A population morphologically the same as the rice brown planthopper, nilaparvata lugens stl homoptera. Frontiers a pathovar of xanthomonas oryzae infecting. The panicles are sometimes produced only within inflated upper leaf sheaths, which remain included and bear cleistogamous spikelets with much smaller, 0. Ferns, including the creeping and scented fern, gleichenia polypodiodes and mohria caffrorum, are also important pioneering species that follow soon after the ground has been substantially covered by pioneering grass types. Archived 201106 at the wayback machine grass manual. Genetic differentiation caused by chromium treatment.
For full access to this pdf, sign in to an existing account, or purchase an annual subscription. Files are available under licenses specified on their description page. Poaceae aqueous extract on ethanolinduced hypertension in wistar rat danielleclaudebilanda,yannickcarlostcheutchoua. Chromium accumulation by the hyperaccumulator plant leersia hexandra swartz article pdf available in chemosphere 676. The results of the survey showed that the swamp was a. Sedangkan rumput di sekitar pertanaman padi di filipina sebagai inang pyricularia ialah brachiaria.
Mechanism study of chromium influenced soil remediated by an. Media in category leersia hexandrathe following 30 files are in this category, out of 30 total. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer, from where it. Cyperus articulatus, leersia hexandra, ficus sur and acacia polyacantha. Quarantine requirements for the importation of plants or plant products into the republic of china bureau of animal and plant health inspection and quarantine council of agriculture executive yuan. Leersia hexandra 22 m 022 022 sacciolepis africana 8 m 08 08 leptochloa caerulescens 5 gm 05 05 paspalum vaginatum 3 m 03 03 oryza eichingeri 28 m 028 028 oryza sativaglaberrima 208 ym 201208 201208 rottboellia exaltata 3 m 03 03 aym, yellowing mottle. Leersia hexandra ufifas center for aquatic and invasive. Southern cut grass is the most common leersia in florida and might first be encountered as floating mats in water, or along shorelines. Phytoremediation potential of leersia hexandra swartz of. Leersia denudata launert from kenya to cape province. Fifty modern grass taxa from four subfamilies, namely the panicoideae, chloridoideae, ehrhartoideae and bambusoideae, were collected for phytolith analysis from the deltaic regions of the lower gangetic sunderbans, india in 2008 and 2009 table 1. Hormesis under oilinduced stress in leersia hexandra sw. Feeding responses of the brown planthopper, nilaparvata.
The genomic dna of leersia hexandra was extracted by using ctab method. Plants exhibit significant effects on the rhizospheric. Pdf leersia hexandra, a weed host of the rice brown planthopper. Kandungan ndf rumput rawa pada penelitian ini berkisar antara 821,51 leersia hexandra hingga 921,99 g. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. Cut grass leaf margins are sharp, and will cut skin. Paris of rice varieties carrying the bph1, bph2 and bph3 resistance genes are compared as hosts for n. The fresh leaves of leersia hexandra cultivated on the condition of chrome pollution and exogenous organic acids were used as experimental material. Pdf chromium accumulation by the hyperaccumulator plant. In case of any discrepancy between the chinese text and the. Leersia hexandra 2 leersia perrieri 1 leersia tisseranti 3 luziola leiocarpa 1 porteresia coarctata 1 potamophila parviflora 1 rhynchoryza subulata 1 zizaniopsis villanensis 1 total 4,370 1,543 90,348 in addition, more than 10,000 incoming samples are to be registered. An leersia hexandra in uska species han liliopsida nga ginhulagway ni olof swartz. Diversity and distribution pattern of riparian plant. Detection and serological characterization of rice yellow.
This page was last edited on 17 december 2019, at 02. The sunderbans, the largest expanse of mangrove forest in the world, lie in the vast delta of the bay of bengal and are formed by the super confluence of the rivers ganges, brahmaputra and meghna across the southern parts of deltaic west bengal, india south 24 parganas and north 24 parganas and bangladesh khulna, barisal, noakhali and chittagang finlayson and moser, 1991 fig. The habitat structure of lukanga ramsar site in central. Swaziland country report 4 chapter 1 introduction and agriculture sector the kingdom of swaziland, with a land area of 17,400 km2 is located between 25 degrees 19. Determination of cr vi in leersia hexandra swartz based on. Pdf research on the phytoextraction of cr from contaminated soils has been scarce, because very few plant species have been reported to. Genetic differentiation caused by chromium treatment in. A total of fifteen experiments including morphological, molecular genetic and host plant relationship studies were conducted to differentiate between two sympatric populations of.
In addition, the leaves of leersia are very rough to the touch, leersia having retrorse hairs on the underside of the midrib. The results showed that different samples of leersia hexandra exhibited dna polymorphism when using the random primer s43. Some of the weeds most difficult to control subsaharan africa including madagascar acanthospermum austral, acanthospermum hispidum, aframomum sp, ageratum. His flailing about was futile, and he ultimately fell into a depression. An assessment of exotic species in the tonle sap biosphere reserve and associated threats to biodiversity a resource document for the management of invasive alien species december 2006 robert van zalinge compiler this publication is a technical output of the undpgeffunded tonle sap conservation project.
Leersia hexandra, the only open water present is beneath a small stand of. It was named for the german botanist johann daniel leers 17271774 species. Text is available under the creative commons attributionsharealike license. This page was last edited on 14 december 2019, at 16. A 4arylcoumarin from coutarea hexandra pdf free download. The objective of this study was to discuss the phytoremediation potential of leersia hexandra swartz in cu contaminated soil and its enhancement by agronomic management practices. Acacia angustissima acacia aroma acacia dealbata acacia farnesiana. The responses of native plants to competition with invasive plants depend mainly on the density of the invasive plants and on the ability of the native plants to compete for resources. 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.
Philippines feeds only on the weed leersia hexandra swartz. Some other natives, such as pseudoraphis spinescens, leersia hexandra and paspalum sp. Dec 17, 2014 this page was last edited on 14 december 2019, at 16. Leersia is a genus of plants in the grass family which includes species known generally as cutgrasses. Jun 01, 2005 rice, as a widely and intensively cultivated crop, should be a target for parasite host shifts and a source for shifts to cooccurring weeds. Virulent lineages from africa and asia and less virulent strains from the united states have been well characterized. Gangguan kesehatan manusia, misalnya ada suatu gulma yang tepung sarinya menyebabkan alergi. On the basis of 10 loci from six of its seven linkage groups, 37 multilocus haplotypes among 497 isolates of m. This includes both fundamental and applied aspects of mineral nutrition, plantwater relations, symbiotic and pathogenic plantmicrobe interactions, root anatomy and morphology, soil biology, ecology, agrochemistry and. The wami river system is situated in a matrix of various landuse systems. Pdf potential of leersia hexandra swartz for phytoextraction of cr. The aim of the study was to identify the different vegetation communities, species composition and distribution patterns for improved habitat management. Useful grasses include spiny mud grass pseudoraphis spinescens, awnless barnyard grass echinochloa colona, wild rice oryza.
Leersia hexandra 22 m 022 022 sacciolepis africana 8 m 08 08 leptochloa caerulescens 5 gm 05 05 paspalum vaginatum 3 m 03 03 oryza eichingeri 28 m 028 028 oryza sativaglaberrima 208 ym 201208 201208 rottboellia exaltata 3 m 03 03. Summary report hcv assessment for 15,000ha parcel page 2 executive summary this is an assessment sime of the sites within the sime darby plantations estates in liberia darby plantations liberia inc to determine the presence of sites with high conservation attributes. List of forage legumes in the ciat genebank genero especie. Phytolith assemblages of grasses from the sunderbans. Leersia hexandra is a weed that is commonly found in irrigation canals which supply water to lowland rice fields in asia.
A field survey was carried out to determine the vegetation structure of the lukanga swamp ramsar site in central zambia. Determination of cr vi in leersia hexandra swartz based. Plants profile for leersia hexandra southern cutgrass usdanrcs. Mechanism study of chromium influenced soil remediated by. Pdf a population of the rice brown planthopper, nilaparvata lugens stal homoptera. Biotypes of the brown planthopper nilaparvata lugens stal. Part or all of this entry has been imported from the 19 edition of websters dictionary, which is now free of and hence in the public domain. Frontiers competitive effects hinder the recolonization. It is also an introduced species in many regions, sometimes becoming invasive, and it is an agricultural weed of various crops, especially rice. Poaceae aqueous extract on ethanolinduced hypertension in wistar rat. An leersia hexandra in nahilalakip ha genus nga leersia, ngan familia nga poaceae. Quarantine regulation for importation of plants and. In this study, we tested the influence of the invasive exotic urochloa arrecta poaceae on the early colonization of two native species pontederia cordata and leersia hexandra of aquatic macrophytes. Rice, as a widely and intensively cultivated crop, should be a target for parasite host shifts and a source for shifts to cooccurring weeds.
This study aimed to evaluate the curative effects of the aqueous extract of l. The rhizospheric microbiome appears to be one of the key determinants of plant health and productivity. Leersia hexandra is a species of grass known by the common names southern cutgrass, clubhead cutgrass, and swamp rice grass. Phytolith assemblages of grasses from the sunderbans, india. All structured data from the file and property namespaces is available under the creative commons cc0 license. Ebects of the aqueous extract of leersia hexandra on tissue protein. Grasses were collected from the swampy mangrove or intertidal mangrove zone inundated by all high tide, the tidal mangrove zone.
Di indonesia, rumput echinochloa crusgalli cikampek, leersia hexandra cilacap, panicum maximum bali, dan panicum repens subang dilaporkan sebagai inang pyricularia dbpt deptan 1992. Next in value for animal production are the shallow floodplains which remain wet through to the mid dry season. At present, identification of biotypes is based principally on the differential reactions of host rice varieties to pest in greenhouse screenings and in field plantings of test nurseries. The feeding responses, growth and population development of nilaparvata lugens stal are quantified on a range of twelve susceptible or resistant hostplants. Biological sciences grasses nitrogen fixation nitrogen fixation petroleo aspectos sociales investigacion cientifica. Morphological, molecular genetic and host plant relationship. Genera that may require lab verification plants in bold fleppc invasive exotic. Xanthomonas oryzae xo are globally important rice pathogens. Pdf hormesis under oilinduced stress in leersia hexandra.
Leersia hexandra is a species of grass known by the common names southern cutgrass. Leersia hexandra, a weed host of the rice brown planthopper. This page was last edited on 14 august 2019, at 00. Kenaikkan ongkosongkos usaha pertanian, misalnya menambah tenaga dan waktu dalam pengerjaan tanah, penyiangan, perbaikan selokan dari gulma yang. List of forage legumes in the ciat genebank genero especie abarema barbouriana abrus precatorius abrus pulchellus abrus sp. Sampling was conducted in all recognizable vegetation communities.
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