Leucaena is listed as a weed in new guinea, hawaii, western polynesia and the usa. Examples of leucaena species and hybrids with low mimosine are l. They are native to the americas, ranging from texas in the united states south to peru. This is rapidly changing to include hybrids of this and other species, notably l.
Eucalyptus diversifolia, commonly known as the soap mallee, coastal white mallee, south australian coastal mallee, or coast gum is a species of mallee that is endemic to an area along the southern coast of australia. Jun 07, 2014 this page was last edited on december 2019, at 08. View the herbarium specimen image from the university of florida herbarium digital imaging projects citations. Leucaena is a longlived perennial legume around 23 year halflife in difficult conditions in australia. Martin niftalproject, university ofhawaii, paia, hawaii96779 received 6 june 1986accepted 12 september 1986 in 56dayold plants, leucaena leucocephala andits hybrid withl. This page was last edited on december 2019, at 08. Leucaena definition is a small genus of tropical trees family leguminosae that have pods resembling those of the acacia and 10 stamens. Cellulosic pulp from leucaena diversifolia by sodaethanol. The individual flowers are small and creamwhite, with ten free stamens.
Significant p diversifolia is a selfcompatible tetraploid with a chromosome number of 2n 4x 104. Insertion sequence is element isrldtal11451 from rhizobium sp. Leucaena is a genus of flowering plants in the mimosoid clade of the subfamily caesalpinioideae of the legume family fabaceae. Leucaena is not a prohibited or restricted invasive plant under the biosecurity act 2014. Significant p leucaena leucocephala a nutrition profile poonam sethi and pushpa r. Leucaena diversifolia food and agriculture organization. Isolation of insertion sequence isrldtal11451 from a. It is used as a shade over coffee in frost free highland tropical locations. On this basis, leucaena diversifolia, an example of an annually harvested highyield and shortrotation fibers plant, was the raw material studied in this work, as a potential pulping raw material and alternative source of fibers. Work continues to provide varieties suitable to climatic conditions in queensland and to reduce the impacts of several biological pests that currently constrain plantings in the state.
Kulkarni abstract leucaena leucocephala is one of the fastestgrowing leguminous trees. Leucaena diversifolia strain tal 1145 was entrapped in the sacb gene of the positive selection vector pucd800 by insertional inactivation. The tree produces around 40 tonshayear of biomass after 3 years of growth diaz et al. Grows at 7002,000 m asl in frost free climates with average annual temperatures from 17. Leucaena leucocephala the most widely used forage tree.
Symbiotic characteristics rhizobium requirements a leucaena. For centuries indigenous people of the american tropics, have used leucaena species as a source of edible pods, as. The generic name is derived from the greek word leukos, meaning white. Pdf three psyllid resistant leucaena species leucaena esculenta sub species paniculata oxford forestry.
It contains about 24 species of trees and shrubs, which are commonly known as leadtrees. Symbiotic characteristics and rhizobium requirements of a leucaena leucocephala x leucaena diversifolia hybrid and its parental genotypes. Sequence of isrm4 from rhizobium meliloti strain gr4. Leucaena leucocephala and the tetraploid varieties of l. Sometimes an unbranched or sparselybranched annual, it can also be a shortlived perennial, or the plant can become shrublike with more or less woody stems.
Three psyllid resistant leucaena species leucaena esculenta subspecies paniculata oxford forestry institute, accession number 5287, l. Adaptation of the genus leucaena to high altitude, subhumid conditions in zimbabwe. It fixes nitrogen in symbiosis with rhizobia and thus improves soil. Leucaena in queensland department of agriculture and. Files are available under licenses specified on their description page. Forage yield and compositional analysis of leucaena species and. In australia, it has naturalised in many areas and on a number of offshore islands. Bentham leguminosae, subfamily mimosoideae is a medium sized tree, which can grow up to 20 m high, but shrubby varities are. Media in category leucaena diversifolia the following 8 files are in this category, out of 8 total. Leucaena leucocephala the most widely used forage tree legume. In fi hybrids, low, intermediate and high chromosome numbers were detected.
Its foliage is used as animal feed, and its leaves and seeds are used as human food in central america, indonesia, and thailand. Leucaena trichandra scientific name leucaena trichandra zucc. Aug 02, 2019 leucaena diversifolia pdf general information. Leucaena species valoration for biomass and paper production. Commercial use of leucaenas outside the new world is almost exclusively of the species leucaena leucocephala lam. Leucaena leucocephala ufifas center for aquatic and. Mar 29, 2020 leucaena diversifolia pdf general information. Studied leucaena species showed biomass productivity ranges. It is used as a shade over coffee in frostfree highland tropical locations. Leucaena pulverulenta is a tree with a light open canopy. Jan 01, 2011 a selection of the best wood raw materials for cellulose pulp and papermaking from five varieties of the leucaena has been made leucaena diversifolia, leucaena collinsii and three varieties of leucaena leucocephala with growth periods of one, two and three years.
Leucaena leucocephala x leucaena diversifolia hybrid andits parental genotypes p. The herbaecous mass can develop from subterranean stolons. Leucaena diversifolia is a deciduous tree or erect shrub with a light but spreading crown. Leucaena germplasm collections, genetic conservation and seed increase. Identification and biology of nonnative plants in floridas natural areas second edition, by k. Significant p leucaena diversifolia the following 8 files are in this category, out of 8 total. Leucaena diversifolia is a leguminous tree that can grow 620 m tall and is adapted to mediterranean conditions. More cool weather tolerant and tolerant of psyllid than l. The values for mimosine vary among the different species of leucaena 25, 57, being highest 5. Seed can be scarified by, a minute soak in concentrated sulfuric acid, a 3 minute soak in 75oc hot water, or mechanical scarification. General information mexican sunflower is a robust plant that can vary significantly in habit. In accordance with biomass production and the features of the raw materials and cellulose pulp obtained, l. Pdf utilisation of leucaena diversifolia, leucaena esculenta. Unless heavily grazed or otherwise controlled, leucaena can spread rapidly to adjacent areas.
Mexican sunflower tithonia diversifolia feedipedia. Sep 03, 2019 leucaena diversifolia pdf general information. It has a taproot with many fine secondary roots mwango et al. Pdf three psyllid resistant leucaena species leucaena esculenta subspecies paniculata oxford forestry. All the leucaena species showed a good soil and climatic adaptation to spain southwest except for l. Mar 23, 2020 leucaena diversifolia pdf general information. All structured data from the file and property namespaces is available under the creative commons cc0 license. The record derives from ildis data supplied on 20100714 which reports it as an accepted name record 19845. It has smooth bark, lanceshaped adult leaves, flower buds in groups of between seven and eleven, white to creamy yellow flowers. Utilisation of leucaena diversifolia, leucaena esculenta. Symbiotic characteristics and rhizobium requirements of a. Symbiotic characteristics rhizobium requirements a. In 56dayold plants, leucaena leucocephala and its hybrid with l.
It has smooth bark, lanceshaped adult leaves, flower buds in groups of between seven and eleven, white to creamy yellow flowers and cupshaped fruit. Tithonia diversifolia is a proli c seeder which retains its seeds until the plant dries in the dry season when the seeds disperse and are spread by wind, water and the. Tithonia diversifolia is a woody herb or succulent shrub, stoloniferous, annual or perennial, that can reach a height of 2 to 3 m gualberto et al. In order to identify fastergrowing nonwoody species usable for biomass and paper production, four leucaena species l.
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