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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251201155733.0</controlfield>
  <controlfield tag="008">251201b2019    bl.|r|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="b">0716</subfield>
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    <subfield code="a">Barreto, Caroline Farias </subfield>
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    <subfield code="a">Antunes, Luis Eduardo Correa </subfield>
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    <subfield code="a">Ferreira, Let&#xED;cia Vanni </subfield>
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    <subfield code="a">Navroski, Renan </subfield>
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    <subfield code="a">Benati, Jorge At&#xED;lio </subfield>
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    <subfield code="a">Pereira, Jos&#xE9; Francisco Martins </subfield>
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    <subfield code="a">Mechanical flower thinning in peach trees</subfield>
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Publica&#xE7;&#xE3;o online; 17 ref.; 3 illus.; 3 tables; Summaries (En, Pt)</subfield>
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Abstract -      In cultivation of peaches, thinning is conventionally performed on fruits by hand, and needs to be done in a short time and with specialized labor, which increases the operational costs of this practice. Mechanical thinning can be an alternative to manual fruit thinning. Thus, the objective of this study was to evaluate the effect of mechanical flower thinning with different equipment in advanced peach orchard. The experiment was conducted in 2016 and 2017, combining advanced selections of peach trees and thinning methods. The evaluated variables were percentage of flowers thinning, thinning time, fruit number per plant, plant production, estimated yield, average fruit mass and fruit diameter class. Flower mechanic thinning alters the yield index of peach trees. Mechanical thinning on peach trees was efficient in flower thinning and reduced the practice execution time. Therefore, mechanical thinning is an alternative to the manual fruit thinning of peach trees.



Index terms:     Prunus persica, flower removal, effective fruiting, thinning cost</subfield>
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Resumo -      Na produ&#xE7;&#xE3;o de p&#xEA;ssegos, o raleio &#xE9; realizado convencionalmente nos frutos, de forma manual, necessitando ser realizada num curto per&#xED;odo de tempo e com m&#xE3;o de obra especializada, o que eleva os custos operacionais desta pr&#xE1;tica. O raleio mec&#xE2;nico pode ser uma alternativa ao raleio manual de frutos. Deste modo, o objetivo deste trabalho foi avaliar o efeito do raleio mec&#xE2;nico em flores, com distintos equipamentos, em sele&#xE7;&#xF5;es avan&#xE7;adas de pessegueiros. O experimento foi conduzido nos anos de 2016 e 2017, combinando-se sele&#xE7;&#xF5;es avan&#xE7;adas de pessegueiros e m&#xE9;todos de raleio. As vari&#xE1;veis avaliadas foram: percentagem de raleio de flores, tempo de raleio, n&#xFA;mero de frutos por planta, produ&#xE7;&#xE3;o por planta, produ&#xE7;&#xE3;o estimada, massa m&#xE9;dia dos frutos e classe de di&#xE2;metro dos frutos. O raleio mec&#xE2;nico de flores altera os &#xED;ndices produtivos dos pessegueiros. O raleio mec&#xE2;nico em pessegueiros foi eficiente no raleio de flores e reduziu o tempo de execu&#xE7;&#xE3;o da pr&#xE1;tica. Portanto, o raleio mec&#xE2;nico de flores &#xE9; uma alternativa ao raleio manual de frutos de pessegueiros.



Termos para Indexa&#xE7;&#xE3;o:      Prunus persica, remo&#xE7;&#xE3;o de flores, frutifica&#xE7;&#xE3;o efetiva, custo de raleio.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">P&#xCA;SSEGO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PR&#xC1;TICA CULTURAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">RALEIO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">EQUIPAMENTO AGR&#xCD;COLA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">805</subfield>
    <subfield code="9">317043</subfield>
    <subfield code="d">Jaboticabal-SP Sociedade Brasileira de Fruticultura 1978</subfield>
    <subfield code="o">2024-3605</subfield>
    <subfield code="t">Revista Brasileira de Fruticultura (Brazil)</subfield>
    <subfield code="x">0100-2945</subfield>
    <subfield code="g">v. 41(6) p. 1-8; (2019)</subfield>
    <subfield code="w">BR2025005152</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbf/a/TGrV7HvwNwfdfnGhSYRMrRw/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">339308</subfield>
    <subfield code="d">339308</subfield>
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