2017
DOI: 10.1590/s0102-053620170404
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Produção de mudas de batata doce em ambiente protegido com aplicação de extrato de Ascophyllum nodosum

Abstract: RESUMO A batata doce é uma olerícola adaptada a climas tropicais e possui baixa tolerância a temperaturas amenas, o que reduz o tempo disponível para o cultivo na região Sul do Brasil. Portanto, técnicas que visem a otimização do processo, como a produção de mudas em bandejas em ambiente protegido, aliado à aplicação de bioestimulantes, torna-se uma alternativa eficiente para reduzir o ciclo da cultura. O objetivo do trabalho foi avaliar a influência do uso do extrato da alga Ascophyllum nodosum na produção de… Show more

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Cited by 17 publications
(20 citation statements)
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“…Treatment with 15 g L −1 biostimulant decreased the MGT (7.5 days) with high GSI (1.26) and higher seed PG (84%). A. nodosum extracts consist of cytokines, auxins, abscisic acid, gibberellins, betaines and alginates [22], and under optimal concentration, these extracts can increase seedling production [23], as well as improve seed germination and seedling establishment [4], as observed in our study (Fig. 1).…”
Section: Resultssupporting
confidence: 80%
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“…Treatment with 15 g L −1 biostimulant decreased the MGT (7.5 days) with high GSI (1.26) and higher seed PG (84%). A. nodosum extracts consist of cytokines, auxins, abscisic acid, gibberellins, betaines and alginates [22], and under optimal concentration, these extracts can increase seedling production [23], as well as improve seed germination and seedling establishment [4], as observed in our study (Fig. 1).…”
Section: Resultssupporting
confidence: 80%
“…However, the use of algae extract had no effect on root morphology of Passiflora actinia [27] and ornamental sunflower seedlings [4]. A. nodosum extract promotes root development and, consequently, serves to effectively establish the seedling [23]. In the present study, the concentration of 15 ml L −1 biostimulant was sufficient to promote seed germination (Fig.…”
Section: Resultsmentioning
confidence: 47%
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“…The effect of IBA application on root dry matter production has been reported in numerous studies in different crops, providing beneficial effects on the weight and quality of the root system formed (Suzuki et al, 2015). According to Neumann et al (2018), the relation between the increase of the dry mass and the live mass is due to the stimulation of the cellular division promoted by the hormonal balance, providing the increase in the number of cells, promoting the expansion of the organ.…”
Section: Discussionmentioning
confidence: 99%