2002
DOI: 10.1590/s1519-566x2002000200017
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Resistência de genótipos de soja a Bemisia tabaci (Genn.) biótipo B (Hemiptera: Aleyrodidae)

Abstract: -Twenty soybean genotypes were evaluated in relation to silverleaf whitefly [Bemisia tabaci (Genn.) biotype B] resistance, in a free-choice test, under greenhouse conditions. The experiment was carried out with artificially infested soybean plants and evaluated during vegetative and reproductive stages. Line D 75-10169 and cultivars IAC 17 and IAC 19 presented nonpreference for oviposition, weak colonization and low adult attractiveness. Trichome density at abaxial trifoliolate surface was also measured in t… Show more

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Cited by 56 publications
(59 citation statements)
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“…The oviposition preference of B. tabaci biotype B was studied according to Valle & Lourenção (2002) on 16 soybean genotypes chosen from several cultivars adapted for the Central Brazil region and some genotypes (lines and plant introductions) known to be resistant to white lies and used in breeding programs. The genotypes used were: 'IAC 17' and 'IAC 19' as standards for resistance, 'IAC Holambra Stwart' as standard for susceptibility (Valle & Lourenção 2002), and BABR01-0492, BABR01-0173, BABR01-1259, BABR01-1576, BABR99-4021HC, BABR99-4021HP, 'Barreiras', 'Conquista', 'Corisco', 'BRS Gralha', PI274454, PI227687, and PI171451.…”
Section: Oviposi On and Coloniza On Preference: Free-choice Testmentioning
confidence: 99%
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“…The oviposition preference of B. tabaci biotype B was studied according to Valle & Lourenção (2002) on 16 soybean genotypes chosen from several cultivars adapted for the Central Brazil region and some genotypes (lines and plant introductions) known to be resistant to white lies and used in breeding programs. The genotypes used were: 'IAC 17' and 'IAC 19' as standards for resistance, 'IAC Holambra Stwart' as standard for susceptibility (Valle & Lourenção 2002), and BABR01-0492, BABR01-0173, BABR01-1259, BABR01-1576, BABR99-4021HC, BABR99-4021HP, 'Barreiras', 'Conquista', 'Corisco', 'BRS Gralha', PI274454, PI227687, and PI171451.…”
Section: Oviposi On and Coloniza On Preference: Free-choice Testmentioning
confidence: 99%
“…The genotypes used were: 'IAC 17' and 'IAC 19' as standards for resistance, 'IAC Holambra Stwart' as standard for susceptibility (Valle & Lourenção 2002), and BABR01-0492, BABR01-0173, BABR01-1259, BABR01-1576, BABR99-4021HC, BABR99-4021HP, 'Barreiras', 'Conquista', 'Corisco', 'BRS Gralha', PI274454, PI227687, and PI171451.…”
Section: Oviposi On and Coloniza On Preference: Free-choice Testmentioning
confidence: 99%
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“…Blua et al (1995) também verificaram nítida preferência de B. tabaci e B. argentifolii (= B. tabaci biótipo B) quanto à oviposição em plantas hospedeiras, em estudo com chance de escolha; essa preferência não foi mantida no teste sem chance de escolha. Valle (2001), ao avaliar o efeito da pilosidade na resistência de soja em relação à mosca-branca, ressalta a manutenção dessa característi-ca mesmo em condições em que o inseto não tenha como selecionar outra cultivar para oviposição.…”
Section: Cultivaresunclassified
“…Como alternativa ao uso intenso de agrotóxicos para seu controle, deve ser estimulado cada vez mais o estudo da resistência varietal desta cultura a B. tabaci biótipo B (VILLAS BÔAS et al, 2004), método de controle que preconiza a obtenção de material resistente a pragas e doenças (LARA, 1991).…”
Section: Introductionunclassified