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Journal articles on the topic 'Plants – Madagascar'

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1

Procheş, Şerban, and Syd Ramdhani. "Analyses towards determining Madagascar’s place in global biogeography." Current Zoology 58, no. 3 (2012): 363–74. http://dx.doi.org/10.1093/czoolo/58.3.363.

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Abstract The relationships of Madagascan plant and animal taxa have been the object of much fascination, Madagascar sharing numerous lineages with Africa, others with Asia, Australia, or the Americas, and many others being of uncertain relationships. In commonly accepted global regionalization schemata, Madagascar is treated together with Africa for animals, and with Africa, tropical Asia and the Pacific islands in the case of plants. Here we examine the similarities between the biotic assemblages of (i) tropical Africa, (ii) Madagascar, and (iii) the rest of the world, on a basic taxonomic le
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2

Britt, Adam, Colin Clubbe, and Tianjanahary Ranarivelo. "Conserving Madagascar's Plant Diversity: Kew's Madagascar Threatened Plants Project." Curtis's Botanical Magazine 21, no. 4 (2004): 258–64. http://dx.doi.org/10.1111/j.1355-4905.2004.0449a.x.

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3

Rabakonandrianina, Elisabeth, and Gerald D. Carr. "Chromosome Numbers of Madagascar Plants." Annals of the Missouri Botanical Garden 74, no. 1 (1987): 123. http://dx.doi.org/10.2307/2399268.

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4

Lahaye, R., Z. Yang, Y. Bouchenak-Khelladi, et al. "A synchronous colonization of Madagascar by plants?" South African Journal of Botany 74, no. 2 (2008): 371. http://dx.doi.org/10.1016/j.sajb.2008.01.074.

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5

Hudson, J. B., M. K. Lee, and P. Rasoanaivo. "Antiviral Activities In Plants Endemic To Madagascar." Pharmaceutical Biology 38, no. 1 (2000): 36–39. http://dx.doi.org/10.1076/1388-0209(200001)3811-bft036.

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6

Albert-Daviaud, Aurélie, Sarah Perillo, and Wolfgang Stuppy. "Seed dispersal syndromes in the Madagascan flora: the unusual importance of primates." Oryx 52, no. 3 (2018): 418–26. http://dx.doi.org/10.1017/s0030605317001600.

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AbstractMadagascar is one of the most threatened biodiversity hotspots, and protection of its biodiversity is becoming increasingly urgent as deforestation of the island continues. For the long-term success of conservation efforts it is essential that key ecological processes, such as seed dispersal, are protected and restored. Therefore, the identification of ecological gaps is a vital task. For Madagascar, only little is known about plant–animal interactions, and traditional methods of ecological research are too time-consuming to provide crucial information about breakdowns in these interac
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7

Novy, Julia W. "Medicinal plants of the eastern region of Madagascar." Journal of Ethnopharmacology 55, no. 2 (1997): 119–26. http://dx.doi.org/10.1016/s0378-8741(96)01489-4.

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8

Rasoanaivo, P., A. Petitjean, S. Ratsimamanga-Urverg, and A. Rakoto-Ratsimamanga. "Medicinal plants used to treat malaria in Madagascar." Journal of Ethnopharmacology 37, no. 2 (1992): 117–27. http://dx.doi.org/10.1016/0378-8741(92)90070-8.

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9

BEN-DOV, YAIR. "On new taxa and some described armoured scale insects (Hemiptera: Diaspididae) living in the galleries of the ant Melissotarsus insularis Santschi (Hymenoptera: Formicidae) in Madagascar." Zootaxa 2368, no. 1 (2010): 49. http://dx.doi.org/10.11646/zootaxa.2368.1.3.

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Melissoaspis n.gen. is established for two species, namely Melissoaspis fisheri n. sp. and Melissoaspis reticulata n. sp., and a further new species is also described, Morganella formicaria n. sp. all from Madagascar. All the above-mentioned scale insects were collected from galleries of the ant Melissotarsus insularis Santschi (Hymenoptera: Formicidae) on the trunk of various species of host plants in Madagascar. New data on the distribution, host plants and life history are given for Melanaspis madagascariensis Mamet, and for Morganella conspicua (Brain).
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10

Holcomb, G. E. "First Report of Sclerotium rolfsii on Catharanthus roseus." Plant Disease 84, no. 2 (2000): 200. http://dx.doi.org/10.1094/pdis.2000.84.2.200d.

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Wilt, blight, and stem necrosis were observed on Catharanthus roseus (L.) G. Don ‘Mediterranean Deep Rose’ (MDR) plants (Madagascar or rose periwinkle) in August 1999 at Burden Research Plantation in Baton Rouge, LA. MDR was the only prostrate-form cultivar and the only cultivar of 11 that was diseased. Twelve of twenty-four plants of cv. MDR were killed in the trial planting. White mycelia and small (1 mm diameter) light brown sclerotia were present at the base of infected plants. The suspect fungus was isolated consistently on acidified water agar and maintained on acidified potato dextrose
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11

Onjalalaina, Guy E., Carole Sattler, Maelle B. Razafindravao, et al. "Ethnobotanical Survey in Tampolo Forest (Fenoarivo Atsinanana, Northeastern Madagascar)." Forests 12, no. 5 (2021): 566. http://dx.doi.org/10.3390/f12050566.

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Background: Madagascar shelters over 14,000 plant species, of which 90% are endemic. Some of the plants are very important for the socio-cultural and economic potential. Tampolo forest, located in the northeastern part of Madagascar, is one of the remnant littoral forests hinged on by the adjacent local communities for their daily livelihood. However, it has considerably shrunk due to anthropogenic activities forming forest patches. Thus, documenting the useful plants in and around the forest is important for understanding the ethnobotany in this area. Methods: In this study we (1) collected a
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12

Radford, I. J., P. Muller, S. Fiffer, and P. W. Michael. "Genetic relationships between Australian fireweed and South African and Madagascan populations of Senecio madagascariensis Poir. and closely related Senecio species." Australian Systematic Botany 13, no. 3 (2000): 409. http://dx.doi.org/10.1071/sb98029.

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An isozyme and morphological study of Senecio madagascariensis Poir. and closely related species in Australia, South Africa and Madagascar was used to investigate the most likely region of origin for Australian plants known as fireweed. Collections of seed and voucher specimens were made in New South Wales, KwaZulu-Natal, East and West Cape Provinces and southern Madagascar and specimens classified according to recognised taxa or descriptive variants. Plants were characterised by using isozyme analyses and morphological observations of both voucher specimens and achenes. Australian fireweed po
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13

Holcomb, G. E., and D. E. Carling. "First Report of Web Blight Caused by Rhizoctonia solani on Catharanthus roseus in Louisiana." Plant Disease 86, no. 11 (2002): 1272. http://dx.doi.org/10.1094/pdis.2002.86.11.1272c.

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Web (aerial) blight was observed in field plots of Catharanthus roseus (L.) G. Don (Madagascar periwinkle) during three consecutive summers at the Burden Research Center in Baton Rouge. Leaf spots formed first, followed by a general blighting of leaves and stems that resulted in circular areas of dead plants in the plots. Dead leaves were matted together but remained attached to plants. Mycelia, and occasionally small, brown sclerotia (1 to 3 mm) were observed on blighted foliage. During the first year, only prostrate-growing cultivars belonging to the Mediterranean series of C. roseus were in
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14

Rakotomalala, M. R., B. B. Abera, A. Pinel-Galzi, J. Rakotoarisoa, D. Alemu, and D. Fargette. "First Report of Rice yellow mottle virus in Rice in Federal Democratic Republic of Ethiopia." Plant Disease 98, no. 10 (2014): 1449. http://dx.doi.org/10.1094/pdis-05-14-0531-pdn.

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Rice yellow mottle virus (RYMV, genus Sobemovirus) is a major biotic constraint to rice production in Africa. First reported in Kenya in 1966, RYMV was later found in most countries in Africa where rice (Oryza sativa, O. glaberrima) is grown (5). In the Federal Democratic Republic of Ethiopia, however, the disease has never been reported in rice fields. In September 2012, plants with leaf yellowing and mottling symptoms were observed near Bahir Dar and in the Fogera district in the northwestern part of the country during a joint survey of scientists from Madagascar (FOFIFA), Ethiopian Institut
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15

Herrera, Michael B., Vicki A. Thomson, Jessica J. Wadley, et al. "East African origins for Madagascan chickens as indicated by mitochondrial DNA." Royal Society Open Science 4, no. 3 (2017): 160787. http://dx.doi.org/10.1098/rsos.160787.

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The colonization of Madagascar by Austronesian-speaking people during AD 50–500 represents the most westerly point of the greatest diaspora in prehistory. A range of economically important plants and animals may have accompanied the Austronesians. Domestic chickens ( Gallus gallus ) are found in Madagascar, but it is unclear how they arrived there. Did they accompany the initial Austronesian-speaking populations that reached Madagascar via the Indian Ocean or were they late arrivals with Arabian and African sea-farers? To address this question, we investigated the mitochondrial DNA control reg
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16

Miller, James S., and Holly A. Porter Morgan. "Assessing the effectiveness of Madagascar’s changing protected areas system: a case study of threatened Boraginales." Oryx 45, no. 2 (2011): 201–9. http://dx.doi.org/10.1017/s0030605310000803.

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AbstractThreat analyses of the Boraginales were conducted and used to assess the effectiveness of Madagascar’s current and proposed protected area systems in conserving the threatened species of a group of plants widespread in Madagascar. Specimen locality data for 52 species of four families of Boraginales were analysed to provisionally assign species to IUCN Red List categories. Six species were excluded from these global analyses as they are non-native and introduced. IUCN’s criterion B, analysis of geographical range, was found to be the most reliable means of estimating threat, and predic
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17

Steffens, Kim J. E. "Lemur food plants as options for forest restoration in Madagascar." Restoration Ecology 28, no. 6 (2020): 1517–27. http://dx.doi.org/10.1111/rec.13234.

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18

Rakotondrafara, Andriamalala, Roland Rakotondrajaona, Marrino Rakotoarisoa, Michel Ratsimbason, Vincent Emile Rasamison, and Stephan Richard Rakotonandrasana. "Ethnobotany of medicinal plants used by the Zafimaniry clan in Madagascar." Journal of Phytopharmacology 7, no. 6 (2018): 483–94. http://dx.doi.org/10.31254/phyto.2018.7606.

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During an ethnobotanical survey conducted among the Zafimaniry clan in the Amoron'i Mania region of Madagascar, 164 medicinal plants species from 138 genera and 73 families are recorded to be used by local people to treat 65 different types of human diseases. The most prescribed species belong to Asteraceae (30 species), Fabaceae (8 species), Rubiaceae (7 species) Poaceae (6 species) and Solanaceae (7 species) botanical families. Helichrysum was the most cited genus with 6 species. The main pathologies treated with medicinal plants are abdominal colic (10.5%) using 25 species, cough (7.2%, 23
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19

Scholz, Stephan, and Hans Grasmück. "Der Oasis Park auf Fuerteventura, ein Vergnügungspark mit botanischem Garten." Der Palmengarten 78, no. 1 (2014): 50–61. http://dx.doi.org/10.21248/palmengarten.226.

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Oasis Park Fuerteventura is a big amusement park with a zoological and a botanical garden.The latter is described here. In this garden, plants of the Canary Islands are cultivated, including rare endemic species. Plants of different ecosystems like succulent scrub and thermophilous forest are displayed.The garden also hosts many other plants, including tropical tree and shrub species and many different palms, as well as a large succulent plant assemblage with cacti, succulent plants from Madagascar, aloes, yuccas and agaves.
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20

Razafindraibe, Mendrika, Alyse R. Kuhlman, Harison Rabarison, et al. "Medicinal plants used by women from Agnalazaha littoral forest (Southeastern Madagascar)." Journal of Ethnobiology and Ethnomedicine 9, no. 1 (2013): 73. http://dx.doi.org/10.1186/1746-4269-9-73.

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21

Holland, Peter, and Sherry Olson. "Introduced versus native plants in austral forests." Progress in Physical Geography: Earth and Environment 13, no. 2 (1989): 260–93. http://dx.doi.org/10.1177/030913338901300205.

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Despite the concern of some nineteenth- and early twentieth-century biologists, relatively few alien species have become established in undisturbed forests of Australia, Madagascar or New Zealand. All three countries have large 'naturalized' floras adapted to frequent disturbance. The short-term advantages of these alien plants - short life cycles, fast growth, abundant seed and plasticity of habit - have allowed them to cover large areas of disturbed ground and to coexist with native plants in early successional vegetation. Very few persist in mature forest. The threat to the austral forests
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22

Hou, Y., and L. Harinantenaina. "New and Bioactive Natural Products Isolated from Madagascar Plants and Marine Organisms." Current Medicinal Chemistry 17, no. 12 (2010): 1191–219. http://dx.doi.org/10.2174/092986710790827834.

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23

Ohashi, Keiko K., Taro Fukuyama, Akira Nakai, Hitohide Usami, Eiichi Ono, and Hiroyuki Watanabe. "Growth and alkaloids production in Madagascar periwinkle plants grown under red LED." IFAC Proceedings Volumes 46, no. 4 (2013): 274–77. http://dx.doi.org/10.3182/20130327-3-jp-3017.00063.

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24

Feeley-Harnik, Gillian. "Plants and People, Children or Wealth: Shifting Grounds of "Choice" in Madagascar." PoLAR: Political html_ent glyph="@amp;" ascii=""/ Legal Anthropology Review 18, no. 2 (1995): 45–64. http://dx.doi.org/10.1525/pol.1995.18.2.45.

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25

Rabearivony, Aina D., Alyse R. Kuhlman, Zo L. Razafiariso, et al. "Ethnobotanical Study of the Medicinal Plants Known by Men in Ambalabe, Madagascar." Ethnobotany Research and Applications 14 (January 25, 2015): 123. http://dx.doi.org/10.17348/era.14.0.123-138.

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26

Fleischmann, Andreas S., Nivo H. Rakotoarivelo, Aymeric Roccia, et al. "A new and endemic species of Drosera (Droseraceae) from Madagascar." Plant Ecology and Evolution 153, no. 2 (2020): 283–91. http://dx.doi.org/10.5091/plecevo.2020.1705.

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Background and aims – This study is part of an ongoing revision of the world Drosera species. During herbarium revisions of Drosera from Madagascar, a new species was identified and is here described.Methods – The species’ morphology is described based on herbarium studies and observation of living plants in situ, and ecological notes from field observations are provided. The species is compared and contextualized within the current subgeneric classification of Drosera.Key results – The new species, Drosera arachnoides, is recognized as most closely related to another Malagasy-endemic, D. humb
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27

Kwibuka, Yves, Espoir Bisimwa, Arnaud G. Blouin, et al. "Novel Ampeloviruses Infecting Cassava in Central Africa and the South-West Indian Ocean Islands." Viruses 13, no. 6 (2021): 1030. http://dx.doi.org/10.3390/v13061030.

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Cassava is one of the most important staple crops in Africa and its production is seriously damaged by viral diseases. In this study, we identify for the first time and characterize the genome organization of novel ampeloviruses infecting cassava plants in diverse geographical locations using three high-throughput sequencing protocols [Virion-Associated Nucleotide Acid (VANA), dsRNA and total RNA], and we provide a first analysis of the diversity of these agents and of the evolutionary forces acting on them. Thirteen new Closteroviridae isolates were characterized in field-grown cassava plants
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Abrahamczyk, Stefan, and Eberhard Fischer. "Impatiens elianae (Balsaminaceae), a new species from central Madagascar, with notes on the taxonomic relationship of I. lyallii and I. trichoceras." Phytotaxa 226, no. 1 (2015): 83. http://dx.doi.org/10.11646/phytotaxa.226.1.8.

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The new species Impatiens elianae is described from cultivated plants said to have been collected in central Madagascar. It is part of the I. lyallii complex and closely related to I. trichoceras from eastern central Madagascar, but differs in having a glossy lamina with silvery part in the centre, linear extrafloral nectaries, 2-flowered inflorescences, relatively long hairs (0.8–1.2 mm) on the sepals, larger size and shape of the broad ovate crest at the dorsal side of the dorsal petal, shorter spur, and (3–) 5 rows of pink hairs on the ovary and fruit. Impatiens trichoceras is taken from th
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KUMAR, Dr D. SURESH. "THE BAOBAB TREE." Hygeia J. D.Med.10 (1) August 2018 - January 2019 10, no. 1 (2018): 1–2. http://dx.doi.org/10.15254/h.j.d.med.10.2018.16.

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Trees are known to live for many years. Gautama Buddha attained enlightenment while meditating underneath a peepal tree (Ficus religiosa). A branch of the original tree was rooted in Anuradhapura, Sri Lanka in 288 B.C. and is known as Jaya Sri Maha Bodhi. It is the oldest plant in the world. Long-living plants are found in many parts of the world. The Baobab tree is one among them. Baobab is the common name of a genus of trees (Adansonia) distributed in Madagascar, Africa, Australia and India. The Baobab is the national tree of Madagascar. The Baobab is also known as “bottle tree”, “the tree o
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30

Light, Marnie. "Medicinal and Aromatic Plants of Indian Ocean Islands: Madagascar, Comoros, Seychelles and Mascarenes." South African Journal of Botany 70, no. 4 (2004): 679. http://dx.doi.org/10.1016/s0254-6299(15)30215-5.

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31

Razafintsalama, V. E., S. T. Ralambonirina Rasoarivelo, F. Randriamialinoro, et al. "Antibacterial activities of fourteen medicinal plants from the endemic plant diversity of Madagascar." South African Journal of Botany 112 (September 2017): 303–6. http://dx.doi.org/10.1016/j.sajb.2017.06.006.

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32

Herrera, James P. "Interactions between plants and primates shape community diversity in a rainforest in Madagascar." Journal of Animal Ecology 85, no. 4 (2016): 982–93. http://dx.doi.org/10.1111/1365-2656.12532.

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33

Gérard, Anne, Jörg U. Ganzhorn, Christian A. Kull, and Stéphanie M. Carrière. "Possible roles of introduced plants for native vertebrate conservation: the case of Madagascar." Restoration Ecology 23, no. 6 (2015): 768–75. http://dx.doi.org/10.1111/rec.12246.

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34

Rasoanaivo, P., and S. Ratsimamanga-Urverg. "Alkaloids from plants of Madagascar in the treatment of drug-resistant Plasmodium malaria." Pure and Applied Chemistry 66, no. 10-11 (1994): 2291–94. http://dx.doi.org/10.1351/pac199466102291.

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35

Dai, Yumin, Yixi Liu, and L. Harinantenaina Rakotondraibe. "Novel Bioactive Natural Products Isolated from Madagascar Plants and Marine Organisms (2009–2017)." Chemical and Pharmaceutical Bulletin 66, no. 5 (2018): 469–82. http://dx.doi.org/10.1248/cpb.c17-00395.

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36

Ranjarisoa, Lala Nirina, Noëline Razanamihaja, and Herintsoa Rafatro. "Use of plants in oral health care by the population of Mahajanga, Madagascar." Journal of Ethnopharmacology 193 (December 2016): 179–94. http://dx.doi.org/10.1016/j.jep.2016.07.076.

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37

Dey, K. K., M. J. Melzer, S. Xiaoan, and S. Adkins. "Tomato chlorotic spot virus Identified in Marsdenia floribunda in Florida." Plant Health Progress 18, no. 2 (2017): 144–45. http://dx.doi.org/10.1094/php-05-17-0030-br.

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Marsdenia floribunda (Brongn.), also known as Madagascar jasmine, waxflower, and Hawaiian wedding flower, is a flowering plant in the milkweed family, Apocynaceae, and is native to Madagascar. Marsdenia floribunda plants with typical tospovirus symptoms were found in a Miami-Dade County nursery. Representative leaf tissue tested positive in serological testing with commercially available reagents, indicating the presence of one or more tospoviruses. RT-PCR analysis was used to confirm Tomato chlorotic spot virus (TCSV). This is the first report of TCSV infection of M. floribunda in Florida or
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Beaujard, Philippe. "The first migrants to Madagascar and their introduction of plants: linguistic and ethnological evidence." Azania: Archaeological Research in Africa 46, no. 2 (2011): 169–89. http://dx.doi.org/10.1080/0067270x.2011.580142.

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Beidokhti, M. N., E. S. Lobbens, P. Rasoavaivo, D. Staerk, and A. K. Jäger. "Investigation of medicinal plants from Madagascar against DPP-IV linked to type 2 diabetes." South African Journal of Botany 115 (March 2018): 113–19. http://dx.doi.org/10.1016/j.sajb.2018.01.018.

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40

Ramanankonenana, T., L. Ravelonarivo, R. Andriamifaliharimanana, S. Ramananarivo, and R. Ramananarivo. "Socio-economic impacts of the Brassica oleracea plants on Antananarivo city’s vegetable supply, Madagascar." Acta Horticulturae, no. 1267 (January 2020): 241–46. http://dx.doi.org/10.17660/actahortic.2020.1267.36.

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Rajaonarivelo, Mialy, Olga L. Rakotonandrasana, Marie-Thérèse Martin, Vincent Dumontet, and Philippe Rasoanaivo. "A New Polycyclic Polyprenylated Acylphloroglucinol Derivative from Garcinia verrucosa." Natural Product Communications 11, no. 7 (2016): 1934578X1601100. http://dx.doi.org/10.1177/1934578x1601100734.

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In our continuing phytochemical screening program aimed at finding major constituents of endemic Madagascar plants as potential templates for semisynthesis, we investigated the ethyl acetate extract of stem bark of Garcinia verrucosa. Fractionation of the extract led to the isolation of the major compound named garcicosin. Its structure was elucidated by spectroscopic methods including 1D and 2D homo- and heteronuclear NMR techniques (COSY, HSQC, HMBC and NOESY), and HR-mass spectrometry.
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Garibaldi, A., D. Bertetti, and M. L. Gullino. "First Report of Leaf Blight Caused by Rhizoctonia solani AG 1B on Madagascar Periwinkle (Catharanthus roseus) in Italy." Plant Disease 90, no. 10 (2006): 1361. http://dx.doi.org/10.1094/pd-90-1361c.

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Madagascar periwinkle (Catharanthus roseus), a plant belonging to the Apocynaceae family, is used for parks and gardens and sometimes grown in pots. At the end of the summer of 2005, a leaf blight was observed on plants in a public park of Torino. Semicircular, water-soaked lesions developed on leaves just above the soil line at the leaf-petiole junction and later along the leaf margins. Lesions expanded for several days along the midvein until the entire leaf was destroyed. Blighted leaves turned brown, withered, clung to the shoots, and matted on the surrounding foliage. Although lesions wer
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Delatte, H., B. Reynaud, J. M. Lett, et al. "First Molecular Identification of a Begomovirus Isolated from Tomato in Madagascar." Plant Disease 86, no. 12 (2002): 1404. http://dx.doi.org/10.1094/pdis.2002.86.12.1404c.

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In April 2001, reduced leaf size, leaf curling, yellowing symptoms, and reduced yield were observed in tomato plants in the southwestern (Toliary, Morondava, Miandrivazo) and northern (Antsiranana) regions of Madagascar. Symptoms were similar to those caused by Tomato yellow leaf curl virus (TYLCV, genus Begomovirus, family Geminiviridae). Large populations of Bemisia tabaci (Gennadius) were observed colonizing tomato, other crops, and weeds. Leaf samples were collected from tomato plants from 14 sites located in northern, central, and southern Madagascar. Two plant samples collected near Ants
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Dorr, Laurence J. "Mary and William Pool and their (mostly her) Malagasy lichen and plant collections." Archives of Natural History 46, no. 1 (2019): 134–38. http://dx.doi.org/10.3366/anh.2019.0561.

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William and Mary (née Crage) Pool spent the decade from 1865 to 1875 in Madagascar as missionaries employed by the London Missionary Society. For amusement, Mrs Pool collected lichen and plant specimens, which her husband eventually donated to Kew. Even though Mrs Pool collected most of these specimens, her husband invariably receives credit: his name appears on the labels of plants collected by her, and her collections are attributed to him in a number of contemporary publications.
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Sato, Hiroki. "Seasonal fruiting and seed dispersal by the brown lemur in a tropical dry forest, north-western Madagascar." Journal of Tropical Ecology 29, no. 1 (2013): 61–69. http://dx.doi.org/10.1017/s0266467413000011.

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Abstract:Community-wide seasonal fruiting and seed dispersal by the common brown lemur (Eulemur fulvus fulvus) was investigated in a tropical dry forest, north-western Madagascar. The brown lemur is the sole disperser of large seeds > 10 mm in diameter. Considering the limited assemblage of dispersers, large-seeded plants should display distinctive fruiting patterns to acquire dispersers. To compare fruiting patterns and seed dispersal by the brown lemur between small-seeded and large-seeded plants, fruiting conditions for 432 trees on a transect, feeding activity over 1212 h of observation
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Facchini, Peter J., and Vincenzo De Luca. "Opium poppy and Madagascar periwinkle: model non-model systems to investigate alkaloid biosynthesis in plants." Plant Journal 54, no. 4 (2008): 763–84. http://dx.doi.org/10.1111/j.1365-313x.2008.03438.x.

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Rokiman Letsara, Rigobert Andrianantenaina, Gédéon Ngiala Bongo, et al. "TLC Profiling of Leaves Extracts of Some Aloe Threatened Species Endemic to Madagascar for Their Antioxidant Activity." Britain International of Exact Sciences (BIoEx) Journal 2, no. 3 (2020): 653–62. http://dx.doi.org/10.33258/bioex.v2i3.304.

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The World Health Organization reported that at least 80% of populations rely on traditional medicine and medicinal plants for their primary health care. Due to their phytochemical compounds, the plants of the Aloe genus are reported to have high potential antiCovid-19 (and antioxidant properties. The aim of this study is to evaluate the in vitro antioxidant activity of some Malagasy endangered species of Aloe genus. The ethanolic extract of few Aloe of Madagascar leaf extracts was fractionated by liquid-liquid partition using hexane. In total 18 different fractions from 9 species have been use
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Yandoc, C. B., E. N. Rosskopf, D. A. Shah, and J. P. Albano. "Effect of Fertilization and Biopesticides on the Infection of Catharanthus roseus by Phytophthora nicotianae." Plant Disease 91, no. 11 (2007): 1477–83. http://dx.doi.org/10.1094/pdis-91-11-1477.

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Experiments were carried out in a greenhouse to determine the effect of fertilizer concentration (0, 0.5, 1.0, and 2.0× Hoagland solutions) and various commercial biopesticides on the severity of Phytophthora nicotianae infection of Madagascar periwinkle. Application of biopesticides and fertilizer concentration significantly influenced the severity of infection, but there was no significant effect from the interaction of these two factors. Overall, disease severity showed a tendency to increase with the concentration of applied fertilizer. Compared with the control plants, disease was signifi
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Monteiro, P. B., J. Renaudin, S. Jagoueix-Eveillard, A. J. Ayres, M. Garnier, and J. M. Bové. "Catharanthus roseus, an Experimental Host Plant for the Citrus Strain of Xylella fastidiosa." Plant Disease 85, no. 3 (2001): 246–51. http://dx.doi.org/10.1094/pdis.2001.85.3.246.

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We verified by pathogenicity tests that the herbaceous plant Catharanthus roseus (Madagascar periwinkle) can be used as an experimental host for the strain of Xylella fastidiosa that causes citrus variegated chlorosis (CVC). Plants were mechanically inoculated with CVC strain 9a5c, the genome of which was recently sequenced. Plants were inoculated with the virulent 8th passage (9a5c-8) and the 51st passage (9a5c-51). Leaf deformation and stunting were seen 2 months after inoculation on 18 of 21 plants with 9a5c-8 and 8 of 21 plants with 9a5c-51. The plants were infected with X. fastidiosa as s
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Jenkins, Richard K. B., Paul A. Racey, Daudet Andriafidison, et al. "Not rare, but threatened: the endemic Madagascar flying fox Pteropus rufus in a fragmented landscape." Oryx 41, no. 2 (2007): 263–71. http://dx.doi.org/10.1017/s0030605307001883.

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AbstractThe endemic Madagascar flying fox Pteropus rufus is threatened by habitat loss at roost sites and hunting for bushmeat. There is no conservation plan for this species, even though it is categorized on the IUCN Red List as Vulnerable and plays an important role as a seed disperser. In the Mangoro valley of central eastern Madagascar we monitored roost occupancy and abundance of P. rufus on 15 occasions at six sites over a 12-month period and conducted a detailed assessment of eight roosts during July 2004. There was considerable monthly variation in bat abundance and only two sites cont
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