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Dissertations / Theses on the topic 'SEED SCIENCE AND AGRICULTURE'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Thyagarajan, Palaniappan. "Evaluation and optimization of cranberry seed oil extraction methods." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110762.

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Cranberry seed oil is a fine quality oil which can be marketed for its many beneficial functions to human health due to the presence of a unique combination of omega- 3, 6 and 9 fatty acids and the high concentration of antioxidants. Although there is no available clear data about the oil percentage of cranberry seeds in literature, an experiment was done to analyze the oil yields obtained through different processes such as heat reflux, microwave and ultrasound, both quantitatively and qualitatively. During preliminary experiments, better oil yields were obtained with ground seeds (10.11 ± 0.

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2

Clements, Megan Alexander. "Almond Seed Coat, Surface Area, and Kinetics of Removal via Blanching." Thesis, University of California, Davis, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3565492.

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<p> This research aims to provide a more complete understanding of almond seed coats, including microscopic development and structure, the relationship of measurable properties to surface area, and the kinetics of seed coat separation from the underlying almond kernel in response to a range of temperatures. </p><p> Immature almond samples of Nonpareil and Padre varieties were microscopically examined in the 16th-20th weeks after flowering (13 through 7 weeks prior to commercial harvest). The highly vacuolate and thin-walled diploid maternal tissues and triploid support tissue that sustain

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3

London, Jennie. "Seed Saving| A Comparison of Three Seed Saving Organizations in Support of Social-Ecological Resilience." Thesis, Prescott College, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1549716.

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<p> This project explores the significance of seed saving as an integral part of sustainable agriculture through the lens of social-ecological resilience. In order to take a deeper look at seed saving and its relationship to social-ecological resilience on a regional scale, this research examines the practices of three culturally distinct seed-saving organizations in northern New Mexico and southern Colorado—an indigenous pueblo organization, a multi-generational Hispanic family, and an Anglo family farm. Guided by Participatory Action Research methods, interviews were conducted and an e

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4

Wilkus, Erin Lynn. "Seed exchange among common bean producers in Uganda| Examples of networks that stimulate adoption and market participation." Thesis, University of California, Davis, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10182833.

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<p> Seed exchange networks represent the patterns and processes of seed movement in society, a fundamental component of crop production with major biological and social implications. These networks can furthermore explain patterns in household willingness to experiment with and adopt new and unusual varieties. This body of research focused on common bean (<i>Phaseolus vulagris</i>) seed exchange networks among household producers in western Uganda, where household producers represented over 70% of the population. Among these household producers, nearly all produced beans for either subsistence

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5

Soleri, Daniela. "Developing methodologies to understand farmer-managed maize folk varieties and farmer seed selection in the Central Valleys of Oaxaca, Mexico." Diss., The University of Arizona, 1999. http://hdl.handle.net/10150/284781.

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Collaborative plant breeding (CPB) is an approach to crop improvement incorporating close attention to local biophysical and sociocultural environments and interaction between farmers and plant breeders. CPB may have particular potential for improvement in highly stress-prone environments and for low-resource, traditionally based agricultural communities, situations where more conventional approaches have not been effective. However, CPB will require methodological adjustments or innovations relevant to the smaller scale of its target area and its participatory approach. This study investigate

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6

Whitacre, Marina K. "Cattle as Grazing Management and Seed Dispersal Tools for Increasing Native Species Diversity on Great Basin Rangelands." DigitalCommons@USU, 2004. https://digitalcommons.usu.edu/etd/6604.

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A series of experiments evaluated: 1) the influence of seed intake and gut retention time on seed passage , recovery , and germinability; 2) fecal seeding and broadcast /trampling as techniques to incorporate seeds into a well-established Agropyron desertorum (Fisch.) Schult. stand in Skull Valley , Utah; 3) intensive grazing as a means to reduce Agropyron biomass and increase establishment and survival of seeded species; and 4) the recovery and germinability of seed extracted from dung collected from the field. Two shrubs (Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young and Atripl

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7

Freewalt, Keith. "Creation of a High Density Soybean Linkage Map, QTL Mapping and the Effects of Marker Number, Population Size and Significance Threshold on Characterization of Quantitative Trait Loci." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1402656287.

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8

Williams, Daniel R. "Seed Polymorphism and Domestication in the Lost Crop Chenopodium berlandieri." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1547121898637505.

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9

Voss, Joshua C. "Forage Adaptability Trials for Forage and Seed Production in Bolivia; Effect of 5 Herbicides on 7 Native Utah Forbs." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/1121.

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The harsh environmental and poor economic conditions of the Bolivian Altiplano require intervention to assist many of those that live there to become economically self-sufficient. We attempted to find introduced dry season reserve forage grasses that could produce enough biomass to be useful as feed for livestock, and that could also produce enough seed to distribute to farmers. While some of the grasses produced reasonable amounts of biomass, none produced seed in quantities that would be even close to being economically viable. The most likely cause of this is that the timing of resources th

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10

Auman, Brian S. "Livestock as Seed Disseminators for Reseeding Degraded Rangelands: The Role of Dung in Gap Formation and Plant Establishment." DigitalCommons@USU, 1996. https://digitalcommons.usu.edu/etd/6490.

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Livestock (cattle and sheep) were examined as seed disseminators for reseeding degraded Intermountain rangelands. "Hycrest" crested wheatgrass [Agropyron desertorum (Fisch. ex Link) Schult. X A. cristatum (L.) Gaert.] seed was fed to yearling Holstein steers and Suffolk ewes. Dw1g was collected from each animal type and deposited on plots of high and low densities of an annual [cheatgrass (Bromus tectorum L.)] and perennial [squirreltail (Sitanion hystrix Nutt.)] grass species. The experiment evaluated the ability of the dung to suppress the resident vegetation, and the recruitment and establi

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11

AL-Amery, Maythem. "IMPACT OF A HIGH OIL AND PROTEIN ON AGRONOMIC TRAITS AND OVERALL SEED COMPOSITION IN SOYBEAN." UKnowledge, 2017. https://uknowledge.uky.edu/pss_etds/97.

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New soybean lines have been developed with significantly higher oil, protein + oil and higher meal protein. These soybeans contain a VgD1 gene (highly active acyl-CoA:diacylglycerol acyltransferase, DGAT from Vernonia galamensis (VgDGAT1A) produces much higher oil synthesis and accumulation activity in soybean. Soybean with active DGAT from Vernonia galamensis (VgDGAT1A) has active TAG biosynthesis relative to other DGATs including from soybeans and Arabidopsis. DGATs catalyze the final step of TAG synthesis: DAG (diacylglycerol) + acyl-CoA → TAG + CoASH (Coenzyme A is notable for its role in

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12

Chang, Yu-Wei. "Isolation and characterization of protein fractions from chickpea («Cicer arietinum» L.) and oat («Avena sativa» L.) seeds using proteomic techniques." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=95049.

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Chickpea (Cicer arietinum L.) and oat (Avena sativa L.) seeds are important sources of protein ingredients with potential nutritional, functional and bioactive properties. Protein fractions were prepared from chickpea and oat using sequential extractions with distilled water (albumins), NaCl solution (globulins) and NaOH solution (glutelins), respectively. Molecular characteristics of individual protein fractions were investigated using polyacrylamide gel electrophoresis (Native- and SDS-PAGE, and 2-DGE) in combination with reversed-phase high performance liquid chromatography (RP-HPLC). Trypt

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13

Boateng, Kwasi. "Improving Cocoa Production Through Lean: A Case Study of the Ghanaian Cocoa Industry." TopSCHOLAR®, 2014. http://digitalcommons.wku.edu/theses/1330.

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Cocoa has been useful in several ways, especially to countries that produce it and consumers all over the world. Its benefits range from improving economies to satisfying millions all over the world who desire one cocoa product or the other. The production of cocoa however is not without its own attendant problems. Aging tree stock, spread of diseases, and production capacity problems are, but a few of many challenges that seed gardens that produce cocoa face. This study investigated the pollination process on selected seed gardens in Ghana, the second largest world producer of cocoa. The purp

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14

Ostoja, Steven M. "Granivores and Restoration: Implications of Invasion and Considerations of Context-dependent Seed Removal." DigitalCommons@USU, 2008. https://digitalcommons.usu.edu/etd/130.

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Granivores are important components of sagebrush communities in western North America. These same regions are being altered by the invasion of the exotic annual Bromus tectorum (cheatgrass) that alters physical and biological dynamics in ways that appear to promote its persistence. This research directly relates to the restoration of B. tectorum-dominated systems in two inter-related ways. First, because these landscapes have large quantities of seeds applied during restoration, it is important to determine the major granivore communities in intact sagebrush communities and in nearby cheatgras

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15

Serrure, Laurent, and Lucia Beltrame and Zachary Rootes. "Solutions from Below : A strategic approach for the sustainable management of organised community seed banks." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-1966.

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Organised community seed banks (OCBSs) are one of the main tools to preserve crop diversity at a local level and therefore constitute an important driver for local resilience, as well as an important tool to move society towards sustainability. Agriculture is a fundamental leverage point for society: it fulfils a basic survival need as well as being one of the causes of humans’ unsustainable impact on the environment. It also holds the key to the preservation of biodiversity, which is increasingly important in the face of climate change and extreme weather conditions, and the reduction in use

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16

Haba, Steven R. "Conservation of Begonia germplasm through seeds: characterization of germination and vigor in different species." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1420040181.

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17

Tarvainen, Evelina. "Seeds of sustainability? : A case study on agricultural sustainability perceptions among small-scale farmers in the Manyara region, Tanzania." Thesis, Umeå universitet, Statsvetenskapliga institutionen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-175042.

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Agricultural policies worldwide are giving an increased focus to the goal of sustainable agriculture, but there are still uncertainties around how this is performed and achieved. As small-scale farmers are a fundamental part of agricultural production worldwide, earlier scholars request deeper understanding of how these farmers perceive sustainable agriculture and how they perceive the pathway towards sustainability. In Tanzania, many small-scale farmers choose to participate in initiatives and organizations under the Organic Farming Movement. By focusing on small-scale farmers that have joine

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18

Huarachi, Morejon Nancy. "Genetic and Environmental Factors Affecting Improvement of Rootstocks for Tomato." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1376666605.

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19

Ricks, Christian B. "The Prolamins of Pearl Millet." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1969.pdf.

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20

Doty, Jessica E. "Creating a Non-GMO Grain and Feed Exchange System for Ohio Farmers." Miami University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=miami1480522993553463.

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21

Boateng, Akua F. "Comparison of the Ultrastructure of HTC And HTC-Reversed Cowpea Seeds Using Scanning Electron Microscopy." Bowling Green State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1263254192.

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22

Leiva, Soto Andrea S. "Effects of Soil Balancing Treatments on Soils, Vegetable Crops and Weeds in Organically Managed Farms." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu151514193894181.

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23

Moore, Jenna Marie. "Effects of Soybean Seeding Rate on Plant-to-Plant Variability, Yield, and Soybean Cyst Nematode." The Ohio State University, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1618507332113264.

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24

Öhnfeldt, Rebecca. "Ordinary and Extraordinary : Heritage plants and their farmers." Thesis, Uppsala universitet, Institutionen för arkeologi och antik historia, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-385640.

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This thesis explores how Swedish farmers, who have chosen to farm with heritage plant varieties, motivate their choices and how they as a result of their choices view themselves as farmers. This is investigated against present and future challenges regarding food security and the loss of agricultural biodiversity and biocultural heritage, which, in order to be faced, will require a wider range of plants in cultivation. To find out why farmers make certain choices is vital if we are to make necessary structural changes within the agricultural sector. The farmers’ motives are broad and they are,

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25

Gabriel, Doreen. "Plant communities in organic and conventional agriculture comparing local, landscape and regional effects /." Doctoral thesis, [S.l.] : [s.n.], 2006. http://webdoc.sub.gwdg.de/diss/2006/gabriel.

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26

Norton, Eric C., and Jeffrey C. Silvertooth. "1998 Seed Treatment Evaluations." College of Agriculture, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/197279.

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Cottonseed was treated with several fungicide treatments in an effort to protect the seed and seedling from disease. Seed germination and vigor was evaluated in three Arizona locations; Maricopa, Marana, and Safford. Stand counts were taken after emergence at all three locations and percent emergence (PEM) was calculated. Significant differences in percent emergence due to seed treatments were observed in the both sample dates at Marana. Maricopa and Safford showed no statistically significant differences due treatment.

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27

Rethwisch, Michael D., Bill Daily, David Sanderson, and Charles McDaniel. "Control of Thrips in Seed Onions and Resultant Seed Yields." College of Agriculture, University of Arizona (Tucson, AZ), 1992. http://hdl.handle.net/10150/214522.

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Four insecticides were evaluated for their effect on onion seed production in Yuma County where two species on thrips (western flower and onion) were present in seed fields. Visual differences between treatments resultant from onion thrips damage was evident within 10 days after treatments were applied at flower opening. Lorsban, Ammo and Capture treatments provided control of onion thrips based on condition of seed heads. Only Ammo and Capture treatments increased seed yield as the Lorsban treatment was thought to repel bees which are needed for pollination. Pyrethroid treatments yielded 40%

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Norton, E. R., and J. C. Silvertooth. "1997 Seed Treatment Evaluations." College of Agriculture, University of Arizona (Tucson, AZ), 1998. http://hdl.handle.net/10150/210384.

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Cottonseed was treated with several fungicide treatments in an effort to protect the seed and seedling from disease. Seed germination and vigor was evaluated in three Arizona locations; Maricopa, Marana, and Safford. Stand counts were taken on two separate dates after emergence at all three locations and percent emergence (PEM) was calculated. Significant differences in percent emergence due to treatment were observed in the both sample dates at Marana and Safford. Maricopa showed very little significant differences due treatment.

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29

Norton, E. R., and J. C. Silvertooth. "1995 Seed Treatment Evaluations." College of Agriculture, University of Arizona (Tucson, AZ), 1996. http://hdl.handle.net/10150/210923.

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Cottonseed was treated with several fungicide treatments in an effort to protect the seed and seedling from disease. Seed germination and vigor was evaluated in two Arizona locations; Maricopa and Marana. Stand counts were taken on two separate dates after emergence at both Maricopa and Marana and percent emergence was calculated. Significant differences in percent emergence due to treatment were observed in both sample dates at Marana. Results at Maricopa were not statistically significant but similar trends to those at Marana were observed with treatment number 6 (no treatment) having the lo

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Norton, E. R., and J. C. Silvertooth. "1996 Seed Treatment Evaluations." College of Agriculture, University of Arizona (Tucson, AZ), 1997. http://hdl.handle.net/10150/211131.

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Cottonseed was treated with several fungicide treatments in an effort to protect the seed and seedling from disease. Seed germination and vigor was evaluated in two Arizona locations; Maricopa and Marana. Stand counts were taken on two separate dates after emergence at both Maricopa and Marana and percent emergence was calculated. Significant differences in percent emergence due to treatment were observed in the first sample date at Marana with the treatment combination of NuFlow ND and Maxim having the highest percent emergence. Results from the second sample date at Marana were statistically

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Silvertooth, J. C., and E. R. Norton. "1993 Cotton Seed Treatment Evaluations." College of Agriculture, University of Arizona (Tucson, AZ), 1994. http://hdl.handle.net/10150/209652.

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Cottonseed was treated with several fungicide treatments in an effort to protect the seed and seedling from disease. Seed germination and vigor was evaluated in three Arizona locations; Maricopa, Marana, and Safford. Stand counts were taken on two separate dates after emergence and percent emergence was calculated. Among the three locations only one, Marana, showed significant differences among treatments. The highest percent emergence being seeds treated with Nu-Flow ND at a rate of 7.5 fl oz/cwt. The untreated control placed last in the ranking at this location.

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32

Dostal, Ryan. "A historical consideration of seed saving and suggestions for future seed savers." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/38560.

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Master of Science<br>Department of Horticulture, Forestry, and Recreation Resources<br>Candice A. Shoemaker<br>Seed saving, whether performed by subsistence farmers, by breeders at land grant universities, or the seed industry, provide the world’s farmers with the needed supply of seeds to produce food crops annually. This thesis considers historical agricultural trends as they relate to the process of seed saving. It utilizes information gathered from primary source materials, historical monographs, and FAO and NGO publications. Chapter two discusses six universal agricultural dichotomies an

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33

Tang, Shih-Li. "Changes in soybean seed-filling period caused by moisture stress /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487844105976551.

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34

Gallagher, Robert Sean. "Ecophysiological aspects of phytochrome-mediated germination in soil seed banks /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487933648650464.

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35

Hicks, Molly. "Following the Seed: Investigating Seed Saving and Network Creation in the Appalachian Region of Southeastern Ohio." Antioch University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1576652669058997.

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36

Hagler, J. R. "Hybrid Onion Seed Trial, 1987." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/214155.

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Successful seed production of open pollinated onion (Allium cepa L.) is difficult in Arizona. Providing adequate pollen transfer by honey bees (Apis mellifera) to ensure adequate seed set is a problem often encountered. Honey bees discriminate between onion cultivars. Onion flowers appear to be less attractive to honey bees than flowers of most competing plants. Bees may neglect the crop, particularly if another highly attractive plant species is in bloom. This honey bee discrimination has led to poor onion seed yields. This report compares seed production among five onion cultivars in Tucson,

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Clark, Lee J., and Edith DeRosa. "Cotton Seed Treatment, Greenlee County, 1986." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/204519.

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Six different seed treatments and one in furrow granular treatment were used in a field with a history of black root rot, caused by Thielaviopsis basicola. The treatment was a follow-up on the study done the previous year (1). Stand counts, root lengths and seed cotton yields were taken to see if any of the treatments increased stand counts or stimulated root growth. Thielaviopsis was not isolated in the plants this year, so the effect of the fungicides on this pathogen were not evaluated. Stand counts were, however, significantly influenced by the seed treatments.

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Aung, Tin. "Effect of relative humidity on peanut (Arachis hypogaea L.) seed deterioration /." The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487687959966447.

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39

Swanepoel, Stefanie Rae. "Seed politics : an exploration of power narratives in the South African seed industry." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86352.

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Thesis (MPhil)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: This study (Seed politics: An exploration of power narratives in the South African seed industry) attempts to unravel the contradictory power relations shaping South Africa’s seed system and to explore spaces of system intervention that could allow alternate seed systems to emerge. As a base for the agricultural sector, the seed system plays an important role in determining the type, quality and cost of seed supplied to the country’s farmers. By extension then, it also partly determines the type, quality and, to som

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Tyler, Ray, Edith DeRosa, Lee J. Clark, and Mary Olsen. "Seed Treatment to Prevent Black Root Rot." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/219773.

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The 1985 and 1986 Cotton Reports have the same publication and P-Series numbers.<br>NU-Zone (imazalil) + Nu-Flow ND (TCMTB + Chloroneb), NU-Flow ND, and Vitavax (carboxin) were evaluated as seed treatments with and without in-furrow PCNB. The following was learned: - Vitavax-treated seed got out of the ground faster than the other treatments, which brings out the possibility that NU-Flow or NU-Zone slows germination. - Stands and root development were slightly better when NUZone was present. - NU-Zone + NU-Flow ND seed treatment is not totally effective in controlling black root rot in heavily

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Tshisola, Steve Ndondji. "Improved potato (Solanum tuberosum) seed production through aeroponics system." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86240.

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Thesis (MScAgric)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: The potato can be considered as one of the most important food crops in many African countries. The potential of this crop is reflected in the large increase in area of production where Africa showed the highest rate of growth within the developing world over the past twenty years. The multiplication rate of potatoes is very low compared to other crops. Therefore it is essential to investigate methods of increasing the number of minitubers produced from disease free in-vitro plantlets. There is a number of potato propagatio

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Peng, Chen, Adele Peters, Treva Wetherell, and Valerie Yep. "Seeds of Change : Using Urban Agriculture to Move a City Towards Sustainability." Thesis, Blekinge Tekniska Högskola, Avdelningen för maskinteknik, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2191.

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As the global sustainability challenge intensifies, food has emerged as a critical issue in sustainable development. Growing food within city limits, or urban agriculture (UA), is one way to help increase access to fresh, local, healthy food for everyone while simultaneously reducing environmental impacts. While UA is increasing on a global scale, it is not always being supported in a strategic manner. This thesis explores the opportunity of how UA can be supported to help move cities towards sustainability. Current UA practices were evaluated based on information from literature and interview

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Modi, Albert T. "Water status and metabolite changes during seed development and germination in soybean /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488191667183902.

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McNab, Philip R. ""Planting Wholesome Seeds"| Organic Farming and Community Supported Agriculture at Sweetwater Organic Community Farm." University of South Florida, 2013.

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Tickes, Barry R., and Michael Ottman. "Evaluation of Coated Alfalfa Seed." College of Agriculture, University of Arizona (Tucson, AZ), 1990. http://hdl.handle.net/10150/201034.

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A test was conducted to evaluate the effect of two seed treatments on seven varieties of alfalfa. The treatments included Rhizocote, Rhizocote plus Apron plus Rovral and untreated seed. Significantly fewer seedlings emerged for the coated than the uncoated seed when planted on a pound for pound basis. First cutting alfalfa yields were neither increased nor decreased as a result of the seed treatments.

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Ramirez, Herbert 1959. "Flower and seed size in barley (Hordeum vulgare L.)." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/291929.

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This study was designed to explore correlations between flower and seed characters and the relationship of flower and seed characters to yield. Thirty six lines selected from Composite Cross XXXII material were planted in a randomized block design with four replications. At anthesis, spikes from each plot were collected and fixed in 70% alcohol. At the same time, an equivalent spike was tagged to be harvested at maturity. Measurements of flower characters were made on the preserved spikes and seed. Length, width and weight were obtained on the mature spikes. Flower volume was calculated by mul

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Du, Randt Marius Louis. "The influence of nutrient solutions on growth, seed production and seed quality of broccoli (Brassica oleracea L. var. italica Plenck)." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6642.

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Thesis (MScAgric (Agronomy))--University of Stellenbosch, 2011.<br>Includes bibliography.<br>ENGLISH ABSTRACT: Little is known about the nutrient requirements of broccoli grown for seed production. During 2006 and 2007 broccoli were grown for seed production in sand bags in a net structure, using a drain to waste hydroponic system. The experimental design was a randomized complete block with seven treatments replicated in four blocks. In 2006 seven nutrient solution treatments were tested. The Standard solution based on Steiner’s universal solution was compared with different levels of N,

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Takahashi, J., and J. Kobriger Coons. "Lettuce Seed Development Following Brief Exposures to High Temperature." College of Agriculture, University of Arizona (Tucson, AZ), 1987. http://hdl.handle.net/10150/221433.

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Mnichowicz, P., J. Coons, and J. McGrady. "Stand Establishment of Lettuce Seed Produced in Different Seasons." College of Agriculture, University of Arizona (Tucson, AZ), 1991. http://hdl.handle.net/10150/221436.

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Lukach, Sarah Elizabeth. "Feasibility of business expansion in the seed industry." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35297.

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Abstract:

Master of Agribusiness<br>Department of Agricultural Economics<br>Allen M. Featherstone<br>The landscape of the United States seed industry has changed substantially over the last 100 years. In the mid-1930s, there were 115 active seed corn companies marketing seed in the United States. By the 1980s, there were 303 hybrid seed corn companies and in 2016 there were 140 active hybrid seed corn companies in the United States. As the seed industry continues to evolve, so will the logistics and methods of which seed is sold to farm customers. The purpose of this thesis is to analyze and det

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