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Tesi sul tema "Seed production"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Siddique, Abu Bakar. "Effects of seed production environment and post harvest management on seed production, viability and vigour of seeds of pea and flax." Thesis, Bangor University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369444.

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2

MARIN, MARIA. "Improving seed quality in large-scale production of native seed." Doctoral thesis, Università degli studi di Pavia, 2017. http://hdl.handle.net/11571/1214854.

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The use of native species has been increasingly advocated to achieve the sustainable recovery of degraded areas and in Europe considerable effort has also been invested into grassland restoration using such species. However, little attention has been paid to the evaluation and significance of aspects of the seed quality of native species, which may have implications for the success of these projects. The current research examined three aspects of seed quality in the context of commercial seed production and the use of seed in the restoration of vegetation. Firstly, the effect of plant and seed

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3

Goszka, Abigail R. "Seed Production and Seed Quality in Red Maple (Acer rubrum L.)." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1564752025178858.

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4

Altıok, Evren Ülkü Semra. "Production of proanthocyanidins from grape seed/." [s.l.]: [s.n.], 2003. http://library.iyte.edu.tr/tezler/master/biyoteknoloji/T000247.rar.

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5

Loeppky, Heather Ann. "Flowering and seed production in meadow bromegrass." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ43515.pdf.

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6

Van, Hest Petrus A. A. M. "Production of potatoes through true botanic seed." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295248.

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7

Zanakis, George N. "Changes in seed quality of soyabean (Glycine max) during seed production and storage." Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316161.

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8

Ottman, Michael. "Growing Alfalfa Seed in Arizona." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/146965.

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3 pp.<br>Due to worldwide shortages of non-dormant alfalfa seed, production opportunities and acreage have increased recently in Central Arizona. Seed production for profitability is challenging. Cultural practices differ from those commonly used in forage production. This article outlines management recommendations that may help to accomplish profitable seed alfalfa yields.

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9

Lucas, Nicholas. "Factors influencing seed production and seed storage in watercress (Rorippa nasturtium-aquaticum L. Hayek)." Thesis, University of Reading, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292499.

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10

Zhou, Dongfang. "Seed Germination Performance and Seed Coat Mucilage Production of Sweet Basil (Ocimum basilicum L.)." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/49553.

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Sweet basil (Ocimum basilicum L.) is a warm season herb usually propagated from seeds. Establishment of basil is difficult as seed germination may be limited, particularly during field seeding at cold soil temperatures. The germination of six cultivars (\'Italian Large Leaf\', \'Italian Large Leaf\' 35X, \'Nufar\', \'Genovese\', \'Genovese Compact Improved\' and \'Aroma 2\') of sweet basil seeds were tested on a one dimensional thermo-gradient table over temperatures ranging from 0 to 50"C. At temperatures below 20"C, germination among cultivars was more variable and the mean time to germinati

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11

Prescher, Finnvid. "Seed orchards - genetic considerations on function, management and seed procurement /." Umeå : Dept. of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200775.pdf.

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12

Chorney, Brenda. "Manitoba seed production, an econometric analysis of value added." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ62708.pdf.

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13

Benzel, Katie Rebecca. "Defoliation effects on Spotted Knapweed seed production and viability." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/benzel/BenzelK0508.pdf.

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Spotted knapweed (Centaurea stoebe L.) is a deeply taprooted perennial forb infesting millions of hectares of rangeland in western North America. Spotted knapweed forms large monocultures, which lowers plant diversity, reduces livestock and wildlife forage, and increases surface water runoff and sediment yield. It can produce 5,000-40,000 seeds m-2 year-1, and often produces new flowers after prescribed sheep grazing or mowing defoliates spotted knapweed plants during the bolting or flowering stage. Research has yet to determine if new flowers produced following spring/summer defoliation prod

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14

Nyarko, George. "Flowering and seed production of cabbage for the tropics." Thesis, Nottingham Trent University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444651.

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15

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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16

Landeen, Melissa L. "Mountain Big Sagebrush (Artemisia tridentata ssp vaseyana) Seed Production." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5740.

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Big sagebrush (Artemisia tridentata Nutt.) is the most widespread and common shrub in the sagebrush biome of western North America. Of the three most common subspecies of big sagebrush (Artemisia tridentata), mountain big sagebrush (ssp. vaseyana; MBS) is the most resilient to disturbance, but still requires favorable climactic conditions and a viable post-fire seedbank for successful unassisted recovery. This study was designed to assess MBS seed production throughout post-fire recovery. We performed 2 pilot studies to develop methods for estimating seed production and plant age. The results

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17

Leclerc, Yves. "The production and utilization of potato microtubers." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41512.

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A protocol is presented for the rapid (28 days) induction of microtubers on micropropagated layered potato plantlets of 'Kennebec', 'Russet Burbank' and 'Superior' in medium devoid of growth regulators. With this method the addition of coumarin, 6-(2-chloroethyl)-trimethylammonium chloride and 6-benzylamino-purine to the microtuberization medium either had no effect or significantly reduced microtuber weight per plantlet. Increasing the incubation period from 28 to 56 days significantly increased the weight of microtubers per plantlet and the proportion of microtubers heavier than 1 gram. Incr

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18

Baloyi, Rebecca Tshilambilu. "Technical efficiency in maize production by small-scale farmers in Ga-Mothiba, Limpopo Province, South Africa." Thesis, University of Limpopo, 2011. http://hdl.handle.net/10386/1419.

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Thesis (M.Agric. (Agricultural Economics)) -- University of Limpopo<br>Maize is the most important cereal crop grown in South Africa. This crop is produced throughout the country under diverse environments. The study only focuses on the technical efficiency because it is an important subject in developing agriculture where resources are limited, but high population growth is very common. Technical efficiency is the ability of a farmer to obtain output from a given set of physical inputs. Farmers have a tendency of under and/or overutilising the factors of production. The main aim of this

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19

Murphy, Carrie June. "Greenhouse production of microgreens growth media, fertilization and seed treatments /." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 0.32 Mb., 89 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:1435839.

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20

Wiese, Jessica Linsay. "Establishment and seed production of native forbs used in restoration." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/wiese/WieseJ0809.pdf.

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The importance of incorporating native wildflowers into seed mixtures for disturbed land revegetation projects is widely known and accepted. However, further assessment of weed management approaches is a necessary step to successfully establish and produce native wildflower seed. We examined the impact of pre and post-emergence herbicides alone and in combination with hand weeding on 5 wildflower species [slender white prairie clover (Dalea candida(Michx). ex Willd), blanketflower (Gaillardia aristata Pursh), fuzzy tongue penstemon (Penstemon eriantherus Pursh var. eriantherus), silverleaf pha

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21

McClain, William Edward. "Phosphorus nutrition in tall fescue from stockpiling to seed production /." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/4870.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on September 28, 2007) Vita. Includes bibliographical references.

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22

Vasquez, Castillo Wilson Arturo. "Seed production, dormancy and commercialisation of Solanum phureja in Ecuador." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415897.

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23

Yousuf, Rawa. "Novel polyhydroxybutyrate (PHB) production using a waste date seed feedstock." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/novel-polyhydroxybutyrate-phb-production-using-a-waste-date-seed-feedstock(70246fcd-0c95-4a31-a0be-0d337c22aefe).html.

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Polyhydroxybutyrate (PHB) is a biodegradable, linear polyester that has potential as a promising alternative to petrochemical derived plastics as it possesses the same properties as several current and widely used synthetic, non-biodegradable petrochemical-based plastics. PHB is a natural polyester which is accumulated by many bacteria as an intracellular store of energy and carbon, under stress conditions; limited in one or more essential nutrient, with the carbon source in excess. Currently the PHB production cost is far greater than that of petroleum based plastics. Recent research, therefo

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24

Muyekho, Francis Jacob Namasake. "Environmental and agronomic factors affecting seed production in annual medics." Thesis, Adelaide Thesis (Ph.D.)--University of Adelaide, Department of Plant Science, 1993. http://hdl.handle.net/2440/21661.

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25

Muyekho, Francis Jacob Namasake. "Environmental and agronomic factors affecting seed production in annual medics." Adelaide Thesis (Ph.D.)--University of Adelaide, Department of Plant Science, 1993. http://hdl.handle.net/2440/21661.

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26

Loveday, Rachel Ellen Leonard. "Influence of Seed Treatment on Tobacco Mosaic Virus Incidence in Tobacco Seedlings and Virus Distribution in Greenhouse Transplant Production." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/31396.

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Tobacco mosaic virus (TMV) is an economically important pathogen that has been studied for over one hundred years. Seedlings, seed coats, and nutrient solution were assayed for the presence of the virus and seed treatments were tested on seeds. Double antibody sandwich enzyme-linked immunosorbent assay (DAS ELISA) and biological local lesion assay data were collected. Seed coats from seed collected from TMV infected plants were always positive for TMV regardless of chemical treatment. Seed from infected source plants have lower germination than seed from healthy plants. Trisodium phosphat

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27

Biswas, Indrajit. "Standardization of seed production technique of muga silkworm (Antheraca assama westwood) in Terai Region of West Bengal." Thesis, University of North Bengal, 2008. http://hdl.handle.net/123456789/1346.

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28

Haring, Steven C. "Harvest Weed Seed Control: An Integrated Weed Management Strategy for Organic and Conventional Production Systems." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/78827.

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Harvest weed seed controls (HWSC) destroy weed seeds that are retained by the plant at crop harvest, which would typically be spread by the harvester along with other field residues. HWSC exploits coincidental maturity between crops and weeds, so an experiment was designed to collect weed seeds as they shatter throughout the growing season and through a simulated harvest delay. This experiment monitored four economically important broadleaf species and two grass species in a soybean (Glycine max (L.) Merr.) field. Results indicated that broadleaf species shattered seed at rates accelerating th

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29

Kornacki, Catherine. "MANIPULATING OIL SEED BIOCHEMISTRY TO ENHANCE THE PRODUCTION OF ACETYL-TAGS." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/35753.

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Master of Science<br>Biochemistry and Molecular Biophysics Interdepartmental Program<br>Timothy P. Durrett<br>Using vegetable oils directly as an alternative biofuel presents several problems as such oils typically possess poor fuel qualities including high viscosity, low volatility, and poor cold temperature properties. The ornamental shrub Euonymus alatus produces unusual acetyl-1,2-diacyl-sn-glycerols (acetyl-TAGs) that have an acetyl group in the sn-3 position instead of a long chain fatty acid. The presence of this sn-3 acetyl-group give acetyl-TAGs properties desirable for biofuels, such

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30

Settipalli, Satyaprakash R. "Synthetic seed production for germplasm storage of Hydrastis canadensis L. (goldenseal)." Morgantown, W. Va. : [West Virginia University Libraries], 2007. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5530.

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Thesis (M.S.)--West Virginia University, 2007.<br>Title from document title page. Document formatted into pages; contains vii, 48 p. : col. ill. Includes abstract. Includes bibliographical references (p. 40-42).

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31

Settle, Thomas A. "Tall fescue seed production alley cropped in a hardwood tree plantation." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/5088.

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Thesis (M.S.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 3, 2008) Includes bibliographical references.

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32

Rojas, Jose Santos. "Production and post-harvest technology for hybrid true potato seed (TPS)." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363810.

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33

Tacarindua, Custodio Ramos Paulo. "Effects of Increased Temperature on Growth and Seed Production of Soybean." Kyoto University, 2013. http://hdl.handle.net/2433/180632.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第17964号<br>農博第2032号<br>新制||農||1019(附属図書館)<br>学位論文||H25||N4808(農学部図書室)<br>30794<br>京都大学大学院農学研究科農学専攻<br>(主査)教授白岩立彦, 教授奥本裕, 教授稲村達也<br>学位規則第4条第1項該当

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34

Mukassabi, Tarek A. "Scots pine (Pinus sylvestris L.) seed production at Wybunbury Moss, Cheshire and factors affecting seed germination and early establishment." Thesis, Keele University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.572460.

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Scots pine (Pin us sylvestris) growing at Wybunbury Moss, Cheshire on a small floating bog (Schwingmoor) some 400 km south of its current native limit was studied. Seed production of trees that have been growing on the site for several centuries, and the . susceptibility of seed and seedlings to waterlogging were investigated. Cones matured between September and March and seed shedding began in early April. A strong relationship was found between tree size and seed production which allowed the prediction ,,"A "'~'J' .A- of annual seed production. One hectare of woodland surrounding the central

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35

Nelson, Ryan Lee. "Small Burnet (Sanguisorba minor Scop.) Response to Herbicides Applied Postemergence." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1479.

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Small burnet (Sanguisorba minor scop.) Is a hardy, relatively long lived evergreen forb native to Eurasia that has potential to improve grazinglands and extend grazing into late fall and winter. Trials evaluating small burnet tolerance to spring and fall postemergence herbicide applications were conducted at the Utah State University Evans farm in Millville, UT. Two small burnet genotypes were grown in a randomized complete block design with a split-plot arrangement. Twelve treatments, clethodim, clopyralid, imazamox, 2,4DB, metribuzin, aminopyralid, pendimethalin, dimethenamid-P, bromoxynil,

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36

Shakya, J. D. "The production of potatoes from true potato seed by transplanting or field sowing." Thesis, University of Reading, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354099.

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37

Kawasaki, Yukie. "Scalable Bio-Production of High Value Products in Bacteria." DigitalCommons@USU, 2015. https://digitalcommons.usu.edu/etd/4609.

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Biliverdin IXα is a green bile pigment produced by enzymatic cleavage of a tetrapyrrole ring of heme by heme oxygenase. While biliverdin IXα is emerging as an effective cytoprotectant, the conventional method for producing biliverdin IXα by chemical conversion of animal bile is not suitable for large scale production. A novel scalable production method was pursued via bacterial fermentation. Recombinant Escherichia coli strains were obtained by sequence optimization and plasmid transformation of a cyanobacterial heme oxygenase gene. Further strain development was done by plasmid overexpression

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38

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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39

Beam, Shawn Christopher. "Evaluation of integrated weed management techniques and their nuances in Virginia crop production." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/95248.

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Herbicide resistant weeds are driving implementation of integrated weed management (IWM). A new tactic to manage weeds is harvest weed seed control (HWSC), which targets weed seeds retained on the plant at crop harvest and either destroys, removes, or concentrates them. Research is limited on the effectiveness of HWSC in US cropping systems. For HWSC to be effective it is important to know when and how many seed are shed from a weed species in relation to crop harvest. Research was conducted to quantify when weed seed are shattered from 6 economically important weed species, four broadleaf

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40

Gray, David. "Studies on seed quality and plant establishment in relation to crop production." Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/28147.

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41

Madafiglio, Gregory Peter, University of Western Sydney, of Science Technology and Environment College, and School of Environment and Agriculture. "Population management of Raphanus raphanistrum L. (wild radish) by regulating seed production." THESIS_CSTE_CIT_Madafiglio_G.xml, 2002. http://handle.uws.edu.au:8081/1959.7/339.

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Raphanus raphanistrum L. (wild radish) is a widespread and economically problematic weed of winter crops including wheat (Triticum aestivum L.) in southern Australia. Management of the weed is achieved by a range of non-chemical and chemical techniques. Current management is failing to contain the weed, which is increasing in abundance and distribution. The characteristics of staggered recruitment, dormancy, rapid growth, competitive ability and high levels of seed production contribute to its persistence. The literature review concludes that weeds formed the basis for perpetuation of R. rapha

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42

Seyed, Mahmoud Soheil. "Production of recombinant carp growth hormone in the seed of Brassica napus." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0004/NQ38503.pdf.

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43

Ruark, Sarah Johnson. "Evaluation of Biological and Other Novel Seed Treatments for Organic Peanut Production." NCSU, 2008. http://www.lib.ncsu.edu/theses/available/etd-10312008-133746/.

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Poor stands are a constraint on organic peanut production because stand losses of 50% or more are possible with untreated seed. Biological, other novel seed treatments, and soil amendments were tested for efficacy against pre- and post-emergence damping-off in greenhouse, microplot, and field plot trials. Seed of the lines Perry, GP-NC 343, and N03081T were utilized in all trials. Nine treatments were tested in natural soil in the greenhouse. Treatments included Bacillus subtilis (Kodiak), B. pumilus (Yield Shield), Trichoderma harzianum (T-22 PB and Plantshield HC), Muscodor albus, Coniothyri

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44

Kaeb, Benjamin Carl. "Management of grape colaspis, Colaspis brunnea (Coleoptera: Chrysomelidae), in seed corn production." [Ames, Iowa : Iowa State University], 2006.

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45

Stepanonytė, Dovilė. "Investigation of rape seed oil methyl ester production and by-product utilization." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2007. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2007~D_20070629.150117-86007.

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The problems of rape seed methyl ester (RME) production process by-products utilization were analyzed, statistical data for the capacities of biodiesel production and by-products generation were presented, the prospects of biodiesel production expansion, properties and environmental impact, main production technologies, Lithuanian and foreign countries experience were described, the main aims and tasks of work were defined. The investigation of glycerol – major by-product of RME production process – utilization was accomplished. One of the new possible utilization methods was researched, when

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46

Najamussahar. "Seed production and storage of pea (Pisum sativum L.) for improved quality." Thesis, Bangor University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298635.

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47

Al-Soqeer, Abdulrahman A. "The potential of seed soaking in sorghum (Sorghum bicolor L. Moench) production." Thesis, University of Nottingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408443.

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48

Osenga, Joseph John. "Use of seed treatments and inoculants in no-tillage soybean production practices." [Ames, Iowa : Iowa State University], 2009.

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49

Madafiglio, Gregory Peter. "Population management of Raphanus raphanistrum L. (wild radish) by regulating seed production." Thesis, View thesis View thesis, 2002. http://handle.uws.edu.au:8081/1959.7/339.

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Raphanus raphanistrum L. (wild radish) is a widespread and economically problematic weed of winter crops including wheat (Triticum aestivum L.) in southern Australia. Management of the weed is achieved by a range of non-chemical and chemical techniques. Current management is failing to contain the weed, which is increasing in abundance and distribution. The characteristics of staggered recruitment, dormancy, rapid growth, competitive ability and high levels of seed production contribute to its persistence. The literature review concludes that weeds formed the basis for perpetuation of R. rapha

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Madafiglio, Gregory Peter. "Population management of Raphanus raphanistrum L. (wild radish) by regulating seed production /." View thesis View thesis, 2002. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030403.112142/index.html.

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Abstract (sommario):

Thesis (Ph.D.) -- University of Western Sydney, 2002.<br>"A thesis submitted for the degree of Doctor of Philosophy (Ph.D.) in the Centre for Landscape and Ecosystems Management, University of Western Sydney ... May 2002" Includes bibliography (leaves 159-177) and other bibliographical references.

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