Pdf the bioassayguided fractionation of lonchocarpus punctatus inflorescence extracts led to the purification of the trans 1. Insecticide resistance spectrum and underlying resistance mechanisms in tropical populations of the brown planthopper nilaparvata lugens collected from rice and the wild grass leersia hexandra. Phytoremediation potential of leersia hexandra swartz of copper contaminated soil and its enhancement by using agronomic management practices. In addition, the leaves of leersia are very rough to the touch, leersia having retrorse hairs on the underside of the midrib. Jircas tropical agriculture research front tarf 10911 maezatokawarabaru, ishigaki okinawa 9070002 japan tel. A 4arylcoumarin from coutarea hexandra pdf free download. Randomly amplified polymorphic dna rapd technique was applied to assess the genetic variations and phylogenetic relationships in genetic differentiation within 4 chromiumtreatment leersia hexandra.
It was named for the german botanist johann daniel leers 17271774 species. General information about leersia hexandra lerhe name language. Feasibility of constructed wetland planted with leersia. The plants grown in hydroponics were exposed to cr at 0, 5, 30, and 60. It is known only to feed on rice and the weed leersia hexandra.
Phytoremediation potential of leersia hexandra swartz of copper contaminated soil. Pests of cereals free download as powerpoint presentation. Leersia denudata launert from kenya to cape province. Leersia hexandra is a species of grass known by the common names southern cutgrass, clubhead cutgrass, and swamp rice grass. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. An experiment was carried to investigate the effect of oil on the growth, biomass production, biosynthesis of crude protein of leersia hexandra. The name thecaphora globuligera now moesziomyces globuligerus is available for this species, which is lectotypified. Potential of leersia hexandra swartz for phytoextraction. The habitat structure of lukanga ramsar site in central. It is also an introduced species in many regions, sometimes becoming invasive, and it is an agricultural weed of various crops, especially rice.
Growth analysis and plant production of leersia hexandra swartz in tropic wet. Potential of leersia hexandra swartz for phytoextraction of cr from soil. Media in category leersia hexandra the following 30 files are in this category, out of 30 total. Insecticide resistance spectrum and underlying resistance. This study examined the relationship between oxalic acid and cr tolerance in an accumulating plant leersia hexandra swartz. A total of fifteen experiments including morphological, molecular genetic and host plant relationship studies were conducted to differentiate between two sympatric populations of. Bioaccumulation and chemical form of chromium in leersia. All structured data from the file and property namespaces. In this study, a crhyperaccumulator, leersia hexandra was investigated for its potential to remove cr from the soil in a series of pot experiments. Sorry, we are unable to provide the full text but you may find it at the following locations. Southern cutgrass, leersia hexandra swartz, is a widely distributed perennial. The small depression pond type is distinguished from small depression drawdown meadow. Leersia hexandra is a species of grass known by the common names southern cutgrass.
Pdf potential of leersia hexandra swartz for phytoextraction of cr. Text is available under the creative commons attributionsharealike license. The aim of the study was to identify the different vegetation communities, species. The genomic dna of leersia hexandra was extracted by using ctab method. In this study, a crhyperaccumulator, leersia hexandra was. Author links open overlay panel hua lin a b xuehong zhang a b jun chen a b liang liang a. Pdf use of leersia hexandra poaceae for soil phytoremediation in soils contaminated with fresh and weathered. Index ln lecture name page no 1 diseases of rice 4 27 2 diseases of sorghum 28 39. Nomenclatural information about leersia hexandra is provided by the international plant. The fresh leaves of leersia hexandra cultivated on the condition of chrome pollution and exogenous organic acids were used as experimental material.
This page was last edited on 14 december 2019, at 16. The australasian virtual herbarium avh is an online resource that provides immediate access to the wealth of plant specimen information held by australian herbaria. The hydroponic experimental results indicated that the maximum chromium concentration in the dry leaf matter of leersia hexandra. The website also provides access to a database and images of herbarium. This page was last edited on 17 december 2019, at 02. Leersia hexandra japan international research center for. Hormesis under oilinduced stress in leersia hexandra sw. After forest removal, tillers of two rhizomatous wetland grasses panicum hemitomon, leersia hexandra were transplanted into singlespecies blocks in 12 restored depressions that. Function of leersia hexandra swartz in constructed wetlands for crvi decontamination.
Leersia hexandra lerheoverview eppo global database. Occurrence in nature of an alternative host leersia hexandra sw. This study aimed to evaluate the curative effects of the aqueous extract of l. Leersia hexandra was completely unsuitable as a host for the nymphs of the three table 1. Southern cutgrass, leersia hexandra swartz1, allows rice. However, the environmental factors responsible for diapause induction have not been thoroughly studied.
Archived profiles will only appear in the general search results if the include archived profiles option is selected. However, it is not a legal authority for statutory or regulatory purposes. Leersia hexandra swartz is a metalaccumulating hygrophyte with great potential to remove heavy metal from water. Pdf antihypertensive activity of leersia hexandra sw. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Leersia is a genus of plants in the grass family which includes species known generally as cutgrasses the genus is widespread across many countries on all the inhabited continents. If your computer is not already set up to read these files, you can download. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. A field survey was carried out to determine the vegetation structure of the lukanga swamp ramsar site in central zambia. Phytoremediation potential of leersia hexandra swartz of. This work is licensed under a creative commons attributionnoncommercial 4. Leersia hexandra was investigated for its potential to remove cr from the soil in a series of. From the methanolic extract of the stem of coutarea hexandra we have isolated chromatographically a new natural product. It occurs as a weed of wetland, flooded or irrigated rice in cambodia, india, indonesia, malaysia, nigeria, suriname and thailand.
However, it is not a legal authority for statutory or. In this study, two pilotscale constructed wetlands planted with l. Poaceae aqueous extract on ethanolinduced hypertension in wistar rat. Archived profiles will not appear in the browse, quick find, taxonomic tree or subordinate.
The fungus also survives on collateral hosts like leersia hexandra and echinochloa colonum. Pests of leersia hexandra lerhe this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. These native obligate wetland obl species are perennial rhizomatous graminoids that often form a. The oil industry has inherent risks of spills or leaks due to natural or anthropogenic causes, which cause alterations in the soil and damage to the plant. The chromium bioaccumulation ability of leersia hexandra was assessed and the chromium distribution in the deferent chemical forms in plant tissues was determined. Pdf research on the phytoextraction of cr from contaminated soils has. The results showed that different samples of leersia hexandra. Genetic differentiation caused by chromium treatment in.
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