments were more...
2404.

Antifungal Activity of Five Plant Essential Oils as Fumigant Against Postharvest and Soilborne Plant Pathogenic Fungi

한국식물병리학회 The Plant Pathology Journal 6 Pages

한국식물병리학회 The Plant Pathology Journal 2007, 23권 2호 9 97-102 (6 pages)

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- 3,000원
of the five fungi tested. Both Cuminum cyminum and Eucalyptus citriodora oils displayed in vitro antifungal activities against four phytopathogenic fungi except for Colletotrichum gloeosporioides. The essential oil of Thymus vulgaris suppressed the mycelial growth of C. gloeosporioides, Fusarium oxysporum and Rhizoctonia solani and that of Cymbopogon citratus was active to only F. oxysporum. The chemical compositions of the five active essential oils were determined by gas chromatography-mass...
2405.

The Biocontrol Activity of Chromobacterium sp. Strain C-61 against Rhizoctonia solani Depends on the Productive Ability of Chitinase

한국식물병리학회 The Plant Pathology Journal 8 Pages

한국식물병리학회 The Plant Pathology Journal 2005, 21권 3호 12 275-282 (8 pages)

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detected in strain C-61 but increased largely in C-61A, C61-B and C61-C.Activities of chitinase and Nahase appeared to be negatively correlated in these strains. Another mutant, C-61D, produced no detectable extracellular chitinase and Nahase. The in vitro and in vivo biocontrol activities of strain C-61 and its mutants were closely related to their ability to produce chitinase but not Nahase. No significant differences in population densities between strain C-61 and its mutants were observed in...
2406.

A Subpopulation of RNA3 of Cucumber mosaic virus Quasispecies

한국식물병리학회 The Plant Pathology Journal 7 Pages

한국식물병리학회 The Plant Pathology Journal 2003, 19권 4호 6 210-216 (7 pages)

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of CMV lily isolates were highly conserved, however, quasispecies was detected from all three sources in low level, containing subpopulations of RNA3. These subpopulations of RNA3 were inoculated onto zucchini squash by in vitro transcripts from corresponding full-length cDNA clones together with Fny RNA1 and 2 transcripts. The systemic symptom of zucchini plants infected by these quasispecies was chlorotic spotting, which was milder than severe mosaic and stunt symptom caused by Fny-CMV. The...
2407.

Effect of Prochloraz on Electrolytic Leakage and Spore Germination of Puccinia recondita Causing Wheat Leaf Rust

한국식물병리학회 The Plant Pathology Journal 6 Pages

한국식물병리학회 The Plant Pathology Journal 2003, 19권 4호 1 189-194 (6 pages)

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- 3,000원
activity. Disease control activity of ergosterol biosynthesis inhibitors (EBIs) and their activities on uredospore membrane permeability and germination were examined with wheat leaf rust pathogen, both in vitro and in vivo. While wheat leaf rust was not controlled by prochloraz, electrolytic leakage and spore germination of P. recondita uredospore was the highest with the use of prochloraz among the eight fungicides tested. Prochloraz stimulated uredospore of P. recondita to germinate at a...
2408.

Biological Control of Fusarium Wilt Disease of Pigeonpea

한국식물병리학회 The Plant Pathology Journal 5 Pages

한국식물병리학회 The Plant Pathology Journal 2002, 18권 5호 8 279-283 (5 pages)

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Biological control of Fusarium udum causing wilt disease of pigeonpea was studied in vitro, as well as, in vivo. Aspergillus flavus, Aspergillus niger, Bacillus licheniformis (strain-2042), Gliocladium virens, Penicillium citrinum, and Trichoderma harzianum, which were found to be the most potent ones in inhibiting the radial colony growth of the test pathogen, were used as biological control by amending their inocula at different concentrations in pots and in pathogen-infested soil in the...
2409.

Cloning of the 5`-end and Amplification of Full-Length Cdna of Genomic RNA of Lily symptomless virus

한국식물병리학회 The Plant Pathology Journal 5 Pages

한국식물병리학회 The Plant Pathology Journal 2002, 18권 4호 3 187-191 (5 pages)

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non-translated region consists of 67 nucleotides long of AT rich stretch followed GC rich from the 5`-end. To produce full-length cDNA products for the viral genomic RNA, a set of LSV-specific primers could be designed based on the obtained sequence in this study and the known sequences of 3`-terminal region for the virus. Full-length cDNA copies of LSV, an 8.4 kb long, were directly amplified by the long-template RT-PCR technique from the purified viral genomic RNA samples. This full-length cDN...
2410.

메뚜기 체내와 체외에서 혈구생성 경로 추적에 관한 연구

장병수, Chang. Byung-Soo 한국현미경학회 한국전자현미경학회지 13 Pages

한국현미경학회 한국전자현미경학회지 2003, Vol.33 No.2 131-143 (13 pages)

장병수, Chang. Byung-Soo 저

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메뚜기 체내와 체외에서 혈구 분화경로를 광학현미경과 전자현미경으로 관찰하였다. 조혈기관에서 혈구의 형성은 망상세포에 둘러싸인 줄기세포에서부터 유래되었으며, 줄기세포에서부터 원시혈구, 무정형혈구, I형 과립혈구, II형 과립혈구, 소구혈구 및 편도혈구가 각각 분화되는 것을 확인하였다. 곤충배지에 배양된 조혈조직에서 각각 다른 형태의 혈구들이 분화되어 방출되었다. 그러나, 이들 혈구들의 유사분열상은 관찰되지 않았다. 배지의 조혈기관에서 분화된 세포들의 형태학적 특징들은 메뚜기 체내의 조혈기관에서 분화된...

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