Tiga penyebab utama terjadinya penularan tungro adalah ketersediaan sumber inokulum virus, adanya serangga penular, dan tanaman peka. Nephotettix virescens distant, 1908 deltocephalinae. Cicadellidae in three rice growing countries of south east asia. Files are available under licenses specified on their description page. Nymphs of nephotettix nigropictus were fed on diseased rice plants.
Kajian epidemiologi sebagai dasar penerapan pengendalian. Species are mostly found in asia, although two are from africa. Fiji pest status attachment 3 common name scientific name almond bud failure prunus necrotic ringspot virus alomae disease taro bacilliform virus american corn rust puccinia polysora angular bean leaf spot pseudocercospora griseola angular mosaic of beans cowpea mild mottle virus annual sedge cyperus compressus anthracnose glomerella cingulata. The green rice leafhopper, nephotettix cincticeps hemiptera. Pdf mass rearing technique for the rice green leafhopper.
Insects and its allies or relatives whether pests or beneficials are part of rice ecosystems. Many factors have threatened the longterm sustainability of conventional ricewheat cropping systems, including degradation of soil health, water scarcity, labourenergy crises, nutrient imbalances, low soil organic matter. You may do so in any reasonable manner, but not in. Turtle graphics of morphic sequences hans zantema department of computer science, tu eindhoven, p. Prosiding seminar nasional penelitian, pendidikan dan penerapan mipa, fakultas mipa, universitas negeri yogyakarta, 14 mei 2011 tien aminatun, dkk.
Population dynamics ofnephotettix virescens was studied in 17 paddy fields transplanted at intervals of about 1 month in 19881990. Similar trend was observed in the case of the hoppers, n. A meat chopper was used to grind the infected rice. We highlight the importance of an integrated management policy for archaeological monuments and the insecteating bats that roost inside them. Rtsv and rtbv were separately purified and antisera specific to each virus were prepared. Rice research division, tohoku national agricultural experiment station. Host specificity of rice green leafhoppers, nephotettix virescens. Fallowing did not disrupt invertebrate fauna in philippine. Potensi cendawan entomopatogen verticillium lecanii dan. Upland rice intercropped with soyabean reduced incidence of n. Studies on probing stimulants for the green rice leafhopper. A new distribution map is provided for nephotettix nigropictus st. Nephotettix cincticeps green rice leafhopper selenocephalus.
This file is licensed under the creative commons attributionshare alike 2. Phylogeny, evolution, and historical biogeography of the. Basic arthropod taxonomy arthropods include the insects, spiders, mites, ticks, ostracods, copepods, scorpions, centipedes, shrimps, and crayfishes. Bulletin of the kyushu agricultural experiment station, 24. Coherent diffraction of single rice dwarf virus particles. Cicadellidae berkisar antara 3583% rivera and ou 1965, n. The experimental evidences obtained in various tropical countries in asia indicate that n.
Ento 331 crop pests and stored grain pests and their management lecture no. Fallowing depleted populations of more ubiquitous taxa at zaragoza four natural enemies, one detritivore than at irri one herbivore, one natural enemy. The survival rate of the 1st generation was lowest in the transition season when areal population density increased. The adult density was highest either in the immigrant or the 1st generation and sharply decreased to the 2nd generation. Nephotettix cincticeps, a prevalent rice pest, injects gelling and. Pba occurs secondary to a variety of otherwise unrelated neurologic conditions, and is characterized by. Coherent diffraction of single rice dwarf virus particles using hard xrays at the linac coherent light source.
We refer to india, but the issue is general and of worldwide significance. Transmission of rice gall dwarf virus by the green rice leafhopper. All structured data from the file and property namespaces is available under the creative commons cc0 license. Nephotettix nigropictus nilaparvata lugens cofana spectra empoascanara maculifrons 3 etl for glh in tungro endemic area a. Biosystematic study on the genus nephotettix occurring in asia. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Structure, transmission and origin of plant rhabdoviruses. Morphometric variations in nephotettix virescens and n. An nephotettix nigropictus in nahilalakip ha genus nga nephotettix, ngan familia nga cicadellidae. A meat chopper was used to grind the infected rice leaves and the resultant slurry was treated with ccl 4 and subjected to repeated precipitations and consecutive. Box 9010, 6500 gl nijmegen, the netherlands abstract. Procedures for the establishment, maintenance and storage of cell lines are described. This online library is maintained daily by ctas staff and seeks to represent the most current information regarding issues relative to tennessee county government. The phylogeny, evolution, and biogeography of the grasslandassociated leafhopper tribe chiasmini 21 genera, 316 species were investigated using phylogenetic analyses of two different data sets, one including 81 taxa and 3000 aligned nucleotide positions from the nadh dehydrogenase subunit 1 nd1, histone h3, 28s rdna d2, and cytochrome c oxidase subunit ii coii.
However, leafhoppers, including nephotettix virescens, nephotettix cincticeps and nephotettix nigropictus, have scarcely been researched with regard to probing. Full prescribing information 1 indications and usage nuedexta is indicated for the treatment of pseudobulbar affect pba. There is increasing evidence that the ecosystem services provided by insecteating bats in agricultural fields are of vital economic importance, which is likely to increase as. Procedure for filling vacancies welcome to the ctas e. Nephotettix is a genus of planthoppers in the subfamily deltocephalinae and tribe chiasmini. The purification procedure of the rdv o strain 26 followed the procedure of omura et al. Sample wage and hour policies welcome to the ctas e. A vector of rice dwarf virus, rice slunt, and other virus diseases information is given on the geographical distribution in asia, andaman islands, burma, cambodia, ceylon, china. You can also search the archives by typing keywords into the search box. Rice fields severely attacked by pests emit a pungent smell which gives to this pest the name gundhi bug. The nation is suffering from an epidemic of chronic disease, a preventable epidemic enabled by the places, spaces, and choices that challenge our health. Nephotettix cincticeps uhler is one of the most devastating insect pests of cultivated rice oryza sativa l. The following document was created from the ctas electronic library known as eli.
The molecular identification method, dna barcoding, is proposed by p. Taxonomy nephotettix cincticeps green rice leafhopper selenocephalus cincticeps. Known as green leafhoppers of paddyrice, nephotettix cincticeps and n. Population dynamics of three leafhopper vectors of rice tungro viruses, nephotettix virescens distant, n. Intensive host range studies comprising of 55 common weeds and eight cultivated plant species indicated thatnephotettix virescens could survive and breed. Population dynamics of three leafhopper vectors of rice tungro.
Cicadellidae in the philippines the flight potential of nephotettix virescens distant, the most important vector of. Mechanism of varietal resistance to the rice green. They are transmitted by hemipteran insects aphids, leafhoppers, planthoppers in a persistent, circulative and propagative manner. Pdf genetic analysis of rice green leafhopper nephotettix. Datainspectionpriortotheanalysisand model selection was conducted as. Mechanical and physical control traditional practices have included light traps to capture green leafhoppers and to dislodge insects onto kerosenecoated water from foliage by dragging a rope across the field or using large brooms litsinger, 1994. Dna evidence shows a close relationship to the siphonaptera fleas. Of these, insects make up 50% of all the nominal species of organisms in the world. Nephotettix nigropictus stal, 1870 deltocephalinae philippines ryckman 1979, p. The videos, agendas and minutes are arranged by date, with the most recent at the top of the list. Pathogen common name order family source 1 pyricularia oryzae blast moniliales dematiaceae current list, cpc 2007 list 2 helminthosporium oryzae brown leaf. Request pdf tethered flight activity of nephotettix virescens hemiptera. At both sites, only green leafhoppers, nephotettix virescens and nephotettix nigropictus, had consistently higher post. Characterization of resistance to the green rice leafhopper.
Nephotettix nigropictus stal, 1870 deltocephalinae philippines alexander 1984, p. Pdf on nov 8, 2019, binari manurung and others published genetic analysis of rice green leafhopper nephotettix nigropictus stal from. Cyto and nucleorhabdoviruses have unsegmented genomes and enveloped bulletshaped or bacilliform particles, much like their animal and human counterparts dietzgen et al. Cicadellidae, in farmers fields in the philippines. Pdf web enabled weather based prediction for insect. They have two pairs of similar wings with simple venation in which a number of cross. An nephotettix nigropictus in uska species han insecta. Click video to watch a meeting including links to documents, or click agendaminutes to only view documents. Nephotettix nigropictus field sanitation use of neem based botanical pesticides burning of tyres in the field as a repellant.
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