Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/59637
Título: Acclimatization of sweet potatoes under in vitro application of diatomaceous earth
Palavras-chave: Ipomoea batatas
Silicon
Plant anatomy
Tissue culture
Data do documento: 2023
Editor: Academia Brasileira de Ciências
Citação: OLIVEIRA, Altino Júnior M. et al. Acclimatization of sweet potatoes under in vitro application of diatomaceous earth. Anais da Academia Brasileira de Ciências, [S.l.], v. 95, n. 2, 2023.
Resumo: Diatomaceous earth is an organic naturally occurring material rich in silicon. This silicon source can be used in organic agriculture, it also has a great potential of use in the acclimatization of crops. However, there are no reports of the effects of diatomaceous earth supplementation on the micropropagation of sweet potato. Thus, the objective of this study was to evaluate the effects of different concentrations of diatomaceous earth applied in vitro on the growth, physiology and anatomy of sweet potato cv. ‘Brazlândia Branca’ after acclimatization. Four concentrations of diatomaceous earth. After 30 days of in vitro growth, the plants were transferred to a greenhouse for acclimatization. After 45 days, leaf number, shoot and root length, fresh and dry shoot and root mass, gas exchange, chlorophyll content, root and leaf anatomy. The experimental design was completely randomized. The supplementation of diatomaceous earth in the in vitro cultivation had beneficial effects, increasing the accumulation of mass, improving the photosynthetic apparatus and promoting favorable anatomical characteristics during the acclimatization of the sweet potato plants. In addition, the use of diatomaceous earth achieved adequate seedling development, with higher seedling quality and resistance to biotic and abiotic effects than attained with control treatment.
URI: http://repositorio.ufla.br/jspui/handle/1/59637
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