2017
DOI: 10.21826/2446-8231201772216
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Perda dos cotilédones em diferentes épocas no crescimento inicial do feijoeiro

Abstract: RESUMO -Este trabalho teve por objetivo analisar o efeito da perda dos cotilédones em diferentes épocas do crescimento inicial do feijoeiro. O delineamento experimental foi inteiramente casualizado em esquema fatorial de 2x5, plântulas com zero e um cotilédone, interagindo com cinco épocas de extrações: zero, um, dois, quatro e seis dias após a germinação, com cinco repetições compostas por três plântulas. Após os 15 dias foram avaliados os seguintes parâmetros: comprimento médio de raiz e parte aérea; diâmetr… Show more

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Cited by 3 publications
(2 citation statements)
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“…Although the amount of pigments was generally affected from the concentration of 0.5 mg.L -1 of Se. Seedling growth and weight generally declined only from the concentration of 40 mg.L -1 , which is probably due to the fact that cotyledons provide the nutrients, carbon and energy required for early seedling growth, maintaining the supply until the leaves established the photosynthetic process (Lapaz et al 2017). Similar results were found with hydroponics in selenite-selenate-enriched medium, where the chlorophyll concentration, growth and weight decreased in response to the increase in Se concentrations (Akbulut and Çakir 2010;Mostofa et al 2017).…”
Section: Photosynthetic Pigments and Sugarssupporting
confidence: 56%
“…Although the amount of pigments was generally affected from the concentration of 0.5 mg.L -1 of Se. Seedling growth and weight generally declined only from the concentration of 40 mg.L -1 , which is probably due to the fact that cotyledons provide the nutrients, carbon and energy required for early seedling growth, maintaining the supply until the leaves established the photosynthetic process (Lapaz et al 2017). Similar results were found with hydroponics in selenite-selenate-enriched medium, where the chlorophyll concentration, growth and weight decreased in response to the increase in Se concentrations (Akbulut and Çakir 2010;Mostofa et al 2017).…”
Section: Photosynthetic Pigments and Sugarssupporting
confidence: 56%
“…Each embedded fragment corresponds to an experimental plot. The sections of samples were fixed with Mayer adhesive, stained with 1% safranin and mounted on slides and coverslips with Entellan® adhesive (Kraus & Arduim, 1997 (Fig a (Figure 3A) (Lapaz et al, 2017). Stunting and smut diseases caused changes in the cuticle thickness of the abaxial face, leaving it thinner ( Figure 4D).…”
Section: Ultrastructure Parametersmentioning
confidence: 99%