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Dissertations / Theses on the topic 'DoWhy'

Author: Grafiati

Published: 7 June 2025

Last updated: 16 July 2025

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1

Butler, M. D., and J. A. Davis. "Broccoli Downy Mildew Trials." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/214161.

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2

Pulgarín-Restrepo, Paulo César, and University of Lethbridge Faculty of Arts and Science. "The population history of the downy woodpecker (Picoides pubescens) in North America : insights from genetics, ecological niche modeling and bioacoustics / Paulo C. Pulgarín-Restrepo." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2011, 2011. http://hdl.handle.net/10133/2613.

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The last Quaternary ice age strongly influenced the distribution of most plants and animals. Here I used genetics, ecological niche modeling and bioacoustics to understand the possible historical patterns behind the current distribution of the Downy Woodpecker (Picoides pubescens) in North America. Analyses of mtDNA sequences and seven microsatellites loci suggest low genetic differentiation among populations (a maximum of two genetic groups), however population structure is subtle. Ecological niche modeling suggests several refugia SE of US, and some restricted areas east and west of the Rock

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3

Anderson, Kristin Siwan. "Dowry payments in South Asia." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0033/NQ38849.pdf.

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4

Walsh, Conor. "A Search Theory of Dowry." Thesis, School of Economics, 2011. http://hdl.handle.net/2123/7945.

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Dowries have traditionally been viewed in economics as arising from a supply imbalance of the marriage market which disadvantages women. In this thesis, a different cause is proposed. Dowries are modelled as arising from an intertemporal bargaining process in a frictional search market, with differential aging in favour of men. This extends the insights of the standard model and is able to explain several puzzling stylised facts. Most notably, dowries may occur when there are more men than women in the market, and dowry and brideprice can coexist in the same market. The model is extended to in

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5

Butler, Marvin. "Broccoli Downy Mildew Tolerance Trials." College of Agriculture, University of Arizona (Tucson, AZ), 1991. http://hdl.handle.net/10150/221456.

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6

Meitz, Julia. "Molecular variation ofBrassica downy mildeweffector genes." Thesis, University of Warwick, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502129.

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Hyaloperonospora parasitica, phylum Oomycota, is a biotrophic plant pathogen that causes downy mildew on its cruciferous host plants. Naturally-infected plants show disease resistance visible as a hypersensitive response (HR).. This response results from the interaction of pathogen effectors with receptors and signalling molecules in the plant cell, causing localised necrosis killing the infected host cell. H parasitica isolates that are host-specific on the model plant Arabidopsis have been used to identify such pathogen effector genes. In this work I attempted to use this information to iden

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7

Ott, Alexandra. "Nutrient acquisition by downy mildew fungi." Thesis, University of the West of England, Bristol, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418447.

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8

Arya, Anwesha. "Dowry in tradition and text : śāstra, statute and the 'living law' of dowry as sadācāra in India." Thesis, SOAS, University of London, 2012. http://eprints.soas.ac.uk/16639/.

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9

Breese, Wendy Ann. "Biology and detection of Rubus downy mildew." Thesis, Bangor University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295275.

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10

Coates, Mary Elizabeth. "Defining downy mildew (Hyaloperonospora parasitica) avirulence loci." Thesis, University of Warwick, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441696.

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11

Cooper, Jessica G. "Cucurbit Downy Mildew (Pseudoperonospora cubensis): Cucumber Resistance." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/49606.

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Pseudoperonospora cubensis (Bert. et Curt) Rost. is the causal agent of cucurbit downy mildew (CDM). It is the most damaging cucumber pathogen on the Eastern Shore of Virginia and eastern parts of the United States. Pseudoperonospora cubensis is an obligate oomycete pathogen, infecting crops within the Cucurbitaceae family. The disease is characterized by angular chlorotic lesions and a downy or felt-like appearance on the abaxial side of the leaf. Control of this pathogen includes use of resistant cucumber cultivars and costly fungicide programs. Continuous use has led to resistance to common

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12

Butler, Marvin. "Broccoli Downy Mildew Tolerance Trial, 1990/1991." College of Agriculture, University of Arizona (Tucson, AZ), 1992. http://hdl.handle.net/10150/214485.

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13

Uddin, Azhar, and Azhar Uddin. "Household Income Mobility and Dowry: Evidence from India." Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/624152.

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This paper examines the impact of dowry on household income mobility in Indian context. Dowry has many adverse effects in the society. Dowry, a key component of the extravagant wedding celebrations that are part of Indian culture, may act as a hindrance on efficacy of poverty alleviation programs. We utilize the two rounds of Indian Human Development Survey (IHDS) data to evaluate if dowry expenditure on a daughter’s marriage can explain the income mobility and possibly if it forces some households into poverty trap. Regression results suggest that dowry expenditure constitutes a significant f

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14

Matheron, Michael E. "Biology and Management of Downy Mildew of Lettuce." College of Agriculture, University of Arizona (Tucson, AZ), 2015. http://hdl.handle.net/10150/579516.

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15

Matheron, Michael E., and Martin Porchas. "Management of Downy Mildew of Broccoli in 2005." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/215000.

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Downy mildew of broccoli, cauliflower and cabbage is caused by the oomycete pathogen Peronospora parasitica. Cool moist environmental conditions favor the development of downy mildew on these crops. Several fungicides were evaluated individually or combined with another material (applied as a mixture or in a rotational program) for control of this disease on broccoli in the 2004- 05 growing season. Several treatments provided the most efficacious degree of disease control, including Maneb, Reason+Bond alternated with Aliette, Ranman+Maneb+Silwet L-77, Ranman+Silwet L-77, Forum+Maneb, Forum+Pen

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16

Padi, Francis Kwame. "Genetic analyses of adaptive traits in pearl millet (Pennisetum glaucum (L.) R. Br.)." Thesis, University of East Anglia, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251634.

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17

El-Gariani, Najat Khalifa. "Nutrient uptake by Peronospora and Phytophthora hyphae." Thesis, University of the West of England, Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275354.

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18

Dodenhoff, Danielle. "An Analysis of acoustic Ccmmunication within the social system of Downy Woodpeckers (Picoides pubescens)." Columbus, Ohio : Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1032381559.

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Thesis (Ph. D.)--Ohio State University, 2002.<br>Title from first page of PDF file. Document formatted into pages; contains xiii, 132 p. Includes abstract and vita. Advisor: Douglas Nelson, Dept. of Evolution, Ecology, and Organismal Biology. Includes bibliographical references (p. 126-132).

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19

Högberg, Alexander. "Dowry and Microcredit : Effects on gender relations in Bangladesh." Thesis, Linköpings universitet, Institutionen för kultur och kommunikation, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-80719.

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This study examines what effects dowry has on the gender relations in the Savar area outside of Dhaka, Bangladesh. The collection of data was made through fieldwork on sight in Savar, with the help of ADESH, during a two month period, in the spring of 2012. Almost twenty interviews were made out in villages with female members of ADESH who told me of how dowry and their participation in ADESH’s activities affected their lives. A few interviews were also made in ADESH’s own office with employees to gain a deeper understanding of the women’s life situation and the work of ADESH. The focus of thi

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20

Clark, Jeremy S. C. "Nutrient transport and resistance in downy mildew of pea." Thesis, University of the West of England, Bristol, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328393.

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21

Ashton, Hazel. "Infection process and host responses in pea downy mildew." Thesis, University of the West of England, Bristol, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240876.

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22

Beale, Alison Jane. "Interfacial components in pea downy mildew and phytophthora hyphae." Thesis, University of the West of England, Bristol, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314844.

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23

Dodenhoff, Danielle. "An analysis of acoustic communication within the social system of Downy Woodpeckers (Picoides pubescens) /." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486463803601787.

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24

MacManus, Gerard P. V. "Development and extension of a disease forecasting and chemical control system for onion downy mildew /." St. Lucia, Qld, 2000. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16115.pdf.

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25

Williams, Mia Gabrielle. "Impact of environmental conditions on the infection behaviour of Western Australian strains of Plasmopara viticola, causal agent of downy mildew in grapevines." University of Western Australia. Soil Science and Plant Nutrition Discipline Group, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0035.

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Downy mildew, caused by the biotrophic Oomycete Plasmopara viticola, is one of the most important diseases of grapevines world wide. It is particularly destructive in temperate viticultural regions that experience warm wet conditions during the vegetative growth of the vine (Wong et al., 2001). The disease is not normally a problem in mediterranean climates where the growing season tends to be hot and dry (Mullins et al., 1992; Sivasithamparam, 1993). Grape downy mildew is however a major disease in Australian viticulture (McLean et al., 1984; Magarey et al., 1991). Grape downy mildew was firs

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26

Sabry, Ahmed Mohamed-Bashir. "QTL mapping of resistance to sorghum downy mildew in maize." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/460.

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Sorghum downy mildew (SDM) of maize is caused by the oomycete Peronosclerospora sorghi (Weston and Uppal) C. G. Shaw. The disease can cause devastating yield losses in maize (Zea mays L.). Quantitative trait loci (QTLs) mediating resistance to SDM were mapped using both restriction fragment length polymorphisms (RFLPs), and simple sequence repeats (SSRs) in 220 F2 individual maize progeny derived from a cross between two extremes; highly susceptible inbred parent SC-TEP5-19-1-3-1-4-1-1 (white) and highly resistant inbred P345C4S2B46-2-2-1-2-B-B-B (yellow). The phenotypic expression was assesse

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27

Katahan, Effstratia Antoniou. "Stories of an immigrant Greek woman, my mother's dowry textiles." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq22532.pdf.

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28

Jehan, Katherine. "Gender, globalisation and the growth of dowry in south India." Thesis, University of Leeds, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.550814.

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This research explores men and women's gendered experiences of dowry against a backdrop of socio-economic change. In recent decades, South India has seen a substantial increase in the quantum of goods and money exchanged at marriage and an adoption of the practice by more and more communities. These changes in a hitherto 'dowryless' region have occurred in tandem with the nation's period of economic reform. Drawing on data collected using ethnographic research methods in the state of Tamil Nadu, the research sets out to understand the growth in dowry through the meanings that people assign it.

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29

Matheron, M. E., and J. C. Matejka. "Downy Mildew of Broccoli - Promising New Fungicides for Disease Control." College of Agriculture, University of Arizona (Tucson, AZ), 1987. http://hdl.handle.net/10150/221432.

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Downy mildew of broccoli, caused by the fungus Peronospora parasitica, is a perennial disease problem affecting winter broccoli production in Arizona. During 1985-87, potential systemic fungicides were evaluated in the field for disease control. In the 1985-86 season, a period of high disease incidence, lesion development was significantly reduced by fosetyl-Al (44 %), phosphorous acid (42 %), oxadixyl + mancozeb (35 %), chlorothalonil (33 %), metalaxyl + mancozeb (30 %) and metalaxyl + chlorothalonil (28 %). During the 1986 -87 growing season, disease incidence was low and lesion development

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30

Elwood, Heather. "Integrated Management of Downy Brome (Bromus Tectorum L.) Infested Rangeland." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/2019.

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Invasive weed species are a threat to the health and functionality of many rangeland systems. Downy brome (Bromus tectorum) is an invasive annual grass that affects the productivity of rangelands by decreasing the grazing capacity for livestock as well as altering the wildfire cycle and competing against more desirable vegetation for limited resources.In 2006, an Invasive Plant Management Plan and Environmental Assessment was approved for Dinosaur National Monument, calling for prioritization of invasive species management on high value wildlife habitat, vector areas, and for species with a hi

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31

Chimot-Marolle, Patricia Nathali Claudette. "Identification and mapping of the RPp8 cluster disease resistance genes in Arabidopsis Thaliana, that recognise Peronospora Parasitica." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264873.

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32

Jhutti, Jagbir. "A study of changes in marriage practices among the Sikhs of Britain." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297527.

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33

Mandal, Shipra. "Modernization and women's status in India : a gender in development perspective on dowry deaths, sex ratios, and sex-selective abortions /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004331.

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34

Gloster, Wyatt Robin James. "Unshackling the Dowry Debate : Re-assessing Marital breakdown and conjugal violence." Thesis, SOAS, University of London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487127.

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This interdisciplinary study re-examines contemporary understandings of the role p.layed by dowry in situations of marital breakdown and conjugal violence in India. It challenges the assumption that dowry lies at the centre of alleged cases of cruelty and unnatural deaths of married women. In addition to the rich and insightful data gleaned from extensive in-depth interviews of both complainants and - unlike' in previous studies defendants in 'dowry-related' cruelty and death cases in Bangalore, Mumbai and New Delhi, a large number of experts were consulted from a diversity of disciplines. It

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35

Criswell, Adam. "Screening Cucumber (Cucumis sativus) for Resistance to Downy Mildew (Pseudoperonospora cubensis)." NCSU, 2008. http://www.lib.ncsu.edu/theses/available/etd-06272008-145848/.

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Downy mildew, a foliar disease caused by the oomycete Pseudoperonospora cubensis (Berk. and Curt.) Rostow. is one of the most destructive pathogens of cucurbits. Resistant cultivars are available but nevertheless yield losses are high in North Carolina and Poland if fungicides are not used. The first objective of this experiment was to test all available plant introduction accessions from the U.S. National Plant Germplasm System of cucumber for downy mildew resistance under field conditions. The 1289 cultigens were tested at Clinton NC, USA, and Skierniewice, Poland during 2005-2007 under natu

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36

Gray, Alexander Bruce. "Host-parasite relationships in tissue cultures of sunflower and downy mildew." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=72834.

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37

Mhora, Terence Tariro. "A Genomics Based Approach to Managing Downy Mildew of Lima Bean." Thesis, University of Delaware, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10937212.

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<p> Lima bean is the cornerstone of the vegetable processing industry in the Mid-Atlantic region (MAR). An overall nationwide decline in lima bean production has allowed the MAR to occupy this niche market area and increase its production and revenue. However, <i>Phytophthora phaseoli</i>, the causal agent of downy mildew remains a scourge for lima bean producers, causing significant periodic losses. New races of <i>P. phaseoli</i> have worsened the situation for farmers, rendering resistant cultivars susceptible and increasing their chemical input costs as they attempt to limit yield losses.

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38

Harvey, Sarah. "The downy mildew effector HaRxL21 suppresses immune responses of Arabidopsis thaliana." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/61784/.

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The oomycete Hyaloperonospora arabidopsidis (Hpa) is the causal agent of downy mildew of Arabidopsis thaliana; a system that can be used as a model for the study of plant-pathogen interactions. In order for successful colonisation, biotrophic pathogens such as Hpa suppress or evade plant defences through secretion of effector proteins into the plant to manipulate and disrupt the host immune system. Alignment of oomycete effector proteins has revealed a conserved amino acid sequence at the N-terminus with the consensus sequence RxLR (arginine, any, leucine, arginine), thus allowing the use of B

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39

Matheron, Michael E., and Martin Porchas. "Downy Mildew of Broccoli: Comparison of Chemical Management Tools in 1997." College of Agriculture, University of Arizona (Tucson, AZ), 1997. http://hdl.handle.net/10150/221638.

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Downy mildew of broccoli is caused by the plant pathogenic fungus Peronospora parasitica. Cool damp weather with high humidity is highly favorable for sporulation, dissemination of spores, and infection by this pathogen. The severity of disease is affected by the duration of weather conditions favorable for disease development. Potential new fungicides were evaluated for disease management in a 1997 field trial. A moderate degree of downy mildew developed by crop maturity. All tested compounds except Trilogy provided significant reductions in the severity of disease compared to no treatment at

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40

Jones, Elizabeth. "Mapping quantitative trait loci for resistance to downy mildew in pearl millet." Thesis, Bangor University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387360.

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41

Lei, Rita Tak Cheng. "Characterisation of host and pathogen genes involved in downy mildew/arabidopsis interactions." Thesis, University of East Anglia, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502184.

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Crop diseases cause economic losses amounting to over $200 billion each year. One of the most devastating crop failures was caused by the oomycete pathogen Phytophthora infestans that led to the Irish Potato Famine in the 1840s. The oomycete Hyaloperonospora arabidopsidis (Hpa) is a useful pathogen to study oomycete Hyaloperonospora arabidopsidis (Hpa) is a useful pathogen to study oomycete diseases as it is a natural pathogen of the model plant Arabidopsis and a draft genome sequence of the Hpa race Emoy2 is available. Three approaches have been used in this study to identify host and pathoge

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42

Piquerez, Sophie. "Investigating the role of downy mildew effectors in host resistance and susceptibility." Thesis, University of East Anglia, 2011. https://ueaeprints.uea.ac.uk/40458/.

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Through specialised structures called haustoria, filamentous eukaryotic plant pathogens such as rusts and mildews can deliver “effector” proteins directly into plant cells in order to manipulate specific defence responses and processes. Hyaloperonospora arabidopsidis (Hpa) is a haustorium-producing biotrophic oomycete pathogen that causes downy mildew on Arabidopsis. Over 100 candidate effectors (called “HaRxLs”), carrying a characteristic RxLR protein motif, have been predicted from the Hpa genome sequence. This PhD work focused on the characterisation of some of these effectors and their int

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43

Matheron, Michael E., and Martin Porchas. "Comparison of Fungicides for Management of Downy Mildew of Broccoli in 2003." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2003. http://hdl.handle.net/10150/214969.

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Downy mildew of broccoli, cauliflower and cabbage is caused by the oomycete pathogen Peronospora parasitica. Cool moist environmental conditions favor the development of downy mildew on these crops. Several potential new fungicides were evaluated for control of this disease on broccoli in 2003. A moderate level of disease had developed by crop maturity. Actigard, Actigard alternated with Quadris, Acrobat+Maneb and DPX-KP481 were among the best treatments in this trial. Actigard is not a fungicide, but is classified as a plant activator. When applied to plants, this compound stimulates a defens

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44

Mancini, Valeria. "Integrated management of seedborne fungal diseases of vegetables and grapevine downy mildew." Doctoral thesis, Università Politecnica delle Marche, 2015. http://hdl.handle.net/11566/243027.

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L'obiettivo della tesi è stato quello di valutare alcune tecniche per la protezione integrata da malattie fungine trasmissibili per seme in specie ortive e della peronospora della vite. I patogeni fungini si trovano sulla superficie e/o all'interno dei semi, in molti casi asintomatici, dando origine a epidemie su vasta scala. I metodi di diagnosi sono strumenti utili per verificare la loro presenza sui semi, e la disinfezione o decontaminazione del seme è fondamentale per prevenire la diffusione del patogeno. Su questi argomenti è stato esposto lo stato dell'arte relativo alle tecniche

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45

Santamaria, Luisa. "Evaluation of lima bean (Phaseolus lunatus) germplasm for resistance to downy mildew, and epidemiological and biological studies of its causal agent, Phytophthora phaseoli." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 159 p, 2008. http://proquest.umi.com/pqdweb?did=1456289191&sid=3&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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46

Sinapidou, Evaggelia. "Genetic and molecular dissection of the RPP2 locus of the Arabidopsis thaliana accession COL-5 that confers resistance to the Peronospora parasitica isolate CALA2." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313291.

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47

Hänninen, Kaarina. "Tree-cover crop interactions : birch growth, competition and soil properties /." Oulu : Oulun Yliopisto, 2002. http://herkules.oulu.fi/isbn9514267184.

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48

Matheron, Michael E., and Martin Porchas. "Management of Downy Mildew on Broccoli: Efficacy of Fungicides in 1996 Field Trial." College of Agriculture, University of Arizona (Tucson, AZ), 1996. http://hdl.handle.net/10150/214749.

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Downy mildew of broccoli is caused by the plant pathogenic fungus Peronospora parasitica. Cool damp weather with high humidity is highly favorable for sporulation, dissemination of spores, and infection by this pathogen. The severity of disease is affected by the duration of weather conditions favorable for disease development. Potential new fungicides were evaluated for disease management in a field trial conducted in 1996. Disease pressure was moderate and all tested fungicides except Ridomil MZ 72 and one Ciba G + Mancozeb treatment significantly reduced the number of downy mildew lesions o

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49

Matheron, Michael E., and Martin Porchas. "Comparison of New Fungicides for Management of Downy Mildew of Broccoli in 2001." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2001. http://hdl.handle.net/10150/214914.

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Downy mildew of broccoli, cauliflower and cabbage is caused by the fungus Peronospora parasitica. Cool moist environmental conditions favor the development of downy mildew on these crops. Several potential new fungicides were evaluated for control of this disease on broccoli in 2001. The final severity of downy mildew in this trial was moderate. Significant reduction in disease severity compared to nontreated plants was achieved by application of available compounds such as Aliette, Bravo, Maneb, Serenade and Trilogy. The nonregistered chemistries Acrobat, Actigard, Curzate, Flint, BAS 500, DP

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50

Matheron, Michael E., and Martin Porchas. "Comparative Efficacy of Fungicides for Management of Downy Mildew of Broccoli in 2004." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/215251.

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Downy mildew of broccoli, cauliflower and cabbage is caused by the oomycete pathogen Peronospora parasitica. Cool moist environmental conditions favor the development of downy mildew on these crops. Several fungicides were evaluated individually or combined with another material (applied as a mixture or in a rotational program) for control of this disease on broccoli in 2004. A moderate level of disease had developed by crop maturity. Tanos+maneb provided the best reduction in disease among treatments. Other treatments that performed well included Tanos alternated with Maneb, Actigard, Reason

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