Academic literature on the topic 'Orchids'

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Journal articles on the topic "Orchids"

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Shamsudin, Nor Amirah, Jaya Seelan Sathiya Seelan, Jualang Azlan Gansau, and Nor Azizun Rusdi. "A review: Molecular identification of orchid mycorrhiza." Advances in Horticultural Science 38, no. 1 (2024): 97–116. http://dx.doi.org/10.36253/ahsc-14952.

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Orchids are a diverse and widespread family of flowering plants, with over 25,000 known species and more than 100,000 hybrids and cultivars. Orchids are characterised by their often showy and highly specialised flowers and have unique and intricate floral. Orchids are known to be highly dependent on their mycorrhizal fungi for nutrient uptake, especially during the early stages of their development. Orchid seeds lack the endosperm present in most other seeds, which means they cannot germinate without a source of nutrition. The relationship between orchids and mycorrhiza is known as orchid myco
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Molnár V., Attila, Viktor Löki, Marc Verbeeck, and Kristóf Süveges. "Orchids of Azerbaijani Cemeteries." Plants 10, no. 12 (2021): 2779. http://dx.doi.org/10.3390/plants10122779.

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In order to explore their orchid flora, we performed surveys of 96 Azerbaijani burial places in 2018 and 2019. Altogether, 28 orchid taxa were found in 37 visited cemeteries. In the orchid diversity a remarkable pattern was observed: geographic latitude was significantly and positively related to the number of taxa and number of individuals. The most widespread and abundant orchids in Azerbaijani graveyards were Anacamptis pyramidalis and A. papilionacea (found in 23 and 8 cemeteries, respectively). Azerbaijani cemeteries can be important refuges for rare and threatened orchids, e.g., Himantog
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Farokhah, Tria, Sri Utami, and Jumari Jumari. "Diversity and Abundance of Orchids at Gebugan Nature Reserve in Semarang, Indonesia." Biosaintifika: Journal of Biology & Biology Education 10, no. 2 (2018): 284–90. http://dx.doi.org/10.15294/biosaintifika.v10i2.14579.

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Orchid is a plant with a high aesthetic value.The existence of orchids directly by the community from their natural habitat, causing the existence of orchid in nature was threatened. The potential of orchid diversity in the Gebugan Nature Reserve area needs exploration to maintain its sustainability. This research would explore the diversity and abundance of orchid species and determined the environmental conditionof Gebugan Nature Reserve. The study was done on 2 stations with altitude difference are 900 m asl and 1045 m asl. Five plots of 10 m x 10 m were systematically constructed at each s
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Santosh, Sawardekar, Sherkar Sandip, Sunte Vishal, and Jadhav Dhanavantari. "In Vitro Propagation Reviews of Orchid." In Vitro Propagation Reviews of Orchid 8, no. 10 (2023): 7. https://doi.org/10.5281/zenodo.10060804.

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Orchidaceae is the largest family comes at second place in beautiful as well as sunshine flowering plants. Orchids are used as sources of medicine. Orchid is one of the major flowering plants with high demand in international market due to multifaced powerful aphrodisiac qualities. Orchid's are propagated by standard conventional methods which is very slow process. Vegetative propagation occurs through division of clumps, rhizomes, cutting and off shoots separation. Seed germination requires other supplementary techniques in natural conditions. As compare to natural propagation methods, plant
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Evans, Alexandra, Sam Janssens, and Hans Jacquemyn. "Impact of Climate Change on the Distribution of Four Closely Related Orchis (Orchidaceae) Species." Diversity 12, no. 8 (2020): 312. http://dx.doi.org/10.3390/d12080312.

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Long-term monitoring programs and population demographic models have shown that the population dynamics of orchids are to a large extent dependent on prevailing weather conditions, suggesting that the changes in climatic conditions can have far reaching effects on the population dynamics and hence the distribution of orchids. Although a better understanding of the effects of climate change on the distribution of plants has become increasingly important during the final years, only a few studies have investigated the effects of changing temperature and precipitation on the distribution of orchi
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Scopece, Giovanni, Nicolas Juillet, Christian Lexer, and Salvatore Cozzolino. "Fluctuating selection across years and phenotypic variation in food-deceptive orchids." PeerJ 5 (August 25, 2017): e3704. http://dx.doi.org/10.7717/peerj.3704.

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Nectarless flowers that deceive pollinators offer an opportunity to study asymmetric plant-insect interactions. Orchids are a widely used model for studying these interactions because they encompass several thousand species adopting deceptive pollination systems. High levels of intra-specific phenotypic variation have been reported in deceptive orchids, suggesting a reduced consistency of pollinator-mediated selection on their floral traits. Nevertheless, several studies report on widespread directional selection mediated by pollinators even in these deceptive orchids. In this study we test th
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Handayani, Etty, Agung Astuti, and Yogawati Printarani Yahwidhi. "In Vitro Culture of Orchids Grammatophyllum scriptum lindl. from Ambonese banana Peel in Foliar Fertilizer Medium." Tropical Plantation Journal 2, no. 2 (2023): 60–65. http://dx.doi.org/10.56125/tpj.v2i2.31.

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The sustainability of Grammatophyllum scriptum orchids in nature is threatened due to excessive harvesting which results in changes and damage to the orchid's growing habitat. G. scriptum orchid is one of the endemic orchids that has uniqueness and high economic value. In vitro culture propagation of G. scriptum orchids is carried out to multiply and maintain the existence of the orchid. The use of alternative media in vitro culture is carried out to minimize the cost of making the medium and utilize materials available in nature. The utilization of Ambonese banana peel waste that has not been
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Riandinata, Selamet Kurniawan, Athifah Athifah, and Muh Ramdhan Sofyan Syafii. "Inventarisasi Keanekaragaman Anggrek (Orchidaceae) di Kecamatan Polinggona Kabupaten Kolaka." Bioscientist : Jurnal Ilmiah Biologi 10, no. 1 (2022): 333. http://dx.doi.org/10.33394/bioscientist.v10i1.5003.

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Orchid is type of flowering plant that has economic value because most of them have beautiful and attractive flowers. The existence species of orchids in nature is increasingly threatened due to the high activity of land conversion and hunting for the orchids themselves. The purpose of this study was determine the diversity of orchids spesies in Polinggona, Kolaka district Southeast Sulawesi. The research used an explorative and interview method. Based on the observations, there were 31 species of epiphytic orchids, 5 species of terrestrial orchids, one semi-terrestrial orchid and there are 6
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Rewers, Monika, Iwona Jedrzejczyk, Agnieszka Rewicz, and Anna Jakubska-Busse. "Genome Size Diversity in Rare, Endangered, and Protected Orchids in Poland." Genes 12, no. 4 (2021): 563. http://dx.doi.org/10.3390/genes12040563.

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Orchidaceae is one of the largest and the most widespread plant families with many species threatened with extinction. However, only about 1.5% of orchids’ genome sizes have been known so far. The aim of this study was to estimate the genome size of 15 species and one infraspecific taxon of endangered and protected orchids growing wild in Poland to assess their variability and develop additional criterion useful in orchid species identification and characterization. Flow cytometric genome size estimation revealed that investigated orchid species possessed intermediate, large, and very large ge
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Tokaryuk, Alla, Tetiana Nykyrsa, Illia Chorney, Vasyl Budzhak, and Ksenia Korzhan. "The Orchid family (Orchidaceae Juss.) on the territory of Chernivtsi: horological and phytocoenotical features." Biolohichni systemy 12, no. 2 (2020): 232–44. http://dx.doi.org/10.31861/biosystems2020.02.232.

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The article reports about chorology, phytocenotic, biotopical features of 24 orchid species (Orchidaceae Juss.) on the territory of Chernivtsi. The history of studying orchids in the city is described. The authors give the cadastre of locations of orchids based on studies of material at the herbariums (CHER, KW, LE, LW, МНА), literary sources and own collecting expeditions. There found 24 species of orchids in Chernivtsi. 6 of them (Anacamptis coriophora (L.) R.M. Bateman, Pridgeon et M.W. Chase s.l., A. palustris (Jacq.) R.M. Bateman, Pridgeon et M.W. Chase, Corallorhiza trífida Châtel., Dact
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Dissertations / Theses on the topic "Orchids"

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Hughes, Oliver Thomas Wesley. "Orchid-mycorrhiza relationships : propagation of terrestrial and epiphytic orchids from seed." Thesis, Manchester Metropolitan University, 2018. http://e-space.mmu.ac.uk/621969/.

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Many orchids are rare and endangered due to habitat loss, degradation and human interference. This thesis aims to improve our understanding of orchid-mycorrhiza relationships and optimise methods for successful in vitro germination and development of terrestrial and epiphytic orchids. The research undertaken advances our understanding of orchids and has applications for conservation and horticulture. Fungal specificity plays a key role in orchid distribution and the colonisation of habitats. This was investigated in the Australian terrestrial orchid, Microtis media R. Br. in Chapter 2. Experim
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Yam, Tim-wing. "Conservation, ecology and propagation of the wild orchids of Hong Kong /." [Hong Kong : University of Hong Kong], 1988. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1243873X.

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Tsui, Yuk-chun Prisca. "Conservation and propagation of wild orchids in Hong Kong /." [Hong Kong : University of Hong Kong], 1992. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13226290.

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Shan, Xuechan. "Fungal associations and aspects of seed biology of some orchids of Hong Kong /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20566670.

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Liu, Bing. "Germination studies in terrestrial orchids." Thesis, University of Leeds, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303461.

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Yuh, Seon Hee. "Cloning genes differentially expressed in freezing tolerant orchids." Virtual Press, 1996. http://liblink.bsu.edu/uhtbin/catkey/1020165.

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Genes responsible for differences in gene regulation and expression in normal cells and freezing tolerant cells were identified using two related wintergreen orchid species, Aplectrum hyemale and Tipularia discolor. Changes in gene expression observed in field-collected tissues obtained from different seasons were compared as were changes observed in plants subjected to cold shock in a laboratory environmental chamber. In order to clone these differentially expressed genes which may confer photosynthesis cold tolerance, the recently developed technique, mRNA differential display was employed.
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Barkman, Todd James. "Evolution of Dendrochilum subgenus Platyclinis section Eurybrachium investigated in a phylogenetic context /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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Hart, Phoebe. "Orchids : intersex and identity in documentary." Thesis, Queensland University of Technology, 2009. https://eprints.qut.edu.au/29712/25/Phoebe_Hart_Thesis_redacted.pdf.

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Orchids: Intersex and Identity in Documentary explores the creative practice challenges of working with bodies with intersex in the long-form auto/biographical documentary Orchids. Just as creative practice research challenges the dominant hegemony of quantitative and qualitative research, so does my creative work position itself as a nuanced piece, pushing the boundaries of traditional cultural studies theories, documentary film practice and creative practice method, through its distinctive distillation and celebration of a new form of discursive rupturing, the intersex voice.
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Hart, Phoebe. "Orchids : intersex and identity in documentary." Queensland University of Technology, 2009. http://eprints.qut.edu.au/29712/.

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Orchids: Intersex and Identity in Documentary explores the creative practice challenges of working with bodies with intersex in the long-form auto/biographical documentary Orchids. Just as creative practice research challenges the dominant hegemony of quantitative and qualitative research, so does my creative work position itself as a nuanced piece, pushing the boundaries of traditional cultural studies theories, documentary film practice and creative practice method, through its distinctive distillation and celebration of a new form of discursive rupturing, the intersex voice.
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Wong, Kwong-chiu Alfred. "Conservation genetics of Hong Kong wild orchids /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2035793X.

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Books on the topic "Orchids"

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Nash, Ned, and I. F. La Croix. Flora's orchids: Over 1,500 orchids. Firefly Books, 2006.

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Bristow, Alec. Orchids. 2nd ed. Cassell, 1987.

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Tibbs, Mike. Orchids. Ball Pub., 2007.

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Johnson, Liz. Easy orchids. Firefly Books, 2005.

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Barb, Schmidt. Orchid care: For the beginner. [Barb Schmidt], 2015.

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Stewart, Joyce. Orchids. Timber Press, 1988.

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Stewart, Joyce. Orchids. Timber Press, 2000.

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Glasser, Eve Kirschner. Orchids. Macmillan, 1995.

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Brian, Rittershausen, ed. Orchids for every home: The beginner's guide to growing beautiful, easy-care orchids. Reader's Digest, 2004.

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Tullock, John. Growing hardy orchids. Timber Press, 2005.

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Book chapters on the topic "Orchids"

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Meena, N. K., R. P. Medhi, and M. Mani. "Orchids." In Mealybugs and their Management in Agricultural and Horticultural crops. Springer India, 2016. http://dx.doi.org/10.1007/978-81-322-2677-2_56.

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Reddy, P. Parvatha. "Orchids." In Sustainable Crop Protection under Protected Cultivation. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-952-3_33.

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Parthasarathy, S., R. Kalaivanan, R. Sangavi, and P. Lakshmidevi. "Orchids." In Pests and Diseases in Flower, Medicinal and Aromatic Crops. CRC Press, 2025. https://doi.org/10.1201/9781003623793-11.

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Negi, Ayushi, Kritika Chauhan, Himani Adhikari, Azamal Husen, and Manu Pant. "Medicinal Orchids." In Exploring Medicinal Orchids. CRC Press, 2024. http://dx.doi.org/10.1201/9781003436638-1.

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Bandyopadhyay, Dipayan, and Dipan Adhikari. "ORCHID BIODIVERSITY IN DARJEELING DISTRICT OF WEST-BENGAL (EASTERN HIMALAYA) AND IT'S BIOTECHNOLOGICAL APPROACH FOR GENETIC IMPROVEMENTS." In Futuristic Trends in Biotechnology Volume 3 Book 24. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bkbt24p1ch9.

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Although cryptogams and phanerogamous plants are abundantly grow here and there but orchids are very rare. They are distributed throughout the world in temperate and tropical regions where the majority of the genus are epiphytes and terrestrial. The largest genera of orchids are Vanda, Dendrobium, Cypripedium, Spiranthes, Bulbophyllum , Habenaria etc. In our country, 1600 species are found in Himalayas and other hill areas including many saprophytic orchids like Corallorhiza, Neottia nidus-avis (Bird's nest orchid) etc. Orchids are aesthetically and commercially very important and demandable f
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Tikendra, Leimapokpam, Abhijit Dey, Manas Ranjan Sahoo, and Potshangbam Nongdam. "Genetic Stability in Micropropagated Orchids: Assessment by Molecular Markers and Flow Cytometry." In Genome Size and Genetic Homogeneity of Regenerated Plants: Methods and Applications. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815165555123010011.

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Orchids occupy a significant position in the international floricultural market because of their spectacularly beautiful flowers with varied sizes, forms, patterns, and colorations. Apart from their high ornamental values, they are known for therapeutic application in the traditional medicinal system. However, natural orchid resources are quickly depleting because of excessive unregulated commercial collection and mass habitat destruction. Orchid production through conventional propagation methods cannot meet the present demands for these ornamental plants. Micropropagation of orchids through
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Pant, R. P., K. B. Pun, N. K. Meena, and Baljeet Kaur. "Orchids." In Viral Diseases of Field and Horticultural Crops. Elsevier, 2024. http://dx.doi.org/10.1016/b978-0-323-90899-3.00049-5.

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Sheehan, Thomas J. "Orchids." In Introduction to Floriculture. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-12-437651-9.50010-5.

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"Orchids." In Encyclopedia of Islands. University of California Press, 2019. http://dx.doi.org/10.1525/9780520943728-164.

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HORVATH, BROOKE. "“Orchids”:." In A Field Guide to the Poetry of Theodore Roethke. Ohio University Press, 2020. http://dx.doi.org/10.2307/j.ctv224tz8r.17.

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Conference papers on the topic "Orchids"

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Maleesha, R. P. G. S., and P. D. Suranjini Silva. "Analyzing the Influence of Automated Water Distribution Systems on Precision Irrigation for Orchids: A Case Study Using Dendrobium Phalaenopsis Orchid Group." In 2024 9th International Conference on Information Technology Research (ICITR). IEEE, 2024. https://doi.org/10.1109/icitr64794.2024.10857793.

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Hsu, Hung-Wei, Chih-Chung Wang, and Jia-Han Li. "Enhancing the Accuracy of Identification in Complex Environmental Back-grounds using YOLO V7 and U2NET: Orchid Repotting." In JSAP-Optica Joint Symposia. Optica Publishing Group, 2024. https://doi.org/10.1364/jsapo.2024.17a_a37_3.

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In the horticultural industry, determining the appropriate timing for repotting is crucial for plant health and growth. Traditional Automated Optical Inspection (AOI) techniques fall short in addressing the high variability inherent in horticulture due to environmental, genetic, and growth-related factors. These traditional methods are inadequate for dealing with the dynamic and complex nature of plant cultivation. Therefore, advanced deep learning models are needed to predict optimal repotting times and ensure precise target object detection amidst complex back-grounds. This study employs YOL
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Albano, Katrice Asher G., Andre A. Aquino, Matthew Raphael C. Corbe, Gabriel Isiah G. Fortes, Cloe A. Rosario, and Elcid A. Serrano. "HalamanPH: Mobile Object Detection of Orchid Plants." In 2024 14th International Conference on Software Technology and Engineering (ICSTE). IEEE, 2024. https://doi.org/10.1109/icste63875.2024.00036.

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Semiarti, Endang. "Orchid biotechnology for Indonesian orchids conservation and industry." In INVENTING PROSPEROUS FUTURE THROUGH BIOLOGICAL RESEARCH AND TROPICAL BIODIVERSITY MANAGEMENT: Proceedings of the 5th International Conference on Biological Science. Author(s), 2018. http://dx.doi.org/10.1063/1.5050118.

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Shmatov, Sergey Sergeevich. "These amazing orchids." In 4th International Research and Practical Conference for Pupils, chair Larisa Nikolaevna Shvedova. TSNS Interaktiv Plus, 2017. http://dx.doi.org/10.21661/r-118211.

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FIRDAUS, Muhammad Ridhan. "The utilization of IoT-based humidity monitoring method and convolutional neural networks for orchid seed germination." In Renewable Energy: Generation and Application. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903216-34.

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Abstract. This research endeavors to advance orchid seed germination efficiency through the development of an Internet of Things (IoT)-based humidity monitoring system integrated with Convolutional Neural Networks (CNN). Recognizing the pivotal role of proper humidity in orchid seed sowing, the proposed system employs humidity sensors connected to an IoT platform for real-time data collection. The collected data undergoes analysis and prediction by CNN, elucidated through graphical representations such as histograms, line charts, and scatterplot charts. By synergizing IoT technology with artif
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Hariyadi, Itra, Fauziyah Harahap, and Melva Silitonga. "Response Formation of Cattleya Orchid Leaf Callus (<i>Cattleya</i> Sp.) with the Addition of <i>2.4 Dichlorophenoxy Acetic Acid </i>and <i>6-Benzyl Amino Purine In Vitro</i>." In The 4th International Conference on Science and Technology Applications. Trans Tech Publications Ltd, 2023. http://dx.doi.org/10.4028/p-6rj5x0.

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Orchid Cattleya sp. has a very high commercial value in the market both locally and internationally. Although the price of the orchid tends to be expensive, the value it has is much more expensive. So cattleya is always a top priority for hobbyists and collectors [1]. Cattleya is one of the orchid genera that have flowers with large sizes and is known as "The Queen of Orchids" because it has the beauty of color variations in its flowers [2]. In addition to having beauty in its flowers, bright flower color, and fragrant smell, Cattleya Orchid in general has a large flower size compared to other
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Videnov, Krum, Vanya Stoykova, Miroslav Vasilev, Zlatin Zlatev, Mariya Georgieva-Nikolova, and Petya Yordanova. "Improvement of the irrigation system for orchids." In CompSysTech '21: International Conference on Computer Systems and Technologies '21. ACM, 2021. http://dx.doi.org/10.1145/3472410.3472436.

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Favre-Godal, Q., L. Gourguillon, L. Riffault-Valois, et al. "Orchids and their mycorrhizal fungi: an insufficiently explored relationship." In 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA) in cooperation with the French Society of Pharmacognosy AFERP. © Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-3399784.

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Ben Younes, Romdhane, Guy Tremblay, and Guy Bégin. "Extending orchids for intrusion detection in 802.11 wireless networks." In the 8th international conference. ACM Press, 2008. http://dx.doi.org/10.1145/1416729.1416740.

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Reports on the topic "Orchids"

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Liu, Hong, Paulo Olivas, and James Lange. An inventory study on the cigar orchid (Cyrtopodium punctatum) in Big Cypress National Preserve: Final report. National Park Service, 2024. http://dx.doi.org/10.36967/2302454.

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The cigar orchid is a Florida state-listed endangered species, made rare in southern Florida by historical over-collection for its unique beauty, in addition to habitat loss. It is largely restricted to a small number of cypress domes and freshwater sloughs in southwestern Florida, including the Big Cypress National Preserve (BICY). We established a baseline dataset on the population of cigar orchid at BICY, based on extensive field surveys within the following seven regions: Fire Prairie Trail-East, Gator Hook Trail, Florida Trail, Nobles Grade, North of Tamiami Trail (mainly the Skillet Stra
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O'Neill, Sharman, Abraham Halevy, and Amihud Borochov. Molecular Genetic Analysis of Pollination-Induced Senescence in Phalaenopsis Orchids. United States Department of Agriculture, 1991. http://dx.doi.org/10.32747/1991.7612837.bard.

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The project investigated the molecular genetic and biochemical basis of pollination-induced senescence of Phalaenopsis flowers. This experimental system offered unique advantages in that senescence is strictly regulated by pollination, providing the basis to experimentally initiate and synchronize senescence in populations of flowers. The postpollination syndrome in the Phalaenopsis orchid system was dissected by investigating the temporal and spatial regulation of ACC synthase gene expression. In the stigma, pollen-borne auxin induces the expression of the auxin-regulated ACC synthase (PS-ACS
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Nikander, P., J. Laganier, and F. Dupont. An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers (ORCHID). RFC Editor, 2007. http://dx.doi.org/10.17487/rfc4843.

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Bezukh, E. P., and G. P. Atroshchenko. Intense uterine-cherenka orchards of apple and pear. Известия Санкт-Петербургского аграрного университета, 2018. http://dx.doi.org/10.18411/0131-5226-2018-11979.

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Tyler, Jess. Effectiveness of Pollinator Enhancements in Portland Community Orchards. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.6347.

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Cohen, Yehezkiel, Glenn Hoffman, Marcel Fuchs, Harry I. Nightingale, Samuel Moreshet, and Robert B. Hutmacher. Irrigation Scheduling of Orchards Bases on Direct Measurements of Transpiration. United States Department of Agriculture, 1987. http://dx.doi.org/10.32747/1987.7566751.bard.

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Hoy, James B., and Michael I. Haverty. Pest management in Douglas-fir seed orchards: a microcomputer decision method. U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1988. http://dx.doi.org/10.2737/psw-gtr-108.

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Holterman, H. J., J. C. van der Zande, J. F. M. Huijsmans, and M. Wenneker. Development of a spray drift model for spray applications in fruit orchards. Stichting Wageningen Research, Wageningen Plant Research, Business Unit Agrosystems Research, 2018. http://dx.doi.org/10.18174/442091.

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Sisson, Adam, Mark L. Gleason, and Jean C. Batzer. New Methods of Integrated Pest Management for Apple Orchards in the Midwest. Iowa State University, Digital Repository, 2008. http://dx.doi.org/10.31274/farmprogressreports-180814-2679.

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Laganier, J., and F. Dupont. An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers Version 2 (ORCHIDv2). RFC Editor, 2014. http://dx.doi.org/10.17487/rfc7343.

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