EFICIÊNCIA NUTRICIONAL DE MUDAS DE&lt;i&gt; Stryphnodendron polyphyllum&lt;/i&gt; EM FUNÇÃO DE NITROGÊNIO E FÓSFORO

Carnevali, Natália Hilgert de Souza; Marchetti, Marlene Estevão; Vieira, Maria do Carmo; Carnevali, Thiago de Oliveira; Ramos, Diovany Doffinger

doi:10.5902/1980509822746

Cited by 17 publications

(15 citation statements)

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“…Nitrogen fertilization had significant effect on the growth and quality of A. crassiflora seedlings. The results obtained in this study are similar to those found by Carnevali et al (2016) in Stryphnodendron polyphyllum seedlings and by other authors in pitaia (Hylocereus undatus) (Almeida et al, 2014), canafistula (Peltophorum dubium) (Souza et al, 2013), gonçalo-alves (Astronium fraxinifolium) (Feitosa et al, 2011), açaí (Euterpe oleracea) (Oliveira et al, 2011) and angico-vermelho (Anadenanthera macrocarpa) (Gonçalves et al, 2012). Plants submitted to nitrogen doses generally present higher photosynthetic activity during the process of CO 2 assimilation in the catalytic sites of the RuBP carboxylase enzyme in detriment of absorption, translocation and use of assimilates from senescent leaves to storage organs or growing tissues (Lötter et al, 2014).…”

Section: Discussionsupporting

confidence: 92%

Nitrogen and Potassium Fertilization in the Initial Growth of Annona crassiflora Mart.

et al. 2019

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Annona crassiflora Mart. presents medicinal and food potential, and is also used in the recovery of degraded areas, however, little is known about its nutritional requirements. The aim of this work was to analyze the initial growth of A. crassiflora submitted to nitrogen and potassium fertilization. The experiment was conducted with a complete randomized block design with four replicates, each consisting of five nitrogen and potassium doses (0, 50, 100, 150 and 200 mg dm-3). Results were submitted to regression analysis. The species showed significant response for nitrogen fertilization regarding biometric variables, biomass, DQI and nutritional contents at doses of 100 to 200 mg dm-3. On the other hand, potassium only influenced DQI, nutritional content and accumulation of A. crassiflora seedlings.

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Section: Discussionsupporting

confidence: 92%

Nitrogen and Potassium Fertilization in the Initial Growth of Annona crassiflora Mart.

et al. 2019

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“…O nitrogênio faz parte de vários compostos nas plantas, como aminoácidos, ácidos nucléicos e clorofila (Cantarella 2007), o que justifica sua absorção em maiores concentrações pelas plantas. Carnevali et al (2016) avaliaram a eficiência nutricional de mudas de Stryphnodendron polyphyllum e observaram que o N e o Ca foram os nutrientes mais acumulados nos tecidos da planta.…”

Section: Discussionunclassified

Crescimento e qualidade de mudas de Citharexylum myrianthum em resposta à fertilização nitrogenada

Fernandes¹,

Freitas²,

Paiva³

et al. 2019

ADV. FOR. SCI.

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Citharexylum myrianthum, espécie nativa da Mata Atlântica, tem sido muito utilizada em programas de recuperação de matas ciliares. Entretanto, não existem trabalhos sobre a resposta dessa espécie à fertilização com nitrogênio, nutriente absorvido em maior quantidade pelas plantas. Nesse sentido, o objetivo desse trabalho foi avaliar o crescimento inicial e a qualidade de mudas de Citharexylum myrianthum em resposta à adubação nitrogenada. Foram testadas seis doses de N (0, 80, 160, 240, 320 e 400 mg dm-³), utilizando como fonte o sulfato de amônio. Aos 145 dias após a semeadura, foi realizada a medição da altura da parte aérea (H) e do diâmetro do coleto (DC), e obtidos o peso de matéria seca da parte aérea (MSPA), das raízes (MSR) e total (MST). Também foram calculadas as relações: H/DC, H/MSPA, MSPA/MSR e o Índice de Qualidade de Dickson (IQD). A fertilização nitrogenada possibilitou ganhos significativos (p< 0,01) no crescimento e na qualidade de mudas de Citharexylum myrianthum. Não foi possível estimar a dose ótima de nitrogênio para a produção de mudas dessa espécie, pois essa irá ocorrer em doses maiores que as estudadas. Palavras-chave: Nutrição mineral de plantas; Pau-viola; Produção de mudas.

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“…Nitrogen (N) induces an increase in the nutrient content in native species. In the absence of nitrogen fertilization, there is a superior demand of N and Ca from the aerial part in relation to the root (Carnevali et al, 2016). According to these same authors, research about mineral nutrition in native arboreal species states that fertilization has a positive effect, mainly in relation to N and phosphorus.…”

Section: Resultsmentioning

confidence: 99%

Initial Growth of Amburana cearensis in Decomposed Buriti Stem Substrate and Nitrogen Doses

Oliveira¹,

Fonseca²,

Sousa³

et al. 2018

JAS

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One of the difficulties of producing native species seedlings is slow growth. The objective of this study was to evaluate the initial development of Amburana cearensis (Allem.) A. C. Smith in relation to the concentration decomposed buriti stem substratum and nitrogen doses. A completely randomized design was used in a factorial arrangement of 3 × 5 (proportions of decomposed buriti stem × nitrogen doses), with six replicates. The treatments were formulated substrates comprised of decomposed buriti stem manually mixed with soil (Dystrophic Yellow Latosol) in three proportions (0, 25 and 50%) and five nitrogen doses (0, 100, 200, 300 and 400 mg dm -3 ) applied in treatments. There was no significant interaction between the DRM and ND factors. However, there was an isolated effect for the following variables: Plant height (PH), stem diameter (SD), leaf number (LN), leaf area (LA), dry mass of the aerial part (DMA) and root length (RL). The best concentrations of the substrate for the variables PH, LA and DMA were 25% and 50%, whereas for SD, LN and RL, the best result was 50%. ND and other variables had good responses under recommended doses ranging from a minimum of 264.82 mg dm -3 , observed in DMA, and a maximum of 400 mg dm -3, observed in RL. Both factors positively the quality of umburana seedlings.

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EFICIÊNCIA NUTRICIONAL DE MUDAS DE<i> Stryphnodendron polyphyllum</i> EM FUNÇÃO DE NITROGÊNIO E FÓSFORO

Cited by 17 publications

References 1 publication

Nitrogen and Potassium Fertilization in the Initial Growth of Annona crassiflora Mart.

Nitrogen and Potassium Fertilization in the Initial Growth of Annona crassiflora Mart.

Crescimento e qualidade de mudas de Citharexylum myrianthum em resposta à fertilização nitrogenada

Initial Growth of Amburana cearensis in Decomposed Buriti Stem Substrate and Nitrogen Doses

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