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  <controlfield tag="008">250114b2017    bl.mr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="a">Filgueiras, Rosenya Michely Cintra </subfield>
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    <subfield code="a">Pastori, Patrik Luiz </subfield>
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    <subfield code="a">Pereira, Fabr&#xED;cio Fagundes </subfield>
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    <subfield code="a">Coutinho, Cristiane Ramos </subfield>
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    <subfield code="a">Kassab, Samir Oliveira </subfield>
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    <subfield code="a">Bezerra, Laura Carla Marinho </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Agronomical indicators and incidence of insect borers of tomato fruits protected with non-woven fabric bags</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 25 ref.; Sumaries (En, Pt)</subfield>
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ABSTRACT - Fruit bagging is an efficient mechanical control technique used in fruit growing. However, to date, few studies have evaluated the efficacy of bagging in the cultivation of vegetables, including tomato crops. The objective of this study was to evaluate the effectiveness of bagging of tomato flowers and/or fruits using a non-woven fabric (NWF) for the control of Helicoverpa spp., Neoleucinodes elegantalis, and Tuta absoluta, to evaluate the effect of this technique on the final yield, and determine the optimal period for bagging. Tests were conducted in a commercial crop of staked &#x2018;Valerin&#x2019; tomato plants located in the municipality of Ubajara, Cear&#xE1; State, Brazil. The experimental design was randomized blocks with a 2x4 factorial design (sprayed versus unsprayed plants, and both plant groups were bagged with NWF bags at different growth stages [flowers bagging, bagging of bunches of fruits with a diameter of 1.5cm, bagging of bunches of fruits with a diameter of 3.0cm, and unbagged bunches (control)], with five repetitions. We evaluated the number of fruits per bunch, number of bunches per plant, weight of each fruit, longitudinal and transverse diameter, percentage of bored fruits, yield loss caused by insect infestation, and final yield. Bagging of &#x2018;Valerin&#x2019; tomato bunches with NWF bags was effective for the control of N. elegantalis, and productivity increased by 21.5% when bagging was done in bunches of fruits with a diameter of 1.5cm compared with unbagged fruits; therefore, this growth period was the most suitable for bagging.

Key words: Solanum lycopersicum, mechanical control, Neoleucinodes elegantalis, productivity.</subfield>
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RESUMO - O ensacamento de frutos &#xE9; uma eficiente t&#xE9;cnica de controle mec&#xE2;nico utilizado na fruticultura. No entanto, existem poucos estudos sobre sua efici&#xEA;ncia em hortali&#xE7;as como, por exemplo, o tomate. O objetivo deste trabalho foi avaliar a efici&#xEA;ncia do ensacamento das flores e/ou frutos de tomate com sacos TNT para o controle de Helicoverpa spp., Neoleucinodes elegantalis e Tuta absoluta, avaliar o efeito dessa t&#xE9;cnica sobre a produtividade obtida ao final do ciclo e determinar a melhor &#xE9;poca para realiza&#xE7;&#xE3;o do ensacamento. O ensaio foi realizado em plantio comercial de tomateiro &#x2018;Valerin&#x2019; estaqueado, localizado no munic&#xED;pio de Ubajara, CE. O delineamento experimental foi de blocos casualizados em esquema fatorial 2x4 (plantas pulverizadas versus n&#xE3;o pulverizadas sendo que ambas receberam ensacamento com TNT em diferentes est&#xE1;gios fenol&#xF3;gicos [ensacamento da flor, ensacamento do cacho com frutos de 1,5cm, ensacamento do cacho com frutos de 3,0cm, cachos n&#xE3;o ensacados (Testemunha)], com cinco repeti&#xE7;&#xF5;es. Avaliou-se: n&#xFA;mero de frutos/cacho, n&#xFA;mero de cachos/planta, peso/fruto, di&#xE2;metro longitudinal e transversal, porcentagem de frutos brocados, produtividade, perda provocada pelo ataque de pragas e ganho real obtido. O ensacamento dos cachos de tomate &#x2018;Valerin&#x2019; com TNT foi eficaz para o controle de N. elegantalis e, quando o ensacamento foi realizado em cachos com frutos de 1,5cm de di&#xE2;metro, proporcionou incremento de 21,5% de produtividade em rela&#xE7;&#xE3;o &#xE0;queles n&#xE3;o ensacados sendo, portanto, o per&#xED;odo mais indicado para o ensacamento.

Palavras-chave: Solanum lycopersicum, controle mec&#xE2;nico, Neoleucinodes elegantalis, produtividade</subfield>
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    <subfield code="a">TOMATE</subfield>
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    <subfield code="a">PR&#xC1;TICA CULTURAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">DEFESA VEGETAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CARACTER&#xCD;STICAS AGRON&#xD4;MICAS</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PRAGA DE PLANTA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">2408</subfield>
    <subfield code="9">346532</subfield>
    <subfield code="d">Santa Maria-RS Universidade Federal de Santa Maria - Centro de Ci&#xEA;ncias Rurais 1991</subfield>
    <subfield code="o">2024-7203</subfield>
    <subfield code="t">Ci&#xEA;ncia Rural (Brazil)</subfield>
    <subfield code="x">0103-8478   Vers&#xE3;o online ISSN 1678-4596</subfield>
    <subfield code="g">v. 47(6) p. 1-6; (2017)</subfield>
    <subfield code="w">BR2024004144</subfield>
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    <subfield code="u">https://www.scielo.br/j/cr/a/6nYVTXkYH8n5CVWTmdZcLTG/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">329582</subfield>
    <subfield code="d">329582</subfield>
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