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  <controlfield tag="003">BR-BrBNA</controlfield>
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  <controlfield tag="008">260331b2019    bl.qr|pooa||| 00|   por |</controlfield>
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    <subfield code="a">Dias, Let&#xED;cia Bet&#xE2;nia Xavier </subfield>
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    <subfield code="a">Queiroz, Pedro Afonso de Melo </subfield>
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    <subfield code="a">Ferreira, Lara Bernardes da Silva </subfield>
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    <subfield code="a">Santos, Wilhan Valasco dos </subfield>
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    <subfield code="a">Freitas, Marco Antonio Moreira de </subfield>
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    <subfield code="a">Silva, Patr&#xED;cia Pereira da </subfield>
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    <subfield code="a">Nascimento, Warley Marcos </subfield>
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    <subfield code="a">Le&#xE3;o-Ara&#xFA;jo, &#xC9;rica Fernandes </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Teste de condutividade el&#xE9;trica e embebi&#xE7;&#xE3;o de sementes de gr&#xE3;o-de-bico</subfield>
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Publica&#xE7;&#xE3;o online; 29 ref.; 6 tables; Summaries (En, Pt)</subfield>
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RESUMO:      O processo de germina&#xE7;&#xE3;o tem in&#xED;cio com a embebi&#xE7;&#xE3;o, por ocasi&#xE3;o da &#xE1;gua dispon&#xED;vel, a qual desencadeia uma sequ&#xEA;ncia de mudan&#xE7;as metab&#xF3;licas que culminam com a protrus&#xE3;o da raiz prim&#xE1;ria, em sementes vi&#xE1;veis. Pela organiza&#xE7;&#xE3;o do sistema de membranas celulares, um m&#xE9;todo que pode indicar o n&#xED;vel de vigor das sementes &#xE9; a condutividade. Objetivou-se avaliar e modelar o processo de embebi&#xE7;&#xE3;o de sementes de gr&#xE3;o-de-bico, al&#xE9;m de estabelecer metodologia eficiente para volume de &#xE1;gua, tempo de embebi&#xE7;&#xE3;o e n&#xFA;mero de sementes no teste de condutividade el&#xE9;trica. Foram utilizados oito lotes, sendo quatro da cultivar BRS Aleppo e quatro da cultivar C&#xED;cero que foram submetidos ao teste de germina&#xE7;&#xE3;o e vigor para caracteriza&#xE7;&#xE3;o inicial. A condutividade el&#xE9;trica foi conduzida com subamostras de 50 e 75 sementes utilizando 75 e 100 mL de &#xE1;gua deionizada, e avaliou-se os per&#xED;odos 2, 4, 8, 12, 18, 24 e 30 h, mantidas &#xE0; temperatura de 25 &#xB0;C. O experimento de condutividade el&#xE9;trica foi em delineamento inteiramente casualizado com quatro repeti&#xE7;&#xF5;es. Para cin&#xE9;tica de embebi&#xE7;&#xE3;o foi ajustado o modelo de Peleg. A metodologia mais adequada foi a utiliza&#xE7;&#xE3;o de 75 sementes, volume de 100 mL de &#xE1;gua durante 30 h. O modelo de Peleg foi eficiente na descri&#xE7;&#xE3;o do processo de absor&#xE7;&#xE3;o de &#xE1;gua, ainda que haja diferen&#xE7;as no potencial fisiol&#xF3;gico dos lotes. 



Palavras-chave:      Cicer arietinum L.; lixiviados; metabolismo; modelo de Peleg; vigor</subfield>
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ABSTRACT:   The  germination  process  begins  with  the  imbibition,  during  the  available  water,  which  triggers  a  sequence  of metabolic changes that culminate in the protrusion of the primary root into viable seeds. By the organization of the cell membrane system, a method that can indicate the level of seed vigor is the conductivity. The objective of this study was to evaluate and model the process of imbibition of chickpea seeds, in addition to establishing an efficient methodology for water volume, imbibition time and number of seeds in the electric conductivity test. Eight lots were used, four of the BRS Aleppo cultivar and four of the C&#xED;cero cultivar, which were submitted to the germination and vigor test for initial characterization. The electrical conductivity was conducted with 50 and 75 seed subsamples using 75 and 100 mL of deionized water, and the periods 2, 4, 8, 12, 18, 24 and 30 h were maintained at 25 &#xB0;C. The experiment of electrical conductivity was in a completely randomized design with four replicates. The Peleg model was adjusted for imbibition kinetics. The most appropriate methodology was the use of 75 seeds, volume of 100 mL of water for 30 h. The Peleg model was efficient in describing the process of water absorption, although there were differences in the physiological potential of the lots. 



Key words:      Cicer arietinum L.; leachate; metabolism; Peleg model; vigor</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">GR&#xC3;O-DE-BICO</subfield>
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    <subfield code="a">TESTE DE SEMENTES</subfield>
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    <subfield code="a">CONDUTIVIDADE EL&#xC9;TRICA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">EMBEBI&#xC7;&#xC3;O</subfield>
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    <subfield code="0">4656</subfield>
    <subfield code="9">361383</subfield>
    <subfield code="d">Recife-PE Universidade Federal Rural de Pernambuco 2006</subfield>
    <subfield code="o">2026-1392</subfield>
    <subfield code="t">Revista Brasileira de Ci&#xEA;ncias Agr&#xE1;rias (Brazil)</subfield>
    <subfield code="x">1981-1160</subfield>
    <subfield code="g">v. 14(2) p. 1-8; (2019)</subfield>
    <subfield code="w">BR2026000061</subfield>
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    <subfield code="u">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v14i2a5641/216</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">341173</subfield>
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