Produção De Sementes De Soja Sobre Solo De Várzea Alagada

Ludwig, Marcos Paulo; Oliveia, Sandro; Schuch, Luiz; Vernetti, F.J; Seus, Rogério; Corrêa, Marciabela Fernandes; Nunes, Thiago Lima

doi:10.37856/bja.v90i1.137

Cited by 3 publications

(3 citation statements)

References 2 publications

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“…As diferenças entre as diferentes peneiras das sementes de soja estão relacionadas com a redução do número de legumes por planta, o que reflete no maior distribuição e alocação de assimilados nas sementes em enchimento. Corroborando com Ludwig et al (2015), que plantas de soja sob estresse ocorre maior retenção em peneiras de maior diâmetro.…”

Section: Resultsunclassified

Qualidade E Tamanho De Sementes De Soja Em Função De Diferentes Épocas De Semeadura E Densidades De Cultivo / Quality and Size of Soybean Seeds According to Different Sowing Times and Crop Densities

Peter

Medeiros

Silva

et al. 2020

BJD

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Section: Resultsunclassified

Qualidade E Tamanho De Sementes De Soja Em Função De Diferentes Épocas De Semeadura E Densidades De Cultivo / Quality and Size of Soybean Seeds According to Different Sowing Times and Crop Densities

Peter

Medeiros

Silva

et al. 2020

BJD

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“…Waterlogging has a negative effect on seed physiological performance due to the formation of a wet microclimate close to the soil surface (Vernetti, 2009). Ludwig (2010) reported the negative effect of waterlogging on different developmental stages of soybean plants and showed the reduced physiological performance of seed derived from plants exposed to waterlogging. Therefore, the plant's ability to tolerate hypoxia is associated with its capacity for oxygen transport from shoots to roots (Bartlett and James, 1993).…”

Section: Resultsmentioning

confidence: 99%

Effect Of Soil Waterlogging Stress On The Physiological Performance Of Seeds And On The Productivity Of Rye Plants

Gehling¹,

Pedó

Martinazzo

et al. 2015

Agrociencia

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The objectives of this study were to evaluate the effect of waterlogging on seed physiological performance and plant productivity in rye. Our study consisted of three treatments: 1) no waterlogging, 2) a single waterlogging period, and 3) double waterlogging period. Plant productivity was evaluated from the number of spikes per plant, the number of seeds per plant, the number of seeds per spike, and seed yield. Seeds were exposed to a germination test and seed physiological quality was evaluated from the seed germination rate, initial germination rate, germination speed index, electric conductivity, shoot length, primary root length, shoot dry matter and primary root dry matter, and weight per 1000 seeds. The seeds derived from plants not exposed to waterlogging showed a higher germination rate in a shorter period of time and higher germination speed index than those derived from plants that were exposed to waterlogging; however, the weight per 1000 seeds was lower and seedlings had longer shoots and primary roots. The plants that were not exposed to waterlogging had a higher number of spikes per plant, higher number of seeds per plant, higher number of seeds per spike, and better seed yield per plant. Therefore, it was concluded that waterlogging has a negative effect on seed physiological performance in rye and that plant productivity is reduced under long-term waterlogging.

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“…No entanto, pouco se sabe sobre os efeitos dos biorreguladores em plantas cultivadas em solos de várzea, os quais frequentemente sofrem alagamento, como é o caso da Região Sul do Rio Grande do Sul, onde a agricultura está em plena extensão. Segundo Ludwig et al (2015) é crescente o uso para a agricultura, locais com possibilidade de alagamento do solo, sendo principalmente ocupada pela cultura da soja, já que esta é uma das alternativas importantes dentro do sistema de produção do arroz irrigado, permitindo assim, a realização de rotação de cultura.…”

Section: Introductionunclassified

Teor De Proteínas Em Sementes De Soja Produzidas Em Solos De Várzea Como Uso De Bioregulador

Oliveira¹,

Ferreira²,

Lemes³

et al. 2018

COLLOQ AGRARIAE

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This study aimed to evaluatethe protein content in soybean seeds produced in lowland soil from plant growth regulator applied via seed coating and leaf spraying. The study wasdivided into two experiments: Seeds coating (Experiment I) and leaf spraying (Experiment II) with different Stimulate® doses. Two soybean cultivars were used (BMX Potência RR and Fundacep 64 RR) and the experimental model used was a completely randomized design. For the seed coating, the doses used was0; 250; 500; 750 e 1000 mL 100 kg seeds-1, and for the leaf spraying was 0; 187.5; 375.0; 652.5 e 750.0 mL ha-1. The experiments were carried out during the 2013/2014 season at experimental field and pots. In the maturity period was performed the seed harvest, afterward determined the total and soluble protein content. The bioregulator doses appliedin seed treatment, up tothe highestdose,increase the crude protein content of seeds produced in pots of BMX Potência RRcv.When produced in the experimental field, doses of bioregulator in seed treatment and leaf spraying do not promote difference in the protein content of the seeds. Increases were observed in the total protein content in Fundacep 64 RR cultivar, and reduction in soluble protein content in BMX Potência RR with the use of bioregulator, regardless of the mode of application.

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Produção De Sementes De Soja Sobre Solo De Várzea Alagada

Cited by 3 publications

References 2 publications

Qualidade E Tamanho De Sementes De Soja Em Função De Diferentes Épocas De Semeadura E Densidades De Cultivo / Quality and Size of Soybean Seeds According to Different Sowing Times and Crop Densities

Qualidade E Tamanho De Sementes De Soja Em Função De Diferentes Épocas De Semeadura E Densidades De Cultivo / Quality and Size of Soybean Seeds According to Different Sowing Times and Crop Densities

Effect Of Soil Waterlogging Stress On The Physiological Performance Of Seeds And On The Productivity Of Rye Plants

Teor De Proteínas Em Sementes De Soja Produzidas Em Solos De Várzea Como Uso De Bioregulador

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