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A worldwide survey of tomato yellow leaf curl viruses Inra
Czosnek, H.; Laterrot, H..
The name tomato yellow leaf curl virus (TYLCV) has been given to several whitefly-transmitted geminiviruses affecting tomato cultures in many tropical and subtropical regions. Hybridization tests with two DNA probes derived from a cloned isolate of TYLCV from Israel (TYLCV-ISR) were used to assess the affinities of viruses in naturally infected tomato plants with yellow leaf curl or leaf curl symptoms from 25 countries. Probe A which included most of the intergenic region was expected to detect only isolates closely related to TYLCV-ISR, especially after high stringency washes. In contrast probe B, which included the full-length genome, was expected to detect a wide range of whitefly-transmitted geminiviruses. Tomato samples from six countries in the...
Tipo: Journal Article Palavras-chave: VIRUS DE L'ENROULEMENT JAUNE DE LA TOMATE; GEMINIVIRUS; BEMISIA TABACI; VIRUS DES VEGETAUX; SEQUENCE NUCLEOTIDIQUE; VECTEUR DE MALADIE; DISTRIBUTION GEOGRAPHIQUE.
Ano: 1997 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9700027877065437&uri=/notices/prodinra1/2010/11/
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Avaliação de acesso de algodoeiro da coleção de trabalho da Embrapa algodão quanto à resistência a Bemisia tabaci (Biótipo B.). Repositório Alice
RODRIGUES, S. M. M.; FARIAS, F. J. C.; VENERO, E..
2013
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: ALGODÃO; BEMISIA TABACI; MOSCA BRANCA; RESISTÊNCIA.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/984460
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Avaliação de acessos de algodoeiro da coleção de trabalho da Embrapa Algodão quanto à resistência a Bemisia tabaci (Biótipo B). Repositório Alice
RODRIGUES, S. M. M.; FARIAS, F. J. C.; VENERO, E..
2013
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: ALGODÃO; ENTOMOLOGIA; BEMISIA TABACI; AVALIAÇÃO.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/984777
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Compatibility between biopesticides used to control grey mould, powdery mildew and whitefly on tomato Inra
Bardin, M.; Fargues, J.; Nicot, P.C..
Botrytis cinerea, Oidium neolycopersici and Bemisia tabaci are among the most important pests encountered on tomato in greenhouses. In order to limit their development, biological methods of control have been elaborated. To protect pruning wounds against B. cinerea at crop level, the fungus Microdochium dimerum has shown a high efficacy. The formulated plant extract from the giant knotweed Reynoutria sachalinensis (Milsana) has shown a high efficacy to control powdery mildew of tomato. The myco-insecticide based on Lecanicillium muscarium (Mycotal) appears to be a promising biological control agent against whiteflies. The use of these products in a context of integrated protection of tomato requires that their efficacy is not altered when applied together....
Tipo: Journal Article Palavras-chave: MYCOINSECTICIDE; INSECTE VECTEUR BIOLOGICAL CONTROL; INTEGRATED PEST MANAGEMENT; BEMISIA TABACI.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008604354c&uri=/notices/prodinra1/2008/08/
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Effect of tomato deleafing on mirids, the natural predators of whiteflies Inra
Bonato, O.; Ridray, G..
Sustainability in Mediterranean greenhouse agrosystems involves environmentally- friendly techniques based on biological and non- chemical methods. Deleafing is a common agricultural practice used to accelerate fruit ripening and facilitate farming methods. However, deleafing may have an impact on mirids, a natural predator used to control whiteflies, which are considered among the most noxious insect pests of field and greenhouse crops worldwide. Here we studied the impact of leaf removal on populations of mirids. Two deleafing practices were tested: ( a) regular deleafing, with the first removal of 2 leaves per plant 10 weeks after sowing; and ( b) delayed deleafing, in which the first removal was delayed by 14 days. Our results show that regular...
Tipo: Journal Article Palavras-chave: PREDATEUR; ALEURODE; DEFOLIATION; MOUCHE BLANCHE DELEAFING; IMPACT; MACROLOPHUS CALIGINOSUS; BEMISIA TABACI; TRIALEURODES VAPORARIORUM; TOMATO.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200841867b22&uri=/notices/prodinra1/2010/09/
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Genetic structure of the invasive pest Bemisia tabaci: evidence of limited but persistent genetic differentiation in glasshouse populations Inra
Dalmon, A.; Halkett, F.; Granier, M.; Delatte, H; Peterschmitt, M..
The geographic range of plant pests can be modified by theuse of glasshouses. Bemisia tabaci, originating from warm tohot climates, has been shown to be a complex of distinctgenetic groups with very limited gene flow. The geneticstructure of this pest was studied in glasshouses in southernFrance, a region beyond the northern limit of its open-fielddevelopment area in Europe. Seven microsatellite loci werescored in 22 populations sampled from various regions over3 years. Two genetic groups were distinguished using aBayesian clustering method and were assigned to the socalledbiotypes B and Q using the gene sequence ofcytochrome oxidase 1 (CO1). All but one populationcorresponded to biotype Q, even though only biotype Bwas previously reported. Despite the...
Tipo: Journal Article Palavras-chave: BEMISIA TABACI; HEMIPTERA; ALEYRODIDAE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201039c785a0&uri=/notices/prodinra1/2010/06/
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Mise en évidence expérimentale de la parthénogenèse arrhénotoque chez Bemisia tabaci biotype Q (Homoptera : Aleyrodidae) Inra
Bonato, O.; Abdelslam, K.; Fargues, J..
Le mode de reproduction de Bemisia tabaci(Gennadius) par parthénogenèse a déjà été signalépar quelques auteurs sans qu’aucuneprécision du biotype ne soit indiquée. Or Bemisia tabaci,actuellement présente sur tous les continents, englobe uncomplexe de biotypes morphologiquement identiquesuniquement distinguables par leurs caractéristiquesbiologiques et génétiques (comportement et gammealimentaire, potentialité de vection, taux de croissance,interfécondité, etc.). Les populations appartenant aubiotype Q n’ont pas un potentiel biotique très élevécomparativement aux autres biotypes (notamment leB) en revanche elles ont la particularité de présenterun haut de degré de résistance aux insecticides (lesnéonicotinoïdes et le pyroproxyfen). La...
Tipo: Journal Article Palavras-chave: PARTHENOGENESE; BIOTYPE; BEMISIA TABACI; ALEURODE; REPRODUCTION ASEXUEE.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008cc3e283e&uri=/notices/prodinra1/2008/08/
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Quelques aspects de la transmission de la mosaïque du manioc IRD
Dubern, Jean.
Tipo: Text Palavras-chave: MANIOC; TRANSMISSION; PHYTOVIRUS; MOSAIQUE AFRICAINE; BEMISIA TABACI; MANIHOT ESCULENTA.
Ano: 1977 URL: http://www.documentation.ird.fr/hor/fdi:08918
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Teor diferencial de ácidos fenólicos em variedades de algodoeiro infestadas ou não por mosca branca, Bemisia Tabaci. Repositório Alice
MARGARELLI, G.; SOUSA FILHO, I. A. de; HOFFMANN, L. V.; ALVES, T. C. R.; QUINTELA, E. D.; CASTRO, C. S. P. de.
2013
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: ENTOMOLOGIA; MOSCA BRANCA; BEMISIA TABACI; ÁCIDOS FENÓLICOS; ALGODÃO.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/984785
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Twelve new polymorphic microsatellite loci and PCR multiplexing in the whitefly, Bemisia tabaci Inra
Gauthier, N.; Dalleau-Clouet, C.; Bouvret, M.E..
Twelve new dinucleotide microsatellite loci of the whitefly, Bemisia tabaci, were obtained from enriched genomic libraries. Three polymerase chain reaction multiplex sets comprising three, five and four loci were optimized and characterized across 133 B. tabaci females from Israeli rearings and natural populations collected in four Mediterranean countries (Tunisia, France, Spain and Morocco). There were three to 24 alleles per locus and the observed heterozygosity was from 0.084 to 0.420. Deviation from Hardy–Weinberg equilibrium was detected at four loci associated with significant heterozygote deficiencies due to null alleles and presence of subpopulations that were mostly in the Tunisian sample. The 12 loci carried independent information
Tipo: Journal Article Palavras-chave: ESPECES INVASIVES; ALEURODE B- AND Q-BIOTYPES; BEMISIA TABACI; INVASIVE PEST; MICROSATELLITES; MULTIPLEX PCR.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2009a729d8cd&uri=/notices/prodinra1/2010/03/
Registros recuperados: 10
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