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Tesi sul tema "Mycoherbicide"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 8 febbraio 2022

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1

Womack, Jonathan G. "Development of a mycoherbicide for bracken control." Thesis, University of Strathclyde, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336477.

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2

Allan, William. "Ascochyta hyalospora : a potential mycoherbicide for control of Chenopodium album." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=64031.

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3

Masangkay, Rhomela Favila. "Alternaria alternata f. sp. sphenocleae, a potential mycoherbicide of gooseweed (Sphenoclea zeylanica gaertner)." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=42093.

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Abstract (sommario):

A foliar pathogen identified as a member of the genus Alternaria was isolated from blighted Sphenoclea zeylanica (gooseweed) collected in 1991 from a rice field near Los Banos, Laguna, Philippines. Inoculum density, dew period, and plant height are factors influencing biocontrol of S. zeylanica with this indigenous pathogen. Significantly higher percent reductions in plant height and dry weight were obtained and all plants were killed at higher inoculum concentrations with 8 h of dew. The number, germination, and virulence of conidia were significantly affected by production techniques, temper

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4

Masangkay, Rhomela Favila. "Alternaria alternata f. sp. sphenocleae, a potential mycoherbicide of gooseweed, Sphenoclea zeylanica Gaertner." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0022/NQ30335.pdf.

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5

Zeeshan, Kashif. "Optimization of the production of Plectosporium alismatis, a potential mycoherbicide against Alismataceous weeds in rice." Brest, 2010. http://www.theses.fr/2010BRES2002.

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L’objectif de cette thèse était le développement d’un mycoherbicide efficace contenant les propagules stables de Plectosporium alismatis, un mycoherbicide potentiel de riz. Le champignon produit des conidies (109 L-1) et des chlamydospores (108 L-1) dans les erlens. Le nitrate est essentiel pour la production de chlamydospores qui ont une survie élevée (6. 6% germination après 4 mois) comparée aux conidies. Des agrégats hétérogènes (contenant les clilamydospores) ont été aussi observés en milieu liquide contenant du nitrate. Ces agrégats pouffaient augmenter la résistance de P. Aljymatis contr

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6

Chin, Alice. "Evaluation of Macrophoma sp. as a potential mycoherbicide for the control of Amaranthus retroflexus L. (redroot pigweed)." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23876.

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Amaranthus retroflexus L. (redroot pigweed) is a major weed of many crops in North America including corn, soybean, and potato. It can be readily controlled by chemical and cultural methods. However, some populations of A. retroflexus have developed resistance against the application of triazine herbicides. Biololical control could be an alternative method to control this weed species. In 1990, a Macrophoma sp. causing foliar lesions was isolated from redroot pigweed and the potential of this plant pathogenic fungus as a mycoherbicide was evaluated. Large numbers of infective propagules were p

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7

Kotze, Louis Jacobus Daniel. "Risk assessment of the Acacia cyclops dieback pathogen, Pseudolagarobasidium acaciicola, as a mycoherbicide in the South African strandveld and limestone fynbos." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86551.

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Thesis (MSc)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Acacia cyclops, an invasive weed in South Africa, was initially imported to stabilize the sand dunes in the southern Cape. The spread of A. cyclops is a major threat to the fragile biodiversity of the strandveld and limestone fynbos vegetation. Acacia cyclops dieback has been observed for some time, although the causative agent, Pseudolagarobasidium acaciicola, has only recently been described. This fungus is nominated for development as a mycoherbicide to control A. cyclops. Although current biological and mechanical control ef

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8

Asshleb, Almabrouk A. "The use of the fungus Ascochyta caulina as a biological control agent for the weed Chenopodium album. Evaluation of the bioherbicide formulation efficacy of Ascochyta caulina on different life stages of the weed plant Chenopodium album under laboratory and field conditions comparing Libyan and UK populations." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/4431.

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Abstract (sommario):

Chenopodium album is considered one of the most important weeds adversely affecting agricultural production due to its highly competitive influence on field crops. Chemical herbicides have increased the efficiency of farming, but recently problems of herbicideresistant weed populations and herbicide residues in soil, water, food products and effects on non-target organisms have increased, consequently, other methods of control of weeds by using specific fungi as herbicides have been suggested. The purpose of this research was to evaluate the biological control of the weed Chenopodium alb

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9

Asshleb, Almabrouk Amer. "The use of the fungus Ascochyta caulina as a biological control agent for the weed Chenopodium album : evaluation of the bioherbicide formulation efficacy of Ascochyta caulina on different life stages of the weed plant Chenopodium album under laboratory and field conditions comparing Libyan and UK populations." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/4431.

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Abstract (sommario):

Chenopodium album is considered one of the most important weeds adversely affecting agricultural production due to its highly competitive influence on field crops. Chemical herbicides have increased the efficiency of farming, but recently problems of herbicideresistant weed populations and herbicide residues in soil, water, food products and effects on non-target organisms have increased, consequently, other methods of control of weeds by using specific fungi as herbicides have been suggested. The purpose of this research was to evaluate the biological control of the weed Chenopodium album by

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10

Ndambi, Beninweck Endah [Verfasser], and Georg [Akademischer Betreuer] Cadisch. "Investigating the mode of action of the mycoherbicide component Fusarium oxysporum f.sp. strigae on Striga parasitizing sorghum and its implication for Striga control in Africa / Ndambi Beninweck Endah. Betreuer: Georg Cadisch." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2011. http://d-nb.info/1027292674/34.

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11

Stewart, Thomas E. "The Grass Seed Pathogen Pyrenophora semeniperda as a Biocontrol Agent for Annual Brome Grasses." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/2267.

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Abstract (sommario):

Bromus tectorum and other annual brome grasses have invaded many ecosystems of the western United States, and because of an annual-grass influenced alteration of the natural fire cycle on arid western range lands near monocultures are created and conditions in which the native vegetation cannot compete are established. Each year thousands of hectares become near monocultures of annual brome grasses. Pyrenophora semeniperda, a generalist seed pathogen of annual grasses, shows major potential as a possible mycoherbicide that could help in reducing the monocultures created by annual grasses. The

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12

Stamatis, Vassilis N. "Aspects of germination, growth and pathogenicity of Ascochyta caulina." Thesis, University of Aberdeen, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252145.

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Abstract (sommario):

Studies were carried out to assess the potential of the plant pathogenic fungus <i>Ascochyta caulina</i> as a mycoherbicide against <i>Chenopodium album</i> L., a worldwide weed in arable crops. <i>A. caulina</i> is associated with necrosis of leaves and stems of plants belonging to genera of <i>Chenopodium </i>L. and <i>Atriplex</i> L. The research of this thesis was focused on recognition of factors that may enhance pathogenicity and determine the impact of the pathogen not only on its target host (growing both alone and in competition), but also on a range of temperate crop species. These s

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13

Montazeri, Mansoor. "Desiccation tolerance as a factor in mycoherbicides pathogenicity." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289535.

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14

Yamoah, Emmanuel. "A model system using insects to vector Fusarium tumidum for biological control of gorse (Ulex europaeus)." Phd thesis, Lincoln University. Bio-Protection and Ecology Division, 2007. http://theses.lincoln.ac.nz/public/adt-NZLIU20080131.114607/.

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The overall objective of this study was to test the hypothesis that insects can vector F. tumidum conidia to infect gorse plants with the aim of developing an alternative approach to mycoherbicide delivery to control weeds. Four potential insect species (Apion ulicis, Cydia ulicetana, Epiphyas postvittana and Sericothrips staphylinus) were assessed for their ability to vector F. tumidum conidia. To achieve this, the external microflora (bacteria and fungi) and the size and location of fungal spores on the cuticle of these insect species were determined. In addition, the ability of the insects

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15

Potyka, Ingrid. "Emulsion-formulation of microbial herbicides." Thesis, University of Bristol, 1995. http://hdl.handle.net/1983/618a10ab-a6e4-49c4-bf4c-1b3c343c4135.

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Abstract (sommario):

Development of microbial herbicides is constrained by unreliability in the field where conditions are often sub-optimal for infection. Crucially, sufficient moisture, often dew, is required to establish infection. Two model systems, Colletotrichum dematium (Pers. ex Fr. ) Grove on Chenopodium album L. and Mycocentrospora acerina (Hartig) Deighton on Viola arvensis Murr., have been investigated and formulation requirements for each system identified, principally to reduce the dew period necessary for infection. Effects of adjuvants (surfactants, stickers and humectants) on spore germination and

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16

Zahran, Eldur. "Biological control of Striga hermonthica (Del.) Benth. using formulated mycoherbicides under Sudan field conditions." [S.l. : s.n.], 2008. http://nbn-resolving.de/urn:nbn:de:bsz:100-opus-2320.

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17

Triolet, Marion. "Identification et caractérisation de candidats d'origine naturelle à action herbicide pour contrôler les adventices." Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCK032.

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Abstract (sommario):

Un projet visant à identifier des mycoherbicides pour lutter contre les adventices a été initié entre l’UMR Agroécologie de Dijon et la société DE SANGOSSE® (Agen). Trois volets ont structuré ce projet à l’issue d’une collecte de prélèvement de 475 plantes représentatives de 23 espèces d’adventices symptomatiques et asymptomatiques en Bourgogne et en Beauce. Le 1er volet reposait sur une approche de type metabarcoding (technologie Illumina), pour évaluer et comparer la diversité des communautés fongiques endophytes des plantes symptomatiques et asymptomatiques. 542 genres fongiques ont ainsi é

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18

Zahran, Eldur [Verfasser]. "Biological control of Striga hermonthica (Del.) Benth. using formulated mycoherbicides under Sudan field conditions / presented by Eldur Zahran." 2008. http://d-nb.info/988070464/34.

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