Cloning and rna interference analysis of the salivary. Using an immunological approach, we have quantitated the amount of the b. Schizaphis graminum toxogr schizaphis hypersiphonata schphy schizaphis nigerrima schpni schizaphis piricola toxopi schizaphis rotundiventris schpro. Created on 3122009 greenbug, schizaphis graminum homoptera. Aphididae is one of the principal pests of triticum aestivum l. Natural and induced differences in probing behavior of two. There are about 40 recognized schizaphis species worldwide with seven known from north america black. Genomic and proteomic analysis of schizaphis graminum reveals cyclophilin proteins are involved in the transmission of cereal yellow dwarf virus cecilia tamborindeguy, 1, a michael s. A population of greenbug, schizaphis graminum rondani was originally collected from barley fields in isfahan central iran. The predatory potential of larval stage was ranged from 161 to 184 aphidslarvae. Protein identifications and constituent peptides derived from lcmsms analysis of saliva from differentially virulent schizaphis graminum. All structured data from the file and property namespaces is.
Aphididae are considered two important pests of wheat and other cereals worldwide, as they suck. A recently discovered biotype of the greenbug, schizaphis graminum rondani, biotype e gbe, was found to grow and reproduce at approximately twice the rate of biotype c gbc on a gbcresistant variety of sorghum, is 809. Pdf the greenbug, schizaphis graminum rondani hemiptera. Schizaphis graminum strain sg taxonomy navigation buchnera aphidicola schizaphis graminum terminal leaf node. However, few studies have attempted to identify the different defence responses induced in wheat by s. Recombinant bacillus subtilis 26dcrychs line with gene. Comparative transcriptome and histological analyses of. Nov 20, 2019 molecular cloning and nucleotide sequence of a putative trpdcfba operon in buchnera aphidicola endosymbiont of the aphid schizaphis graminum. A fact from schizaphis graminum appeared on wikipedia s main page in the did you know. Based on host plant response to infestation, several biotypes of this pest have been identified and their. Aphididae attacks cereals, particularly wheat triticum spp. Aphididae are considered two important pests of wheat and other cereals worldwide, as they suck phloem sap and serve as vectors of the barley yellow dwarf virus bydv, resulting in significant yield losses 14, 15. Aphididae, is an important aphid pest of cereal crops that causes enormous losses via direct e.
Greenbug, schizaphis graminum rondani, is a major insect pest of wheat and sorghum on the southern great plains. Field trials were carried out to evaluate the efficacy of three synthetic insecticides at their field recommended doses i. We hypothesized that silicons role in plant defense is due to the. Infestation of the phytotoxic aphid schizaphis graminum can rapidly induce leaf chlorosis in. The greenbug, schizaphis graminum rondani, significantly reduces wheat, triticum aestivum l. The novel recombinant bacillus subtilis 26dcrychs line that contains the bacillus thuringiensis b5351 strain gene btcry1ia encoding cry1ia toxin is described. According to the paperwork reduction act of 1995 an agency may not conduct.
The probing behavior of both biotypes was electronically monitored on is 809. Temperaturedependent life history of schizaphis graminum on barley. Pdf the greenbug, schizaphis graminum rondani, is a major pest of wheat worldwide. Using groundbased multispectral radiometry to detect. Aphididae using rapd markers m arcelo l opes da s ilva 1,2, g abriela e. The effects of silica fertilizer as an antiherbivore. Levels of buchnera aphidicola chaperonin groel during growth. Identification greenbugs are small, pale green aphids with a dark green line down the back and antennae as. Field evaluation of different insecticides against wheat. Greenbug, schizaphis graminum rondani, is a major insect pest of sorghum causing significant economic damage. Aphididae, was first discovered damaging the warm season turfgrass seashore paspalum cultivar seadwarf in. Characterization and genetic relationships among brazilian biotypes of schizaphis graminum rondani hemiptera. Form approved omb no 05810055 according to the paperwork reduction act of 1995, an agency may not conduct or sponsor, and a person is not required to respond to a collection of information unless it displays a. Form approved omb no 05810055 according to the paperwork reduction act of 1995, an agency may not conduct.
All structured data from the file and property namespaces is available under the creative commons cc0 license. Bereman, 2, b stacy deblasio, 1 david igwe, 3 dawn m. These results, in conjunction with similar results for the trpegcontaining plasmids, suggest that d. Genomic and proteomic analysis of schizaphis graminum reveals. Objective description of variety wheat triticum spp. The greenbug, schizaphis graminum rondani homoptera. Files are available under licenses specified on their description page. Corn leaf aphid, rhopalosiphum maidis, as a key to greenbugkey to greenbug, schizaphis graminumschizaphis graminum, biological control in grain sorghum, sorghum. Note small chlorotic spits surrounded by water soaked spots on both leaves.
Greenbug aphid schizaphis graminum greenbugs are distributed throughout the united states. Within populations of this species, several biotypes, which are clones that. Described by rondani, it was first placed in the genus aphis rondani 1852 and later moved to the genus toxoptera. Download acrobat pdf file 45kb supplemental table 1. Aphididae, is one of the most destructive pests of wheat. Although they are not usually considered a major turfgrass pest, they have been known to cause extensive damage to bluegrasses, fescues, and perennial ryegrasses. This study aims to improve our understanding of silicons role in deterring herbivores from cucumis sativa. Aphididae, is an aphid pest of wheat, triticum aestivum, sorghum, sorghum bicolor, barley.
The prokaryotic endosymbiont buchnera of the aphid schizaphis graminum contains 24 copies of a plasmid that has genes encoding enzymes of the leucine biosynthetic. If you do not see its contents the file may be temporarily unavailable at the journal website or you do not have a pdf plugin installed and enabled in your browser. Using groundbased multispectral radiometry to detect stress. Cloning and rna interference analysis of the salivary protein c002 gene in schizaphis graminum 1 zhang yong, fan jia, chen julian, sun jingrui and cheng dengfa state key laboratory. Within populations of this species, several biotypes, which are clones that share same virulence relationships with cultivated plants, can be distinguished. Sexual forms of two genotypes of the aphid schizaphis graminum, one a vector, the other a nonvector of two viruses that cause barley yellow dwarf disease barley yellow dwarf virus bydvsgv, luteovirus and cereal yellow dwarf virusrpv, polerovirus, were mated to generate f1 and f2 populations. Biotype characterization and genetic diversity of the. Resistance of nine wheat cultivars and lines to greenbug. This document is eeny353 in634, one of a series of featured creatures from the entomology and nematology department, ufifas extension. Greenbug schizaphis graminum rondani outbreaks appear in the great. Levels of buchnera aphidicola chaperonin groel during. It is a true bug and feeds on the leaves of gramineae grass family members.
Corn leaf aphid, rhopalosiphum maidis, as a key to. The greenbug schizaphis graminum rondani is one of the most important cereals pests in the world. Apr 01, 2008 greenbug, schizaphis graminum rondani hemiptera. Molecular cloning and nucleotide sequence of a putative trpdcfba operon in buchnera aphidicola endosymbiont of the aphid schizaphis graminum. Feeding behaviour of the greenbug schizaphis graminum on wheat. Schizaphis graminum an overview sciencedirect topics. January february 2004 43 systematics, morphology and physiology characterization and genetic relationships among brazilian biotypes of schizaphis graminum rondani. Reddish spots and necrotic tissue result after only four days of feeding. A new distribution map is provided for schizaphis graminum rondani hemiptera. The greenbug, schizaphis graminum rondani, is a serious economic pest of grain sorghum, sorghum bicolor l. Resistance of wild wheat, triticum boeoticum boiss. Aphididae, was first discovered damaging the warm season turfgrass seashore paspalum cultivar seadwarf in november 2003 at the university of floridas everglades research and education center, belle glade, fl nuessly et al. It is a true bug and feeds on the leaves of gramineae grass family.
General information about schizaphis graminum toxogr eppo global database. Hymenopterous parasites and hyperparasites of schizaphis graminum rondani hom. Host plant resistance hpr can protect yield, is environmentally. The adult predatory potential of female beetle was significantly higher than male. Greenbug, schizaphis graminum rondani, damage symptoms on seashore paspalum turfgrass. Schizaphis graminum rondani, a newly reported vector of maize dwarf mosaic virus, was used to determine the sites of virus acquisition from corn leaf tissues. Eeny353 greenbug, schizaphis graminum rondani insecta. Resistance and susceptibility of some wheat cultivars and. The prokaryotic endosymbiont buchnera of the aphid schizaphis graminum contains 24 copies of a plasmid that has genes encoding enzymes of the leucine biosynthetic pathway while the endosymbiont of the related aphid diuraphis noxia has only one copy of this plasmid. Host race evolution in schizaphis graminum hemiptera. Buchnera aphidicola is the prokaryotic, intracellular symbiont found in the aphid schizaphis graminum. Using an immunological approach, we have quantitated the amount of. There are about 40 recognized schizaphis species worldwide with seven known from north america blackman and.
The grain aphid sitobion avenae and the greenbug schizaphis graminum hemiptera. Its original distribution is the palaearctic, but it has been introduced to other parts of the world. Characterization and genetic relationships among brazilian. Greenbug, schizaphis graminum rondani, an important vector of barley yellow dwarf mosaic virus, is a major pest of cereals in many countries. Frontiers genetics of greenbug resistance in synthetic. Greenbug schizaphis graminum, rondani biotype e interaction on four genotypes of corn zea mays, l. It is a sapsucking aphid, which removes the phloem sap, and injects phytotoxins into the plants. Biology and biotype determination of greenbug, schizaphis. Biotype characterization and genetic diversity of the greenbug, schizaphis graminum hemiptera. The greenbug, schizaphis graminum rondani, has been recognized as a major pest of small grains for over 150 years. Proteins identified in the saliva of schizaphis graminum rondani biotypes. An schizaphis graminum in uska species han insecta. Mitochondrial dna sequence divergence among schizaphis. Based on host plant response to infestation, several.
Schizaphis graminum toxogroverview eppo global database. Effect of photoperiod on biological attributes of harmonia. A preliminary survey conducted in the punjab and north western frontier province of pakistan revealed medium to heavy infestations at charsadda density 12 apterous greenbugs25 plants, sher shah multan density 33 and malkot murree density 114. The greenbug, schizaphis graminum rondani, is a major pest of wheat worldwide. For 6 years, the abundance and efficacy of parasites of the greenbug, schizaphis graminum rond. Comparative transcriptome and histological analyses of wheat. Ang schizaphis graminum sakop sa kahenera nga schizaphis sa kabanay nga aphididae.
This is your first entry to the taxa hierarchy display. The greenbug aphid, schizaphis graminum rondani was introduced into the united states in the late 1880s, and quickly was established as a pest of w. Greenbug schizaphis graminum rondani outbreaks appear in the great plains almost every year and have had significant economic impacts on wheat and sorghum yields. Greenbug, schizaphis graminum rondani edis university of.
Genomic and proteomic analysis of schizaphis graminum. Based on host plant response to infestation, several biotypes of this pest have been identified and their phylogenetic relationships inferred using the mitochondrial coi. Ang schizaphis graminum sakop sa kahenera nga schizaphis sa kabanay nga aphididae matang nga nahiubos. Infestation of the phytotoxic aphid schizaphis graminum can rapidly induce leaf chlorosis in susceptible plants, but this effect is not observed with the nonphytotoxic aphid. The greenbug, or wheat aphid schizaphis graminum, is an aphid in the superfamily aphidoidea in the order hemiptera. Alternatively, you can download the file locally and open with any standalone pdf reader. You can modify these specifications at any time by clicking the change items displayed button in the header. Field trials were carried out to evaluate the efficacy of three synthetic insecticides at their field recommended. At times, pest management practices can concentrate too narrowly on a specific predator prey interaction without bringing into account other factors. Identification greenbugs are small, pale green aphids with a dark green line down the back and. Cereal aphids are major insect pests of wheat, which cause significant damages to wheat production. A recently discovered biotype of the greenbug, schizaphis graminum rondani, biotype e gbe, was found to grow and reproduce at approximately twice the rate of biotype c gbc on a gbc. An schizaphis graminum in nahilalakip ha genus nga schizaphis, ngan familia nga aphididae subspecies. Infestation of the phytotoxic aphid schizaphis graminum can rapidly induce leaf chlorosis in susceptible plants, but this effect is not observed with the nonphytotoxic aphid sitobion avenae.
3 1333 1262 1127 1159 451 1218 660 1271 1481 1082 1468 608 852 184 1236 658 576 347 511 1494 411 1207 1210 887 206 1023 223 1480