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Dissertations / Theses on the topic 'Sweet potatoes'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Leighton, Christina Stephanie. "Nutrient and sensory quality of orange-fleshed sweet potato." Pretoria : [s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-09222008-114748.

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2

Monday, Tyler Anthony Foshee Wheeler G. "Industrial sweetpotato a viable biofuel crop for Alabama /." Auburn, Ala, 2009. http://hdl.handle.net/10415/1763.

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3

Button, Kimberly. "Processing sweet potatoes into french fries." Kansas State University, 2015. http://hdl.handle.net/2097/20496.

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Master of Science<br>Food Science Institute - Animal Sciences & Industry<br>Fadi M. Aramouni<br>Sweet potatoes are a significant crop and are popular among consumers, particularly as french fries. Because the processing steps of making white potato french fries may be detrimental to the quality of a sweet potato fry, it is important to understand the impact of processing on quality and consumer acceptability. The variety of sweet potatoes can affect the texture, appearance, and consumer preference. Peeling processes have evolved from harsh lye treatments to more quick and efficient methods suc

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4

Collado, Lilia S. "Physical properties and utilization of sweet potato starch and flour." Thesis, Click to view the E-thesis via HKUTO, 1997. http://sunzi.lib.hku.hk/hkuto/record/B42574675.

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5

Huang, Junchao. "Molecular phylogeny and genetic diversity of sweetpotato (Ipomoea batatas) and its wild relatives." Click to view the E-thesis via HKUTO, 2000. http://sunzi.lib.hku.hk/hkuto/record/B42575606.

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6

Xiang, Mingyan. "Enzymes associated with oxidative stress in sweet potatoes." Thesis, University of Greenwich, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401561.

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7

黃俊潮 and Junchao Huang. "Molecular phylogeny and genetic diversity of sweetpotato (Ipomoea batatas) and its wild relatives." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B42575606.

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8

Prapti, Sedijani. "The use of mutagenic agents to increase the protein content and improve the amino acid composition of sweet potato (Ipomea batatas Lam.) /." View thesis View thesis, 1997. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030925.092030/index.html.

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Thesis (M. Sc.) (Hons.) -- University of Western Sydney, Hawkesbury, 1997.<br>Thesis submitted for the degree of Master of Science (Honours), School of Horticulture, University of Western Sydney, Hawkesbury, 1997. In Chapter 1, figures 1.1 and 1.2 are not reproduced in the text. Bibliography : leaves 112-135.

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9

張志田 and Zhitian Zhang. "Nutritional quality and starch physicochemical properties in sweetpotato." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31242728.

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10

Zhang, Zhitian. "Nutritional quality and starch physicochemical properties in sweetpotato." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23241950.

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11

Perez, Sira Elevina E. "Determination of the correlation between amylose and phosphorus content and gelatinization profile of starches and flours obtained from edible tropical tubers using differential scanning calorimetry and atomic absorption spectroscopy." Online version, 2000. http://www.uwstout.edu/lib/thesis/2000/2000pereze.pdf.

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12

Yaku, Alexander. "Effects of intercropping sweet potato on the population density of sweet potato weevil, Cylas formicarius (F.) (Coleoptera:Curculionidae)." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=56673.

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Field experiments were conducted during the 1989 dry season (July to December) at the Manggoapi Farm of the Faculty of Agriculture, Cenderawasih University in Manokwari, Irian Jaya, Indonesia. The objectives of the experiments were to determine the effects of four sweet potato cropping systems on the population density of sweet potato weevils (SPW) and on the diversity of other insects within these agroecosystems.<br>Fewer SPW were found in intercropped sweet potato + corn (2 weevils per kg infected tubers), sweet potato + soybean (21 weevils), sweet potato + corn + soybean (8 weevils) than in

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13

Oliveira, Alisson Marcel Souza de. "Produção de clones de batata-doce em função de ciclo de cultivo." Pós-Graduação em Agroecossistemas, 2013. https://ri.ufs.br/handle/riufs/6572.

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Sweet potato [Ipomoea batatas (L.) Lam] is technically a perennial plant, cultivated and explored as an annual crop. Thus, the identification of the cultivation cycle and sweet potato clones is important for a better utilization of this crop, in both, human and animal nutrition, as for ethanol production. The aim of this work was to evaluate the performance of sweet potato clones grown in different cultivation cycles. The experimental design was a randomized block design, in a split-plot scheme, with three replications. We tested in the plots three cultivation cycles (3, 5 and 7 months), and i

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14

Van, Oirschot Quirien. "Storability of sweet potatoes (Ipomoea batatas (L.)) under tropical conditions : physiological and sensory aspects." Thesis, Cranfield University, 2000. http://dspace.lib.cranfield.ac.uk/handle/1826/11925.

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The shelf-life of the sweet potato storage root under tropical marketing conditions limits its potential for marketing. This research aimed to identify the physiological characteristics that affect the shelf-life of sweet potato cultivars when they are exposed to tropical marketing conditions. Weight loss was the key limiting factor in storability under the conditions studied. The range in weight loss was large amongst the 39 cultivars tested, and varied between 5 to 15% per week. Weight loss related to the marketable appearance. It consisted mainly of water loss and only 10% was due to respir

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15

Stone, Amanda Leigh. "Development of a more sustainable sweetpotato production system in Alabama." Auburn, Ala., 2005. http://repo.lib.auburn.edu/2005%20Fall/Thesis/STONE_AMANDA_35.pdf.

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16

Mukasa, Settumba. "Genetic variability and interactions of three sweetpotato infecting viruses /." Uppsala : Dept. of Plant Biology and Forest Genetics, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/a477.pdf.

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17

Mkhabela, Manasah Sibusiso. "Effects of municipal solid waste compost on soil phosphorus availability and uptake by potatoes and sweet corn." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ36516.pdf.

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18

Korese, Joseph Kudadam [Verfasser]. "Experimental and modeling studies of forced convection storage and drying systems for sweet potatoes / Joseph Kudadam Korese." Kassel : Universitätsbibliothek Kassel, 2016. http://d-nb.info/1123676348/34.

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19

An, Le Van. "Sweet potato leaves for growing pigs : biomass yield, digestion and nutritive value /." Uppsala : Dept. of Animal Nutrition and Management, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/a470.pdf.

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20

Azerefegne, Ferdu. "The sweet potato butterfly Acraea acerata in Ethiopia : ecology and economic importance /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5701-7.pdf.

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21

Coutinho, Ana Paula Cerino [UNESP]. "Produção e caracterização de maltodextrinas a partir de amidos de mandioca e batata-doce." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/101670.

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Made available in DSpace on 2014-06-11T19:31:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-01-06Bitstream added on 2014-06-13T21:02:45Z : No. of bitstreams: 1 coutinho_apc_dr_botfca.pdf: 1436935 bytes, checksum: c72f0d2f7b757dff306112676604e8cc (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>As maltodextrinas sao produtos da hidrolise parcial do amido e tem sido largamente usadas nas industrias de alimentos em muitos tipos de alimentos processados. Maltodextrinas sao classificadas de acordo com o grau de hidrolise do amido, que e expressa em dextr

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22

Alves, Rodrigo Pereira. "Diversidade morfológica, agronômica e potencial para produção de etanol de germoplasma de batata-doce." Pós-Graduação em Agroecossistemas, 2014. https://ri.ufs.br/handle/riufs/6577.

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The sweet potato (Ipomoea batatas L.) is a dicotyledonous species of Convolvulaceae family, cultivated worldwide, with a low production cost and high economic return. Can be utilized in food and feed and ethanol production. The present study aimed, morphological, agronomic and biochemical characterization of sweet potato from the Active Germplasm Bank of UFS access. The experiment was conducted at the Experimental Farm " Rural Campus " UFS, located in the municipality of São Cristóvão - SE, using a randomized block design with 73 treatments (accessions of sweet potato), and two repetitions. In

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23

Fleming, Daniel Edward. "The spotted cucumber beetle (Diabrotica undecimpunctata howardi) interactions with cucurbits and its status as a sweetpotato pest in Mississippi /." Master's thesis, Mississippi State : Mississippi State University, 2009. http://library.msstate.edu/etd/show.asp?etd=etd-03272009-112856.

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24

Chakalian, Meline. "Promoting dietary chemoprevention through development of a functional food product using sweet potatoes (Ipomoea batatas (L.) Lam.) and ginger (Zingiber officinale)." Thesis, California State University, Long Beach, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10140469.

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<p>Colorectal cancer is the third leading cause of morbidity and second leading cause for mortality by cancer in the United States. Phytochemicals within fruits and vegetables have demonstrated chemopreventive potential by regulating certain defense mechanisms within the body. This study evaluated consumer acceptability of a sweet potato ginger crisp prototype. Thirty-two male and female subjects (mean age: 22.8 years) were recruited at California State University, Long Beach. Consumer acceptability was significantly (p < 0.05) higher for the commercial product compared to prototype on several

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25

Hoffman, Christopher John. "THE EFFECT OF PHOTOPERIOD AND TEMPERATURE UPON ADULT ECLOSION OF THE SWEETPOTATO WHITEFLY, BEMISIA TABACI (GENNADIUS)." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275371.

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26

Mingot, Martí Ares. "Identification and functional characterization of P1N-PISPO, a new gene product present in sweet potato potyviruses." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/396653.

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Sweet potato feathery mottle virus (SPFMV) (Potyvirus genus, Potyviridae family) causes important yield losses in sweet potato crops, in particular in co-infections with the unrelated crinivirus Sweet potato chlorotic stunt virus (SPCSV). This thesis addresses the characterization of some novel aspects in the infectious cycle of SPFMV, such as the expression, production and function of a new gene product named P1N-PISPO. A better understanding of SPFMV genome organization and the functions of their gene products might be relevant to improve the control strategies against this virus and the ass

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27

Coutinho, Ana Paula Cerino 1973. "Produção e caracterização de maltodextrinas a partir de amidos de mandioca e batata-doce /." Botucatu : [s.n.], 2007. http://hdl.handle.net/11449/101670.

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Orientador: Cláudio Cabello<br>Banca: Fernando Broetto<br>Banca: Paulo Cesar Razuk<br>Banca: Ivo Mottin Demiate<br>Banca: Celia Maria Landi Franco<br>Resumo: As maltodextrinas sao produtos da hidrolise parcial do amido e tem sido largamente usadas nas industrias de alimentos em muitos tipos de alimentos processados. Maltodextrinas sao classificadas de acordo com o grau de hidrolise do amido, que e expressa em dextrose equivalente (DE). Varias propriedades funcionais, como docura, solubilidade e viscosidade variam de acordo com a degradacao enzimatica e a fonte botanica do amido, e somente a ca

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28

Tairo, Fred. "Molecular resolution of genetic variability of major sweetpotato viruses and improved diagnosis of potyviruses co-infecting sweetpotato /." Uppsala : Dept. of Plant Biology and Foresty Genetics, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200605.pdf.

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29

Ballard, Chris. "The death of a great land ritual, history and subsistence revolution in the southern highlands of Papua New Guinea /." Online version, 1995. http://bibpurl.oclc.org/web/23726.

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30

Corrêa, Annelise Aragão. "Caracterização da silagem de rama de batata doce com aditivo." Pós-Graduação em Zootecnia, 2013. https://ri.ufs.br/handle/riufs/6369.

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This study was to evaluate the nutritional characteristics of silage sweet potato shoots. The study was conducted at the Federal University of Sergipe (UFS), municipality of Saint Kitts UP. The experimental design was completely randomized with four replications, seven levels of additives (0,5,10,15,20,25,30%), divided into mini-laboratory silos. The dry matter with increased according to increasing levels of additive. The protein showed a decrease in values depending on the levels, probably by protein additive. The neutral detergent fiber and acid detergent fiber, no significant differences (

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31

Neganov, Nadezhda I. "Infant Consumption and Enjoyment of Carrots, Peas, Green Beans, Squash and Sweet Potatoes as Related to the Effects of a Dietary Intervention which Focused on Vegetable Intake in Post-Partum Mothers." University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1210866350.

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32

Santos, Neto Antônio Rosalvo dos. "Adubação nitrogenada em clones de batata-doce : comportamento agronômico, bioquímico e uso do nutriente pela planta." Pós-Graduação em Agroecossistemas, 2013. https://ri.ufs.br/handle/riufs/6556.

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Due to the need to define a dose of nitrogen agronomic and economically suitable for the cultivation of sweet potato in the state of Sergipe. The aim of this study was to evaluate the root yield, starch and ethanol in sweet potato clones analyzed from nitrogen. The study was conducted between the months of March and August 2012 at the Experimental Farm |Campus Rural da UFS|, located in the municipality of São Cristóvão, Sergipe, Brazil. We used a randomized complete block randomized in a 5x3 factorial design with three replications, testing five N rates (0, 30, 60, 120 and 240 kg ha-1), using

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33

Cruz, Iuri Vasconcelos Palmeira. "Desempenho e características de carcaça de cordeiros alimentados com silagens." Pós-Graduação em Zootecnia, 2013. https://ri.ufs.br/handle/riufs/6404.

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O presente trabalho foi realizado objetivando avaliar o desempenho, característica de carcaça e análise econômica de cordeiros Santa Inês confinados alimentados com silagens de forrageiras alternativas. Foram utilizados quinze cordeiros da raça Santa Inês com idade média de três meses, não castrados e com peso vivo médio inicial de 18,7 ± 5,8 kg, sendo distribuídos aleatoriamente em seus respectivos tratamentos, os quais foram: silagem de milho (SM); silagem de Capim-elefante com 15% de fubá de milho (SC); silagem de parte aérea de batata com 15% de fubá de milho (SRB). Isto é, três tratamento

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34

José, António Elísio. "Qualidade e estabilidade das propriedades físico-químicas e biológicas relacionadas as características fitoquímicas em Ipomoea batatas na perspectiva de cadeias de produção e de agregação de valor a alimentos em sistemas agropastoris familiares." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/139452.

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Experimentos com vista à avaliação das propriedades físico-quimica, fitoquímicas e biológica, bem como a sua estabilidade, em raízes tuberosas maduras, caules e folhas jovens de duas cultivares, RBS Amélia e RBS Cuia, e dois acessos de Ipomoea batatas, um de polpa púrpura com manchas brancas (C) e outro de polpa púrpura (D), cultivados ecologicamente e em condições de sequeiro na Horta Comunitária de Lomba do Pinheiro (30º 06’ 46’’ S; 51º 06’ 34’’ O) no Município de Porto alegre, RS no período de 2013 a 2015 foram efetuados nos laboratórios de Higiene, Qualidade e Microbiologia de alimentos e

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35

Freire, Ana Patrícia Lisboa. "Qualidade de silagem da parte aérea da batata doce e sua influência no desempenho de cordeiros." Pós-Graduação em Zootecnia, 2014. https://ri.ufs.br/handle/riufs/6367.

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O presente trabalho foi realizado objetivando avaliar a qualidade das silagens de forrageiras tropicais e sua influência no desempenho de cordeiros da raça Santa Inês, manejados em sistema de confinamento. Foram utilizados cordeiros da raça Santa Inês, não castrados, distribuídos aleatoriamente em seus respectivos tratamentos, os quais foram: silagem de milho (SM); silagem de Capim-elefante com 15% de fubá de milho (SC); silagem de parte aérea de batata doce com 15% de fubá de milho (SPAB). Dispostos em delineamento em bloco casualizado com cinco repetições. As análises de matéria seca, nitro

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36

Leite, Cláudio Eduardo Cartabiano. "Novas cultivares de batatas-doces (Ipomoea batatas L. Lam.): potencial nutricional, composição de bioativos, propriedades antioxidantes e análise digital de imagem." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2374.

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CAPES; Fundação Araucária<br>Distribuída e cultivada em vários países, a batata-doce (Ipomoea batatas L. Lam.) é um alimento de suma importância na dieta diária da população, principalmente no continente asiático, o qual detém a maior parcela de sua produção. Essa raiz tuberosa é rica em nutrientes e fonte de energia. Além disso, algumas cultivares possuem em sua composição compostos bioativos como antocianinas, carotenoides e polifenóis, os quais apresentam atividade antioxidante e podem contribuir beneficamente para a manutenção do organismo humano. Nesse sentido, o presente trabalho objetiv

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37

Namutebi, Agnes Ssekaalo. "Extrusion processing of sweet potato." Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247561.

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38

Byrne, David N., Erich A. Draeger, and Donna L. Meade. "Effectiveness of Pesticides with Novel Chemistries Against Different Life Stages of the Sweet Potato Whitefly." College of Agriculture, University of Arizona (Tucson, AZ), 1991. http://hdl.handle.net/10150/221441.

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The sweet potato whitefly is an insect whose economic importance is continually expanding as it becomes a more efficient vector, increases its fecundity and broadens its host range. To keep pace with its ability to develop resistance to existing classes of pesticides, we have undertaken a program to examine the effectiveness of pesticides with novel chemistries and novel modes of action. Several have shown themselves to be very effective against the various life stages of the sweet potato whitefly. Once these are incorporated in to our arsenal of pesticides, we hope to be able to manage resist

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39

Byrne, David N., John C. Palumbo, T. V. Orum, and Robin J. Rathman. "Identifying Short-Range Migration by the Sweet Potato Whitefly." College of Agriculture, University of Arizona (Tucson, AZ), 1995. http://hdl.handle.net/10150/221474.

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Populations of the sweet potato whitefly, Bemisia tabaci, have been shown to consist of both migratory and trivial flying morphs. The behavior of these forms as part of the process of short-range migration needed to be examined under field conditions. Insects were marked in a field of cantaloupes using fluorescent dust. During the first growing season traps, used to collect living whiteflies, were placed along 16 equally spaced transects (22.5° apart) radiating out from the field to a distance of up to 0.6 miles. Wind out of the northeast consistently carried migrating whiteflies to traps plac

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40

Byrne, David N., and William B. Miller. "Examination of the Expansion of the Host Range of the Sweet Potato Whitefly." College of Agriculture, University of Arizona (Tucson, AZ), 1990. http://hdl.handle.net/10150/214480.

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A Florida strain of sweet potato whitefly, Bemisia tabaci (Gennadius), was found to have an expanded range which includes several new food crops. To determine why, we examined how it processes plant nutrients. The amino acid and carbohydrate content of phloem sap from poinsettia and pumpkin and of honeydew produced by the Florida strain were analyzed Honeydews produced by a strain from Arizona feeding on both plants were also analyzed Poinsettia phloem sap contained 15 amino acids; 14 of these were in pumpkin phloem sap. Almost all the same amino acids were in the honeydews produced by the two

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Byrne, David N., Jackie Blackmer, and Robin Rathman. "Field and Laboratory Evaluation of Migration and Dispersal by the Sweet Potato Whitefly, Bemisia tabaci (Gennadius)." College of Agriculture, University of Arizona (Tucson, AZ), 1994. http://hdl.handle.net/10150/214731.

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Although problems associated with the sweet potato whitefly, Bemisia tabaci (Gennadius), are not as dramatic as they were in 1992. they were still significant in 1993. Laboratory research in 1993 focused on defining the cues that result in migratory behavior, specifically host quality. In addition, field studies were conducted to learn more about timing, direction, and distance flown. Our goal is to develop a predictive model that can be used for forecasting whitefly movement. During our behavioral studies, B. tabaci was presented with two cues that lead to disparate behaviors. More than 70% o

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42

Dai, Shun. "Preliminary Evaluation of Antioxidant Compounds and Antioxidant Capacity of 15 Cultivars of Sweet Potato (Ipomoea batatas) and Sweet Potato Fries." Ohio University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1533642035567536.

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43

Sedijani, Prapti, of Western Sydney Hawkesbury University, of Science Technology and Agriculture Faculty, and School of Horticulture. "The use of mutagenic agents to increase the protein content and improve the amino acid composition of sweet potato (Ipomea batatas Lam.)." THESIS_FSTS_HOR_Sedijani_P.xml, 1997. http://handle.uws.edu.au:8081/1959.7/647.

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The sweet potato has become a major international crop and it is also the main staple food for many people in the developing world. This crop is desirable as it is high yielding, easy to grow and has a low cost of production. However, the tubers have a low protein content and a low concentration of amino acids, particularly the aspartate amino acid. This has contributed to malnutrition in some areas. To help overcome this problem this study had the aim of producing lines of sweet potato with increased nutritional values. Two varieties, Beauregard and LO322, were selected for study as they have

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44

Blair, Nerida. "Sweet potatoes, spiders & waterlilys." Thesis, 2008. http://hdl.handle.net/1959.13/1312579.

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Research Doctorate - Doctor of Philosophy (PhD)<br>Centring Indigenous Knowings when conducting research is more than placing the word 'Indigenous' in front of the word 'research'. Indigenous Knowings represented and embodied here as a Waterlily is fundamentally different to Western Knowledges (represented by a Brick Wall). This thesis explores some epistemological consequences of Knowledge production in Australia; it is a story I know told by many voices, many difference stories - stories that do not contradict each other, they simply co-exist. This thesis documents my struggles and those of

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45

Li, Dong-Xiu, and 李東秀. "The studies of off-flavor of sweet potatoes flavor and the flavor analysis of cooking sweet potatoes." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/61254385755167801787.

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46

Kivuva, Benjamin Musembi. "Breeding sweetpotato (Ipomoea batatas [L.] Lam.) for drought tolerance in Kenya." Thesis, 2013. http://hdl.handle.net/10413/10941.

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Sweetpotato (Ipomoea batatas (L.) Lam.) is an important food crop in East Africa including Kenya. The crop incurs high yield losses in production due to biotic (insect pests and diseases) and abiotic (drought, and heat) constraints. Among abiotic constraints, drought is the most important. Prolonged periods of drought in arid and semi-arid areas of Kenya have led to reduced quantity and quality of sweetpotato storage roots and in severe cases caused total crop failure. The objectives of this study were to: 1) determine sweetpotato production system constraints and farmers’ coping strategies; 2

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47

Ricardo, José. "Screening sweetpotato (Ipomoea batatas L.) for drought tolerance and high β-carotene content in Mozambique". Thesis, 2011. http://hdl.handle.net/10413/6082.

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Sweetpotato (Ipomoea batatas, L.) is one of the important sources of carbohydrates and economic income in Mozambique. As with most of the food crops in Mozambique, it is usually produced by small-scale farmers under dryland conditions. Despite the importance of the crop, the storage root yields are still low and it is difficult to keep planting material (vines) for the next planting season. One of the major challenges to production is drought stress. Drought stress affects sweetpotato by retarding aboveground growth, reducing total root yield, percentage of dry mass, and reducing the quality o

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Nurdjanah, Siti Chemical Sciences &amp Engineering Faculty of Engineering UNSW. "Extraction and characterisation of pectin from Australian and Indonesian sweet potato." 2008. http://handle.unsw.edu.au/1959.4/41424.

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Abstract:

Starch residue samples from two Australian sweet potato varieties (Beauregard and Northern Star) and two Indonesian sweet potato varieties (Bis192 and Bis183), and commercial sample of sweet potato starch residue, were studied for their pectins. Pectins were extracted using 0.1M HCl, 0.05M NaOH, 0.1M HCl/0.75%SHMP, and 0.05M NaOH/0.75% SHMP. Hydrolysis of residual starch in the cell wall of sweet potato using heat stable α-amylase and amyloglucosidase was employed prior to pectin extraction to eliminate starch contamination. Pectins were characterised for yield, moisture, ash, galacturonic aci

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Sseruwu, Godfrey. "Breeding of sweet potato (Ipomoea batatas (L.) Lam.) for storage root yield and resistance to Alternaria leaf petiole and stem blight (Alternaria spp.) in Uganda." Thesis, 2013. http://hdl.handle.net/10413/10700.

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Abstract:

Alternaria leaf petiole and stem blight is an important disease of sweetpotato (Ipomoea batatas (L.) Lam.) causing yield losses in both landraces and improved cultivars. The most important species causing economic yield loss in Uganda are Alternaria bataticola and A. alternate with A. bataticola the most aggressive and widely distributed. The study was conducted to: i) establish farmer-preferred sweet potato attributes, production constraints and Alternaria leaf petiole and stem blight awareness; ii) evaluate Ugandan sweet potato germplasm for Alternaria leaf petiole and stem blight resistance

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50

Ntoampe, Mannana. "Microbial fuel and chemical production using sweet potatoes." Thesis, 2012. http://hdl.handle.net/10539/11742.

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Abstract:

Extensive use of fossil fuels over the years has resulted in increased petrol and electricity prices as well as negative impacts on the environment resulting from increased Green House Gas (GHG) emissions. There is therefore a need for a renewable and more environmental friendly source of energy. The aim of this study was to produce an alternative fuel source in a form of biofuels from sweet potato tuber using a laboratory-scale Fluidized Bed Bio-Reactor (FBBR). Sweet potato was a substrate of choice because of its high carbohydrate content. Although sweet potato is a food source, there is a h

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