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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251012131627.0</controlfield>
  <controlfield tag="008">251012b2017    bl.|r|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="a">BR-BrBNA</subfield>
    <subfield code="b">eng</subfield>
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    <subfield code="a">H10</subfield>
    <subfield code="b">4020</subfield>
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    <subfield code="a">H01</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Carvalho, Juliane Damasceno de </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Neves, Felipe Lopes </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Silva, Claudia Durval da </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Bittencourt, Maria Aparecida Le&#xE3;o </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Biological aspects and insecticide action of plant species on eggs and nymphs of citrus black fly (Aleurocanthus woglumi Ashby - Aleyrodidae)  at laboratory  level</subfield>
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Publica&#xE7;&#xE3;o online; 31 ref.; 8 illus.; Summaries  (En, Pt)
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ABSTRACT -      Aleurocanthus woglumi Ashby (Hemiptera: Aleyrodidae) is an important pest of many plant species in particular citrus species. The aims of this study were: (1) to observe &#x2018;in vitro&#x2019; biological aspects in three hosts and (2) to evaluate the bioactivity of plant species on immature A.woglum. Aqueous neem extract (Meliaceae), cassava wastewater, pepper sauce and gravy peduncle floral carnation guinea button and commercial neem were used in the experiment. Egg viability (%), nymphal period duration, nymphal mortality (%), puparium stage duration and pupae viability (%) were evaluated in 50 egg positions, with minimum of five eggs in &#x201C;Pera&#x201D; orange, mango and malay apple leaves obtained in the field. The insecticide effect (translaminar action and direct spray) at different concentrations on immature A.woglumi was evaluated. The first bioassay conducted to evaluate the bioactivity of species by translaminar action, each sample unit corresponded to three leaves, with minimum of 20 eggs and 20 1st instar nymphs, the variables were unviable eggs and nymph mortality (%); the experiment had a completely randomized design with four replications. In the second bioassay, fully infected branches were sprayed on upper and lower face of leaves with all treatments. Leaves with at least 40 eggs and 40 1st instar nymphs were marked, and mortality (%) and emergence (%) of adults were evaluated for seven days; each sample unit was represented by 40 eggs and 40 1st instar nymphs and the experiment had a completely randomized design with four replications. The average duration of the nymphal period ranged from 7.76 to 24.18 days in &#x201C;Pera&#x201D; orange, and from 8.86 to 25.20 days in mango. There was no significant difference between the viability of eggs and nymphs in &#x201C;Pera&#x201D; orange and mango or pupae viability between &#x201C;Pera&#x201D; orange and malay apple. Treatment efficiency was evaluated using the Abbott&#x2019;s formula [E(%) = T-I/T x 100], where E ( % ) = efficiency percentage, T = number of live insects in the control treatment and I = number of live insects in treatment with insecticide. Therefore, in the first bioassay conducted to evaluate the bioactivity of species by translaminar action, all treatments showed efficiency greater than 50%. In the second bioassay by direct spraying to cassava wastewater (100% and 50 %) and commercial neem oil (1%), treatment had nymphal mortality efficiency greater than 80%.



Index Terms:     Azadirachta indica. Botanical insecticide. Manipueira</subfield>
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RESUMO -     Aleurocanthus woglumi Ashby (Hemiptera: Aleyrodidae) &#xE9; uma importante praga para diversas esp&#xE9;cies bot&#xE2;nicas, em especial as esp&#xE9;cies c&#xED;tricas. Os objetivos deste estudo foram: (1) observar in vitro aspectos biol&#xF3;gicos em tr&#xEA;s hospedeiros (laranjeira-pera, mangueira, jambeiro-vermelho) e (2) avaliar a bioatividade de esp&#xE9;cies vegetais sobre imaturos de A.woglum. Foram utilizados no experimento extrato aquoso de nim (Meliaceae), manipueira, calda de pimentas, calda do ped&#xFA;nculo do bot&#xE3;o floral do craveiro da &#xED;ndia e o &#xF3;leo de nim comercial. Foi avaliada a viabilidade de ovos (%), dura&#xE7;&#xE3;o do per&#xED;odo ninfal, mortalidade de ninfas (%), dura&#xE7;&#xE3;o da fase de pup&#xE1;rio e viabilidade dos pup&#xE1;rios (%) em 50 posturas, com m&#xED;nimo de cinco ovos, em folhas de laranjeira-pera, mangueira e jambeiro-vermelho obtidas em campo. Foi avaliado o efeito inseticida (a&#xE7;&#xE3;o translaminar e pulveriza&#xE7;&#xE3;o direta) em diferentes concentra&#xE7;&#xF5;es sobre imaturos de A.woglumi. No primeiro bioensaio, realizado para avaliar a bioatividade das esp&#xE9;cies pela a&#xE7;&#xE3;o translaminar, cada unidade amostral correspondeu a tr&#xEA;s folhas, com m&#xED;nimo de 20 ovos e 20 ninfas de 1&#xBA; &#xED;nstar, as vari&#xE1;veis avaliadas foram inviabilidade de ovos e mortalidade de ninfas (%); o experimento foi em delineamento inteiramente casualizado, em quatro repeti&#xE7;&#xF5;es. No segundo bioensaio, ramos infestados foram pulverizados totalmente, nas faces inferior e superior das folhas, com todos oss tratamentos. Folhas com, no m&#xED;nimo, 40 ovos e 40 ninfas de 1&#xBA; instar foram marcadas, e durante sete dias foram avaliada a mortalidade (%) e a emerg&#xEA;ncia (%) de adultos; cada unidade amostral foi representada por 40 ovos e 40 ninfas de 1&#xBA; instar, e o experimento foi em delineamento inteiramente casualizado, em quatro repeti&#xE7;&#xF5;es. A dura&#xE7;&#xE3;o m&#xE9;dia do per&#xED;odo ninfal variou de 7,76 a 24,18 dias em laranjeira-pera, e de 8,86 a 25,20 dias em mangueira. N&#xE3;o foi observada diferen&#xE7;a significativa entre a viabilidade de ovos e ninfas em laranjeira-pera e mangueira nem a viabilidade de pup&#xE1;rios entre laranjeira-pera e jambeiro-vermelho. A efici&#xEA;ncia dos tratamentos foi avaliada pela f&#xF3;rmula de Abbott [E(%) = T-I/T x 100], onde E (%)= porcentagem de efici&#xEA;ncia, T = n&#xFA;mero de insetos vivos na testemunha e I = n&#xFA;mero de insetos vivos no tratamento com inseticida. Sendo assim, no primeiro bioensaio realizado para avaliar a bioatividade das esp&#xE9;cies pela a&#xE7;&#xE3;o translaminar todos os tratamentos apresentaram efici&#xEA;ncia maior que 50%. No segundo bioensaio atrav&#xE9;s da pulveriza&#xE7;&#xE3;o direta a manipueira (100% e 50%) e o &#xF3;leo de nim comercial (1%) apresentaram efici&#xEA;ncia superior. 


Termos para indexa&#xE7;&#xE3;o:     Azadirachta indica, inseticida bot&#xE2;nico, manipueira</subfield>
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    <subfield code="a">PRAGA DE PLANTA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">MOSCA NEGRA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">LEVANTAMENTO FITOSSANIT&#xC1;RIO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">INSETICIDA BOT&#xC2;NICO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">DEFESA VEGETAL</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">805</subfield>
    <subfield code="9">317030</subfield>
    <subfield code="d">Jaboticabal-SP Sociedade Brasileira de Fruticultura 1978</subfield>
    <subfield code="o">2024-3592</subfield>
    <subfield code="t">Revista Brasileira de Fruticultura (Brazil)</subfield>
    <subfield code="x">0100-2945</subfield>
    <subfield code="g">v. 39(5) p. 1-11; (2017)</subfield>
    <subfield code="w">BR2025004235</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbf/a/mLCGtDWQHbrCdWsBf5WDL3f/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">338658</subfield>
    <subfield code="d">338658</subfield>
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