Academic literature on the topic 'Ixora'

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Journal articles on the topic "Ixora"

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Broschat, Timothy K. "Potassium and Phosphorus Deficiency Symptoms of Ixora." HortTechnology 10, no. 2 (January 2000): 314–17. http://dx.doi.org/10.21273/horttech.10.2.314.

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Ixoras (Ixora L.) growing in calcareous sandy soils are highly susceptible to a reddish leaf spot disorder. Symptoms appear on the oldest leaves of a shoot and consist of irregular diffuse brownish-red blotches on slightly chlorotic leaves. Symptoms of K deficiency, P deficiency, and both K and P deficiency were induced in container-grown Ixora `Nora Grant' by withholding the appropriate element from the fertilization regime. Potassium-deficient ixoras showed sharply delimited necrotic spotting on the oldest leaves, were stunted in overall size, and retained fewer leaves per shoot than control plants. Phosphorus-deficient plants showed no spotting, but had uniformly brownish-red older leaves and olive-green younger foliage. Plants deficient in both elements displayed symptoms similar to those observed on landscape plants. Symptomatic experimental and landscape ixoras all had low foliar concentrations of both K and P.
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SUNDARARAJ, RAMACHANDRAN, and DURAISAMY VIMALA. "Two new species of the genus Cohicaleyrodes Bink-Moenen, 1983 (Hemiptera: Aleyrodidae) from India." Journal of Insect Biodiversity 20, no. 1 (November 17, 2020): 1–10. http://dx.doi.org/10.12976/jib/2020.20.1.1.

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Two new aleyrodids of the genus Cohicaleyrodes Bink-Moenen, 1983 viz., C. grewiae sp. nov. on Grewia tiliifolia Vahl (Malvaceae) and C. ixorae sp. nov. on Ixora nigricans R.Br. ex Wight & Arn. (Rubiaceae) are described and illustrated. List for all known species from India and a workable key to the Indian specie of the genus Cohicaleyrodes are given. The descriptions of two new species bring the number of known Indian species of Cohicaleyrodes to ten. Key words: Taxonomy, whitefly, Grewia tiliifolia, Ixora nigricans
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Broschat, Timothy K. "Effectiveness of Various Iron Sources for Correcting Iron Chlorosis in Dwarf Ixora." HortTechnology 13, no. 4 (January 2003): 625–27. http://dx.doi.org/10.21273/horttech.13.4.0625.

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`Petite Yellow' dwarf ixoras (Ixora spp.) were grown in an alkaline substrate (3 limestone gravel: 2 coir dust) or a poorly aerated composted seaweed substrate to induce iron (Fe) chlorosis. Chlorotic plants were fertilized every 2 months with soil applications of 0.1 g (0.0035 oz) Fe per 2.4-L (0.63-gal) pot using ferrous sulfate, ferric diethylenetriaminepentaacetic acid (FeDTPA), ferric ethylenediaminedi-o-hydroxyphenylacetic acid (FeEDDHA), Hampshire Iron (FeHEDTA plus FeEDTA), ferric citrate, iron glucoheptonate, or DisperSul Iron (sulfur plus ferrous sulfate). Additional chlorotic ixoras growing in a substrate of 3 sedge peat: 2 cypress sawdust: 1 sand were treated every 2 months with foliar sprays of Fe at 0.8 g·L-1 (0.11 oz/gal) from ferrous sulfate, FeDTPA, FeEDDHA, ferric citrate, or iron glucoheptonate. Only chelated Fe sources significantly improved ixora chlorosis when applied to the soil, regardless of whether the chlorosis was induced by an alkaline substrate or a poorly aerated one. As a foliar spray, only FeDTPA was effective in improving chlorosis in dwarf ixora. Leaf Fe content either showed no relationship to plant color or was negatively correlated with plant chlorosis ratings.
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Murugan, P., C. Murugan, and K. Karthigeyan. "Notes on the identity and taxonomy of Ixora cuneifolia and I. notoniana and typification of three names in Ixora." Gardens’ Bulletin Singapore 73, no. 2 (December 10, 2021): 481–87. http://dx.doi.org/10.26492/gbs73(2).2021-18.

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Ixora predeepii Balan & S.Harikr. and Ixora sivarajiana Pradeep are synonymised under Ixora cuneifolia Roxb. and Ixora notoniana Wall. ex G.Don respectively. Lectotypes are designated for the names Ixora nigricans R.Br. ex Wight & Arn. and Ixora undulata Roxb. ex Sm. A second step lectotype is designated for the name Ixora cuneifolia Roxb.
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Larasati, Winda, Niken Kusumarini, Baiq Farhatul Wahida, Rizmoon Nurul Zulkarnaen, and Muhammad Rifqi Hariri. "Investigating the Taxonomic Value of Leaf Architecture in Ixora and Psychotria (Rubiaceae) Found in the Bogor Botanic Gardens’ Living Collections." Jurnal Riset Biologi dan Aplikasinya 6, no. 1 (March 31, 2024): 12–19. http://dx.doi.org/10.26740/jrba.v6n1.p12-19.

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Ixora and Psychotria are two distinct genera within the Rubiaceae family found at the Bogor Botanic Gardens. Despite taxonomic differences at the genus and subfamily levels, these plants share certain characteristics that necessitate identifying similarities. This study aims to identify resemblances between Ixora and Psychotria by examining their leaf architecture and evaluating significant morphological characteristics across recognized variables. The data analysis objective is to identify commonalities in leaf architecture and key distinguishing characteristics. Species under investigation include Ixora javanica (Blume) DC., Ixora paludosa (Blume) Kurz, Ixora coccinea L., Ixora chinensis Lam., Psychotria angulata Korth., and P. viridiflora Reinw. ex Blume. Thirteen characters were used to identify shared traits and influential features. Research findings showed both Ixora and Psychotria exhibit various characteristics. Cluster analysis indicated strong correlation among subjects under investigation, primarily due to shared characteristics. Distinguishing features significantly contributing to differentiation are leaf abaxial surface color and leaf base morphology. It can be concluded that abaxial leaf surface color holds potential as a distinguishing characteristic for Ixora, while leaf base exhibits distinguishing features for Psychotria.
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Saidah, Nurul, Siti Qoidah, Siti Fatimah, Hashina Izzatin Nida, and Muhamad Jalil. "IDENTIFIKASI TUMBUHAN BUNGA ASOKA (Ixora)YANG ADA DI DESA NGEMBALREJO." Symbiotic: Journal of Biological Education and Science 4, no. 2 (January 1, 2024): 57–63. http://dx.doi.org/10.32939/symbiotic.v4i2.98.

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In Indonesia, the soka plant (Ixora sp.) is an ornamental plant that is quite popular among ornamental plant hobbyists. Besides being unique, the shapes and types also vary. The purpose of this study was to identify the type of flower Ixora sp. located in Ngembal Rejo Village. This research method is descriptive qualitative by observing morphology. The results showed that there were 3 types of Ixora sp flowers. in Ngembalrejo Village, consisting of Ixora javanica, Ixora chinensis) and Ixora coccinia. So, the morphological differences in the soka plant only lie in the color of the flowers. Meanwhile, for the structure of leaves, stems and roots, there is dont difference because they are still in the same family and one genus.
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Arumugam, S., and C. Murugan. "Ixora deeprae M. Gangop. (Rubiceae) a superfluous name for Ixora monticola Gamble." Indian Journal of Forestry 42, no. 2 (June 1, 2019): 201. http://dx.doi.org/10.54207/bsmps1000-2019-v6oz2i.

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R., Reshma, Ganga M., Visalakshi M., Irene Vethamoni P., and Chitdeshwari T. "Standardization of Post-Harvest Management Techniques for Ixora (Ixora spp.)." International Journal of Environment and Climate Change 13, no. 10 (August 26, 2023): 1267–80. http://dx.doi.org/10.9734/ijecc/2023/v13i102779.

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The objective of this experiment was to optimize the post-harvest handling techniques for four Ixora genotypes grown for loose flower purpose. The experiment was laid out in Factorial Completely Randomised Design (FCRD) with four genotypes namely viz., Red (Ixora casei-G1), Pink (I. chinensis-G2), Orange (I. coccinea-G3) and Yellow (I. chinensis-G4) and six post-harvest treatments replicated three times. Observations were made on the floral quality criteria as well as the physiological characters linked with flower post-harvest quality. The results revealed that among the genotypes, Red (I. casei-G1) proved superior with respect to quality parameters and physiological parameters followed by Pink (I. chinensis-G2). Among the post-harvest treatments, treating flower buds with 4% boric acid and storage under refrigeration @ 50C recorded superior results for all the quality parameters viz., freshness index, flower opening index, colour retention and shelf life and the physiological parameters viz., moisture content, relative water content and physiological loss in weight.
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KOTTAIMUTHU, RAMALINGAM. "Ixora ravikumarii, a new name for Ixora monticola Gamble (Rubiaceae: Ixoroideae)." Phytotaxa 263, no. 1 (May 27, 2016): 79. http://dx.doi.org/10.11646/phytotaxa.263.1.11.

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Ixora Linnaeus (1753: 110) is the third largest genus of the family Rubiaceae with more than 500 species distributed in tropical and subtropical regions of the world (Mouly et al. 2009). The genus Ixora is easily recognized by its articulate petioles, tetramerous flowers, bilobed stigma, uni-ovulate locules and seeds with a large adaxial hilar cavity (De Block 2008). In India, the genus is represented by 47 species (Barbhuiya et al. 2012; Murugan & Prabhu 2014; Karthigeyan & Arisdason 2015). Among of them, Ixora agasthyamalayana Sivadasan & Mohanan (1991: 313), I. beddomei Husain & Paul (1986: 87), I. gamblei Ramachandran & Nair (1988: 220), I. johnsonii Hooker (1897: 139), I. lawsonii Gamble (1920: 247), I. malabarica (Dennstedt 1818: 37) Mabberley (1977: 539), I. manantoddii Husain & Paul (1991: 16), I. mercaraica Husain & Paul (1986: 88), I. monticola Gamble (1920: 246) and I. sivarajiana Pradeep (1997: 315) are endemic to Western Ghats (Singh et al. 2015). During the verification of Ixora species from the Western Ghats of Tamil Nadu, the author found that the name Ixora monticola Gamble (1920: 246) is an later illegitimate homonym of I. monticola (Hiern 1870: 177) Kuntze (1891: 287). Therefore, a new name, Ixora ravikumarii Kottaim., is proposed here as a replacement name for I. monticola Gamble.
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De Block, Petra. "Ixora kalehensis, a new Rubiaceae species from the Democratic Republic of the Congo." Plant Ecology and Evolution 151, no. 3 (November 28, 2018): 442–48. http://dx.doi.org/10.5091/plecevo.2018.1523.

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Background – The rain forest genus Ixora currently comprises 37 species in Continental Africa. Within the framework of a treatment of the genus for the Flore d’Afrique centrale, a new species is described from D.R. Congo, despite its being known from only two specimens.Methods – Standard methods of herbarium taxonomy are followed.Key results – Ixora kalehensis De Block, a new species from the Central Forest District in D.R. Congo, is described and illustrated. Ixora kalehensis remains under-collected and relatively poorly known but can nevertheless easily be distinguished from other Ixora species. The most distinctive character is the colour of the dried leaves: blackish on the upper surface and vivid brown on the lower surface. Other important characters are the small-sized, compact and sessile inflorescences and the large tree habit. The species is only known from two specimens collected in the 1950s and its preliminary IUCN status is Endangered (EN B2ab(iii)). The lack of more recent herbarium material highlights that the collecting effort in D.R. Congo remains substandard. It is hoped that the formal description of Ixora kalehensis will draw attention of international and local collectors and will result in more material and greater knowledge of the species. The description of this species brings the number of Ixora species to thirteen for central Africa (D.R. Congo, Rwanda and Burundi) and to twelve for D.R. Congo. An identification key to the species of D.R. Congo is provided.
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Dissertations / Theses on the topic "Ixora"

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Banag, Cecilia I. [Verfasser], and Sigrid [Akademischer Betreuer] Liede-Schumann. "Systematics of the Philippine endemic Ixora L. (Rubiaceae, Ixoreae) / Cecilia Banag. Betreuer: Sigrid Liede-Schumann." Bayreuth : Universität Bayreuth, 2014. http://d-nb.info/1064499902/34.

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Almeida, C?ssia Carvalho de. "Avalia??o de inibidores verdes microemulsionados na inibi??o ? corros?o do a?o carbono AISI 1020." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12760.

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In general, among the corrosion inhibitors surfactants are the most commonly used compounds, because they are significantly effective by forming protective films on anodic and cathodic areas. In this study, microemulsions containing he biodegradable saponified coconut oil as surfactant (SME-OCS) was used as green corrosion inhibitors. With this purpose, methanolic extracts of Ixora coccinea Linn (IC) and a polar fraction rich in alkaloids (FA) obtained from Croton cajucara Benth solubilized in the SME-OCS system were examined in the presence of AISI 1020 carbon steel, in saline solution (NaCl 3,5 %). The efficiency of corrosion inhibition of IC and FA were evaluated in the following microemulsions: SME-OCS-IC and SME-OCS-FA. The microemulsion system SME-OCS in the presence and absence of IC and FA was assessed by measurements of weight loss and the electrochemical method of polarization resistance, with variation in the concentration of IC and FA (50 - 400 ppm), showing significant results of corrosion inhibition (83,6 % SME-OCS; 92,2 % SME-OCS-FA; and 95,3 % SME-OCS-IC)
Em linhas gerais, dentre os inibidores de corros?o mais utilizados se encontram os tensoativos, que s?o significantemente eficazes por formarem pel?culas protetoras sobre ?reas an?dicas e cat?dicas. No presente trabalho, utilizou-se o tensoativo biodegrad?vel ?leo de coco saponificado microemulsionado (SME-OCS) para aplicabilidade como inibidor verde de corros?o. Para tanto, o extrato metan?lico de Ixora coccinea Linn (IC) e uma fra??o polar rica em alcaloides (FA) obtida de Croton cajucara Benth, solubilizados no sistema SME-OCS, foram avaliados na presen?a do a?o carbono AISI 1020, em meio salino (NaCl 3,5 %). Desta forma, as efici?ncias de inibi??es ? corros?o de IC e FA foram avaliadas nas seguintes microemuls?es: SME-OCS-IC e SME-OCS-FA. O sistema microemulsionado SME-OCS na presen?a e na aus?ncia de IC e FA foi avaliado por medidas de perda de massa e pelo m?todo eletroqu?mico de resist?ncia ? polariza??o, com varia??o da concentra??o dos vegetais IC e FA (50 400 ppm), tendo sido obtidos resultados significativos de inibi??es ? corros?o (83,6 % SME-OCS, 92,2 % SME-OCS-FA e 95,3 % SME-OCS-IC)
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Oliveira, Francisco Ítalo Fernandes de. "Influência do modo de irrigação na tolerância de plantas ornamentais à salinidade da água." reponame:Repositório Institucional da UFC, 2016. http://www.repositorio.ufc.br/handle/riufc/21827.

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OLIVEIRA, Francisco Ítalo Fernandes de. Influência do modo de irrigação na tolerância de plantas ornamentais à salinidade da água. 2016. 103 f. Dissertação (Mestrado em Solos e Nutrição de Plantas)-Universidade Federal do Ceará, Fortaleza, 2016.
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World trade of flowers and ornamental plants, of which the most significant branch is cut flowers, followed by the live plants, is an important segment economically to Brazil especially for the Northeast. Although the Northeast region has favorable climatic conditions for the cultivation of flowers and ornamental plants, low quality irrigation water, it is revealed as a problem. The plant species exhibit different mechanisms of tolerance to salt, in some cases, allowing their survival and production. Thus, the research aimed to evaluate the tolerance of four ornamental species to increasing levels of salinity of irrigation water and different modes of supply of water. The research was conducted in a protected environment, in the period from September to November 2015, in the experimental area of the weather station at the University Campus of Pici, the Federal University of Ceará, Fortaleza - Ceará. The treatments were distributed in randomized blocks, arranged in a split plot design with four replications with six levels of salinity of irrigation water to the plots (A1 - 0.6; A2 - 1.2; A3 - 1.8; A4 - 2 4; A5 - 3.0 and A6 - 3.6 dS/m), two modes of irrigation in the subplots (M1 - localized irrigation and M2 - not localized irrigation) and four ornamental species in subsubplots (E1 - Catharanthus roseus; E2 - Allamanda cathartica; E3 - Ixora coccinea and E4 - Duranta erecta), with 48 plants in each block, totaling one hundred ninety-two experimental units. The seedlings of ornamentals were transferred to plastic pots with a volume of 7 liters filled with a gravel layer and substrate, comprising a mixture of sand and earthworm humus, in the ratio 2:1 respectively. They were evaluated biometric, physiological, nutritional and sensorial parameters in plants. The most appropriate variables to classify the species as tolerance to salinity, are related to biomass production. The species are more sensitive to the irrigation method not located than the localized mode. The species that are more tolerant to salinity of irrigation water were Catharanthus roseus and Ixora coccinea.
O comércio mundial de flores e plantas ornamentais, do qual o ramo mais expressivo é o de flores de corte, seguido pelo de plantas vivas, é um segmento importante economicamente para o Brasil, sobretudo, para a região Nordeste. Embora a região Nordeste apresente condições climáticas favoráveis ao cultivo de flores e plantas ornamentais, a água de irrigação de baixa qualidade, revela-se como um problema. As espécies vegetais apresentam diferentes mecanismos de tolerância aos sais, em alguns casos, permitindo sua sobrevivência e produção. Dessa forma, a pesquisa objetivou avaliar a tolerância de quatro espécies ornamentais a níveis crescentes de salinidade da água de irrigação e diferentes modos de fornecimento da água. A pesquisa foi desenvolvida em ambiente protegido, no período de setembro a novembro de 2015, na área experimental da Estação Agrometeorológica, no Campus Universitário do Pici, da Universidade Federal do Ceará, município de Fortaleza – Ceará. Os tratamentos foram distribuídos em blocos casualizados, arranjados em parcelas subsubdivididas, com quatro repetições, com seis níveis de salinidade da água de irrigação nas parcelas (A1 - 0,6; A2 – 1,2; A3 – 1,8; A4 – 2,4; A5 – 3,0 e A6 – 3,6 dS/m), dois modos de irrigação nas subparcelas (M1 - irrigação localizada e M2 - irrigação não localizada) e quatro espécies ornamentais nas subsubparcelas (E1 - Catharanthus roseus; E2 - Allamanda cathartica; E3 - Ixora coccinea e E4 - Duranta erecta), com 48 plantas em cada bloco, totalizando cento e noventa e duas unidades experimentais. As mudas das espécies ornamentais foram transplantadas para vasos de material plástico, com volume de 7 litros, preenchidos com uma camada de brita e com substrato, composto por uma mistura de areia e húmus de minhoca, na proporção de 2:1, respectivamente. Foram avaliados parâmetros biométricos, fisiológicos, nutricionais e sensoriais nas plantas. As variáveis mais adequadas para classificar as espécies, quanto a tolerância a salinidade, são as relacionadas a produção de biomassa. As espécies são mais sensíveis à irrigação pelo modo não localizado do que ao modo localizado. As espécies que se mostraram mais tolerantes a salinidade da água de irrigação foram a Catharanthus roseus e Ixora coccinea.
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Tsai, Jia-Chen, and 蔡佳真. "Identification and Molecular characterization of Novel Viruses Isolated from Ixora (Ixora duffii cv.‘Super King’)in Taiwan." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/38387406855583627403.

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碩士
國立屏東科技大學
植物保護系
93
Ixora(Ixora duffii cv. ‘Super King’)is an ornamental shrub which widely spreads in Taiwan. A virus-like disease that mainly showed mosaic on leaves of Ixora plants was observed since 1994 at Nei Pu, Pingtung, but remains undescribed. It is a disease of complex infection as more than two types of virus-like particles (VLPs) were observed in the crude saps of infected Ixora. Two virus-like particles, a rigid rod and an icosahedron, have been mechanical inoculation to Chenopodium quinoa, and called BNL, YL isolate. The rigid-rod VLP is about 300 × 18 nm in size. Its characteristic stability has been shown to has a thermal inactivation point (TIP) of 65 - 70 ℃, a dilution end point (DEP) of 10-9 - 10-10, and a longevity in vitro (LIV) of more than 14 months at both 24 and -70 ℃. The host range tests indicate this BNL isolate infects at least 34 species of plants among 7 families when inoculated mechanically. The BNL isolate had been purified and the purified virus preparations had been used for antiserum production. The BNL isolate showed 17.5 kDa in SDS-polyacrylamide gel. It reacted positively not only to homologous antiserum but also to antesera against some Tobamoviruses, i.e. Tomato mosaic virus (ToMV), Odontoglosum ringspot virus (ORSV) and Cucumber green mottle mosaic virus (CGMMV), in serological tests of SDS-immunodiffusion test, indirect ELISA and Western blotting. The cDNA of coat protein (CP) gene had been amplified with Tobamovirus-specific degenerate primers in reverse transcription-ploymerase chain reaction (RT-PCR) and had been cloned. The cloned CP cDNA segments consisted of 480 nucleotides and showed 97.9 - 99.0 % and 97.5 - 98.8 % identity in the nucleotide and amino acid levels, respectively, to those of published ToMV CP genes. The other spherical VLP is an icosahedron with a diameter of 25 nm and infects 31 species of plants among 8 families when inoculated mechanically to test plants. The stability has been shown to has a TIP of 65 - 70 ℃, a DEP of 10-5 - 10-6 and a LIV of 14 days at 24 ℃ and 3 months at -70 ℃. The purified preparation of the YL isolate showed a 3-band pattern of dissociated CP, with molecular weights of 12, 14, 15 kDa, in stained SDS-polyacrylamide gel. Serological tests of Western boltting and indirect ELISA showed the YL isolate reacted positively with homologous and TAV (#092) antisera respectively. The cloned CP cDNA consisted of 780 nucleotides and shared 95.9 - 98 % and 90.9 - 98.2 % identity in the nucleotide and amino acid levels, respectively, to those of Tomato aspermy virus(TAV)CP genes. Accumulated data indicate that the studied VLPs isolated from mosaic Ixora plants are strains of ToMV as well as TAV and designated as ToMV-Ix and TAV-Ix, respectively. Both are novel records of viruses that infecting Ixora spp. in Taiwan.
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Chen, Li-Yun, and 陳麗筠. "Floral Development and Florweing Regulation of Ixora." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/20318370211316230218.

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博士
國立中興大學
園藝學系
92
Experiments were conducted on six-month-old Chinese ixora (Ixora chinensis Lam.) from February 1999 to April 2000. Floral development was studied with scanning electron microscopy (SEM) to determine the flowering sequences. Morphological characters were used to clarify the stages of flowering processes. The time of organogenesis and flowering arrangement was established through field observations. Floral evocation occurred in early September, floral initiation occurred in the middle of September and floral differentiation began in late September. A distinctly convex apex with bracts around the shoulder indicated the beginning of reproductive development. Subsequently, primary inflorescence axes were observed and differentiated into secondary, tertiary, and quaternary inflorescence axes consecutively in about one and a half months. Once the terminal apex reached the inflorescence bud stage, it would flower without abortion, and this may be assessed as ‘no return’. The sepals, petals, stamens, and pistil were well developed thereafter and anthesis was achieved in January through March in the following year. The observation of floral differentiation sequences and investigation of floret arrangement made it certain that Chinese ixora had cymose inflorescence (cyme), but not corymb. A quadratic equation was established to predict floret number from the differentiation level (a quantitative description of differentiation stage) of a developed inflorescence.
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Liao, Yung-Chih, and 廖永智. "Chemical Constituents and their bioactivity of Ixora coccinea." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/05619006596572034102.

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碩士
高雄醫學大學
天然藥物研究所
97
Ixora coccinea Linn. (Rubiaceae) is an evergreen shrub, endemic in the tropics of Asia and Africa. Previously, the natural compounds from the genus Ixora such as lupeol, ursolic acid, and oleanolic acid were reported to show cytotoxicity and antiviral activity. The natural compounds and their bioactivity of this plant has not been studied yet. We collected the aerial part of Ixora coccinea and extracted with the material with MeOH. And the extract was partitioned to yeild n-hexane, CHCl3 and H2O- layers. The CHCl3 layer exhibited 77.91 % ( induced by collagen, 3 μg/ml ) antiplatelet aggregation activity and cytotoxicity .In this current study, we isolated 30 compounds from this species, including lupeol (1), 3-acetyl-betulic acid (2), betunolic acid (3), β-amyrin (4), oleanonic acid (5), α-amyrin (6), ursolic acid (7), 3-acetyl ursolic acid (8), 6β-hydroxystigmast-4-en-3-one (9), sitosteryl-3-O-β-D-glucoside (10), kaempferol (11), kaempferol- 7-O-α-L-rhamnoside (12), kaempferitrin (13), (-)-epi-catechin (14), (-)- catechin(15), luteolin (16), epicatechin-(4β??8, 2β?袞??7) – ent-epicatechin (17), scopoletin (18), coumarin (19), threo-1’,2’-albiflorin (20), 16α-hydro-19-acetoxy-(-)-kauran-17-oic acid (21), 16α-hydro-19-ol-(-) -kauran-17-oic acid (22), 1,4-dihydroxy-3-methyl-anthraquninone (23), ixoropeptide-I (24)*, ixoropeptide-II (25)*, α-tocopheryl quinone (26), 2,3-dihydroxypropyl-eicosanoic ester (27), oleic acid (28), β-sitosteroid XVII (29) and, stigmasteroid (30). Among them, compounds 24 and 25 are new compounds and the structures of these compounds were identified by spectroscopy data. In the anti-platelet aggregation assay, compounds 11、14、 15 and 16 showed mild anti-platelet aggregation activity induced by collagen (IC50< 10 μg/ml), especially, compounds 11 and 16 had significant result with IC50 3.55 and 2.56 μg/ml, respectively. In addition, the pure compounds were subjected to the anti-inflammatory assay. The result showed that compounds 25 had great inhibitory effects on superoxide anion generation with IC50 0.21 ± 0.01 μg/ml and elastase release 0.27 ± 0.03 μg/ml.
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Chen, Yu-Miao, and 陳俞妙. "Studies on fertility and height control of Ixora." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/83268772224368756161.

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碩士
國立嘉義大學
農學研究所
91
The results of pollen germination and growth of Ixora showed as follows:The effects of temperature, medium components, sucrose concentration, pH value and proline concentration on pollen germination and growth in vitro varied with species and cultivars. The higher temperature, the higher pollen germination. The pollen germination both Ixora williamsii‘Sunkist’ and Ixora williamsii‘Dwarf Yellow’cultured at 30℃ and 35℃ were 30.29% and 29.13%,24.95% and 35.49% respectively. No pollen or a few pollens germinated among all of species and cultivars grown at 15℃. The best medium components for pollen germination of Ixora williamsii‘Dwarf Yellow’ and Ixora williamsii‘Sunkist’were boric acid 100mg/L, sucrose 10-20%, pH adjusted to pH5-6. Additional proline at 5.0-7.5mg/mL supplement in the medium resulted increase in the pollen germination for Ixora williamsii‘Sunkist’. No pollen germination in Ixora duffii‘Super King’was found whatever medium formula and temperature regime. The results of pollen germination and growth in vivo showed as follows:Pollen could germinated on the stigma and penetrated into the style in self- and cross-pollinated between Ixora williamsii‘Dwarf Yellow’ and Ixora williamsii‘Sunkist’grown at greenhouse or 25℃ day/night temperature incubator . However, pollen tubes were stunted at upper 1/3 position of style after 48 hours pollination. Pollen tubes could extend to the basal style in self-pollinated Ixora williamsii‘Dwarf Yellow’ and cross-pollinated Ixora williamsii‘Sunkist’× Ixora williamsii‘Dwarf Yellow’ grown at 30℃ after 48 hours pollination. However, only a few pollen tubes reached the basal style. Although most pollen tubes extended to the basal style in Ixora williamsii‘Sunkist’× Ixora williamsii‘Dwarf Yellow’, pollen tube growth stunted and showed reverse growth at upper 1/3 position length of style in self-pollinated Ixora williamsii‘Sunkist’. Pollen germinated well on the stigma, but only a few tiny pollen tubes showed in style of Ixora chinensis × Ixora williamsii‘Sunkist’. Pollen germinated well on the stigma too, however, pollen tube growth stunted at upper 2/3 position of style. No pollen germinated on the stigma which Ixora chinensis or Ixora duffii‘Super King’ was used as a male parent. The inhibition site of pollen tube growth located in the style, therefore, it is proposed that Ixora appeared the gametophytic incompatibility. Ixora chinensis showed low fertile and Ixora duffii‘Super King’ showed male sterility, therefore, no fruit set was found which Ixora chinensis or Ixora duffii‘Super King’ were used as male parent. The rate of fruit set and seed germination for Ixora williamsii‘Sunkist’× Ixora williamsii ‘Dwarf Yellow’ were 48.0% and 13.64% respectively. Paclobutrazol at 100、150、200、250 mg/L drenching treatments showed significantly reducing in the plant height, promoting flowering, increasing in leaf chlorophyll content. The recommended paclobutrazol concentrations for height control of Ixora duffii‘Super King’and Ixora × westii range from 100-200 mg/L and 100-150 mg/L respectively.
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Fan, Pei-Ching, and 范沛晴. "Effects of Ixora parviflora on anti-oxidation and anti-photoaging." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/14268651015394448672.

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碩士
中國醫藥大學
藥學系碩士班
98
Skin play an important role of effective barrier between the organism and the environment, however, exposure of the skin to UV radiation results in the development of inflammation and oxidative stress, which lead to photoaging. In recent years, it has become a trend to develop natural products for antiphotoaging. In this study, Ixora parviflora methanol extract was carried out for investigating the antiphotoaging activity and its mechanism. The extaction yield of Ixora parviflora (IPE) was 17.4±3.9%, its total phenol content of IPE was 26.2 ?慊 GAE/mg. The reducing capacity, the DPPH radical scavenging, the ferrous chelation, the hydroxyl radical scavenging, and the hydrogen peroxide scavenging activity of the IPE at 1000 ?慊/mL were 90.5±0.6%, 96.0±0.4%, 72.2±3.5%, 96.8±1.4%, and 99.5±3.3%, respectively. The IPE also possessed inhibitory activity 89.4±1.8% against AAPH-induced haemolysis of erythrocytes at 500 ?慊/mL, and it could scaveng about 52.9% ROS production at the same concentration after UV-induced in fibroblasts. In photoaging assay, the bacterial collagenase gelatin digestion inhibitory activity was 92.7±4.2% and elastase inhibitory activity was 32.6±1.4% at 1000 ?慊/mL. The results shown that UV 40 mJ/cm2 could significantly induce expression of MMP-1, -3, -9 in fibroblast, IPE could inhibit MMP-1 expression at 1, 5, 10 and 50 ?慊/mL, inhibit MMP-3 expression at 10 and 50 ?慊/mL, and inhibit MMP-9 expression at 5, 10 and 50 ?慊/mL. To find out the machemisn, the reults indicate IPE could decrease the expression of MMP-1, -3, -9 by inhibit phosphorylation of p38, ERK and JNK. Also, IPE could increase the TIMP-1 expression at 5 ?慊/mL. Besides, IPE could increase type I procollagen expression by decrease the Smad7 expression at 1, 5, 10 and 50 ?慊/mL. IPE could inhibit MMP-9 activity by gelatin zymography in the culture medium of fibroblast at 50 ?慊/mL and could increase total collagen synthesis in fibroblast. In the same time, we also demonstrated the anti-inflammation activity of IPE. The results shown that IPE could inhibit NO production induced by UV exprosure in fibroblast at 1, 5, 10 and 50 ?慊/mL, and could decrease COX-2 expression induced by UV exprosure in fibroblast at 5, 10 and 50 ?慊/mL. Indicate that IPE has anti-inflammation activity. IPE has no cytotoxicity in keratinocyte, melanoma and fibroblast, and with no irritation on skin and eyes. These findings shown that IPE exhibited anti-oxidant activity and anti-photoaging activity. The IPE could be a potential anti-aging agent from natural source.
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CHEN, LI-YUN, and 陳麗筠. "Effects of season, shading and pruning on the flowering of Ixora Chinensis lam." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/59789166889781609665.

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Weng, Tai-Min, and 翁苔閔. "Evaluation of the bioactivities of aqueous extracts from different color of Ixora and flowering plants." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/93514967590594994439.

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碩士
嘉南藥理科技大學
化粧品應用與管理系暨化粧品科技研究所
101
The purpose of this study was to evaluate the effects of anti-oxidation, anti-inflammation, anti-microorganism and cytotoxicity in flowers of different colors from Ixora and other flowering plants, then they were extracted with boiled water. The kinds of plants were Ixora × williamsii ‘Sunkist’, Ixora × williamsii ‘Dwarf Pink’, Ixora × williamsii ‘Dwarf Alba’, Ixora duffii ‘Super King’, Duranta repens Linn. and Lantana camara Linn. Extracts of these flowers were prepared by hot water, and lyophilized into dry powders to evaluate the series of biological activity. For the anti-oxidation activity assay, the extracts of I. × w. Dwarf Yellow showed the best antioxidant capacity, then the total phenolic content was 194.60 ± 0.63 mg GAE/g extract; the total flavonoid content was 168.45 ± 0.63 mg CE/g extract; for the scavenging effect of DPPH•, the EC50 was 23.12 ± 0.45 μg/mL; for the reducing power capacity test, the EC50 was 17.35 ± 0.85 μg/mL; for the Trolox equivalent total antioxidant capacity assay, the Trolox content was 2.204 ± 0.01 mmol TE/g extract; for the inhibition of lipid peroxidation assay, the extracts of I. × w. Dwarf Pink showed the best result, and the inhibition rate was 88.85 ± 0.48%; but on the study of ferrous ion chelating ability, all the sample’s EC50 value were above 3 mg/mL. For the anti-inflammatory activity assay, by the HA-zymography method, all the samples could inhibit the HAase activity, except D. repens and L. camara.The antimicrobial activity was determined by paper disc diffusion assay, in anti-Gram-positive bacteria, I. × w. Sunkist displayed the highest inhibitory effects against Staphylococcus aureus, and the inhibitory zones was 12.67 ± 0.58 mm, then I. × w. Dwarf Yellow showed the highest inhibitory effects against Bacillus subtilis, the inhibition zone was 13.17 ± 0.29 mm; in anti-Gram-negative bacteria, I. Super King displayed the highest inhibitory effects agains Escherichia coli, and the inhibitory zones was 10.50 ± 0.50 mm, then L. camara showed the highest inhibitory effects against Pseudomonas aeruginosa , the inhibition zone was 10.17 ± 0.76 mm; however, the anti-microbial activity in yeast, all the samples were no inhibitiory ability against Candida albicans; on the MIC and MMC test, the concentration of extract was above 1000 μg/mL. Finally, for the cell viability test, I. × w. Dwarf Pink and I. × w. Dwarf Alba had no cytotoxicity, and I. × w. Dwarf Alba seemed to be able to promote the cell proliferation; while I. × w. Sunkist, I. × w. Dwarf Yellow, I. Super King and D. repens had low cytotoxicity; although it is low cytotoxicity in L. camara, when extract’s dose increased and the cells would decrease the survival rate.
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Books on the topic "Ixora"

1

Friedrich, Pfaffe Joachim, ed. IXoa n!anga o nIIoaq!'ae ga: Jul'hoan nllaq'ara kxao Xraadisi 2-4. Windhoek, Namibia: Gamsberg Macmillan, 2006.

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Friedrich, Pfaffe Joachim, ed. IXoa n!anga o nIIoaq!'ae ga: Jul'hoan nllaq'ara kxao Xraadisi 2-4. Windhoek, Namibia: Gamsberg Macmillan, 2006.

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Friedrich, Pfaffe Joachim, ed. IXoa n!anga o nIIoaq!'ae ga: Jul'hoan nllaq'ara kxao Xraadisi 2-4. Windhoek, Namibia: Gamsberg Macmillan, 2006.

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Yeo, Jia Qi. Ixora. Austin Macauley Publishers Ltd., 2022.

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Yeo, Jia Qi. Ixora. Austin Macauley Publishers Ltd., 2022.

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Lantana Strangling Ixora. Mawenzi House, 2011.

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Swart, Samantha. Of Storm and Emerald: Gems of Ixora. Hoffa, Jessica, 2023.

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Swart, Samantha. Of Storm and Emerald: Gems of Ixora. Hoffa, Jessica, 2023.

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Swart, Samantha. Of Storm and Emerald: Gems of Ixora. Hoffa, Jessica, 2023.

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Paxton, Francisco. Growing Ixora at Home: The Easy Guide to Growing, Selecting, Displaying, Improving and Maintaining Ixora for Creative Homeowner. Independently Published, 2022.

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Book chapters on the topic "Ixora"

1

Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Ixora spp." In Encyclopedia of Plant Viruses and Viroids, 1284–85. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_491.

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Lim, T. K. "Ixora chinensis." In Edible Medicinal and Non Medicinal Plants, 730–33. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8748-2_59.

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Lim, T. K. "Ixora coccinea." In Edible Medicinal and Non Medicinal Plants, 734–44. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8748-2_60.

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Lim, T. K. "Ixora javanica." In Edible Medicinal and Non Medicinal Plants, 745–47. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8748-2_61.

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Khare, C. P. "Ixora coccinea Linn." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_816.

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Khare, C. P. "Ixora pavetta Andr." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_817.

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Dapar, Mark Lloyd Granaderos. "Ixora philippinensis Merr. Rubiaceae." In Ethnobotany of Mountain Regions, 1–5. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-14116-5_218-1.

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Khare, C. P. "Ixora javanica (Blume) DC." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_818.

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Dapar, Mark Lloyd Granaderos. "Ixora philippinensis Merr. Rubiaceae." In Ethnobotany of Mountain Regions, 573–77. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-38389-3_218.

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Michaeli, R., S. Philosoph-Hadas, J. Riov, and S. Meir. "Role of Ethylene Sensitivity in Mediating the Chilling-Induced Leaf Abscission of Ixora Plants." In Biology and Biotechnology of the Plant Hormone Ethylene II, 235–42. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4453-7_42.

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Conference papers on the topic "Ixora"

1

Basak, Rhea, Manikanth Karnati, Aditi Naik, Gagan Raju, Sharmila Sajankila Nadumane, and Nirmal Mazumder. "UV-Vis Spectroscopy Analysis of Chlorophyll Degradation in Ornamental Plants." In Frontiers in Optics. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/fio.2023.fd5.5.

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The chlorophyll degradation was studied on the dorsal and ventral surfaces of leaves of ornamental plants (Bougainvillea sp., Ixora coccinea, Allamanda sp., and Jasminum sambac) in the span of six days using a UV-Vis spectrograph.
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PURWANTORO, R. SUBEKTI. "Dinamika produksi vegetatif dan generatif Ixora pseudojavanica dan I. coccinea dalam merespons beberapa faktor klimatik." In Seminar Nasional Masyarakat Biodiversitas Indonesia. Masyarakat Biodiversitas Indonesia, 2016. http://dx.doi.org/10.13057/psnmbi/m020113.

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Oh, Hayoung, Junjie Lee, Suchul Lee, and Chong-Kwon Kim. "iXOR-Intelligent XOR Using Holding-chi Strategy in Ad Hoc Networks." In 2011 IEEE Vehicular Technology Conference (VTC 2011-Spring). IEEE, 2011. http://dx.doi.org/10.1109/vetecs.2011.5956682.

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