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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251219191301.0</controlfield>
  <controlfield tag="008">251219b2021    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">Mayer, Newton Alex </subfield>
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    <subfield code="a">Ueno, Bernardo </subfield>
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    <subfield code="a">Antunes, Luis Eduardo Correa </subfield>
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    <subfield code="a">Nava, Gilberto </subfield>
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    <subfield code="a">Roth, Fernanda Maisa </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Agronomic performance of &#x2018;BRS Kampai&#x2019; peach on 15 clonal rootstocks and own-rooted trees in Pelotas-RS, Brazil</subfield>
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Publica&#xE7;&#xE3;o online; 8 tables; Summaries (En, Pt); Bibliography p. 11-14</subfield>
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Abstract -       The clonal rootstocks allows preservation of mother tree genetic characteristics, such as vigor and produce a fasciculated root system, with an abundant thin roots. The objective of this research was to determine the effect of fifteen clonal genotypes as rootstocks on the agronomic performance of &#x2018;BRS Kampai&#x2019; peach, as well as the technical feasibility of own-rooted trees (without rootstock) in a no-irrigated field condictions, in Pelotas-RS, Brazil. Bagged nursery trees were planted at the field in August, 2014, under a randomized block design with four replications of one tree per plot, and evaluations of trunk diameter, trunk cross-sectional area (TCSA), yield efficiency, annual and accumulated fruit yield per tree and per hectare were carried out until 2019. In the adopted experimental conditions, we conclude that &#x2018;Barrier&#x2019; (P. persica x P. davidiana), &#x2018;Cadaman&#x2019; (P. persica x P. davidiana), G x N.9 (P. persica x P. dulcis), &#x2018;Ishtara&#x2019; [(P. cerasifera x P. salicina) x (P. cerasifera x P. persica)] and &#x2018;Santa Rosa&#x2019; (P. salicina) do not have potential as a rootstock of &#x2018;BRS Kampai&#x2019; peach due irregular bud breaking of scion, small fruits and/or low fruit yield. Clone 15 (P. mume) stands out for increasing fruit weight and maintaining satisfactory fruit yield per tree. &#x2018;Flordaguard&#x2019; (P. persica) is the best rootstock tested, which is vigorous, do not present any undesirable agronomic characteristics and induce the highest yields per tree and per hectare, exceeding 50 t ha-1 in accumulated yield. Own-rooted trees of &#x2018;BRS-Kampai&#x2019; peach have technical feasibility, as long as pruning is properly carried out.



Index terms:       Prunus spp., vegetative propagation, softwood cutting, interspecific budding</subfield>
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Resumo &#x2013;      Os porta-enxertos clonais permitem a preserva&#xE7;&#xE3;o das caracter&#xED;sticas gen&#xE9;ticas da plantamatriz, tais como o vigor, e produzem um sistema radicular fasciculado, com abundante quantidade de radicelas. O objetivo do presente trabalho foi determinar o efeito de quinze porta-enxertos clonais na performance agron&#xF4;mica de pessegueiros &#x2018;BRS Kampai&#x2019;, bem como a viabilidade t&#xE9;cnica do uso de plantas autoenraizadas (sem porta-enxerto) em condi&#xE7;&#xE3;o de campo sem irriga&#xE7;&#xE3;o, em Pelotas-RS, Brasil. Mudas produzidas em sacos pl&#xE1;sticos foram plantadas no campo, em agosto de 2014, sob delineamento de blocos casualizados, com quatro repeti&#xE7;&#xF5;es, de uma planta por parcela, e avalia&#xE7;&#xF5;es de di&#xE2;metro do tronco, &#xE1;rea da sec&#xE7;&#xE3;o transversal do tronco, efici&#xEA;ncia produtiva, produ&#xE7;&#xE3;o de frutos por planta e por hectare anual e acumulada foram realizadas at&#xE9; 2019. Nas condi&#xE7;&#xF5;es experimentais adotadas, conclui-se que &#x2018;Barrier&#x2019; (P. persica x P. davidiana), &#x2018;Cadaman&#x2019; (P. persica x P. davidiana), G x N.9 (P. persica x P. dulcis), &#x2018;Ishtara&#x2019; [(P. cerasifera x P. salicina) x (P. cerasifera x P. persica)] e &#x2018;Santa Rosa&#x2019; (P. salicina) n&#xE3;o apresentam potencial como portaenxerto do pessegueiro &#x2018;BRS Kampai&#x2019; devido &#xE0; irregular quebra de dorm&#xEA;ncia das gemas da copa, frutos pequenos e/ou baixa produ&#xE7;&#xE3;o. O Clone 15 (P. mume) destaca-se por aumentar o peso do fruto, mantendo satisfat&#xF3;ria produ&#xE7;&#xE3;o por planta. O &#x2018;Flordaguard&#x2019; (P. persica) &#xE9; o melhor portaenxerto testado, que &#xE9; vigoroso, n&#xE3;o apresenta nenhuma caracter&#xED;stica agron&#xF4;mica indesej&#xE1;vel e induz as maiores produ&#xE7;&#xF5;es por planta e por hectare, superando 50 t ha-1 na produ&#xE7;&#xE3;o acumulada. Pessegueiros autoenraizados de &#x2018;BRS-Kampai&#x2019; apresentam viabilidade t&#xE9;cnica de cultivo, desde que as podas sejam adequadamente realizadas.



Termos para indexa&#xE7;&#xE3;o:      Prunus spp., propaga&#xE7;&#xE3;o vegetativa, estaquia herb&#xE1;cea, enxertia interespec&#xED;fica</subfield>
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    <subfield code="a">P&#xCA;SSEGO</subfield>
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    <subfield code="a">MUDA </subfield>
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    <subfield code="a">PORTA-ENXERTO</subfield>
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    <subfield code="a">PROPAGA&#xC7;&#xC3;O VEGETATIVA</subfield>
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    <subfield code="a">RIO GRANDE DO SUL</subfield>
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    <subfield code="0">805</subfield>
    <subfield code="9">317051</subfield>
    <subfield code="d">Jaboticabal-SP Sociedade Brasileira de Fruticultura 1978</subfield>
    <subfield code="o">2024-3613</subfield>
    <subfield code="t">Revista Brasileira de Fruticultura (Brazil)</subfield>
    <subfield code="x">0100-2945</subfield>
    <subfield code="g">v. 43(2) p. 1-14; (2021)</subfield>
    <subfield code="w">BR2025004781</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbf/a/dhtbT7SLzYGpc9HxnjmL4Yh/?format=pdf&amp;lang=en</subfield>
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