COMPOSIÇÃO MINERAL DO RIZOMA E RAIZ EM PLANTAS DE Strelitzia augusta SOB DEFICIÊNCIAS DE MACRONUTRIENTES

Coelho, Viviane Amaral Toledo; Souza, Carla Giselly de; Souza, Ednardo Nascimento de; Lacerda, Luiza Gobira; Cardoso, Patrícia Alves

doi:10.3738/1982.2278.3714

Cited by 2 publications

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“…Concerning other nutrients, an elevated content of Fe ocurred in leaves under Ca omission, probably due to the absence of an intervention in the Fe absorption caused by Ca (Dechen et al, 2018). The absence of Mg was also increase of Fe content in calla lily rhizomes, as it was also observed for Strelitzia augusta (Coelho et al, 2020b). An increase in Zn content on calla lily leaves and roots can be due to the competitive inhibition between Mg and Zn (Malavolta et al, 1997).…”

Section: Discussionsupporting

confidence: 73%

“…This explains the founded of highest Ca and Mg contents in calla lily's roots in absence of Mn, higher levels of Mg in leaves and inflorescences in the treatment with Ca omission, and higher levels of Ca in leaves, rhizomes and inflorescences in the treatment with Mg omission. In Strelitizia augusta the absence of competitive inhibition between Ca and Mg was also observed (Coelho et al, 2020b). Ca and Mg have similar chemical characteristic such as ionic radius, valence, hydration degree and close mobility, which justifies the proximity between these nutrients and causing competition for absorption sites.…”

Section: Discussionmentioning

confidence: 82%

“…In this study, there was no competitive inhibition, since in nutrient solution with Ca omission, an increase on K absorption occurred. In Strelitzia augusta, the omission of Ca also influenced the increase in K content (Coelho et al, 2020b).…”

Section: Discussionmentioning

confidence: 97%

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Development and nutritional status of calla lily submitted to nutrient deficiency

et al. 2022

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Knowledge about the nutritional aspects of calla lily, an important species for the floriculture industry, is essential for quality on cultivation. As there are variations in the symptoms of nutritional deficiencies among species, it is necessary to study the development of plants and their nutritional status when grown under nutrient omission. Thus, the aim was to evaluate the development of calla lily plants and identify the levels of nutrients and their interactions in cultivation conditions under nutritional deficiency. The treatments consisted in the use of the complete nutrition solution and the omission of N, P, K, Ca, Mg, S, Fe, B, and Mn, separately. The experimental design was in randomized block design with four replications. The omissions of P, S, Ca, K, N, and B have influenced the plant development providing lower production of leaves and in small size, reduction on shoots production and less leaves emitted by the shoots, besides a lower values of dry matter. Among these nutrients, the deficiencies that most affected the growth and quality of calla lily plants development were N, B and Ca. The B and N deficiency inhibited the flowering and the absence of S and K provided inflorescences production with lower quality, besides malformation. The main interactions that occurred were increasing in the content of K (leaves), Fe (leaves) and Mn (leaves and inflorescences) in the absence of Ca. In the absence of Mg there was an increase in Ca (leaves, rhizomes, and inflorescences), Zn (leaves and roots) and Fe (rhizomes). It can be concluded that the nutritional deficiencies that most affected the production of inflorescences in calla lily were those of B, N, P, K, Ca, and S and the main nutritional interactions occurred in the absence of Ca with an increase in K, Fe and Mn and an increase in Ca, Fe and Zn in the absence of Mg.

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Section: Discussionsupporting

confidence: 73%

Section: Discussionmentioning

confidence: 82%

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Development and nutritional status of calla lily submitted to nutrient deficiency

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“…Como esperado, o menor teor de Ca foi verificado nas plantas cultivadas em sua ausência, sendo 55,07% menor em relação ao tratamento completo. Coelho et al (2020) 1987).…”

Section: Resultsunclassified

“…De acordo com Coelho et al (2020), estudando plantas de Strelitzia augusta, os macronutrientes extraídos por essa cultura em maior quantidade pelo rizoma e pelas raízes são N>K>P>S>Mg>Ca, dados que não corroboram o presente estudo. Por isso, Coelho e colaboradores (2017) relatam que a adubação e nutrição de plantas ornamentais tropicais possuem muitas lacunas a serem esclarecidas, portanto trabalhos que tenham enfoque no equilíbrio nutricional dessas espécies são de suma importância para a floricultura.…”

Section: Resultsunclassified

Teores nutricionais de macronutrientes nas hastes, rizoma e raízes de gengibre ornamental sob deficiências de macronutrientes e boro

Souza

Coelho

Nascimento

et al. 2021

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O objetivo deste estudo foi avaliar os teores e acúmulos de macronutrientes em gengibre ornamental sob deficiências nutricionais de macronutrientes e boro. O experimento foi realizado na casa de vegetação do Departamento Ciência do Solo, na Universidade Federal de Lavras (MG). As plantas foram propagadas via sementes e germinadas em bandeja com 72 células individualizadas, usando vermiculita. Trinta dias após a germinação, as mudas foram transferidas para solução nutritiva completa. Após 60 dias de adaptação, foram transplantadas em vasos de 6 litros e aplicaram-se os tratamentos. O delineamento foi inteiramente casualizado (DIC) com quatro repetições e seis tratamentos: Solução de Bolle-Jones (controle), solução completa com exceção de N, solução completa com exceção de P, solução completa com exceção de K, solução completa com exceção de Ca, solução completa com exceção de Mg, solução completa com exceção de S e solução completa com exceção de B. As plantas foram monitoradas quanto ao aparecimento dos sintomas de deficiência nutricional, por 180 dias. A colheita foi realizada separando-as em folhas, hastes, rizoma e raízes. As deficiências nutricionais causam alterações nos teores e nos acúmulos das diferentes partes da planta. Os teores de P, K Ca, Mg e S encontrados nas hastes de gengibre ornamental no tratamento completo são (g kg-1): 8,11; 26,40; 5,51; 4,13 e 1,84. Os teores de P, K Ca, Mg e S encontrados no rizoma de gengibre ornamental no tratamento completo são (g kg-1): 6,30; 23,0; 5,63; 3,59 e 3,03. Os teores de P, K Ca, Mg e S encontrados nas raízes de gengibre ornamental no tratamento completo são (g kg-1) 15,86; 14,40; 394; 4,14 e 4,96.

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COMPOSIÇÃO MINERAL DO RIZOMA E RAIZ EM PLANTAS DE Strelitzia augusta SOB DEFICIÊNCIAS DE MACRONUTRIENTES

Cited by 2 publications

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Development and nutritional status of calla lily submitted to nutrient deficiency

Development and nutritional status of calla lily submitted to nutrient deficiency

Teores nutricionais de macronutrientes nas hastes, rizoma e raízes de gengibre ornamental sob deficiências de macronutrientes e boro

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