Nutrição mineral de plantas ornamentais: VII - absorção e deficiências de nutrientes pelo Chrysanthemum morifolium L., cv, 'Suzuki'

Fernandes, Pedro Dantas; Oliveira, G.D. de; Haag, H.P.

doi:10.1590/s0071-12761975000100040

Cited by 3 publications

(2 citation statements)

References 7 publications

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“…Ca and Mg, performed a greatest absorption in the first 2 weeks, while P was absorbed in more quantity from weeks 5 to 8, which stabilized among 0.50% and 0.75% per dry weight. In addition, Dantas, Diniz & Haag (1975), in Brazil, indicated that a cultivar of White chrysanthemum called "Suzuki", extracted 1600 mg of K, 269 mg of Ca, 231 mg P, 116mg of Fe, 113 mg of Mg, 91 S mg, 23 mg Mn, 14 mg Zn and 0.74 mg Cu in a plant growth period of 140 days.…”

Section: Discussionmentioning

confidence: 99%

Absorption curves - mineral-extraction under an aeroponic system for white chrysanthemum (Dendranthema grandiflorum (Ramat.) Kitam. cv. Atlantis White)

Chica-Toro¹,

Garzón-González²

2018

Acta Agron.

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Absorption curves -mineral-extraction under an aeroponic system for white chrysanthemum (Dendranthema grandiflorum (Ramat.) Kitam AbstractThe aim of this study focused on the construction of the absorption and extraction curves under an aeroponic system for White chrysanthemum cv. Atlantis White, and therefore, propose the periods of maximum and minimum nutrient accumulation from aboveground, root and total biomass. Vegetative cycle of the plant, measured from the day after transplantation (dat) to aeroponic system, and the first day of court lasted 49 days. Evaluations were carried out each week on plants, in absolute competition. For the average aboveground biomass, three replicates were recorded. To obtain total root biomass only one sample, was measured. Therefore, total biomass in average, had achieved 130.9313 g.plant -1 , where 72.26% (94.163 g) corresponded to the aboveground biomass and 27.74% (36.3183 g) to root biomass. From nutrient contents reported in tissue analysis and biomass, nutrients absorbed-extracted were calculated. Overall, two plant stages development in nutrient absorption were observed as follows: the first, at day 21 dat; and second, from day 22 to day 49 dat. In this study, the reported elements (N, P, K, Ca, Mg and S), its accumulation during the first stage did not exceeded 29%, except for S, which reached 30.19%. Consequently, the mostly close to 70% nutrients were absorbed in the second stage of development, which coincided with the plant reproductive stage.Key words: macronutrients, nutrient balance (plants), nutritional status, ornamental species, plant development stage, plant nutrition, plant soil relations. ResumenEl objetivo de este estudio se centró en la construcción de las curvas de absorción-extracción bajo un sistema aeropónico para crisantemo blanco cv. Atlantis White y así plantear los periodos de máxima y mínima acumulación de nutrientes de las biomasas aérea, radical y total. El ciclo vegetativo de la planta, medido desde el día de trasplante (ddt) al sistema aeropónico y el día de inicio de corte, duró 49 días. Las evaluaciones se realizaron cada semana sobre plantas en competencia absoluta. Para el promedio de la biomasa aérea se tomaron tres repeticiones, para la biomasa radical se tomó una sola muestra. La biomasa total promedio alcanzada fue de 130.9313 g planta -1 , de la cual el 72.26% (94.163 g) correspondió a la parte aérea y el 27.74% (36.3183 g) a la radical. A partir de contenidos de nutrientes reportados en los análisis de tejidos y las biomasas se calculan los nutrientes absorbidos-extraídos. En términos generales, se observan dos etapas en la absorción de nutrientes, una primera hasta el día 21 ddt y la segunda desde el día 22 hasta el día 49 ddt. Para los elementos reportados en este estudio (N, P, K, Ca, Mg y S); su acumulación durante la primera etapa no supero el 29%, excepto el S que llegó hasta el 30.19 %. En consecuencia, la mayor cantidad de nutrientes, cerca al 70%, fueron absorbidas en la segunda etapa de desarrollo, coincidente con la fas...

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Section: Discussionmentioning

confidence: 99%

Absorption curves - mineral-extraction under an aeroponic system for white chrysanthemum (Dendranthema grandiflorum (Ramat.) Kitam. cv. Atlantis White)

Chica-Toro¹,

Garzón-González²

2018

Acta Agron.

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“…Such knowledge avoids nutrient losses due to volatilization and leaching, and the possibility of contamination of water blade and watercourses. Such studies would allow understanding the moment when each element is more intensely absorbed, indicating the appropriate time for its supply (Fernandes et al, 1975). Absorption and nutrient requirements vary according to the plant's development stage.…”

Section: Introductionmentioning

confidence: 99%

Vegetative Development and Nutrient Absorption March of Sorrel (Rumex acetosa L.)

Lima¹,

Fontanétti²,

Soares³

et al. 2019

JAS

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Sorrel (Rumex acetosa L.) is an unconventional food plant. It is a perennial herbaceous plant that forms thickets. There are studies related to the accumulation of nutrients in sorrel, but there is no information on its absorption march and vegetative development. The objective of this study is to determine macronutrient absorption and biometric parameters of sorrel during 60 days after seedling transplantation (DAT) of seedlings. The experiment was completely randomized with eight treatments and four replications. It was conducted in a greenhouse. The treatments consisted of plant collection times, performed at 15, 20, 25, 30, 35, 40, 50 and 60 DAT. Plants’ biometric parameters (leaf blade length, relative leaf area, and shoot fresh and dry matter) and macronutrient absorption march were evaluated. Biomass, leaf blade length and relative leaf area of sorrel plants increased over time and, more markedly, after 35 DAT. The maximum levels of macronutrients accumulated in sorrel shoots, in descending order, were K > N > Ca > Mg > P > S. There was no significant difference in Ca and S contents among collection times, that is, the absorption and accumulation of these nutrients by sorrel did not vary throughout the evaluation time.

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Nutrição mineral de plantas ornamentais XIII: absorção de macronutrientes pelo crisântemo, cultivar Golden Polaris

Lima

Haag²

1987

An. Esc. Super. Agric. Luiz de Queiroz

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Com o objetivo de determinar: As concentrações dos macronutrientes, nos órgãos da planta, em função de idade; A acumulação de nutrientes pela planta. Foi instalada um ensaio, no município de Campinas, SP, em solo tradicionalmente adubado. O delineamento estatístico foi inteiramente casualizado com quatro repetições e amostragens das plantas realizada aos 6, 27, 55, 69, 83, 97, 111 e 125 dias após o plantão, divididos em hastes e folhas que foram secas em estufa a 85°C e analisadas para N, P, K, Ca, Mg e S. Os autores concluiram que: Nas hastes e folhas, as concentrações de nutrientes são instáveis e variam em função da idade da planta. As concentrações de N, K, Mg, S diminuem nas hastes e nas folhas com a idade da planta, enquanto o teor de P apresenta pouca variação nas folhas, aumenta nas hastes. O Ca diminue nas hastes aumentando nas folhas. Decorridos 125 dias do plantio, o acúmulo de nutrientes pelas hastes de uma planta é: K - 689 mg; N - 458 mg; Ca -130 mg; Mg - 52 mg; P - 46 mg e S - 35 mg.

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Nutrição mineral de plantas ornamentais: VII - absorção e deficiências de nutrientes pelo Chrysanthemum morifolium L., cv, 'Suzuki'

Abstract: RESUMOO presente trabalho teve como objetivo estudar aspectos da nutrição mineral de Crisântemo, cultivar Suzuki, no que concerne: -ao efeito da omissão e presença de Ρ, K, Ca, Mg e S, no crescimento das plantas;

Cited by 3 publications

References 7 publications

Absorption curves - mineral-extraction under an aeroponic system for white chrysanthemum (Dendranthema grandiflorum (Ramat.) Kitam. cv. Atlantis White)

Absorption curves - mineral-extraction under an aeroponic system for white chrysanthemum (Dendranthema grandiflorum (Ramat.) Kitam. cv. Atlantis White)

Vegetative Development and Nutrient Absorption March of Sorrel (Rumex acetosa L.)

Nutrição mineral de plantas ornamentais XIII: absorção de macronutrientes pelo crisântemo, cultivar Golden Polaris

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