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      Fatty Alcohol Ethoxylate에 의해 유도되는 Dimethomorph의 오이 엽면 침투 기작

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      https://www.riss.kr/link?id=A76192644

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      다국어 초록 (Multilingual Abstract)

      The foliar uptake of dimethomorph into cucumber was assessed by spray application of aqueous dimethomorph solution containing fatty alcohol ethoxylate (FAE) or fatty acid alkyl ester as activator adjuvants. Afterward, the possible mechanism of action of FAE on foliar penetration of active ingredient was suggested by speculating on the effect of lipophile and hydrophile of FAEs. The amount of absorbed dirnethomorph induced by polyoxyethylene mono-9-octadecenyl ether (6 moles ethylene oxide, C₁?=?E?) was linearly related to the concentrations of surfactant as well as dimethomorph in spray solution, suggesting that it is simply a diffusion phenomenon of the solute molecule through a cuticular membrane from leaf surface. Octadecanol attached to FAE was most effective lipophile on the leaf penetration of dimethomorph, And, the more ethylene oxide had the polyoxyethylene chain of FAE up to 20 moles, the higher the uptake rate was. Therefore, the role of lipophile of FAE on dirnethomorph penetration to cucumber leaf, probably, is to modify the physico-chemical properties of cuticular membrane to be permeable to dimethomorph, and the polyoxyethylene chain having less than 20 moles ethylene oxide, which is moderately permeable to cuticular membrane by its molar volume, is to let the physically-modified cuticular membrane to be maintained for a longtime.
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      The foliar uptake of dimethomorph into cucumber was assessed by spray application of aqueous dimethomorph solution containing fatty alcohol ethoxylate (FAE) or fatty acid alkyl ester as activator adjuvants. Afterward, the possible mechanism of action ...

      The foliar uptake of dimethomorph into cucumber was assessed by spray application of aqueous dimethomorph solution containing fatty alcohol ethoxylate (FAE) or fatty acid alkyl ester as activator adjuvants. Afterward, the possible mechanism of action of FAE on foliar penetration of active ingredient was suggested by speculating on the effect of lipophile and hydrophile of FAEs. The amount of absorbed dirnethomorph induced by polyoxyethylene mono-9-octadecenyl ether (6 moles ethylene oxide, C₁?=?E?) was linearly related to the concentrations of surfactant as well as dimethomorph in spray solution, suggesting that it is simply a diffusion phenomenon of the solute molecule through a cuticular membrane from leaf surface. Octadecanol attached to FAE was most effective lipophile on the leaf penetration of dimethomorph, And, the more ethylene oxide had the polyoxyethylene chain of FAE up to 20 moles, the higher the uptake rate was. Therefore, the role of lipophile of FAE on dirnethomorph penetration to cucumber leaf, probably, is to modify the physico-chemical properties of cuticular membrane to be permeable to dimethomorph, and the polyoxyethylene chain having less than 20 moles ethylene oxide, which is moderately permeable to cuticular membrane by its molar volume, is to let the physically-modified cuticular membrane to be maintained for a longtime.

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      참고문헌 (Reference)

      1 Stock, D., "Surfactant-inhanced foliar uptake of some organic compounds: Interractions with two model polyoxyethylene alipatic alcohols" 34 : 233-242, 1992

      2 Stevens, P. J. G., "Studies on octylphenoxy surfactants. Part 2: Effects on foliar uptake and translocation" 20 : 37-52, 1987

      3 Yu, J. H., "Review of the study on the surfactant-induced foliar uptake of pesticide" 6 : 16-24, 2000

      4 Stock, D., "Possible mechanisms for surfactant-induced foliar uptake of agrochemicals" 38 : 165-177, 1993

      5 Kerler, F., "Permeation of lipophilic chemicals across plant cuticles: Prediction from octanol/water partition coefficients and molecular volumes" 17 : 7-12, 1988

      6 Schonherr, J., "Modelling penetration of plant cuticles by crop protection agents and effects of adjuvants on their rates of penetration" 42 : 185-208, 1994

      7 Schreiber, L., "Mobilities of organic compounds in reconstituted cuticular wax of barley leaves: Effects of monodisperse alcohol ethoxylates on diffusion of pentachlorophenol and tetracosanoic acid" 48 : 117-124, 1996

      8 Yu, J. H., "Influence of surfactants on foliar uptake of dimethomorph into cucumber plant and fungicidal activity against cucumber downy mildew" 44 : 109-115, 2001

      9 Tomlin, C. D. S., "In ‘The Pesticide Manual’ Twelfth Ed" British Crop Protection Council 2000

      10 Kirkwood, R. C., "In Target sites for Herbicide Action" Plenum Press 219-243, 1991

      1 Stock, D., "Surfactant-inhanced foliar uptake of some organic compounds: Interractions with two model polyoxyethylene alipatic alcohols" 34 : 233-242, 1992

      2 Stevens, P. J. G., "Studies on octylphenoxy surfactants. Part 2: Effects on foliar uptake and translocation" 20 : 37-52, 1987

      3 Yu, J. H., "Review of the study on the surfactant-induced foliar uptake of pesticide" 6 : 16-24, 2000

      4 Stock, D., "Possible mechanisms for surfactant-induced foliar uptake of agrochemicals" 38 : 165-177, 1993

      5 Kerler, F., "Permeation of lipophilic chemicals across plant cuticles: Prediction from octanol/water partition coefficients and molecular volumes" 17 : 7-12, 1988

      6 Schonherr, J., "Modelling penetration of plant cuticles by crop protection agents and effects of adjuvants on their rates of penetration" 42 : 185-208, 1994

      7 Schreiber, L., "Mobilities of organic compounds in reconstituted cuticular wax of barley leaves: Effects of monodisperse alcohol ethoxylates on diffusion of pentachlorophenol and tetracosanoic acid" 48 : 117-124, 1996

      8 Yu, J. H., "Influence of surfactants on foliar uptake of dimethomorph into cucumber plant and fungicidal activity against cucumber downy mildew" 44 : 109-115, 2001

      9 Tomlin, C. D. S., "In ‘The Pesticide Manual’ Twelfth Ed" British Crop Protection Council 2000

      10 Kirkwood, R. C., "In Target sites for Herbicide Action" Plenum Press 219-243, 1991

      11 Holloway, P. J., "In Industrial Applications of Surfactants II" Royal Society of Chemistry 303-337, 1990

      12 O'Leary, A. L, "Factors influencing the uptake of fenarimol and flusilazol by apple leaves" 77 : 1564-, 1987

      13 Baker, E. A., "Effect of cuticular components on foliar penetration" 11 : 367-370, 1980

      14 Grayson, B. T., "Effect of adjuvants on the therapeutic activity of dimethomorph in controlling vine downy mildew. II. Adjuvant mixtures, outdoor-hardened vines and one-pack formulations" 46 : 207-213, 1996

      15 Grayson, B. T., "Effect of adjuvants on the therapeutic activity of dimethomorph in controlling vine downy mildew" 46 : 199-206, 1996

      16 Bauer, H., "Determination of mobilities of organic compounds in plant cuticles and correlation with molar volumes" 35 : 1-11, 1992

      17 "Cho, K. Y., J. H. Yu, H. K. Lim, G. J. Choi and J. H. Kim, Composition and Method for Measuring the Foliar Uptake of Agrochemicals. Patent KR-0314600"

      18 Grayson, B. T., "Adjuvant effects on the therapeutic control of potato late blight by dimethomorph wettable powder formulations" 46 : 355-359, 1996

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      학술지 인용정보

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0.42 0.42 0.41
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.43 0.43 0.642 0.15
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