A downloadable pdf document of a book in prepublication awaiting illustration. Its species name, humilis, means small or dwarfish. This project aims to provide a definitive account of current knowledge of indigenous tree. Its conservation status has been the subject of increasing. Free download paper abortion book pdf paper abortion as recognized, adventure as capably as experience not quite lesson, amusement, as with ease as conformity can be.
A taxonomic genus within the family meliaceae the mahogany trees, native to the american tropics from florida to bolivia. Files are available under licenses specified on their description page. Due to overharvesting, this wood is almost nowhere to be had today and has lost all of its economic signi cance. Survival, growth and reproduction by bigleaf mahogany. This project aims to provide a definitive account of current knowledge of indigenous tree species within mesoamerica, and their varied uses across the full spectrum of onfarm planting, ecological restoration and natural regeneration situations, and socioeconomicfarming systems conditions. Germplasm resources information network grin online database. Increased pollen flow counteracts fragmentation in a tropical. Germplasm resources information network grin, 2007 2011, database version 2011 acquired. The species is also known under other common names, including broadleaved mahogany, brazilian mahogany. Physicochemical characterization and fatty acid content of. Taylor department of chemistry, university of lbadan, nigeria received may 1970 abstracttwo new limonoids have been isolated from the seed of swietenia humilis.
It grows within a very wide ecological range within its native pacific watershed of central america and mexico 20. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region it is taken orally as a. Hypoglycemic and antihyperglycemic effects of phytopreparations. Insecticidal limonoids from swietenia humilis and cedrela salvadorensis. Nirs identification of swietenia macrophylla is robust across specimens from 27 countries. Swietenia humilis zuccarini meliaceae is a mediumsized deciduous tree and one of the three species commonly known as true or american mahogany 19. Managementofthemahoganyshootborer, hypsipyla grandella. It is one of three species in the genus swietenia, all three of which are regarded as genuine. Jimenez, respectively phytochemistry 1998, 49 7, 19811988. Physicochemical properties of swietenia humilis zucc seed oils were determined along with its fatty acid composition, by using gasliquid chromatography. Four limonoids, humilinolides ad from swietenia humilis and cedrelanolide from cedrela salvadorensis, were evaluated for their effect on the european corn borer, ostrinia nubilalis in comparison with toosendandin, a commercial insecticide derived. Aug 29, 2014 this page was last edited on 21 december 2019, at 02. An investigation of antimicrobial bioactivity followed by gcms analysis for the fatty acid composition has been conducted to the crude nhexane extract of swietenia humilis zucc. Pdf physicochemical characterization and antimicrobial activity.
The levels and distribution of genetic diversity over 10 microsatellite loci were investigated within a fragmented population of the neotropical tree swietenia humilis zucc. Sep 25, 2019 swietenia is a genus of trees in the chinaberry family, meliaceae. The united states proposed to revise the listing to exclude a nonnative populations in the old world and b wood from trees not in the native range, if transformed beyond the first stage. Sorry, we are unable to provide the full text but you may find it at the following locations. Seed survival data for eight diverse species, namely the cereal barley hordeum vulgare l. Mahogany swietenia macrophylla king meliaceae is the most valuable hardwood species in the neotropics. Acute oral toxicity studies of swietenia macrophylla seeds. Quantification of seed oil from species with varying oil.
The unbuttressed bole is short, often crooked and from 30 50cm in diameter 303. Temperature and seed storage longevity annals of botany. Increased pollen flow counteracts fragmentation in tropical dry forest. Forests free fulltext machine learning models with. Swietenia macrophylla is a good source of bioactive tetranorterpenoids, phargmalintype limonoids. Insecticidal limonoids from swietenia humilis and cedrela.
Media in category swietenia humilisthe following 2 files are in this category, out of 2 total. The oil content found in the germ portion of the seeds was 45. The wood of the bigleaf mahogany is often confused with swietenia humilis and. Multiplexed systems of microsatellite markers for genetic. The genus is named for dutchaustrian physician gerard van swieten 17001772. Swietenia macrophylla, commonly known as bigleaf mahogany, is a species of plant in the meliaceae family. Gene flow in an overexploited population of swietenia. New tetranortriterpenoids from swietenia humilis request pdf. Pdf swietenia humilis is a valued tree species for its highquality wood, among other comercial interests. Population differentiation estimated using aflps and ssrs. Genetic variation within a fragmented population of. For 250 years, one of the most valuable furniture wood in the world. Nirs identification of swietenia macrophylla is robust.
Co 2 method was validated on six species from taxonomically distant families and with varying oil contents. It occurs natively in the neotropics, from southern florida, the caribbean, mexico and central america south to bolivia. Pdf machine learning models with quantitative wood. In the 18th and 19th centuries, only cuba mahogany was used. Media in category swietenia humilis the following 2 files are in this category, out of 2 total.
Swietenia is a genus of trees in the chinaberry family, meliaceae. Pdf swietenia is a genus in the plant family meliaceae. Now replaced by highquality swietenia mahogany and only the wood of the swietenia family count as genuine mahogany. An aqueous extract from the seeds of swietenia humilis 31. Swietenia humilis is a species of tree in the family meliaceae. Swietenia humilis zuccarini meliaceae is a mediumsized deciduous tree and one of the three species commonly known as true or american mahogany. Swietenia humilis is a small to mediumsized deciduous tree growing 15 20 metres tall. National germplasm resources laboratory, beltsville, maryland. Genetic variation within a fragmented population of swietenia. Pdf nursery practices increase seedling performance on nutrient. Common names include pacific coast mahogany, caoba del pacifico. Cites is an international agreement between governments, aimed to ensure that international trade in specimens of wild animals and plants does not threaten their survival. These effects were related to k atp sur blockade, insulin secretion in inse1 cells, and modulation of 5ht 2 receptors. Nirs identification of swietenia macrophylla is robust across.
Swietenia humilis grows in western parts of middle america. Swietenia humilis, swietenia krukovii, swietenia macrophylla other accepted species. Mahogany consists of three species in the genus swietenia in the family meliaceae honduras mahogany swietenia humilis, bigleaf mahogany swietenia macrophylla, and american. Request pdf new tetranortriterpenoids from swietenia humilis four new tetranortriterpenoids, humilinolides a 1, b 2, c 3, and d 4, were isolated from the seeds of swietenia humilis. New tetranortriterpenoids from swietenia humilis journal of. Finescale structure of genetic diversity and gene flow were analysed in three costa rican populations of mahogany, swietenia macrophylla. Swietenia jacquin following styles 1981 the following species are listed under the genus swietenia.
This page was last edited on 21 december 2019, at 02. Hypoglycemic and antihyperglycemic preparations from swietenia humilis. Survival, growth and reproduction by bigleaf mahogany swietenia macrophylla in open clearing vs. Illegal logging and associated trade aggravate the overexploitation of swietenia species, of which s. Phytochemical reports 469 phytochemistry, 1971, vol. Four limonoids, humilinolides ad from swietenia humilis and cedrelanolide from cedrela salvadorensis, were evaluated for their effect on the european corn borer, ostrinia nubilalis. Machine learning models with quantitative wood anatomy data can discriminate between swietenia macrophylla and swietenia mahagoni. Pdf chemical structures and biological activities of limonoids. It is one of three species in the genus swietenia, all three of which are regarded as genuine mahogany.
The united states proposed to revise the listing to exclude a nonnative populations in the old world and b wood from trees not in the native. It is one of three species that yields genuine mahogany timber, the others being swietenia mahagoni and swietenia humilis. Increased pollen flow counteracts fragmentation in a. High levels of genetic variation, typical of a highly outcrossing species, were found in all fragments at all loci mean h e 0. Finescale genetic structure and gene flow within costa. Limonoids from swietenia humilis and guarea grandiflora meliaceaetaken in part from the phd and ms theses of c.
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