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Dissertations / Theses on the topic 'Cross pollination'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Kaiser, Monica L. Ms. "Cross Pollination." Kent State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=kent1585150670540384.

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2

Robinson, Chelseigh. "Music and Art: Exploring Cross-Pollination." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/honors/115.

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As a music student who was always more attracted to the “academic” side of music rather than the performance side, I have come to hold a great respect for music history. This interest only grew when I got the opportunity to study music for a semester in Edinburgh, Scotland. Being surrounded by so much history, both musical and artistic, only fed my passion. I began to notice many similarities between the development of music and art both during lectures at the university and in my leisure time in galleries. I noticed that composers and visual artists in the same time period would hold similar

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3

Halgryn, Petrus J. (Petrus Johannes). "Cross pollination biology of apples, with special reference to 'African Red'." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51667.

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Thesis (MScAgric)--University of Stellenbosch, 2000.<br>ENGLISH ABSTRACT: Ineffective pollination of the main cultivar with the pollinator cultivar is due to either an incompatibility problem between the main and pollinator cultivar, or because the flowering times of the main and pollinator cultivars do not overlap adequately. Three trials were conducted to try and find a more effective way to determine cultivar compatibility and to group cultivars together according to their budburst reaction to chilling. Most apple cultivars are self-incompatible and need cross-pollination for fruit s

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4

Njontie, Tchiengue Charles William [Verfasser]. "Genetically modified maize : factors affecting cross-pollination and coexistence / Charles William Njontie Tchiengue." Kiel : Universitätsbibliothek Kiel, 2010. http://d-nb.info/1019985437/34.

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5

Walters, Peter. "Narrative in fiction and film : a practical study of the nature of cross-pollination in narrative structure." Thesis, University of Sheffield, 2015. http://etheses.whiterose.ac.uk/11930/.

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Written literature has evolved significantly over the centuries. The typical novel of the twenty-first century is different in form from the novel of the mid-nineteenth. Modern novels tend to have less descriptive exposition and are less apt to follow previous conventions of omniscient narration. What factors have influenced this change? At the end of the nineteenth century, for the first time in recorded history, a new art form emerged, one that was based on the technological achievement of the recorded moving image. This study examines to what extent, and in which ways, the new art form, cin

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6

Yong, Kamuela E. "A mathematical model of the interactions between pollinators and their effects on pollination of almonds." Diss., University of Iowa, 2012. https://ir.uiowa.edu/etd/3020.

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California's almond industry, valued at $2.3 billion per year, depends on the pollinator services of honey bees, although pollination by other insects, mainly solitary wild bees, is being investigated as an alternative because of recent declines in the number of honey bee colonies. Our objective is to model the movements of honey bees and determine the conditions under which they will forage in less favorable areas of a tree and its surroundings when other pollinators are present. We hypothesize that foraging in less favor

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7

Eloy, Jones. "Polinização, produção e qualidade de butiá (Butia odorata Barb. Rodr.) Noblick & Lorenzi." Universidade Federal de Pelotas, 2013. http://repositorio.ufpel.edu.br/handle/ri/1144.

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Made available in DSpace on 2014-08-20T13:25:38Z (GMT). No. of bitstreams: 1 dissertacao_jones_eloy.pdf: 1690635 bytes, checksum: 35ae8138d7942712200eb8662fa2812e (MD5) Previous issue date: 2013-06-25<br>Pollination is presented as a determining factor in the production of fruits in various fruit species, especially those that do not reproduce by parthenocarpy. This study aimed to evaluate the influence of self-pollination and cross-pollination of jelly palm in production and fruit quality. To this end, we used 14 genotypes of jelly palm of BAG of FAEM-UFPel, RS, Brazil. The treatments wer

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8

Pereira, Flávia Cristina Diniz [UNESP]. "Uso do efeito xênia em híbridos comerciais de milho (Zea mays L.)." Universidade Estadual Paulista (UNESP), 2003. http://hdl.handle.net/11449/98909.

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Made available in DSpace on 2014-06-11T19:29:45Z (GMT). No. of bitstreams: 0 Previous issue date: 2003-05-29Bitstream added on 2014-06-13T18:39:46Z : No. of bitstreams: 1 pereira_fcd_me_ilha.pdf: 131886 bytes, checksum: ba4c06ac24276bdd5096e975fc46ff3c (MD5)<br>O fenômeno de xênia é descrito como o efeito direto do pólen no embrião e endosperma da semente, alterando suas características genéticas e proporcionando mudanças qualitativas e quantitativas. Vários caracteres do grão de milho como cor, tamanho, peso e teor de alguma substância apresentam esse efeito. Portanto existe a possibilidade

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9

Brown, Angela Philip. "Pollen, embryo and endosperm development following cross-pollination within and between the crop species Brassica campestris, Brassica oleracea, Brassica napus and Raphanus sativus." Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/12858.

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10

Guo, Yi. "Self & cross incompatibility post-pollination responses and floral abscission in Coelogyne and related genera (Orchidaceae) : molecular aspects of self-incompatiblity compared with solanaceous plants." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240303.

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11

Pereira, Flávia Cristina Diniz. "Uso do efeito xênia em híbridos comerciais de milho (Zea mays L.) /." Ilha Solteira : [s.n.], 2003. http://hdl.handle.net/11449/98909.

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Orientador: João Antonio da Costa Andrade<br>Banca: Maria Elisa Ayres Guidetti Zagatto Paterniani<br>Banca: Pedro César dos Santos<br>Resumo: O fenômeno de xênia é descrito como o efeito direto do pólen no embrião e endosperma da semente, alterando suas características genéticas e proporcionando mudanças qualitativas e quantitativas. Vários caracteres do grão de milho como cor, tamanho, peso e teor de alguma substância apresentam esse efeito. Portanto existe a possibilidade deste fenômeno ser explorado com o cultivo de dois híbridos com sementes misturadas, buscando-se um aumento no rendimento

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12

Sheard, Andrew Grant. "Factors leading to poor fruit set and yield of sweet cherries in South Africa." Thesis, Link to the online version, 2008. http://hdl.handle.net/10019/904.

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13

Oronje, Mary Lucy Adhiambo [Verfasser]. "Pollinator effectiveness and their potential for pollination of greenhouse crops in Kenya / Mary Lucy Adhiambo Oronje. Fakultät für Biologie." Bielefeld : Universitätsbibliothek Bielefeld, Hochschulschriften, 2011. http://d-nb.info/1017999546/34.

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14

Brand, Mariette Rieks. "Pollination ecosystem services to onion hybrid seed crops in South Africa." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86238.

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Thesis (PhD)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Insect pollination contributes in various degrees toward the production of a variety of agricultural crops that ensure diversity and nutritional value in the human diet. Although managed honeybees (Apis mellifera L.) are still the most economically valuable pollinators of monoculture crops cultivated globally, wild pollinator communities can contribute substantially toward crop pollination through pollination ecosystem services sourced from neighbouring natural habitats. Pollination ecosystem services are thus valuable and

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15

Andrikopoulos, Corey J. "Comparative Pollination Efficacies of Bees on Raspberry and the Management of Osmia lignaria for Late Blooming Crops." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/7086.

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Unlike other rosaceous fruit crops such as apple and cherry, commercial raspberry cultivars are largely self-fertile and can set fruit in the absence of pollinators. However, their floral morphology often prevents complete self-pollaintion. Incomplete pollination yields unmarketable small or crumbly fruits. Insect visitation is therefore essential to maximizing raspberry yield. Honey bees are typically used to pollinate commercial raspberry; however, escalating prices for hive rentals coupled with increasing acreage encourage evaluation of other manageable pollinators. Bumble bees (Bombus spp.

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16

Otieno, Mark. "Assessing the drivers of pollinator and natural enemy communities in pigeonpea and field beam crops." Thesis, University of Reading, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533746.

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17

Bryan, Casey J. "THE EFFICACY OF COVER CROPS FOR POLLINATOR HABITAT PROVISION AND WEED SUPPRESSION IN A SOUTHERN ILLINOIS AGROECOSYSTEM." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/theses/2489.

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Increases in agricultural intensification over the past century have resulted in significant alterations to the rural landscape across the Midwest. Pollinators are essential to sustain natural and managed ecosystems. They are vital for food production and their declines have been linked, in part, to a rise in intensive agricultural practices. There is a recognized need among numerous stakeholders to build sustainability into the management of agroecosystems to protect both the biotic and abiotic resources of these systems. The use of cover crops is gaining interest among agricultural produce

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18

Tacuatiá, Luana Olinda. "Les aspects de la variabilité génétique et cytogénétique, et de la biologie reproductive chez Sisyrinchium micranthum Cav. (Iridaceae) dans le sud du Brésil." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00922984.

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Sisyrinchium micranthum Cav. is an herbaceous plant, one of the rare species of the genus which is described as annual. In Brazil, its distribution occurs throughout the states of Rio Grande do Sul (RS), Santa Catarina (SC), Paraná (PR), São Paulo (SP), and Rio de Janeiro (RJ). The species has a wide morphological variability reported in several studies, and different combinations of morphological features can be observed in the wild. Based on these combinations that characterize various plant profiles, three morphological types have been described as CI, CII and CIII. Sisyrinchium micranthum

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19

Mesa, Laura A. "The influence of pollinator diversity and behaviour on pollen movement in Brassica rapa chinensis (Pak-Choi) crops, and its significance for gene escape." Thesis, University of Canterbury. School of Biological Sciences, 2008. http://hdl.handle.net/10092/2685.

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The overall aim of the study was to assess the risk of gene flow from Brassica crops by insectmediated pollen transport. I measured the viability of pollen in Brassica flowers throughout crop development and compared this with the viability of pollen transported by insects inside and outside one early- and one late-season crop. In order to evaluate the relative importance of different species in pollen transport, I measured abundance of flower visitors during crop development, and measured the foraging behaviour of five key pollinator species throughout the growing season, in relation to varia

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20

Santos, Claudia Oliveira dos. "Influ?ncia do comprimento do ninho-armadilha na sele??o das cavidades para nidifica??o, na mortalidade da prole e na raz?o sexual de abelhas solit?rias (Hymenoptera: Apidae)." Universidade Estadual de Feira de Santana, 2013. http://localhost:8080/tede/handle/tede/306.

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Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2016-03-01T00:40:16Z No. of bitstreams: 1 DISSERTA??O Claudia.pdf: 581878 bytes, checksum: 64bfb898fa3dfecf415c1fe65fad5fbf (MD5)<br>Made available in DSpace on 2016-03-01T00:40:16Z (GMT). No. of bitstreams: 1 DISSERTA??O Claudia.pdf: 581878 bytes, checksum: 64bfb898fa3dfecf415c1fe65fad5fbf (MD5) Previous issue date: 2013-03-26<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES<br>This study aimed to investigate the acceptance of cavities with different lengths for nesting and the cavity size effe

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21

Sonja, Mudri Stojnić. "Distribucija i dinamika populacija najznačajnijih grupa polinatora u agroekosistemima Vojvodine." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2018. https://www.cris.uns.ac.rs/record.jsf?recordId=107290&source=NDLTD&language=en.

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U  radu  je  prikazana  distribucija,  dinamika  i  diverzitet  insekata opra&scaron;ivača iz reda Hymenoptera  -  Apiformes (Anthophila) i Diptera Syrphidae)  na  stepskim  fragmentima  i  na  suncokretu  u agroekosistema  Vojvodine.  U  cilju  uvida  u  strukturu  predela  injenog  uticaja  na  sastav  i  brojnost  polinatora,  kartirani  su  tipovistani&scaron;ta  oko  svakog  stepskog  fragmenta. 

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22

Yu-TsenLin and 林昱岑. "Cross-pollination: Orchestration of Resources from a Value Co-creating System Perspective." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/ztmnq9.

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碩士<br>國立成功大學<br>國際企業研究所<br>102<br>Borrowing the metaphor of “cross-pollination”, this research tries to clarify how the boundary-spanning resources are orchestrated and later utilized by certain actors in order to co-create value in the cultural and creative industries. Using the value co-creating system and orchestration perspectives to do the literature review. There are only few studies used for explaining these questions. Thus, using Hwang Sun Enterprise as the example to answer the research questions. The method of this research is qualitative case study which includes in-depth interview,

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23

Peter, C. I., and S. D. Johnson. "Doing the twist: a test of Darwin's cross-pollination hypothesis for pollinarium reconfiguration." 2006. http://hdl.handle.net/10962/d1005975.

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Mating success in plants depends largely on the efficiency of pollen dispersal. For hermaphrodite plants, self-pollination, either within or among flowers, can reduce mating opportunities because of pollen and ovule discounting and inbreeding depression. Self-pollination may be particularly detrimental in plants such as orchids and asclepiads that package each flower’s pollen into one or more pollinia which, together with accessory structures, comprise a pollinarium. Darwin proposed that physical reconfiguration of pollinaria serves as a mechanism for reducing the likelihood of self-pollinatio

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24

Ortiz-Perez, Evelyn. "Insect-mediated cross-pollination in male-sterile, female-fertile mutant soybean [Glycine max (L.) Merrill] lines /." 2005.

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25

Smith, Shirley McCraw. "A cross-age study of students' conceptual understanding of interdependency in seed dispersal, pollination, and food chains using a constructivist theoretical framework." 2003. http://www.lib.ncsu.edu/theses/available/etd-07212003-213135/unrestricted/etd.pdf.

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26

Moreira, Patricia Quaresma. "Polinização e vingamento de ameixeira japonesa (Prunus salicina Lindl.). Avaliação da colocação sequencial de colmeias e de um bioestimulante." Master's thesis, 2008. http://hdl.handle.net/10400.5/1579.

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Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia<br>RESUMO Durante o ano de 2008, estudou-se o vingamento da cultivar de ameixeira japonesa ‘Angeleno’ em Campo Maior, Bombarral e Setúbal utilizando a cultivar Fortune como polinizadora. Nas 3 regiões, a eficácia da colocação sequencial de colmeias (T1) nos pomares e da utilização de um bioestimulante Göemar BM86® (T2) para auxílio de vingamento foi comparada com a prática comercial (T0), que consiste na colocação da totalidade das colmeias a 10% da floração. Dada a ocorrência de geada em Campo Maior, a análise do vingamen

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27

Pham, Hanh Duc. "Pollination Biology of Jujubes and Longans and the Importance of Insects in the Pollination of Crops in Vietnam." Thesis, 2012. http://hdl.handle.net/10214/3744.

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The floral and pollination biology of jujubes (Ziziphus mauritiana) and longans (Dimocarpus longan) were studied near Hanoi, Vietnam. Jujube is a protandrous species with three phases of flowering. After a brief asexual phase, anthers dehisce and release pollen in the afternoon of the day of anthesis. Stigmas become most receptive the following day when flowers are actively secreting nectar. Both jujube and longan flowers are visited during the day by insects of many families, particularly honeybees and flies (syrphids, calliphorids, and muscids). Honeybees, Apis cerana, made up 84% of floral

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28

LI, SU-YING, and 李素瑩. "Comparison of mutagenic effects of physical and chemical mutagens on self-and foreign-pollination crops." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/92859561989993797160.

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29

Falzari, LM. "Environmental and cultural factors influencing pollination and fruit set in commercial crops of fennel (Foeniculum vulgare Mill.)." Thesis, 1997. https://eprints.utas.edu.au/21373/1/whole_ReynoldsLindaM1997_thesis.pdf.

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Foeniculum vulgare Mill., (fennel), is grown commercially in Tasmania as an essential oil crop. Although oil is produced throughout the plant, approximately 95% is located in the fruits and fruit set directly influences oil yield. In Tasmania commercially grown fennel frequently has a percentage fruit set less than 50%. Research was undertaken into factors influencing fruit set, with the objective of improving fruit set, oil yield and economic returns to growers. The project began with an examination of flower morphology and physiology. Particular importance was placed on the fact that fennel

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30

Bänsch, Svenja. "Managing strawberry pollination with wild bees and honey bees: Facilitation or competition by mass-flowering resources?" Doctoral thesis, 2019. http://hdl.handle.net/21.11130/00-1735-0000-0005-150D-6.

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31

Pritchard, Katie. "The unseen costs of agricultural expansion across a rainforest landscape: depauperate pollinator communities and reduced yield in isolated crops." Thesis, 2005. https://researchonline.jcu.edu.au/4909/1/01front.pdf.

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Biotic pollination services are an essential component of agricultural landscapes; approximately three quarters of the world’s crop species use biotic pollen vectors to initiate or enhance fruit and seed production (Roubik 1995, Nabhan & Buchmann 1997, Kenmore & Krell 1998). Biotic pollination services are in decline, necessitating maintenance of either landscape elements required by pollinating species or the development of new ways to enhance currently managed species or potential new ones (Allen-Wardell et al 1998, Heard 1999). In this empirical study I have surveyed the potential pollin

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Pritchard, Katie. "The unseen costs of agricultural expansion across a rainforest landscape: depauperate pollinator communities and reduced yield in isolated crops." 2005. http://eprints.jcu.edu.au/4909/1/01front.pdf.

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Biotic pollination services are an essential component of agricultural landscapes; approximately three quarters of the world’s crop species use biotic pollen vectors to initiate or enhance fruit and seed production (Roubik 1995, Nabhan & Buchmann 1997, Kenmore & Krell 1998). Biotic pollination services are in decline, necessitating maintenance of either landscape elements required by pollinating species or the development of new ways to enhance currently managed species or potential new ones (Allen-Wardell et al 1998, Heard 1999). In this empirical study I have surveyed the potential pollin

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