Armazenamento do crambe em diferentes embalagens e ambientes: Parte I - Qualidade fisiológica

Bessa, Jaqueline Ferreira Vieira; Donadon, Juliana Rodrigues; Resende, Osvaldo; Alves, Rosa Maria Vercelino; Sales, Juliana de Fátima; Costa, Lílian Moreira

doi:10.1590/1807-1929/agriambi.v19n3p224-230

Cited by 35 publications

(28 citation statements)

References 13 publications

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“…Seeds under these conditions require higher nutrient intakes from their reserves to restore deteriorated membranes and reactivate their metabolism, compromising their vigour (Vanzolini & Nakagawa, 2005). The electrical conductivity values in this work are lower than those presented by other authors (Costa et al, 2012;Oliva, Biaggioni, & Cavariani, 2012;Bessa et al, 2015), but similar to those observed by Bezerra, Biaggioni, Silva, Sperotto, and Brandão (2015). Cruz et al (2013) evaluated five lots of crambe seeds and observed a variation from 58 to 877 mS cm -1 g -1 at different soaking times.…”

Section: Resultssupporting

confidence: 64%

Foliar application of plant growth regulators changes the physiological quality of crambe seeds

Boiago

Coelho

Fernandes

et al. 2019

Acta Sci. Biol. Sci.

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The application of plant growth regulators can manipulate the development of cultivated plants, and their physiological effects may be reflected in the physiological quality of the seeds. This study evaluated the effects of plant growth regulators (PGR) on the physiological quality of crambe seeds produced in the 2014 and 2015 harvests. During crop development, we applied two foliar sprayings of the following treatments: 1) control treatment with distilled water; 2) indole-3-acetic acid 100 mg L-1 (IAA); 3) 3-gibberellic acid P.A. 100 mg L-1 (GA3); 4) commercial PGR Stimulate® 6 mL L-1. The seeds were harvested and evaluated for water content, germination percentage and germination speed index (GSI), electrical conductivity and concentrations of leached Ca, Mg and K ions. Means were compared by Tukey´s and Dunnett tests (p<0.05). Applying Stimulate® increased the germination percentage and the germination speed index, while IAA application showed an opposite effect, increasing the electrical conductivity of crambe seeds. Calcium leaching decreased with IAA application, and all regulators reduced K leaching. We therefore infer that the application of plant growth regulators influences the physiological quality of crambe seeds.

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Section: Resultssupporting

confidence: 64%

Foliar application of plant growth regulators changes the physiological quality of crambe seeds

Boiago

Coelho

Fernandes

et al. 2019

Acta Sci. Biol. Sci.

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“…However, this may be a result of the hygroscopic characteristics of the beans and relative humidity variation during the storage. Consequently, phenomena such as sorption and desorption likely occured, as described by Tiecker Junior et al (2014) and Bessa et al (2015) (Table 1). Moreover, throughout the 180 day storage period, the increase in the storage temperature decreased the equilibrium water content of the beans; this occurred because relative humidity decreased as the storage temperature increased and resulted in a lower equilibrium water content (Table 1).…”

Section: Resultsmentioning

confidence: 83%

Castor Beans Quality Subjected to Different Storage Temperatures and Periods

et al. 2018

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The control of the temperature of the storage air have the ability to improve a better preservation of some types of agricultural products. However, the most effective temperature for storage as well as the duration of storage varies between products. Therefore, special attention should be concentrated on the storage temperature and its effects on the integrity and longevity of the produce. The objective of the present study was to evaluate the effects of storage temperature and storage period on the quality of castor beans. Castor seeds with a water content of approximately 6.1% (w.b.) were stored for 180 days at temperatures of 15, 25 and 35 °C. The quality of the seeds was evaluated every 45 days throughout the study period by measuring dry matter loss, electrical conductivity, color, and the free fatty acid and peroxide content of the crude oil extracted. Our results indicated that: a) higher storage temperature negatively affect the quality of the seeds and the extracted oil; b) the negative effect of temperature increase with longer storage period; c) the storage temperature of 15 °C least affect the quality of castor bean and the extracted oil.

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“…With respect to relative humidity, the average value observed was 57.9 %, with a recorded maximum of 83.4 % and minimum of 47.3 %. Table 1 shows the oscillations in the water content of grains during storage, due to its hygroscopicity, and because of the non-controlled temperature and relative humidity that induce the sorption and desorption phenomena (Tiecker Junior et al 2014, Bessa et al 2015. During the 180 days of storage, it was also found that all the treatments exhibited increases in moisture content at 45 and 180 days, possibly because these two assessment points followed periods of higher relative humidity, thereby favoring sorption processes.…”

Section: Resultsmentioning

confidence: 99%

Quality of second season soybean submitted to drying and storage

Filho

Goneli

Masetto

et al. 2016

Pesqui. Agropecu. Trop.

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Drying agricultural products reduces the moisture content to suitable levels for storage, in order to maintain the product quality. However, special care with the temperatures applied in the process is important for the integrity and longevity of the material. The present study aimed at determining the immediate and latent effect of air-drying temperatures on the quality of soybean produced as a second season crop. The grains were collected at the R8 stage, close to the physiological maturity, with moisture content of approximately 23 % (w.b.), submitted to drying temperatures of 40 ºC, 50 ºC, 60 ºC, 70 ºC and 80 ºC, up to a moisture content of 12.5 ± 0.7 % (w.b.), and then stored under non-controlled humidity and temperature for 180 days. Thereafter, quality was assessed every 45 days by determining the dry matter loss, color and crude protein and lipid contents, as well as the acidity and peroxide indices of the crude oil extracted. Based on the results obtained, it was concluded that the increase in the air-drying temperature affects the soybean quality and crude oil extracted, being this effect enhanced with the storage time; the soybean and crude oil quality decline with an increase in the air-drying temperature and storage time; the air temperature of 40 ºC has the least effect on the quality of soybean grains and crude oil extracted.

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Armazenamento do crambe em diferentes embalagens e ambientes: Parte I - Qualidade fisiológica

Cited by 35 publications

References 13 publications

Foliar application of plant growth regulators changes the physiological quality of crambe seeds

Foliar application of plant growth regulators changes the physiological quality of crambe seeds

Castor Beans Quality Subjected to Different Storage Temperatures and Periods

Quality of second season soybean submitted to drying and storage

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