2009
DOI: 10.1590/s1519-566x2009000100014
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Comportamento de oviposição da mosca-branca Bemisia tabaci (Genn.) (Hemiptera: Aleyrodidae) biótipo B em tomateiro

Abstract: -The objective of this work was to evaluate the infl uence of the leaf surface, the insect geotropic behavior and the type of foliar trichome on Bemisia tabaci (Genn.) biotype B oviposition on tomato leaves. Bemisia tabaci females were confi ned in acrylic boxes in which tomato leafl ets were fi xed at the bottom and top part of the boxes to allow insects to access the leaf surface to be tested (adaxial and/or abaxial) in both no-choice and free choice tests. Oviposition was always higher when the leaf was off… Show more

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Cited by 9 publications
(3 citation statements)
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References 22 publications
(35 reference statements)
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“…Many studies have associated tomato pests resistance to trichomes present in leaflets, related to changes in oviposition and survival of whitefly nymphs. Vendramim et al (2009) related that oviposition of B. tabaci biotype B was concentrated near to non glandular trichomes. On the other hand, Gonçalves et al (2007) verified that acylsugars levels were correlated with neither glandular nor non-glandular trichome densities.…”
Section: Resultsmentioning
confidence: 94%
“…Many studies have associated tomato pests resistance to trichomes present in leaflets, related to changes in oviposition and survival of whitefly nymphs. Vendramim et al (2009) related that oviposition of B. tabaci biotype B was concentrated near to non glandular trichomes. On the other hand, Gonçalves et al (2007) verified that acylsugars levels were correlated with neither glandular nor non-glandular trichome densities.…”
Section: Resultsmentioning
confidence: 94%
“…The whitefly is a very adaptive insect with a high oviposition rate (Oliveira & Silva, ), laying its eggs in the abaxial surface of young soybean leaves (). After hatching, the first instars move along the soybean leaf until they find a favorable site for their development, where they insert their stylet into the phloem and remain sessile until the emergence of the adult (Byrne & Bellows, ).…”
Section: Introductionmentioning
confidence: 99%
“…Os ovos são piriformes, com pilosidade moderada, para que fiquem protegidos contra o vento e dessecação, e apresentam coloração amarela nos primeiros dias e vermelhos amarelados a marrom quando próximos à eclosão (EICHELKRAUT & CARDONA, 1989;SIMMONS, 1994). São depositados na parte inferior das folhas mais novas (VENDRAMIM et al, 2009) isoladamente ou em grupos no tecido foliar (VILLAS BÔAS et al,1997) e presos por uma extensão do córion chamada de pedicelo (BYRNE & BELLOWS JUNIOR, 1991;PAULSON & BEARDSLEY, 1985). Além dessa função, BUCKNER et al, 2002 descreveram que a principal função do pedicelo dos ovos das moscas-brancas possa ser para servir como veículo de absorção de água a partir da planta hospedeira.…”
Section: Bemisia Tabaciunclassified