University of agricultural sciences, krishinagar, dharwad580 005, india. Insight to the mode of action of allium sativum leaf. Oct 01, 2000 read genetic analysis of resistance to green leafhopper, nephotettix virescens distant, in three varieties of rice, plant breeding on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Species are mostly found in asia, although two are from africa. Susceptibility of rice insect pests and their natural. Behavior and biology of nephotettix virescens homoptera. Mean percentages of insect survival on and rtv transmission to plants sprayed. Green leafhopper glh, nephotettix virescens distant and rice.
Population dynamics, forecasting and control of the green rice leafhopper, nephotettix cincticeps uhler. Species account nephotettix virescens distant 1908g. Among 7 sources of resistant gene to glh 4 genes have been employed to breed resistant variety. Using an electronic device, the feeding behavior of a leafhopper, nephotettix virescens distant, was monitored on rice plants sprayed with seed oi. Karakter populasi wereng hijau, nephotettix virescens. Study on bioefficacy of certain newer insecticides against yellow stem borer scirpophaga incertulas walker. Resistance to green leafhopper nephotettix virescens and brown planthopper nilaparvata lugens in transgenic rice expressing snowdrop lectin galanthus. The reactions of f 1 hybrids, f 2 populations and f 3 lines from the crosses of test varieties with the susceptible variety tn1 revealed that resistance in ir36 and maddai karuppan, is. Rtbv is dependent on rtsv for its transmission by n. Efek negatif tersebut berupa timbulnya hama dan patogen yang tahan. Genetic analysis of resistance to green leafhopper, nephotettix. Dinamika populasi nephotettix virescens pada dua pola. Pdf diversity of insect pests in major rice growing.
Effect of custardapple oil and neem oil on survival of. Pdf molecular phylogeny and genetic analysis of green. Citadellidae dengan berbagai urnur inokuium muhammad danial rahim dan andi nasruddin efektifitas lima isolat. Stem borers scirpophaga incertulas gall midge orseolia oryzea brown plant hopper nilaparvata lugens whitebacked plant hoper sogatella. Nov 21, 2019 population dynamics of the green leafhopper, nephotettix virescens distant hemiptera. Frontiers infection characteristics of rice stripe. However, leafhoppers, including nephotettix virescens, nephotettix. Frontiers infection characteristics of rice stripe mosaic. The flight activity and infectivity of the major leafhopper. This page was last edited on 21 august 2019, at 19. Russula virescens is a basidiomycete mushroom of the genus russula, and is commonly known as the greencracking russula, the quilted green russula, or the green brittlegill. Life table analysis of the green rice leafhopper, nephotettix.
Electronically recorded disturbances in feeding behavior. Text is available under the creative commons attributionsharealike license. All structured data from the file and property namespaces is available under the creative commons cc0 license. Nephotettix virescens distant is the most efficient vector of tungro virus with transmission ability of 80% approximately17. Varian efikasi penularan tungro oleh kolonikoloni wereng hijau nephotettix virescens distant. Host specificity of rice green leafhoppers, nephotettix virescens. The genetics of resistance to green leafhopper, nephotettix virescens distant, in rice varieties ir36 and maddai karuppan and breeding line ir20965. All structured data from the file and property namespaces is available under the.
Molecular phylogeny and genetic analysis of green leafhopper nephotettix virescens distant using mitochondrial coi gene. Effects of biogenic amines on intracellular camp levels in nontransfected chok1 cell lines. For example, the important tungro disease of rice is normally caused by a. To determine the possibility of acquisition and transmission of rsmv by the leafhopper nephotettix virescens and nephotettix cincticeps, we allowed secondinstar nymphs from the nonviruliferous population of leafhoppers to feed for 2 days on rsmvinfected rice plants. Cicadellidae in synchronized and staggered transplanting areas of paddy fields in indonesia.
Agronomy free fulltext geographic and research center. 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. The survival rate of the 1st generation was lowest in the transition season when areal population density increased. Host specificity of rice green leafhoppers, nephotettix oirescens.
Resistance to green leafhopper nephotettix virescens and. Nephotettix cincticeps uhler is one of the most devastating insect pests of cultivated rice oryza sativa l. To determine the possibility of acquisition and transmission of rsmv by the leafhopper nephotettix virescens and nephotettix. Molecular and pharmacological characterization of a. Abstract the green leafhopper, nephotettix virescens distant hemiptera. The adult density was highest either in the immigrant or the 1st generation and sharply decreased to the 2nd generation. Pdf the feeding behavior of nephotettix virescens distant on rice varieties with different levels of resistance was studied using an ac.
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. Management of the rice tungro virus vector nephotettix virescens. Intensive host range studies comprising of 55 common weeds and eight cultivated plant species indicated thatnephotettix virescens could survive and breed. Bulletin of kyushu agricultural experimental station, 16. Known as green leafhoppers of paddyrice, nephotettix cincticeps and n. Nephotettix cincticeps uhler rice yellow dwarf16srxia rice asia vector species disease association host plants distribution phytoplasma group nephotettix virescens distant rice yellow dwarf16srxia rice asia impicticeps ishihara nesophrosyne orientalis witches broom 58 beans, peanuts asia.
Inoue 1986 tested nymphal survival on 15 grass species genera and no adults emerged except from those nymphs reared on rice. Pdf repellency of volatile organic chemicals of kakawate. The feeding behavior of sucking rice pests is well known to be classified into two phases. Characterization of resistance to the green rice leafhopper. Nephotettix is a genus of planthoppers in the subfamily deltocephalinae and tribe chiasmini. Five hybrid varieties namely brri hybrid dhan 2, brri hybrid dhan 3, aloran, jagoran, shakti 2 and five inbreed varieties namely brri dhan 28, brri dhan 29, brri dhan 50, bina 8 and bina 10 were evaluated against incidence of rice tungro disease in pot condition. Read effect of botanicals on the population dynamics ofnephotettix virescens, rice tungro disease incidence and yield of rice, phytoparasitica on deepdyve, the largest online rental service for. Dinamika populasi nephotettix virescens pada dua pola tanam. Abstract the genetics of resistance to green leafhopper, nephotettix virescens distant, in rice varieties ir36 and maddai karuppan and. Green leafhopper glh, nephotettix virescens is the most efficient vector of tungro. Resistance to green leafhopper nephotettix virescens and brown. Dna technology has resulted in an exceedingly vary of molecular techniques which. Dynamical roguing model for controlling the spread of tungro virus via nephotettix virescens in a rice field article pdf available in journal of physics conference series 8931. In this and the reports for 191920, 192122 and 192223, it is noted that cryptorrhynchus gravis mango weevil was generally an important pest.
Nephotettix virescens an overview sciencedirect topics. Users can purchase an ebook on diskette or cd, but the most popular method of getting an ebook is to purchase a downloadable file of the ebook or other reading material from a web site. It can be recognized by its distinctive pale green cap that measures up to 15 cm 6 in in diameter, the surface of which is covered with darker green angular patches. 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. A clade of international rice research institute irribred varieties and breeding lines, without identified leafhopperresistance genes, were highly resistant to the green leafhopper, nephotettix virescens. Infection characteristics of rice stripe mosaic virus in. Rtd is caused by rice tungro bacilliform virus rtbv and rice tungro spherical virus rtsv. Virusvector composition analysis in rice tungro virus. The effect of andrographolide and two synthetic insecticides of pymetrozine and imidacloprid, an antifeediint against n. Structure, transmission and origin of plant rhabdoviruses. Five hybrid varieties namely brri hybrid dhan 2, brri hybrid dhan 3, aloran, jagoran, shakti 2 and five inbreed varieties namely brri dhan 28, brri dhan 29, brri dhan 50, bina 8. In rice ecosystem, natural enemies of arthropod predators are most instrumental in suppressing the pest population. Using the rice germplasms with biotic stress resistance is the most effective and environmentallyfriendly way to control the insect pests in the paddy.
Rice green leafhopper nephotettix virescens distant populations were collected in 1985 from fields planted with a leafhopper resistant rice, oryza sativa cultivar ir64 in south cotabato, philippines. The following are the supplementary data to this article. Stem borers scirpophaga incertulas gall midge orseolia oryzea brown plant hopper nilaparvata lugens whitebacked plant hoper sogatella furcifera green leaf hopper nephotettix virescens leaf folder cnaphalocrocis medinalis case worm nymphula depunctalis gundhi bug leptocorisa acuta mealy bug brevenia rehi swarming caterpiller spodoptera. Rtbv was transmitted by leafhoppers which had been given acquisition access to rtsv at the same time or before. The rice green leafhoppers glh are one of the most devastating rice pests throughout the rice. Infection characteristics of rice stripe mosaic virus in the. Juss were found to be highly effective in reducing the survival of a. Inherent digital library dampak andrografolid dan dua. Studies on the life history and the population dynamics of the green rice leafhopper, nephotettix cincticeps uhler. The species is a vector of rice yellow dwarf virus in japan and rice tungro disease in the philippines. Report of the economic botanist to the government of. Nephotettix cincticeps uhler rice yellow dwarf16srxia rice asia vector species disease association host plants distribution phytoplasma group nephotettix virescens distant rice yellow. The leafhopper nephotettix virescens is a new vector insect for rsmv. The manipulation and encouragement of predators and parasitoids is likely to be of considerable importance in most countries where tungro disease is important.
Routine phenotyping during breeding programs likely maintains high levels of quantitative resistance to leafhoppers. Nephotettix virescens were transferred and maintained on tn1, ir26, ir36, ir64, or a mixture of the four cultivars plus ir54 and ir56 in equal proportion. Diversity of insect pests in major rice growing areas of the world. Repellency of volatile organic chemicals of kakawate, gliricidia sepium jacq walp. Resistance to green leafhopper nephotettix virescens and brown planthopper nilaparvata lugens in transgenic rice expressing snowdrop lectin galanthus nivalis agglutinin. It is not a vector of rice stunt virus nielson 1968. Responses and adaptation by n ephotettix virescens to monogenic.
Effects of tungro virusinfected rice plants on the behavior and biology of the vector nephotettix virescens distant were investigated. Genetic analysis of resistance to green leafhopper. Management of the rice tungro virus vector nephotettix virescens homoptera. Studies on probing stimulants for the green rice leafhopper. Population characteristics and tungro transmission by. Integrated pest management ipm programmes for the control of n. We assessed the nature of resistance against the leafhopper in. Files are available under licenses specified on their description page. Between the two hemipterans, bph is the most dam aging pest of rice in several asian countries as reported in the last 10 years which may be avoided if rice ecosys. Electronically recorded disturbances in feeding behavior of. Virusvector composition analysis in rice tungro virus epidemics in telangana region of andhra pradesh, india.
Pdf dynamical roguing model for controlling the spread of. Efisiensi penularan virus tungro oleh nephotettix virescens homoptera. The flight activity of each of the three major leafhopper vectors of rice tungro viruses, nephotettix virescens distant, n. Green leafhopperresistant variety is one of rice tungro virus disease control measure. Population dynamics of the green leafhopper, nephotettix virescens distant hemiptera.
Pdf dynamical roguing model for controlling the spread. Elasmopalpus lignosellus elasli unclassified gill hk, capinera jl, mcsorley r 2017 featured creatures. Juss were found to be highly effective in reducing the survival of a leafhopper n. Screening of hybrid and inbreed rice varieties against. A food web approach to evaluating the effect of insecticide. Population dynamics ofnephotettix virescens was studied in 17 paddy fields transplanted at intervals of about 1 month in 19881990. Screening of hybrid and inbreed rice varieties against tungro. The degree of predation of leafhopper by lycosa pseudoannulata and cyrtorhinus lividipennis was the same on all varieties, regardless of the level of varietal resistance to n. The statistical analysis is based on a oneway anova followed by dunnetts multiple. The biogenic amine octopamine oa acts as a neurotransmitter, neuromodulator and neurohormone in physiology and behaviors of invertebrate, and carries out many of the functional. Pdf feeding behavior of nephotettix virescens homoptera. Cyto and nucleorhabdoviruses have unsegmented genomes and enveloped bulletshaped or bacilliform particles, much like their animal. Oils extracted from sceds of custardapple annona squamosa l.
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