2012
DOI: 10.1590/s0100-29452012000200037
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Brassinosteroide e adubação nitrogenada no crescimento e estado nutricional de mudas de abacaxizeiro provenientes do seccionamento de caule

Abstract: O objetivo deste trabalho foi verificar o efeito da adubação nitrogenada e de um análogo de brassinosteroide no crescimento e na nutrição de mudas provenientes do seccionamento do caule do abacaxizeiro 'Smooth Cayenne'. O experimento foi conduzido no delineamento em blocos casualizados, em esquema fatorial 3x4, sendo foram avaliados três doses de N (5; 10 e 15 g L-1), utilizando ureia como fonte, e quatro doses de um análogo de brassinosteroide (0; 0,5; 0,75 e 1,0 mg L-1), com quatro repetições. Cada parcela e… Show more

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Cited by 10 publications
(9 citation statements)
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“…The rosette diameter and leaf width also increased at 0.1 and 0.3 mg L -1 , respectively, in seedlings cultivated in commercial substrate (Catunda et al 2008). Freitas et al (2012) reported that 0.79 mg L -1 of BB-16 improved the seedling growth and 0.64 mg L -1 increased the number of leaves, while a dose of 0.75 mg L -1 increased the leaf area and sprout diameter, in seedlings removed from the stem of 'Smooth Cayenne' pineapple plants.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The rosette diameter and leaf width also increased at 0.1 and 0.3 mg L -1 , respectively, in seedlings cultivated in commercial substrate (Catunda et al 2008). Freitas et al (2012) reported that 0.79 mg L -1 of BB-16 improved the seedling growth and 0.64 mg L -1 increased the number of leaves, while a dose of 0.75 mg L -1 increased the leaf area and sprout diameter, in seedlings removed from the stem of 'Smooth Cayenne' pineapple plants.…”
Section: Resultsmentioning
confidence: 99%
“…Certain plant growth regulators favor acclimatization, and brassinosteroids have shown to be efficient for this purpose in several fruit trees (Catunda et al 2008, Freitas et al 2012, Zheng et al 2017, Gomes et al 2018. Brassinosteroids are a class of plant steroid hormones that act in cell elongation, allowing plant growth (Baghel et al 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Nitrogen (N) fertilization is one of the most important factors for pineapple development and results in increased seedling growth (FREITAS et al, 2012). However, N can also be supplied to plants via inoculation with diazotrophic bacteria.…”
Section: Soil Sciencementioning
confidence: 99%
“…Therefore, several alternative methods, such as removal of apical meristems (SANTOS et al, 2011), propagation from stem cuttings (FREITAS et al, 2012), and micropropagation (BALDOTTO et al, 2010), have been investigated in order to minimize these problems.…”
Section: Introductionmentioning
confidence: 99%
“…Advances in plant propagation methods are increasingly present in agriculture, in the pursuit of alternatives to increase the quality and quantity of plantlets (Baldotto et al, 2010;Freitas et al, 2012;Santos et al, 2011a, b). The addition of appropriate doses of nutrients such as potassium and/or the application of silicon (Asmar et al, 2013) can provide promising results in the propagation of pineapple, since success has been reported when these nutrients are applied in isolation to other fruits (Barnes et al, 2009).…”
Section: Introductionmentioning
confidence: 99%