2000
DOI: 10.1590/s0103-90162000000400012
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Osmar Paulo Beckert,
Marcelo Hissnauer Miguel,
Júlio Marcos Filho

Abstract: RESUMO: A absorção de água por sementes de soja, em função do tamanho, ocorre em diferentes intensidades podendo ter relação com seu potencial fisiológico. A marcha de absorção de água em sementes de soja e sua relação com o potencial fisiológico foram avaliados no presente trabalho. Sementes do cultivar BRS-155 foram classificadas, com base na espessura, em peneiras de crivos oblongos (6,75; 6,35; 5,95; 5,55; 5,15; 4,75 e 4,35 x 19 mm). As retidas nas peneiras 6,35; 5,55 e 4,75 x 19 mm foram submetidas à hidr… Show more

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Cited by 29 publications
(31 citation statements)
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“…Marcos Filho et al (2001) could differentiate between lots of soybean cultivars with high, intermediate and low vigor from this test. Beckert et al (2000) observed that the speed of water absorption is inversely proportional to the size of soybean seeds. The smaller seeds showed more intense water absorption.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Marcos Filho et al (2001) could differentiate between lots of soybean cultivars with high, intermediate and low vigor from this test. Beckert et al (2000) observed that the speed of water absorption is inversely proportional to the size of soybean seeds. The smaller seeds showed more intense water absorption.…”
Section: Resultsmentioning
confidence: 99%
“…For those involved in the production of crops, stand establishment is the first real opportunity for a practical evaluation of the quality of the seeds produced and the effect of the procedures used at the time of sowing (MARCOS FILHO, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…Portanto, a redução da quantidade de proteína na semente pode ocasionar O resultado não significativo da concentração de potássio sugere que a lixiviação de potássio não esteve relacionada com a quantidade de potássio presente nas sementes. Por outro lado, esperava-se que, com a redução da MMS (tamanho) e MH (densidade), a entrada de água nas sementes fosse facilitada pelo menor tamanho da semente, acarretando maior lixiviação como sugere Becker et al (2000) e, no entanto, ocorreu o contrário, a lixiviação de potássio (Figura 2e) diminuiu, acompanhando a queda da MMS e da MH. …”
Section: A R T I G O R E T R a T A D Ounclassified
“…Lipids and carbohydrates are used as source of energy during germination and post-germination events, with the latter also contributing to water distribution into the seed (CARVALHO et al, 2001). Large amounts of storage proteins are accumulated for use as an initial source of reduced nitrogen by the germinating seedling (BECKERT et al, 2000). Mobilization of seed food reserves may be related with the changes in seed vigor (CRANE et al, 2006).…”
Section: Introductionmentioning
confidence: 99%