Desempenho da alface e da rúcula em diferentes concentrações de ferro na solução nutritiva

Laurett, Luciene; Fernandes, Adriano A.; Schmildt, Edílson Romais; Almeida, Camila Pinto de; Pinto, Maria Luiza Pereira Barbosa

doi:10.4322/rca.2466

Cited by 7 publications

(5 citation statements)

References 12 publications

(17 reference statements)

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“…Despite being a key micronutrient for the development of plant species, in some situations, Fe is able of being absorbed and accumulated in toxic concentrations (Sahrawat, 2005). Laurett et al (2017) observed that Fe concentrations in nutrient solution over 45 µmol.L -1 reduced the development of lettuce Vitoria de Santo Antão and Rococó rucola. Thus, its greater concentration in the 150% NR in AAOR group may have limited the development in height ( Figure 1B) and diameter ( Figure 1D) when compared to the 50% and 100% NR in AAOR groups.…”

Section: Resultsmentioning

confidence: 99%

Growth, relative chlorophyll content and concentration of inorganic solutes in sunflowers plants supplemented with marine macroalgae organic residue

et al. 2018

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One effect of the tidal dynamics is the accumulation during the low tide of large volumes of macroalgae, named “arribadas algae”. The objective of this work was to analyze the effects of using arribada alga e organic residues (AAOR) on the initial growth of sunflower plants, where the following were evaluated: plant growth, relative chlorophyll content and inorganic solids content (Na, K, Cl and NO3). The algae were collected on Praia do Pacheco in Caucaia, state of Ceará, Brazil, washed in running water and placed to dry in the sun for seven days, then dried in a forced circulation oven at 80 ºC and crushed. The sunflower seeds were sown in 5L plastic buckets, containing: 1) 100% (in volume) of sand; 2) sand + 100% of nitrogen recommendation - NR in commercial fertilizer (80kg of N.ha-1); 3) sand + 50% of the NR in macroalgae; 4) sand + 100% of NR in macroalgae; and 5) sand + 150% of the NR in macroalgae. The use of AAORimproved the growth of the analyzed variables in relation to the plants grown in substrate with sand or sand + fertilizer. The best results were observed at 50% of the NR in AAOR. The addition of increasing concentrations of AAOR allowed a greater accumulation of beneficial ions such as K and NO3 while no significant differences were observed for toxic ions such as Na and Cl in relation to plants supplemented with fertilizer or sand. The use of AAOR in substrates can be an alternative to fertilizers in plant cultivation since it reduces production costs besides being a sustainable destination.

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Section: Resultsmentioning

confidence: 99%

Growth, relative chlorophyll content and concentration of inorganic solutes in sunflowers plants supplemented with marine macroalgae organic residue

et al. 2018

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“…Rios 2017, unpublished data). This crop, as well as other cultivated species, have a long history of harm when looking at contact with toxic amounts of Fe, as examined in plants of Lettuce, Soy, Coffee and Rice (Bataglia & Mascarenhas 1981, Krohling et al 2016, Laurett et al 2017, Rodrigues Filho et al 2020a.…”

Section: Introductionmentioning

confidence: 99%

Effects of Iron on oxidative stress of Cecropia hololeuca and Carica papaya plants

Filho

Corte

Perin

et al. 2022

An. Acad. Bras. Ciênc.

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Iron is essential to plant development. However, its excess can provoke an increase in reactive oxygen species and oxidative stress in plants. The objective of this work was to verify the effects of high concentrations of iron on the oxidative stress of seeds and young plants of Cecropia hololeuca and Carica papaya. The species were submitted to concentrations of 0.045, 4 and 8mM of iron in the form of ferrous sulfate and FeEDTA.The experiments of germination and initial growth took place in a growth chamber, with temperature of 25ºC and 12h photoperiod. We performed the lipid peroxidation test by extraction and quantification of malonaldehyde and hydrogen peroxide. The application of iron did not cause a significant elevation in the contents of malonaldehyde and hydrogen peroxide in the germination of C. hololeuca and C. papaya. In the young plants, the hydrogen peroxide did not change in any of the treatments. However, it was possible to observe an expressive increase in malonaldehyde concentration in both species when exposed to FeEDTA 4 to 8mM. The results indicate a sensibility of C. hololeuca and C. papaya to high iron levels, amplifying the oxidative stress process that can harm their growth and initial development.

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“…A produção de hortaliças de boa qualidade, adjacente aos grandes centros urbanos, tem sido realizada em boa parcela pelo cultivo hidropônico, sendo a alface a hortaliça mais produzida nesse sistema (LAURETT et al, 2017). Esta atividade é um incentivo econômico para a manutenção das famílias no campo por meio da formação ininterrupta de renda que associado com a valorização cultural e social, agricultores estarão menos propícios a saírem do campo .…”

Section: Introductionunclassified

Diagnose De Doenças Na Palma Forrageira

Santana¹,

Santos²,

Santos³

et al. 2021

Desafios E Impactos Das Ciências Agrárias No Brasil E No Mundo 2

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Direitos para esta edição cedidos à Atena Editora pelos autores. Todo o conteúdo deste livro está licenciado sob uma Licença de Atribuição Creative Commons. Atribuição-Não-Comercial-NãoDerivativos 4.0 Internacional (CC BY-NC-ND 4.0).O conteúdo dos artigos e seus dados em sua forma, correção e confiabilidade são de responsabilidade exclusiva dos autores, inclusive não representam necessariamente a posição oficial da Atena Editora. Permitido o download da obra e o compartilhamento desde que sejam atribuídos créditos aos autores, mas sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais. Todos os manuscritos foram previamente submetidos à avaliação cega pelos pares, membros do Conselho Editorial desta Editora, tendo sido aprovados para a publicação com base em critérios de neutralidade e imparcialidade acadêmica.A Atena Editora é comprometida em garantir a integridade editorial em todas as etapas do processo de publicação, evitando plágio, dados ou resultados fraudulentos e impedindo que interesses financeiros comprometam os padrões éticos da publicação. Situações suspeitas de má conduta científica serão investigadas sob o mais alto padrão de rigor acadêmico e ético.

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Desempenho da alface e da rúcula em diferentes concentrações de ferro na solução nutritiva

Cited by 7 publications

References 12 publications

Growth, relative chlorophyll content and concentration of inorganic solutes in sunflowers plants supplemented with marine macroalgae organic residue

Growth, relative chlorophyll content and concentration of inorganic solutes in sunflowers plants supplemented with marine macroalgae organic residue

Effects of Iron on oxidative stress of Cecropia hololeuca and Carica papaya plants

Diagnose De Doenças Na Palma Forrageira

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