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Tesis sobre el tema "Phosphite"

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Publicado: 4 de junio de 2021
Última modificación: 25 de julio de 2025

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1

Deerenberg, Sirik. "Stereogenic phosphorus containing phosphine-phosphite ligands in asymmetric catalysis." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2000. http://dare.uva.nl/document/57171.

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2

Gudmunsen, David. "The synthesis, coordination chemistry and catalytic applications of phosphinite, phosphonite and phosphite ligands containing perfluoroalkyl substituents." Thesis, University of Leicester, 2000. http://hdl.handle.net/2381/30048.

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A review is presented of the development and application of liquid-liquid biphase systems in homogeneous catalysis and the concept and application of fluorous biphase systems (FBS) in catalysis. Novel monodentate phosphorus(III) ligands of general formula PhxP(OC6H4-4-C6F,3)3.x and PhCHF-* (x = 0, 1 or 2), and the phosphite ligands P(OC6H4-4-C8Fl7)3, P(OC6H4-4-C10F2i)3, P(OC6H4-3-C6F13)3 and P(OC6H4-2-C6Fi3)3 have been synthesised and fully characterised by 'H, 19F and 3,P{1H} NMR spectroscopy, mass spectrometry and elemental analysis. The monodentate phosphinite, phosphonite and phosphite lig
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3

Auckland, Clare. "The dilution of phosphite in rapidly growing plants and how soil and plant phosphate levels interact with phosphite and its ability to control Phytophthora cinnamomi." Thesis, Auckland, Clare (2002) The dilution of phosphite in rapidly growing plants and how soil and plant phosphate levels interact with phosphite and its ability to control Phytophthora cinnamomi. Honours thesis, Murdoch University, 2002. https://researchrepository.murdoch.edu.au/id/eprint/32633/.

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The soil borne plant pathogen Phytophthora cinnamomi has irreversibly altered the make-up and diversity of the plant communities found in Australia. Recently, the fungicide phosphite has been used to effectively reduce the impact of this pathogen in natural plant communities. However, little is known (a) about how rapidly phosphite is diluted in the tissues of rapidly growing plants and (b) how soil and plant phosphate levels interact with phosphite and its ability to induce host-resistant responses when challenged by P. cinnamomi. This study examined the effects of different phosphite rates (
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4

Phung, Quang Linh. "Synthèse de ligands chiraux de type phosphine-phosphite et phosphine-carbène N-hétérocyclique pour la catalyse asymétrique." Rouen, 2005. http://www.theses.fr/2005ROUES033.

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La catalyse organométallique est une méthode de choix pour la synthèse de composés chiraux. Afin d'atteindre une selectivité et efficacité élevées en catalyse asymétrique, plusieurs paramètres réactionnels doivent être optimisés, parmi lesquels le choix et la structure du ligand sont sans doute les points les plus importants. Nous avons développé deux familles de ligands bidentates de type phosphine-phosphite et phosphine-carbène N-hétérocyclique. Ces deux séries de ligands possèdent une caractéristique structurale commune, à savoir un centre asymétrique adjacent à la phosphine. Cette proximit
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5

Meiswinkel, Andreas. "Chirale Monophosphite als effiziente Liganden für die asymmetrische Hydrierung." [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968943152.

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6

Passays, Johan. "Nouveaux ligands mixtes de type phosphore / carbène N-hétérocyclique : synthèse et applications en catalyse asymétrique." Thesis, Rouen, INSA, 2011. http://www.theses.fr/2011ISAM0008.

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Une méthode simple et efficace a été développée pour la préparation de ligands bifonctionnels associant les motifs phosphine ou phosphite d'une part, et carbène Nhétérocyclique(NHC) ou imidazolium d'autre part. Dans un premier temps, une série de ligands diphénylphosphine-carbène chiraux portant un centre stéréogène en a de la phosphinea été développée à partir b-hydroxyesters. Une famille de ligands a ainsi été développée afin d'évaluer l'influence de l'encombrement stérique de différents groupements alkyles en a de la phosphine et de la nature des groupements aromatiques portés sur l'imidazo
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7

Sampson, Jacqueline Marie. "The extent of phosporus redox chemistry in west central Florida waters." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4939.

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Phosphorus (P) has long been acknowledged as a vital nutrient for living organisms and is a key factor responsible for the fresh water eutrophication. Our understanding of the phosphorus cycle has been limited by: (1) the common assumption that all P in the environment occurs primarily as phosphates and (2) by the limited analytical methods available to identify P speciation. In an attempt to understand the distribution and chemistry of phosphorus within a freshwater system we must be able to identify individual P species. To this end, we used a coupled High Performance Liquid Chromatograph
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8

李慧敏 and Huai-min Li. "Photochemical studies of binuclear platinum and rhodium complexes withbridging isocyanide, phosphite and phosphine ligands." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1989. http://hub.hku.hk/bib/B31231603.

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9

Philippon, David. "Lubrification par la phase gazeuse : tribochimie des additifs phosphorés et boratés." Phd thesis, Ecole Centrale de Lyon, 2007. http://tel.archives-ouvertes.fr/tel-00280892.

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La formulation des lubrifiants utilisés dans l'automobile est complexe du fait du nombre important d'additifs mélangés aux huiles de base. Pour orienter le choix des formulateurs, il est non seulement nécessaire de connaître le mécanisme d'action de chaque additif mais aussi les interactions entre ces additifs. Pour mieux appréhender ces mécanismes, une démarche originale a été mise en place dans cette étude. Celle-ci consiste à simuler expérimentalement la lubrification en régime limite par la lubrification en phase gazeuse. Pour cela, des molécules de faible poids moléculaire modélisant les
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10

Horiuti, Toshihide. "Studies on Enantioselective Addition to C=C Bonds Catalyzed by Transition Metal-Phosphine-Phosphite Complexes." Kyoto University, 1997. http://hdl.handle.net/2433/202317.

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11

Li, Huai-min. "Photochemical studies of binuclear platinum and rhodium complexes with bridging isocyanide, phosphite and phosphine ligands /." [Hong Kong] : University of Hong Kong, 1989. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12428541.

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12

Minguet, Sébastien. "Nouveaux ligands bifonctionnels potentiellement hémilabiles de type phosphite-phosphonate ou phosphite-éther : : synthèse et évaluation en catalyse." Rennes 1, 2005. http://www.theses.fr/2005REN1S026.

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Si la coordination métal-ligand est au centre de la catalyse homogène, le processus de décoordination se révèle très important pour permettre l’incorporation de substrats au sein du complexe. Les ligands dits « hémilabiles » facilitent le second processus. Après avoir mené un examen bibliographique approfondi, nous nous sommes orientés vers l’étude de ligands bifonctionnels de type phosphite-oxygène. Deux familles de ligands ont ainsi été développées : les phosphite-phosphonate et les phosphite-éther. Parallèlement, l’utilisation de réactifs optiquement actifs a permis de synthétiser une série
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13

Djiele, Ngameni Patrice. "Phosphane and Phosphite Silver(I) Complexes: Synthesis, Reaction Chemistry and their Use as CVD Precursors." Doctoral thesis, [S.l. : s.n.], 2005. http://archiv.tu-chemnitz.de/pub/2005/0008.

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14

au, M. King@murdoch edu, and Michaela King. "The phosphite responsive transcriptome of phytophthora cinnamomi." Murdoch University, 2007. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20080526.104656.

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Phosphite has been used to effectively control the soil borne plant pathogen Phytophthora cinnamomi in many horticultural crops, forest trees and natural ecosystems. However, the molecular mechanisms behind phosphite action on this pathogen are poorly understood. Several studies have shown that phosphite inhibits growth and zoospore production of P. cinnamomi and in addition induces significant physiological and metabolic changes in the mycelium. As an approach to understanding the mechanisms and relevance of these changes in the pathogen, the effect of phosphite on gene expression was invest
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15

Marsault, Eric. "Diastereoselective synthesis of phosphite triesters and phosphorothioates." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0027/NQ30333.pdf.

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16

Marsault, Eric. "Diastereoselective synthesis of phosphite triesters and phosphorothioates." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=42091.

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The diastereoselective synthesis of phosphite triesters and related phosphorothioate triesters and diesters has been investigated, with the goal of synthesizing diastereomerically pure DNA phosphorothioates.<br>Towards this end, the elaboration of a new heterobicyclic structure, imidazo-oxazaphosphorine such as 56, is reported. This unstable intermediate led to the highly diastereoselective synthesis of simple phosphite triesters upon reaction with various alcohols.<br>Two new types of sterically hindered chiral oxazaphosphorinanes 135 and 146 were then synthesized from cholesterol and camphor
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17

King, Michaela. "The phosphite responsive transcriptome of phytophthora cinnamomi." Thesis, King, Michaela (2007) The phosphite responsive transcriptome of phytophthora cinnamomi. PhD thesis, Murdoch University, 2007. https://researchrepository.murdoch.edu.au/id/eprint/132/.

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Phosphite has been used to effectively control the soil borne plant pathogen Phytophthora cinnamomi in many horticultural crops, forest trees and natural ecosystems. However, the molecular mechanisms behind phosphite action on this pathogen are poorly understood. Several studies have shown that phosphite inhibits growth and zoospore production of P. cinnamomi and in addition induces significant physiological and metabolic changes in the mycelium. As an approach to understanding the mechanisms and relevance of these changes in the pathogen, the effect of phosphite on gene expression was inve
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18

King, Michaela. "The phosphite responsive transcriptome of Phytophthora cinnamomi /." King, Michaela (2007) The phosphite responsive transcriptome of phytophthora cinnamomi. PhD thesis, Murdoch University, 2007. http://researchrepository.murdoch.edu.au/132/.

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Phosphite has been used to effectively control the soil borne plant pathogen Phytophthora cinnamomi in many horticultural crops, forest trees and natural ecosystems. However, the molecular mechanisms behind phosphite action on this pathogen are poorly understood. Several studies have shown that phosphite inhibits growth and zoospore production of P. cinnamomi and in addition induces significant physiological and metabolic changes in the mycelium. As an approach to understanding the mechanisms and relevance of these changes in the pathogen, the effect of phosphite on gene expression was inve
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19

Kollehn, Daniel. "Genetic analysis of phosphite sensitivity in Arabidopsis thaliana." Thesis, Kollehn, Daniel (2018) Genetic analysis of phosphite sensitivity in Arabidopsis thaliana. PhD thesis, Murdoch University, 2018. https://researchrepository.murdoch.edu.au/id/eprint/43074/.

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Application of phosphite to plants is used to manage oomycete diseases. However, the mode of action is not fully understood and together with a lack of alternative control methods, and increased resistance to phosphite, an in-depth investigation was warranted. Arabidopsis thaliana was used as a model to investigate the response to phosphite by looking at changes to relevant genes by ethyl methanesulphonate mutant analysis and by natural genetic variation between accessions. The ethyl methanesulphonate analysis resulted in a phosphite tolerant mutant with a significantly altered root phenoty
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20

au, 30365216@student murdoch edu, and Mee-Hua Wong. "Phosphite induces morphological and molecular changes in Phytophthora species." Murdoch University, 2006. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20070717.155119.

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The influence of the chemical phosphite on Phytophthora species was investigated by studying the morphological and molecular changes induced by phosphite. In vitro experiments were conducted to study the effects of phosphite on five isolates of each of five species of Phytophthora grown in low phosphate defined medium. Sensitivity to phosphite varied greatly among the five isolates of each species and resulted in a significant interaction between isolate and phosphite effect. The EC50 values ranged from less than 5 to 10 ìg/ml for P. cinnamomi, to 13 ìg/ml for P. nicotianae, to 27 ìg/ml for P
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21

Cerqueira, Andreia Filipa Lages. "Effects of phosphite in Pinus radiata-Fusarium circinatum interaction." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/17015.

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Mestrado em Biologia Molecular e Celular<br>O cancro resinoso, provocado pelo fungo Fusarium circinatum, é uma doença que afeta Pinus spp. e Pseudotsuga menziesii em todo o mundo e está sujeita a medidas de quarentena. Caracteriza-se pela formação de grandes cancros resinosos que rodeiam rebentos, ramos e troncos e levam à morte do hospedeiro. Até à data não existem meios para o controlo da doença e, com a crescente necessidade de reduzir o uso de fungicidas, outras abordagens devem ser estudadas. Um método para o controlo de doenças fitopatogénicas passa pela indução da resistência do
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22

Wong, Mee-Hua. "Phosphite induces morphological and molecular changes in Phytophthora species." Thesis, Wong, Mee-Hua (2006) Phosphite induces morphological and molecular changes in Phytophthora species. Masters by Research thesis, Murdoch University, 2006. https://researchrepository.murdoch.edu.au/id/eprint/413/.

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The influence of the chemical phosphite on Phytophthora species was investigated by studying the morphological and molecular changes induced by phosphite. In vitro experiments were conducted to study the effects of phosphite on five isolates of each of five species of Phytophthora grown in low phosphate defined medium. Sensitivity to phosphite varied greatly among the five isolates of each species and resulted in a significant interaction between isolate and phosphite effect. The EC50 values ranged from less than 5 to 10 mcg/ml for P. cinnamomi, to 13 mcg/ml for P. nicotianae, to 27 mcg/ml
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23

Wong, Mee-Hua. "Phosphite induces morphological and molecular changes in Phytophthora species." Wong, Mee-Hua (2006) Phosphite induces morphological and molecular changes in Phytophthora species. Masters by Research thesis, Murdoch University, 2006. http://researchrepository.murdoch.edu.au/413/.

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The influence of the chemical phosphite on Phytophthora species was investigated by studying the morphological and molecular changes induced by phosphite. In vitro experiments were conducted to study the effects of phosphite on five isolates of each of five species of Phytophthora grown in low phosphate defined medium. Sensitivity to phosphite varied greatly among the five isolates of each species and resulted in a significant interaction between isolate and phosphite effect. The EC50 values ranged from less than 5 to 10 mcg/ml for P. cinnamomi, to 13 mcg/ml for P. nicotianae, to 27 mcg/ml
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24

Howard, Kay. "The effect of the fungicide phosphite on ectomycorrhizal fungi." Thesis, Howard, Kay ORCID: 0000-0003-3977-1243 (2001) The effect of the fungicide phosphite on ectomycorrhizal fungi. PhD thesis, Murdoch University, 2001. https://researchrepository.murdoch.edu.au/id/eprint/3215/.

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In Western Australia, the fungicide phosphite is being applied to selected native plant communities in order to reduce the impact of the root and collar rot pathogen, Phytophthora cinnamomi. The effect of this fungicide on the growth and function of ectomycorrhizal (ECM) fungi and their mycorrhizas was unknown. Taking the hypothesis that phosphite has a deleterious effect on mycorrhizal fungi, this study explored potential detrimental effects of phosphite on early colonising ectomycorrhizal fungi. Ten isolates of Scleroderma and Pisolithus from Western Australia, isolated from a range of h
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25

Bendle, Martin. "Phosphoranimines : investigations of their phosphite-initiated polymerisation and novel reactivity." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556980.

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This thesis describes investigations into the phosphite-initiated polymerisation of the phosphoranimines, their reactivity with phosphine oxides and dehalogenation reactions. Chapter 1 introduces a number of inorganic polymers, and then focuses on the synthetic routes to the poly(phosphazene)s and the broad range of properties and applications of these materials. This chapter also provides a general introduction to the chemistry of compounds containing phosphorus-nitrogen bonds, particularly the phosphazenes. The phosphoranimines are then discussed, and their synthesis, properties and reaction
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26

Waechtler, Thomas, Yingzhong Shen, Alexander Jakob, et al. "Evaluation of Phosphite and Phosphane Stabilized Copper(I) Trifluoroacetates as Precursors for the Metal-Organic Chemical Vapor Deposition of Copper." Universitätsbibliothek Chemnitz, 2006. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200600315.

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Copper has become the material of choice for metallization of high-performance ultra-large scale integrated circuits. As the feature size is continuously decreasing, metal-organic chemical vapor deposition (MOCVD) appears promising for depositing the Cu seed layer required for electroplating, as well as for filling entire interconnect structures. In this work, four novel organophosphane and organophosphite Cu(I) trifluoroacetates were studied as precursors for Cu MOCVD. Details are reported on CVD results obtained with Tris(tri-n-butylphosphane)copper(I)trifluoroacetate, (<sup>n</s
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27

Dempsey, J. J. "Suppression of Microdochium nivale by phosphite in cool-season amenity turfgrasses." Thesis, University of the West of England, Bristol, 2015. http://eprints.uwe.ac.uk/24798/.

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The ascomycete fungus Microdochium nivale (Fr.) Samuels and Hallett (teleomorph Monographella nivalis (Schafnitt) is one of the most ubiquitous and damaging pathogens of cool-season amenity turfgrasses. Current control measures rely on inputs of chemical fungicides, making alternative means of disease reduction desirable. Phosphite (PO33-), which is derived from the alkali metal salts of phosphorous acid (H3PO3-),has proven efficacy in reducing susceptibility to oomycete pathogens. The aims of this research were to determine if PO33- treatments to amenity turfgrasses can suppress the incidence
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28

Stasikowski, Patricia. "Biochemical effects of phosphite on the phytopathogenicity of Phytophthora cinnamomi Rands." Thesis, Stasikowski, Patricia (2012) Biochemical effects of phosphite on the phytopathogenicity of Phytophthora cinnamomi Rands. PhD thesis, Murdoch University, 2012. https://researchrepository.murdoch.edu.au/id/eprint/14887/.

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Phosphite, a chemical analogue of orthophosphate, controls disease symptoms and spread of Oomycete plant pathogens, particularly those caused by Phythophthora spp. Phosphite can be applied to horticultural and native plant species as a foliar spray or trunk injection and results in in planta phosphite concentrations of between 25 - 425 μg g-1 dry weight (equivalent to 0.3 – 6.0 mM). However, despite its extensive use it is not known why phosphite is biostatic towards oomycetes, although several mechanisms have been proposed. This thesis aims to devise and test a biochemical model of phosph
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29

Roth, Nina. "Kupfer- und Ruthenium-Precursoren: Synthese, Charakterisierung und deren Verwendung zur Abscheidung metallischer Schichten nach dem CVD-Verfahren." Doctoral thesis, Universitätsbibliothek Chemnitz, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200901579.

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Die vorliegende Arbeit befasst sich mit neuartigen Kupfer(I)- und Ruthenium(II)-komplexen und deren Verwendung als CVD-/ALD-Precursoren. Die Synthese Lewis-Basen-stabilisierter Kupfer(I)-β-Diketonat- bzw. -Carboxylat-Komplexe des Typs [LnMX] (M = Cu(I), X = Acetylacetonat, Iminopentenolat, Carboxylat; L = Phosphan PR3, Phos-phit P(OR)3; R = einbindiger, organischer Rest) standen hierbei im Vordergrund. Verbin-dungen des Typs [(PR3)MX] dienten als Ausgangsverbindungen zur Darstellung einkerni-ger Komplexe mit σ Donorliganden. Durch die Wahl der Lewis-Base sowie des β-Diketonato- bzw. Carboxylat
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30

Fairbanks, Meredith Margaret. "The effect of the fungicide phosphite on some aspects of plant reproduction." Thesis, Fairbanks, Meredith Margaret (2001) The effect of the fungicide phosphite on some aspects of plant reproduction. PhD thesis, Murdoch University, 2001. https://researchrepository.murdoch.edu.au/id/eprint/51677/.

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Phytophthora cinnamomi Rands is a plant pathogen capable of infecting about 20% of native plant species in the south-west of Western Australia. The fungicide phosphite (phosphonate) provides an inexpensive and effective control of the pathogen. Phosphite can be applied by injection, soil drench, spray to run-off and misting. In the Mediterranean climate of the south-west of Western Australia operational sprays to native plant communities are applied in autumn or spring. The up-take of phosphite was compared using spraying foliage to run-off with 0, 2.5, 5 and 10 gL-1 and misting with 100,
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31

Wright, Glenn C., and Marco Peña. "Foliar applications of Lo-Biuret Urea and Potassium Phosphite to Navel Orange trees." College of Agriculture, University of Arizona (Tucson, AZ), 2003. http://hdl.handle.net/10150/198099.

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This experiment was established in January 2000 in a block of ‘Washington’ navel orange trees at Verde Growers, Stanfield, AZ. Treatments included: normal grower practice, winter low biuret (LB) urea application, summer LB urea application, winter LB urea application plus winter and spring potassium phosphite, winter LB urea application plus summer potassium phosphite, and normal grower practice plus spring potassium phosphite. Each treatment was applied to approximately four acres of trees. For 2000-01, yields ranged from 40 to 45 lbs. per tree, and there was no effect of treatments up
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32

Wright, Glenn C., and Marco Peña. "Foliar applications of Lo-Biuret Urea and Potassium Phosphite to Navel Orange trees." College of Agriculture, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/197989.

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This experiment was established in January 2000 in a block of ‘Washington’ navel orange trees at Verde Growers, Stanfield, AZ. Treatments included: normal grower practice, winter low biuret (LB) urea application, summer LB urea application, winter LB urea application plus winter and spring potassium phosphite, winter LB urea application plus summer potassium phosphite, and normal grower practice plus spring potassium phosphite. Each treatment was applied to approximately four acres of trees. For 2000-01, yields ranged from 40 to 45 lbs. per tree, and there was no effect of treatments upo
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33

Wright, Glenn C., and Marco Peña. "Foliar applications of Lo-Biuret Urea and Potassium Phosphite to Navel Orange trees." College of Agriculture, University of Arizona (Tucson, AZ), 2002. http://hdl.handle.net/10150/223652.

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This experiment was established in January 2000 in a block of 'Washington' navel orange trees at Verde Growers, Stanfield, AZ. Treatments included: normal grower practice, winter low biuret (LB) urea application, summer LB urea application, winter LB urea application plus winter and spring potassium phosphite, winter LB urea application plus summer potassium phosphite, and normal grower practice plus spring potassium phosphite. Each treatment was applied to approximately four acres of trees. For 2000-01, yields ranged from 40 to 45 lbs. per tree, and there was no effect of treatments upon tota
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34

Wright, Glenn, and James Walworth. "Foliar applications of Lo-Biuret Urea and Potassium Phosphite to Navel Orange Trees." College of Agriculture, University of Arizona (Tucson, AZ), 2002. http://hdl.handle.net/10150/226094.

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This experiment was established in January 2000 in a block of 'Washington' navel orange trees at Verde Growers, Stanfield, AZ. Treatments included: normal grower practice, winter low biuret (LB) urea application, summer LB urea application, winter LB urea application plus winter and spring potassium phosphite, winter LB urea application plus summer potassium phosphite, and normal grower practice plus spring potassium phosphite. Each treatment was applied to approximately four acres of trees. For 2000-01, yields ranged from 40 to 45 lbs. per tree, and there was no effect of treatments upon tota
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35

Harrison, Karl Nicholas. "The synthesis and characterisation of Tris(2-methoxyphenyl)phosphite nickel palladium and platinum complexes." Thesis, University of Bristol, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303757.

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36

Ortuoste, Nerea. "Inhibition of phosphite antioxidant hydrolysis via synergistic blends for the thermal processing of polyolefins." Thesis, Manchester Metropolitan University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402660.

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37

Eshraghi, Leila. "Genetic analysis of host and phosphite mediated resistance to Phytophthora cinnamomi in Arabidopsis thaliana." Thesis, Eshraghi, Leila (2012) Genetic analysis of host and phosphite mediated resistance to Phytophthora cinnamomi in Arabidopsis thaliana. PhD thesis, Murdoch University, 2012. https://researchrepository.murdoch.edu.au/id/eprint/12737/.

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Phosphite (Phi), an analogue of phosphate (Pi) is highly effective for the control of Phytophthora cinnamomi, a devastating necrotrophic pathogen worldwide. This study describes the effect of phosphite (Phi) on the induction of defence responses in Phytophthora cinnamomi-infected Arabidopsis thaliana accessions Ler and Col-0, and mutants defective in salicylic acid (SA), jasmonic acid (JA), ethylene (ET), abscisic acid (ABA), phosphate starvation response (PSR) and auxin response signalling pathways. The inoculation of the resistant Col-0 with P. cinnamomi induced a rapid increase in callose d
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Naeemi, Qaseem [Verfasser]. "Studies in Enantioselective Transition Metal Catalysis Using Modular Phosphine-Phosphite Ligands Copper-catalyzed 1,4-Addition of Grignard Reagents to alpha,beta-Unsaturated Carbonyl Compounds / Qaseem Naeemi." München : Verlag Dr. Hut, 2012. http://d-nb.info/1020299428/34.

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Aberton, Michael J., and lswan@deakin edu au. "The use of phosphite as a control for Phytophthora cinnamomi in southeastern Victorian vegetation communities." Deakin University. School of Biological and Chemical Sciences, 2005. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20060921.150649.

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One of the major aims of the research presented in this thesis was to assist managers of native vegetation communities in southeastern Australia in understanding the dynamics of P. cinnamomi with an important ecological species, Xanthorrhoea australis. It trialed the use of phosphite in large-scale field applications to establish the usefulness of this management option for the first time on Victorian flora. This thesis describes the process of disease development within mature X. Australia plants. For the first time it was shown that within X. australis plants, secondary disease symptoms ar
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Mambingo, Doumbe Samuel. "Simulation de la phase gazeuse des réactions tribochimiques des additifs phosphorés et soufrés." Thesis, Ecully, Ecole centrale de Lyon, 2012. http://www.theses.fr/2012ECDL0063.

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La maîtrise de l’additivation est l’un des enjeux majeurs de la formulation des lubrifiants, notamment pour l’industrie automobile. La formulation d’une huile est toutefois très complexe en raison du nombre important d’additifs et des nombreuses interactions possibles entre additifs, notamment entre les additifs de surface. Les phosphites organiques et les polysulfures organiques ont déjà montré leur efficacité en tant qu’additifs de surface. Toutefois malgré leur usage répandu dans les formulations des lubrifiants automobiles, peu d’études traitent des interactions pouvant avoir lieu entre ce
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Darakis, Georges. "Phosétyl-al et phosphite, leurs activités directe et indirecte sur la pathogénie des Phytophthora spp." Paris 6, 1987. http://www.theses.fr/1987PA066047.

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Le présent travail porte sur le mode d'action du phoséthyl-al (Tris-0-éthylphosponate d'aluminium), composé systémique et son métabolite actif l'ion phosphite vis-à-vis des Oomycètes. Une méthode de dosage de ces molécules dans les tissus végétaux, combinant la chromatographie en phase gazeuse à été mise au point. Elle nous a permis, sur la base de la comparaison des concentrations en fongicide in vitro et in vivo, d'examiner les deux possibilités qui existent en ce qui concerne son mode d'action directe et indirecte.
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Darakis, Georges. "Phoséthyl-Al et phosphite, leurs activités directe et indirecte sur la pathogénie des Phytophthora spp." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37604293q.

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Barrett, Sarah. "Phytotoxic effects of phosphite in native plant communities on the south coast of Western Australia." Thesis, Barrett, Sarah (2001) Phytotoxic effects of phosphite in native plant communities on the south coast of Western Australia. PhD thesis, Murdoch University, 2001. https://researchrepository.murdoch.edu.au/id/eprint/32427/.

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Wilkinson, Carla. "The ability of Phytophthora cinnamomi to sporulate from colonised host plant tissue treated with phosphite." Thesis, Wilkinson, Carla (1997) The ability of Phytophthora cinnamomi to sporulate from colonised host plant tissue treated with phosphite. Honours thesis, Murdoch University, 1997. https://researchrepository.murdoch.edu.au/id/eprint/32811/.

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Gomes, Giovanna Larissa Gimenes Cotrick [UNESP]. "Alterações metabólicas de plantas de milho submetidas à aplicação de glyphosate e fosfito." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/97185.

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Made available in DSpace on 2014-06-11T19:28:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-02-25Bitstream added on 2014-06-13T19:58:11Z : No. of bitstreams: 1 gomes_glgc_me_botfca.pdf: 1828548 bytes, checksum: 5ea149ea43e1fae2645b977340ddc416 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O glyphosate é um herbicida de largo espectro de controle, não seletivo, e seu sítio de ação é a inibição da enzima 5-enolpiruvilchiquimato 3-fosfato sintase (EPSPs). Com a inibição da enzima, e o bloqueio da rota do ácido chiquímico pelo glyphosate, ocorre o acú
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Pilbeam, Ros. "Effects of phosphite on disease development and histological responses in Eucalyptus marginata infected with Phytophthora cinnamomi." Thesis, Pilbeam, Ros (2003) Effects of phosphite on disease development and histological responses in Eucalyptus marginata infected with Phytophthora cinnamomi. PhD thesis, Murdoch University, 2003. https://researchrepository.murdoch.edu.au/id/eprint/260/.

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Phosphite is currently used for the management of Phytophthora cinnamomi in native plant communities. A greater understanding of how phosphite affects the host-pathogen interaction is required in order to determine the most effective treatment. This thesis aimed to investigate the effects of applied phosphite concentration on phytotoxicity, in planta concentration of phosphite, disease development and anatomical responses of Eucalyptus marginata. Spraying the foliage to run-off with 7.5 and 10 g phosphite/L led to the development of severe leaf necrosis within 7 days, with greater than 60%
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Pilbeam, Ros. "Effects of phosphite on disease development and histological responses in Eucalyptus marginata infected with Phytophthora cinnamomi." Murdoch University, 2003. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20040820.140206.

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Phosphite is currently used for the management of Phytophthora cinnamomi in native plant communities. A greater understanding of how phosphite affects the host-pathogen interaction is required in order to determine the most effective treatment. This thesis aimed to investigate the effects of applied phosphite concentration on phytotoxicity, in planta concentration of phosphite, disease development and anatomical responses of Eucalyptus marginata. Spraying the foliage to run-off with 7.5 and 10 g phosphite/L led to the development of severe leaf necrosis within 7 days, with greater than 60% of
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48

Belhaj, Rajah. "New Phytophthora species in Western Australia: Pathogenicity and control by phosphite in vitro and in planta." Thesis, Belhaj, Rajah (2017) New Phytophthora species in Western Australia: Pathogenicity and control by phosphite in vitro and in planta. PhD thesis, Murdoch University, 2017. https://researchrepository.murdoch.edu.au/id/eprint/41174/.

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A number of new Phytophthora species to Western Australia, have been isolated from dying native species in southwest Western Australia (SWWA). However, little is known about their host range or whether the pathogenic species can be controlled by phosphite. The effect of phosphite on 23 Phytophthora species was investigated in vitro. On solid medium, EC50 values were 5 to >160 μg/ml phosphite, whilst in liquid medium buffered using 0.03 M MES (2-(N-morpholino) ethanesulfonic acid), EC50 values ranged from 30 to >900 μg/ml. Nineteen of 23 species displayed a much higher level of tolerance in buf
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com, kathrynmccarren@hotmail, and Kathryn McCarren. "Saprophytic ability and the contribution of chlamydospores and oospores to the survival of Phytophthora cinnamomi." Murdoch University, 2006. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20060807.92625.

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Phytophthora cinnamomi has been recognised as a key threatening process to Australia’s biodiversity by the Commonwealth’s Environment Protection and Biodiversity Conservation Act 1999. Despite over 80 years of extensive research, its exact mode of survival is still poorly understood. It is widely accepted that thin- and thick-walled chlamydospores are the main survival propagules while oospores are assumed to play no role in the survival of the pathogen in the Australian environment, yet evidence is limited. The saprophytic ability of the pathogen is still unresolved despite the important r
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Enriquez, Sevilla Luis Javier. "Activity of phosphite antioxidants in synergistic blends in the thermal and photooxidation of high-density polyethylene (HDPE)." Thesis, Manchester Metropolitan University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364483.

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