Molecular Evidence for Five Distinct &lt;I&gt;Bemisia tabaci&lt;/I&gt; (Homoptera: Aleyrodidae) Geographic Haplotypes Associated with Cassava Plants in Sub-Saharan Africa

Berry, S. D.; Fondong, Vincent N.; Rey, Chrissie; Rogan, D.; Fauquet, Claude; Brown, Judith K.

doi:10.1603/0013-8746(2004)097[0852:meffdb]2.0.co;2

Cited by 110 publications

(146 citation statements)

References 25 publications

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“…The existence of different B. tabaci whitefly biotypes was proposed in the 1950s, to describe distinct populations of insects based on host plant adaptation and the ability to transmit viruses (Brown et al, 1995;Perring, 2001). This species is considered to be a species complex (Perring, 2001;Berry et al, 2004), with a broad host spectrum. B. tabaci is found in more than 900 plant species (Jones, 2003;Berry et al, 2004), and is able to carry more than 110 different phytoviruses.…”

Section: Introductionmentioning

confidence: 99%

Population variability of Bemisia tabaci (Genn.) in different hosts

Valle

Lourenção²,

Zucchi³

et al. 2013

Genet. Mol. Res.

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ABSTRACT. The silverleaf whitefly, Bemisia tabaci (Genn.) (Hemiptera: Aleyrodidae), is a cryptic species complex that contains some of the most damaging pests in tropical and subtropical regions. Recent studies have indicated that this complex is composed of at least 24 distinct and morphologically indistinguishable species that mainly differ in their ability to transmit phytoviruses, adapt to hosts, and induce physiological changes in certain hosts. The importance of this species has been increasing worldwide, because it serves as a phytovirus vector, particularly for geminiviruses, in economically important crops. Here, we aimed to examine the population variability (2013) G.E. do Valle et al.-soybean], UBman [Ubatuba (SP, Brazil) -cassava], and PEmel [Petrolina (PE, Brazil) -melon]. Thirteen polymorphic loci with 50 alleles were observed, with an average of 2.37 (range: 2.00-2.91) alleles per population. The UBman and PEmel B. tabaci populations were the most differentiated, which was probably caused by insect adaptation to the host plant and the use of insecticides. A 33.87% interpopulation variation was observed, indicating that microsatellites may be used to measure differentiation among these B. tabaci populations. Based on the comparison of microsatellites in the current study, only the Middle East-Asia Minor 1 population of B. tabaci was found in the six populations.

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Section: Introductionmentioning

confidence: 99%

Population variability of Bemisia tabaci (Genn.) in different hosts

Valle

Lourenção²,

Zucchi³

et al. 2013

Genet. Mol. Res.

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“…B. tabaci consists of more than 20 biotypes (Perring, 2001) and utilizes over 600 species of plants as hosts (Oliveira et al, 2001). The polyphagous whitefly causes damage to numerous agricultural and horticultural products, e.g., it induces phytotoxic disorder, causes sooty moulds through excreted honeydew, and transmits plant viruses (Bedford et al, 1994;Markham, 1994;Brown et al, 1995;Jones, 2003;Berry et al, 2004;Bosco et al, 2004). B. tabaci is therefore regarded worldwide as an exceedingly serious insect pest (Bosco et al, 2004;Simón et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Comparison of egg-hatching rate, survival rate and development time of the immature stage between B- and Q-biotypes of Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae) on various agricultural crops

Iida

Kitamura

Honda

2009

Appl. Entomol. Zool.

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Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae) B-and Q-biotypes are exotic insects in Japan and are consequently regarded as insect pests in agricultural fields. Using B-and Q-biotypes, we investigated the hatching rate, survival rate during the larval stage and the total development period from egg to adult. Whiteflies were allowed to lay eggs on several host plants: cabbage, Brassica oleracea var. capitata; cucumber, Cucumis sativus L.; tomato, Solanum lycopersicum L.; eggplant, Solanum melongena L.; bell pepper, Capsicum annuum cv. grossum; and five cultivars of kidney bean, Phaseolus vulgaris (cvs. Kentucky101, Nagauzura, Morocco, Satsukimidori and Honkintoki), and the effects on the above traits were evaluated. Clear differences between the two biotypes were detected. A particularly important difference was that the B-biotype successfully developed to adults on only one of five cultivars of kidney bean, whereas the Q-biotype was able to utilize all the test plants as hosts regardless of the cultivar. This finding suggests that the determination of host plants in B. tabaci is greatly influenced by not only plant species but also by cultivar. In addition, there is a high possibility that the Q-biotype has the ability to adapt to a wider range of plant species and cultivars compared with the B-biotype.

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“…Ao sugar a seiva das plantas, a mosca-branca excreta uma substância açucarada denominada de "honeydew", dando condições favoráveis para o crescimento do fungo Capnodium spp., responsável pela formação da fumagina, na qual deprecia a qualidade da fibra (Berry et al 2004).…”

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Compatibilidade de Metarhizium anisopliae (Metschnikoff) Sorokin (Hypocreales: Clavicipitaceae) com Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae)

Souza¹,

Toscano

Schlick

et al. 2015

EntomoBrasilis

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Resumo. Os agroecossistemas contem vários agentes de controle biológico atuando simultaneamente sobre diferentes ou o mesmo inseto alvo. A cultura do algodoeiro apresenta um rico complexo de inimigos naturais associados às pragas, dentre eles, destaca-se o predador Chrysoperla externa (Hagen) Compatibility Metarhizium anisopliae (Metschnikoff) Sorokin (Hypocreales: Clavicipitaceae) with Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae)Abstract. The ecoagrossistemas several biological control agents acting simultane ously on different or the same target insect. The culture of cotton presents a rich complex of natural enemies associated with pests, among which stands out the predator Chrysoperla externa (Hagen) and the entomopathogenic fungus Metarhizium anisopliae (Metschnikoff) Sorokin. The objective of this study was to evaluate the compatibility of the fungus M. anisopliae on the biological aspects of the predator C. externa. The first study evaluated the development of C. externa when treated with the following suspensions of M. anisopliae: T1 water (control); T2-10 5 conídios.mL -1 de M. anisopliae (M.a.); T3-10 6 conídios.mL -1 de M.a.; T4-10 7 conídios.mL -1 de M.a.;T5-10 8 conídios.mL -1 de M.a.. The second assay measured the duration of the larval and pupal predator and larval mortality in each treatment. For this, C. externa eggs were individualized in Petri dishes and kept under laboratory conditions. When the larvae of C. externa hatched, whitefly nymphs were offered on leaf discs coming from cotton treated with: T1-water (control); T2 -10 5 conídios.

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Molecular Evidence for Five Distinct <I>Bemisia tabaci</I> (Homoptera: Aleyrodidae) Geographic Haplotypes Associated with Cassava Plants in Sub-Saharan Africa

Cited by 110 publications

References 25 publications

Population variability of Bemisia tabaci (Genn.) in different hosts

Population variability of Bemisia tabaci (Genn.) in different hosts

Comparison of egg-hatching rate, survival rate and development time of the immature stage between B- and Q-biotypes of Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae) on various agricultural crops

Compatibilidade de Metarhizium anisopliae (Metschnikoff) Sorokin (Hypocreales: Clavicipitaceae) com Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae)

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