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Dissertations / Theses on the topic 'Germination. Seeds'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Seyedhosseini, S. H. "Ion implantation of seeds." Thesis, University of Salford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358378.

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2

Haigh, Anthony Mark. "Why do tomato seeds prime?: physiological investigations into the control of tomato seed germination and priming." Australia : Macquarie University, 1988. http://hdl.handle.net/1959.14/35668.

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Thesis (PhD) -- Macquarie University, School of Biological Sciences, 1988.<br>Bibliography: leaves 112-121.<br>General introduction to seed priming -- Water relations of tomato seed germination -- Water relations to tomato seeds during priming -- Water relations of germinating primed tomato seeds -- Histological study of tomato seed germination and priming -- Endosperm weakening during germination and priming of tomato seeds -- General discussion -- References.<br>It is the aim of this thesis to examine hypotheses regarding the prevention of radicle emergence during priming and of the enhancem

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3

Mirdad, Zohair M. "The evaluation and improvement of seed quality and storage potential in cauliflower and cabbage seeds." Thesis, University of Aberdeen, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288381.

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This study aimed to improve seed quality in cauliflower and cabbage, firstly though the development of rapid methods for the evaluation of germination and seed storage potential using measurements of seed leachates conductivity and secondly, through the application of seed treatments both as pre-storage treatments and to improve germination under stress conditions. Significant negative correlations between germination and the conductivity of seed leachate were observed both when seed had high germinations after ageing and when a range of germinations resulted from either combinations of dead

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4

Shafer, Floyd L. (Floyd Lorenz). "Interaction of Microwaves and Germinating Seeds." Thesis, North Texas State University, 1987. https://digital.library.unt.edu/ark:/67531/metadc331641/.

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This investigation was concerned with determining the interaction of microwaves with germinating seeds. This study covers two different approaches. The preliminary efforts covered the response of germinating seeds to treatment by microwaves and heat. The second phase of the investigation used microwaves as a probe to determine some of the processes of early seed germination. The preliminary investigation measured the internal metabolic process by ATP production. Leakage of ions and organic material from germinating seeds indicated that membranes are a target of microwaves and heat. Electron p

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5

Paul, Nancy Elizabeth 1960. "EFFECTS OF PARENT PLANT NUTRITION AND TIME OF HARVEST ON GERMINATION CHARACTERISTICS OF TWO GRASS SPECIES (GERMINATION RATE, FERTILITY)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/276992.

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6

Khalif, Ahmed Sheikh Hassan. "GERMINATION RESPONSES OF SORGHUM VARIETIES (SORGHUM BICOLOR L. MOENCH) TO FUNGICIDE SEED TREATMENTS." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275262.

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7

Creath, Katherine. "Effects of musical sound on the germination of seeds." Diss., The University of Arizona, 2003. http://hdl.handle.net/10150/289873.

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A series of five experiments were performed to determine if musical sound had a different effect than non-musical sound on the germination of zucchini and okra seeds when compared to a control. Musical sound for this study was a collection of improvised works performed by R. Carlos Nakai and Paul Horn. Predominant instrumentation was different types of flute with some selections for soprano saxophone or bass voice. Non-musical sound was "pink" noise used to test loudspeakers. The first three experiments compared musical sound to a control. The last two experiments compared musical sound to non

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8

Field, Rachel. "Dormancy and germination in seeds of Corylus avellana L." Thesis, University of Sheffield, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343516.

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9

Tasaki, Hiromi. "Light Effect on Seed Chlorophyll Content and Germination Performance of Tomato and Muskmelon Seeds." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/43868.

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The stage of maturity of seeds at harvest is an important factor that determines seed vigor. Separating seeds from a seed lot composed of many different stages of development can be difficult especially after maximum dry mass is attained. Separating seeds based on their physiological maturity is more challenging than sorting seeds based on their physical properties. Seeds may be non-destructively sorted using chlorophyll fluorescence (CF) as a marker of seed maturity. This study was conducted to test whether CF could be used to remove low vigor immature seeds from muskmelon (Cucumis melo L.'To

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10

Shafiq-ur-Rehman. "Physiological responses of acacia seeds to salt stress." Thesis, Coventry University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363856.

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11

Konesky, David William. "Embryo-independent mobilization of endosperm starch in cereal seeds." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29984.

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Endosperm mobilization studies in cereal seeds are typically based on the view that α-amylase synthesis in the aleurone tissue is controlled by gibberellins from the germinating embryo. However, α-amylase is often produced by de-embryonated endosperm segments in the absence of added gibberellins. Two specific systems exhibiting this phenomenon were examined; 1) the ability of amino acids to promote α-amylase production in de-embryonated wild oat segments and, 2) autonomous starch hydrolysis (in the absense of exogenous GA₃ or amino acids) in de-embryonated barley endosperm halves. Specific te

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12

Soltani, Ali. "Improvement of seed germination of Fagus orientalis Lipsky /." Umeå : Dept. of Silviculture, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/s275.pdf.

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13

Larner, Victoria Susan. "Characterisation of the COMATOSE locus that regulates germination potential in Arabidopsis thaliana." Thesis, University of Bristol, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369795.

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14

Dutt, Manjul. "USING SEQUENTIAL IMAGERY TO EVALUATE ASPECTS OF SEED VIGOR AND GERMINATION." UKnowledge, 2005. http://uknowledge.uky.edu/gradschool_theses/410.

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A sequential imaging system using a flat bed scanner interfaced to a personal computer was developed to study seed germination and vigor. The utility of the system was demonstrated in studies relating aspects of seed vigor in impatiens seed lots and for dormancy release in two woody perennials. Impatiens seed lots were kept in storage for 6 months to obtain a range in vigor levels. The ability to see differences at the individual seed level was possible because of the development of the sequential imaging system. It was observed that seeds deteriorated both under optimum 4OC as well as 25OC st

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15

Broadhurst, T. P. "Studies of enzyme induction in rape (Brassica napus) seeds." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377248.

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16

Dyson, Thomas L. "Respiration during development and germination of muskmelon seeds (Cucumis melo L.)." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09192009-040509/.

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17

Da, Cruz Marcos. "Studies on the germination and physical properties of Guayule (Parthenium argentatum Gray) seed /." [St. Lucia, Qld.], 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16755.pdf.

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18

Bailey, Paul Charles. "A molecular study of dormancy-breaking in seeds of Trollius ledebouri." Thesis, University of Nottingham, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260658.

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19

Gaudreault, Mélanie. "Amorçage et séparation des graines d'épinette noire (Picea mariana (Mill.) B.S.P.) : amélioration de la germination des lots de semences forestières /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2005. http://theses.uqac.ca.

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20

Al-Kaisey, Mahdi Thumad. "Structural studies of the polysaccharides of lupin seeds in relation to germination." Thesis, University of Aberdeen, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292380.

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Polysaccharides have been isolated from the flours of the ungerminated seeds of the lupins, <i>Lupinus angustifolius, L. albus, L. luteus</i> and <i>L. mutabilis,</i> and also from germinated seeds of the first two. Starch was absent from the seeds and L-arabinose and D-galactose were the most abundant sugar residues in the polysaccharides. The ratios of the former to the latter ranged from 22--48 to 100.The types of polysaccharides present, and their structural features, were established by methylation analysis and related analytical techniques. There were:- (i) a (1-> 4)-linked D-galactopyra

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21

Lam, Wing-yee Vicky, and 林詠怡. "Seed storage behaviour and germination characteristics of trees and shrubs of Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31222870.

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22

Liu, Yinggao. "Molecular signaling in the seed dormancy release and germination in arabidopsis." HKBU Institutional Repository, 2009. http://repository.hkbu.edu.hk/etd_ra/1096.

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23

Hovatter, Stephanie R. "THE EFFECTS OF BIOTIC AND ABIOTIC SOIL CHARACTERISTICS ON POPULATION SIZE VARIATION OF LOBELIA SIPHILICITA." Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1228160953.

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24

Stutchbury, P. A. "The regulation of seed dormancy in the genus Acer." Thesis, University of Bristol, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379534.

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25

Chanon, Ann Marie. "Studies on the reproductive capacity of Aesculus parviflora and Aesculus pavia opportunities for their improvement through interspecific hybridization /." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1118692145.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xx, 305 p.; also includes graphics. Includes bibliographical references (p. 278-305). Available online via OhioLINK's ETD Center

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26

Hilli, A. (Anu). "The effect of crop quality and pre-treatment on germination in Scots pine and Norway spruce seeds." Doctoral thesis, University of Oulu, 2009. http://urn.fi/urn:isbn:9789514290121.

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Abstract Weather conditions during the growing season are determining the size and quality of the Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) Karst.) seed crop in northern areas. Pathogens, fungi, and insects also have an effect on seed crops. The varying quality of seeds from forest stands and seed orchards does not full fill the germination requirements of tree nurseries. Multi-phase pre-treatment are therefore used in forest tree seed centres to improve seed lots quality. The main objectives of this study were to analyse long-term variation in the size and quality

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27

Davis, Jennifer Lynn Roll. "Effect of ethylene sensitivity on development and germination of Petunia x hybrida seeds." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0012020.

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28

Newton, Rosemary Jean. "Development, dormancy, germination and ex-situ survival of seeds of selected Amaryllidaceae species." Thesis, University of Reading, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.567701.

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Seed development, dormancy, germination, desiccation tolerance and survival ex-situ were studied in selected members of the Amaryllidaceae following reports of poor seed germination and storability. Seed dry weight accumulation of temperate woodland European Galanthus nivalis L. and Narcissus pseudonarcissus L. continued until seed dispersal with no subsequent maturation drying phase. Seeds shed at high moisture contents (> 60% FWB). In both species, the ability of seeds to germinate developed before the ability to tolerate desiccation; the latter was not acquired in some seeds at dispersal. E

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29

Xu, Minwei. "Improvement of the Physicochemical Attributes and Antioxidants Profiles from Pulse Seeds through Germination." Diss., North Dakota State University, 2019. https://hdl.handle.net/10365/31344.

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Edible pulse seeds are good sources of food ingredients. Germination has been regarded as an effective process to further improve nutrient digestibility and accessibility of pulse seeds. Our aim was to observe the effect of germination on proximate composition, physicochemical attributes, and phenolic profiles of chickpea (Cicer arietinum L.), lentil (Lens culinaris Merr.), and yellow pea (Pisum sativum L.). In addition, mechanisms of how germination affects the antioxidant activity of phenolic compounds were proposed. Chemical composition, thermal, pasting, and moisture adsorption properties

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30

Minnaar, Hugo Roelof. "A study of germination and flowering in Cichorium intybus. L." Thesis, Rhodes University, 1985. http://hdl.handle.net/10962/d1002027.

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Chicory (Cichorium intybus L) is a deep rooted biennial (or weakly perennial) composite that is grown as an annual in South Africa for its parsnip-like root. In its wild state the plant is a perennial with thin fibrous roots, but, through selection and propagation, cultivars with large, fleshy roots have been developed. From a purely horticultural standpoint, chicory is of interest as a pot-herb, a salad plant and as a root (Bailey, 1942) . As a root, the chicory plant represents an important article of commerce. In South Africa, the plants are grown virtually exclusively for their roots which

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31

De, Villiers Rykie (Rykie Jacoba). "The influence of chemical seed treatment on germination, seedling survival and yield of canola." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50163.

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Thesis (MScAgric)--University of Stellenbosch, 2004.<br>ENGLISH ABSTRACT: The influence of chemical seed treatments on the germination, seedling survival and yield of canola (cv. Varola 44) was investigated in a series of incubation studies, glasshouse experiments, as well as field trials in the canola producing areas in the Western Cape Province. Incubation experiments were conducted to compare germination and seedling growth of untreated (control) seed with that of seed treated at different application rates (0.5, 1.0 and 2.0 times the recommended) of Cruiser® and SA-combination (whi

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32

Robinson, David Lowell 1955. "RECURRENT SELECTION FOR GERMINATION SALT TOLERANCE IN ALFALFA (SALINITY, FORAGES, BREEDING)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/277015.

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33

Puwastien, P. "Effects of blanching, soaking and germination on the properties of ? winged bean seeds [Psophocarpus tetragonolobus (L.) DC]." Thesis, University of Reading, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.353475.

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34

Eldredge, Sean D. "Beneficial fungal interactions resulting in accelerated germination of Astragalus utahensis, a hard-deeded legume /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd2206.pdf.

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35

Allison, Edwin. "Effects of seed adjuvants on germination and development of onions." Thesis, Cape Technikon, 2001. http://hdl.handle.net/20.500.11838/2000.

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Thesis (MTech (Agriculture))--Cape Technikon, 2001.<br>Onion seeds (cultivar Caledon Globe), and soil into which the seedlings were planted, were treated with various adjuvants including fungicides, a seed disinfectant and a soil sterilant, as well as soil-applied growth stimulants to determine the effect of these on germination of seed, the growth of plants and the storage life of onions obtained. Three sets of germination trials were undertaken in petri dishes, and sets of seed was also sown in deep seed trays. A trial planting was made and the crop graded and stored. Seed was also sow

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36

Teaster, Neal D. Chapman Kent Dean. "A regulatory role for N-acylethanolamine metabolism in Arabidopsis thaliana seeds and seedlings." [Denton, Tex.] : University of North Texas, 2009. http://digital.library.unt.edu/permalink/meta-dc-10978.

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37

Handley, Richard John. "Determinants of rarity in a dioecious annual macrophyte, Najas marina L." Thesis, University of East Anglia, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327542.

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38

Ranwala, Sudheera Manorama Wadisinha. "Aspects of growth dynamics of bilberry/blaeberry (Vaccinium myrtillus L.)." Thesis, University of Aberdeen, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369531.

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In Scotland, bilberry is well known as a member of the dwarf shrub community on moorlands, which provide valuable habitats for wildlife. Recently it has been envisaged that bilberry populations could play an important role in improving the dwarf shrub vegetation in degraded moorland areas. This study was therefore undertaken to investigate the above-ground growth dynamics of bilberry with emphasis on responses to grazing by sheep and seedling establishment. The leaf production of bilberry was increased by higher nitrogen availability. High nitrogen supply also led to greater activation of dorm

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39

Torres, GonzaÌlez Alba Marina. "Development, storage and germination of seeds of tropical fleshy-fruited species of South America." Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434338.

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40

Araujo, Marcelo do Nascimento. "Physiological aspects of germination and storage of Amburana cearensis (Allem?o) A.C.Sm (Fabaceae) seeds." Universidade Estadual de Feira de Santana, 2017. http://localhost:8080/tede/handle/tede/472.

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Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2017-07-12T01:06:09Z No. of bitstreams: 1 TESE VERS?O FINAL MARCELO ARAUJO (1).pdf: 2342837 bytes, checksum: 363174d9d071939d3ad3c4f66b795b8a (MD5)<br>Made available in DSpace on 2017-07-12T01:06:09Z (GMT). No. of bitstreams: 1 TESE VERS?O FINAL MARCELO ARAUJO (1).pdf: 2342837 bytes, checksum: 363174d9d071939d3ad3c4f66b795b8a (MD5) Previous issue date: 2017-02-10<br>Funda??o de Amparo ? Pesquisa do Estado da Bahia - FAPEB<br>Amburana cearensis (Allem?o) A.C.Sm. is native tree of Brazil adapted at semi-arid habitats.

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41

Stendahl, Fredrik. "Seed coating for delayed germination : a tool for relay cropping of annual crops /." Uppsala : Department of Ecology and Crop Production Science, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/9884068.pdf.

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42

Poteet, David Charles 1953. "Biochemical and physiological adaptations of alfalfa to germination stresses imposed by sodium-chloride." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277063.

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Nine cycles of recurrent selection for germination salt tolerance in alfalfa (Medicago sativa L.) were compared with their parental cultivar, 'Mesa-Sirsa'. Test seeds were produced in the same season and locale. Cycle 9 and Mesa-Sirsa showed 90% and 2.5% germination, respectively, in a -1.7 MPa NaCl medium. Cycle 8 germinated more vigorously compared to Mesa-Sirsa in stressed and non-stressed environments. Selection also enhanced germination speed and radicle length. Fresh seed and one year old seed showed similar percent germination. Scarification decreased germination in a saline solution. M

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43

Melo, Lilian Faria de. "Etapas do beneficiamento na qualidade física, fisiológica e sanitária de sementes de capim-colonião /." Jaboticabal, 2016. http://hdl.handle.net/11449/142840.

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Orientador: Cibele Chalita Martins<br>Banca: Rouverson Pereira da Silva<br>Banca: Rita de Cássia Panizzi<br>Banca: Nilvanira Donizete Tebaldi<br>Banca: Marco Eustáqui de Sá<br>Resumo: As sementes de gramíneas forrageiras recebidas pelas empresas após a colheita contêm impurezas cuja remoção é realizada por máquinas de beneficiamento. Este procedimento é necessário para a obtenção de sementes dentro dos padrões de qualidade para a comercialização e a semeadura. O objetivo deste trabalho foi avaliar o efeito das etapas de beneficiamento na qualidade física, fisiológica e sanitária de sementes de

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44

Sharma, Jyotsna. "Mycobionts, germination, and conservation genetics of federally threatened Platanthera praeclara (Orchidaceae) /." free to MU campus, to others for purchase, 2002. http://wwwlib.umi.com/cr/mo/fullcit?p3060142.

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45

陳慶讓 and Hing-yeung Chan. "Structural and cytochemical studies on the scutellum and aleuronecellsof oat seeds before and after germination." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1985. http://hub.hku.hk/bib/B31207522.

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46

Ramirez, Rosales Gerardo. "Carotenoid and Fruit Development Effects on Germination and Vigor of Tomato (Lycopersicon esculentum Mill.) Seeds." Connect to this title online, 2002. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1038949740.

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Thesis (Ph. D)--Ohio State University, 2002.<br>Title from first page of PDF file. Document formatted into pages; contains xiii, 135 p.: ill. (some col). Includes abstract and vita. Advisors: Mark A. Bennett, Miller B. McDonald, Dept. of Horticultural and Crop Science. Includes bibliographical references (p. 124-132).

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47

Nebert, Lucas. "On Germs and Germination: Uncovering the Hidden Ecology of Seedborne Bacteria and Fungi in Open-Pollinated Maize." Thesis, University of Oregon, 2018. http://hdl.handle.net/1794/23909.

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Plants are inhabited by diverse species of bacteria and fungi, which affect plant health and fitness. Endophytes are bacteria or fungi that live within plant host tissues without causing symptoms of disease, and mediate important plant traits in agriculture, such as nutrient acquisition, disease resistance, and abiotic stress tolerance. However, we know little about the general ecology of endophytes, including which factors determine their compositions within plants. Seedborne transmission may represent an important source of bacterial and fungal endophytes, which can significantly impact the

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48

Lindgren, Ove. "Carotenoid biosynthesis in seed of Arabidopsis thaliana /." Uppsala : Dept. of Plant Biology and Forest Genetics, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a431.pdf.

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49

Iossi, Emerson. "Morfologia e germinação de sementes de tamareira-anã (Phoenix roebelenii O'Brien) /." Jaboticabal : [s.n.], 2002. http://hdl.handle.net/11449/96981.

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Resumo: Phoenix roebelenii é uma palmeira com pequeno porte, com desenvolvimento a pleno sol e boa adaptabilidade às condições climáticas brasileiras, fatores que a tornam muito procurada. É uma espécie originária das regiões do norte do Laos e do Vietnã, e do sudoeste da China. Sementes de frutos recém colhidos e secas durante um dia foram utilizadas para o levantamento dos dados biométricos e semeadas em bandejas contendo Sphagnum sp. Algumas plântulas foram fotografadas e esquematizadas, representando as etapas do processo germinativo. A germinação de sementes de P. roebelenii é do tipo rem

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50

Liu, Rui. "Regulation and molecular signaling during seed germination and seedling establishment of arabidopsis in response to abiotic stresses." HKBU Institutional Repository, 2013. https://repository.hkbu.edu.hk/etd_oa/101.

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Plants regulate many physiological processes in response to adverse environmental stresses. This study focused on the seed germination and seedling establishment stage and investigated the molecular signaling events when abiotic stresses, such as osmotic, water and temperature, were applied. Seeds of Arabidopsis, mutants or wild type, were used to identify the signaling components. Cold-pretreatment (stratification) is widely used to break seed dormancy and improve germination rate. Stratification at 4. significantly broke the seed dormancy of Arabidopsis in wild-type, cyp707a2, sleepy1 and sl

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