scholarly journals Evaluation of coatings for application in raffia big bags in conditioned storage of soybean cultivars in seed processing units

PLoS ONE ◽  
2020 ◽  
Vol 15 (11) ◽  
pp. e0242522
Author(s):  
Paulo Carteri Coradi ◽  
Roney Eloy Lima ◽  
Charline Zaratin Alves ◽  
Paulo Eduardo Teodoro ◽  
Ana Carina da Silva Cândido
Keyword(s):  
Ambient Temperature ◽  
Storage Temperature ◽  
Cumulative Effect ◽  
Soybean Seeds ◽  
Storage Duration ◽  
Soybean Cultivars ◽  
Temperature Conditions ◽  
Seed Processing ◽  
Physiological Quality

Different regions have different environmental conditions, which may be unfavorable for the preservation of the quality of stored soybean seeds over time. Thus, it is necessary to adopt specific technologies to control the storage environment conditions. Big raffia bags are widely used for the storage of soybean seeds, however these consist of a porous, permeable material that allows the exchange of gases between the packaging and the storage environment. In an effort to find a solution to this problem, in this study we evaluated low cost big bag coating alternatives, in order to minimize the effects of temperature and intergranular humidity on stored seeds. Thus, the aim of this work was to evaluate the quality of soybean cultivars subjected to different temperature and storage duration conditions and stored in raffia bags with or without internal coating. We used a completely randomized, three-factor (10 × 6 × 5) experimental design. We assessed 10 soybean cultivars, six storage environments, and five evaluation periods. Our results showed that seeds of the M-SOY 8866, M7110 IPRO, CD 2737 RR, and BMX DESAFIO 8473 RSF soybean cultivars preserved their physiological quality better in different storage environments. The storage duration had a cumulative effect on the negative factors that favor the deterioration of the quality of the stored seeds. The storage temperature was the main factor that affected the physiological quality of the stored seeds. The use of coated packaging was beneficial in preserving the physiological quality of stored soybean seeds; however, its effect was greater at ambient temperature than in a cold environment. The best storage environment for the preservation of the quality of the seeds was characterized by 10°C temperature conditions and the use of coated packaging, while the worst storage environment was characterized by ambient temperature conditions without the use of coated packaging. Thus, it was concluded that the use of coatings in raffia big bags can be an alternative for maintaining the quality of seeds of different soybean cultivars during storage in seed processing units.

scholarly journals Incidence of Sclerotinia sclerotiorum and the physical and physiological quality of soybean seeds based on processing stages

2013 ◽  
Vol 35 (4) ◽  
pp. 409-418 ◽  
Author(s):  
Heria de Freitas Teles ◽  
Larissa Leandro Pires ◽  
Marcos Gomes da Cunha ◽  
Flavio Pereira dos Santos ◽  
Francisco Ameloti Neto
Keyword(s):  
Sclerotinia Sclerotiorum ◽  
Fungal Pathogens ◽  
Soybean Seeds ◽  
Seed Moisture Content ◽  
Mycelial Form ◽  
Seed Processing ◽  
Seed Moisture ◽  
Physiological Quality ◽  
Glycine Max L

Soybean (Glycine max L. Merrill) is infected by a large number of fungal pathogens, among them white mold agent [Sclerotinia sclerotiorum (Lib) de Bary]. The objective of this study was to verify the effect of the seed-processing stages on the physical and physiological qualities and on the incidence of S. sclerotiorum in soybean seeds. In this study, seeds from eight cultivars coming from production fields naturally infested in the counties of the State of Goiás, Brazil, from two harvests (2009/2010 and 2010/2011), were used. Samples were collected in the processing stages: hopper, pre-cleaning, discard one (from pre-cleaning), cleaning, sieve classifiers, spiral, gravity table, and discard two (after cleaning until processing ending). The following parameters were evaluated: seed- moisture content, physical purity, germination and tetrazolium. Additional tests and the detection of S. sclerotiorum in paper roll and the neon method were performed. The processing of soybean seeds improves the physical and physiological quality of the seed lots, in addition to eliminating sclerotia. The stages of pre-cleaning and cleaning significantly reduce sclerotia in seed lot. The amount of sclerotia in the sample is not necessarily correlated with the incidence of S. sclerotiorum in mycelial form.

scholarly journals Physiological quality and seed storage potential of four soybean cultivars

2021 ◽  
Vol 10 (4) ◽  
pp. e7910413635
Author(s):  
Larissa Aparecida Giasson ◽  
Adriana Paula D’Agostini Contreiras-Rodrigues ◽  
Daniela Aparecida Dalla-Costa ◽  
Betania Brum de Bortolli ◽  
Aline Ferreira Coelho ◽  
...  
Keyword(s):  
Repeated Measures ◽  
Storage Time ◽  
Accelerated Aging ◽  
Seed Storage ◽  
Soybean Seeds ◽  
Soybean Cultivars ◽  
Repeated Measures Analysis ◽  
Germination Speed ◽  
Physiological Quality

The objective of this study was to evaluate physiological seeds quality of four soybean cultivars during storage, under controlled and uncontrolled conditions. Seeds of Brasmax Lança IPRO, Brasmax Raio IPRO (está diferente do Material e Médtodos), Pioneer 95y52 and TMG 7062 IPRO cultivars were stored in controlled (20 ± 1.2 °C) and uncontrolled (producer's warehouse) environments and the following traits were assessed: percentage of germination (GERM), germination speed index (GSI), germination speed (GS) and accelerated aging (AA) at 0, 60, 120 and 180 days of storage. Covariance matrices structure of storage time was tested through repeated measures analysis, adopting a bifactorial model. Data were submitted to ANOVA (α=5%) and when the means presented significant differences, regression analysis and Scott-Knott test (α=5%) were performed. Differences in soybean seeds physiological quality are not related to storage environment. Lança cultivar was the most tolerant to storage, while Ray and TMG 7062 cultivars were more sensitive.

scholarly journals Physiological Potential of Bean Seeds under Different Storage Temperatures

2017 ◽  
Vol 9 (12) ◽  
pp. 82
Author(s):  
Camila Hendges ◽  
Douglas Luzzi ◽  
Ricardo Walcker ◽  
Jéssica Inês Finger ◽  
Donizete Batista Carmelo ◽  
...  
Keyword(s):  
Seed Quality ◽  
Storage Temperature ◽  
Seed Mass ◽  
Accelerated Aging ◽  
Numerical Data ◽  
Cold Test ◽  
Temperature Conditions ◽  
Physiological Quality ◽  
Storage Temperatures

Stored beans have active metabolism and respiration may cause significant quality losses. Therefore, some care is necessary during this period, aiming at maintaining the physiological quality of seeds, minimizing their deterioration and reducing their germinative power. Seed quality during storage may be influenced by environmental factors and the interaction of genotypes with the environment. The objective was to evaluate the germination and vigor of bean seeds after 90-days storage under different temperature conditions. The experiment was conducted under a completely randomized design, with four replications, in 3 × 2 factorial scheme, considering three storage temperatures (10 °C, 20 °C and 30 °C) and two storage times (0 and 90 days). For potential evaluation, the following characteristics were considered: moisture content, thousand seed mass, germination, electrical conductivity, accelerated aging and cold test. Numerical data were submitted variance analysis with averages compared by means test at 5% of significance. Results showed that storage temperature conditions directly affect physiological quality of bean seeds. Temperature of 10 °C provided better seed conservation whereas temperature of 30 °C promoted higher deterioration and reduced vigor.

scholarly journals Physiological quality of soybean seeds treated with imidacloprid before and after storage

2020 ◽  
Vol 66 (No. 10) ◽  
pp. 513-518
Author(s):  
Renata Cristiane Pereira ◽  
Murilo Fuentes Pelloso ◽  
Larissa Vinis Correia ◽  
Thaisa Cavalieri Matera ◽  
Rayssa Fernanda dos Santos ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Seed Treatment ◽  
Seedling Emergence ◽  
Accelerated Aging ◽  
Soybean Seeds ◽  
Germination Test ◽  
Soybean Cultivars ◽  
Before And After ◽  
Physiological Quality

This study aimed to evaluate the effect of different slurry volume of imidacloprid insecticide on the physiological potential during the storage of seeds of three soybean cultivars. A completely randomised experimental design was adopted, in a 6 × 3 × 2 factorial scheme, which treatments were six slurry volumes with imidacloprid insecticide (0, 200, 500, 800, 1 100 and 1 400 mL/100 kg of seeds), 3 soybean cultivars (SYN15630, M5947, and NS5959) and 2 storage periods (0 and 30 days after seed treatment), with four replications. The treated seeds were stored in kraft paper bags with controlled temperature and humidity. The physiological potential of the seeds was evaluated by standard germination test, electrical conductivity, accelerated aging, seedling emergence in the sand seedbed, and the field. The germination and vigor of soybean seeds were reduced during storage, especially with the increase in the volumes of the insecticide solution.  

scholarly journals Physical and physiological qualities of soybean seed as affected by processing and handling

2013 ◽  
Vol 35 (4) ◽  
pp. 466-477 ◽  
Author(s):  
Tana Balesdent Moreano ◽  
Alessandro de Lucca e Braccini ◽  
Carlos Alberto Scapim ◽  
José de Barros França-Neto ◽  
Francisco Carlos Krzyzanowski ◽  
...  
Keyword(s):  
Soybean Seed ◽  
Accelerated Aging ◽  
Soybean Seeds ◽  
Stink Bug ◽  
Germination Test ◽  
Seed Processing ◽  
Physiological Quality ◽  
Gravity Separator ◽  
Viable Seeds

Seed processing machines remove viable seeds from non-viable seeds and inert materials based on physical characteristics. The objective of this study was to assess the effect of each processing machine alone on the physical and physiological qualities of the soybean seeds. Seed samples of two soybean cultivars - BMX Potência RR and NK 7059 RR - were collected from five machines separately: air-screen machine, spiral separator, size grader and gravity separator. The experimental design was a completely randomized factorial, varying with the equipment, with 20 replications. Samples were assessed by germination test, accelerated aging, viability and vigor by tetrazolium test (TZ), weathering damages (TZ class 3), mechanical damages (TZ 1-8) and (TZ 6-8), stink bug damages (TZ 1-8) and weight of one thousand seeds. The air-screen machine and the spiral separator did not contribute to improve physiological quality of seeds; the size grader concentrated mechanical damages in larger sizes and stink bug damages in smaller sizes. Gravity separators showed higher quality seeds at the upper part of the machine compared to intermediate and lower parts. Mechanical damages and stink bug damages can be reduced by gravity separator and weathering damages are not eliminated by any of the machines.

scholarly journals Enzyme activity in soybean seeds produced under foliar application of manganese

2014 ◽  
Vol 38 (4) ◽  
pp. 317-327 ◽  
Author(s):  
Everson Reis Carvalho ◽  
João Almir Oliveira ◽  
Édila Vilela de Resende Von Pinho ◽  
Jaime Costa Neto
Keyword(s):  
Enzyme Activity ◽  
Foliar Application ◽  
Enzyme Activation ◽  
Soybean Seeds ◽  
Soybean Cultivars ◽  
Physiological Quality ◽  
Mn Content ◽  
Two Stages ◽  
Different Doses

Several factors affect the quality of soybean seeds, including the mineral nutrition of plants. Manganese (Mn) is an important nutrient because it has as one of its functions the enzyme activation. The aim of this study was to evaluate enzyme activity in seeds of soybean cultivars produced with foliar application of different doses of Mn. The experiment was conducted at the Universidade Federal de Lavras (UFLA) (Federal University of Lavras) in randomized blocks with three replications and 4 x 4 x 2 factorial arrangement consisting of four soybean cultivars, two conventional and its genetically modified RR derived (BRS Celeste and BRS Baliza RR; BRSGO Jataí and BRS Silvânia RR), four doses of Mn via foliar application (0; 200; 400 and 600 g Mn ha-1) and two stages of application (R1 or R3). In the seeds, the expressions of the enzymes esterase (EST), malate dehydrogenase (MDH), alcohol dehydrogenase (ADH), superoxide dismutase (SOD), peroxidase (PRX) and isocitratelyase (ICL) were determined. For evaluation of physiological quality, the germination test and emergence speed index (ESI) were performed. The Mn content in the seeds was also determined. The expression of the enzymes EST, SOD, PRX and ICL in soybean seeds are affected by foliar application of Mn, regardless of the stages of application. In the seeds of the cultivars that showed better physiological quality, Celeste and Baliza RR, greater expressions of the enzymes ADH and ICL and lower expressions of MDH and of PRX were observed.

scholarly journals Storage of soybean seeds treated with chemicals

2019 ◽  
Vol 40 (6Supl2) ◽  
pp. 2961
Author(s):  
Isneider Luiz Silva ◽  
Fernando Ribeiro Teles de Camargo ◽  
Raniele Tadeu Guimarães de Souza ◽  
Itamar Rosa Teixeira ◽  
Hamilton Kikuti
Keyword(s):  
Chemical Treatment ◽  
Accelerated Aging ◽  
Storage Period ◽  
Dry Mass ◽  
Soybean Seeds ◽  
Soybean Cultivars ◽  
Randomized Design ◽  
Seedling Length ◽  
Physiological Quality

To treat seed lots during the beneficiation process industrial seed treatment (TIS) has been used on seedlings. However, the actual TIS influence on the physiological quality of soybeans throughout storage is not yet known. The objective of this work was to evaluate the effects of TIS on the physiological quality of seeds of soybean cultivars during storage. Three soybean cultivars (M7110 IPRO, RR-8473RSF, M7739 IPRO) were subjected to four chemical treatment combinations (TIC-treated fungicide / insecticide): T1 - control; T2 - fungicide (Derosal Plus® - 200mL); T3 - insecticide (Cruiser ® - 500mL); T4 - a mixture of fungicide and insecticide products metalaxyl + thiabendazole + fludioxonil (MaximAdvanced - 200 mL) and thiamethoxam insecticide (Cruiser 350 FS - 500 mL). The samples were stored for a total of six months, with evaluation before storage and monthly throughout the storage period (0, 30, 60, 90, 120, 150 and 180 days). The seeds were stored in a cold chamber regulated at 12 ± 2 ºC and a relative humidity of 45± 2%. In addition to determining the water content, the following germination and vigor tests were performed: first count, seedling length, seedling dry mass and accelerated aging. A completely randomized design was used, in a 3 x 4 x 7 factorial scheme, with four replications. The data were initiallysubjected to analysis of variance, and later discriminated by the Tukey test (p < 0.05) (cultivars and chemical products) and regression (storage period). The work concludes that the use of insecticide favored the length of seedlings in cultivar RR-8473 RSF. Chemicals affected the quality and vigor of seeds in all studied cultivars. Soybean seeds can be stored with chemical treatment for commercial purposes for up to 60 days.

scholarly journals Micronutrient Content and Physiological Quality of Soybean Seeds

2018 ◽  
Vol 10 (4) ◽  
pp. 223 ◽  
Author(s):  
Geliandro Anhaia Rigo ◽  
Luis Osmar Braga Schuch ◽  
Rodrigo Lamaison de Vargas ◽  
Willian Silva Barros ◽  
Vinícius Jardel Szareski ◽  
...  
Keyword(s):  
Experimental Design ◽  
Graduate Program ◽  
Aluminum Content ◽  
Science And Technology ◽  
Soybean Seeds ◽  
Soybean Cultivars ◽  
Manganese Zinc ◽  
Copper Manganese ◽  
Physiological Quality

The aimed to correlate the micronutrients content in soybean seeds with their physiological potential. The work was developed in the Federal University of Pelotas, in the facilities of the Seed Science and Technology Graduate Program. The experimental design was randomized blocks in arranged in four replicates. The micronutrients measured were: B, Cu, Fe, Mn, Mo, Zn, Al and Na. The magnitudes of micronutrients are dependent on the genetic constitutions of soybean cultivars. Higher variations are expressed for boron, copper, manganese, zinc, molybdenum, sodium and aluminum content, while iron is the most stable micronutrient in soybean seeds. Molybdenum and copper are characterized as determining micronutrients for physiological quality of soybean seeds.

Physiological quality of conventional soybean cultivars of seeds as a function of pod position in plant canopy

2020 ◽  
pp. 336
Author(s):  
Tiago Rodrigues Souza ◽  
Marcos Eduardo Viana Araujo ◽  
Itamar Rosa Teixeira ◽  
Marina Costa Guerrero ◽  
Sebastião Pedro Silva Neto ◽  
...  
Keyword(s):  
Accelerated Aging ◽  
Soybean Seeds ◽  
Plant Canopy ◽  
Soybean Cultivars ◽  
Randomized Design ◽  
Plant Growth Habit ◽  
Physiological Quality ◽  
Completely Randomized Design ◽  
Growth Habits

Soybean cultivars have different growth habits, and the cultivation of those of indeterminate habit has increased significantly in Brazil. Thus, the aim of this study was to evaluate the physiological quality of soybean seeds produced in two harvests, from cultivars with different growth habits and ripening cycles, harvested in different canopy thirds of the plant in the canopy. The seeds were produced in Ipameri, Goiás –Brazil, in two crop harvests, 2014/15 and 2015/16. A completely randomized design was used in a 4x3 factorial scheme with four replications. The treatments consisted of four soybean cultivars with different growth habits and ripening cycles (BRS 6780, BRS 6980, BRS 7980 and BRS 8381), harvested in three positions of the plant canopy (upper, middle and lower). Germination, first count, accelerated aging and electrical conductivity tests were performed. It was observed that the physiological quality of genetic materials studied was influenced by the variable environmental conditions. Soybean cultivars the early cycles produced seeds of superior physiological quality, regardless of plant growth habit. Seeds of soybean cultivars of indeterminate and determined growth habits and earlier cycle, harvested from the upper and middle thirds of the plant, are of better quality. Finally, cultivars with semi-determined and determined habits and late cycles will produce lower quality batches of seeds, regardless of which third of the plant they were harvested.

scholarly journals Sowing periods, agronomic performance and seed quality of soybean cultivars in the Planosol soil

2019 ◽  
Vol 13 ((03) 2019) ◽  
pp. 348-353
Author(s):  
Geison Rodrigo Aisenberg ◽  
Felipe Koch ◽  
Gustavo Zimmer ◽  
Gustavo Henrique Demari ◽  
Vinícius Jardel Szareski ◽  
...  
Keyword(s):  
Seed Weight ◽  
Seed Quality ◽  
Climatic Conditions ◽  
Stem Diameter ◽  
Soybean Seeds ◽  
Morphological Attributes ◽  
Soybean Cultivars ◽  
Physiological Quality ◽  
Soybean Plants

Understanding of sowing in an ideal season for each region and cultivar is essential for the crop to reach each of its stages in more favorable climatic conditions. The objective of this study was to evaluate the influence of different sowing times on agronomic attributes of two soybean cultivars and the physiological quality of soybean seeds in soil type Eutrophic Haplic Planosol. The experimental design was completely randomized, in a factorial scheme 4 x 2, with four sowing times and two soybean cultivars, with eight replications. The sowing was executed at the beginning and end of November (1st and 2nd epochs) and beginning and end of January (3rd and 4th epochs), using the cultivars: Fundacep 64 RR and BMX Potência RR. The experiment was carried out in polyethylene vessels with volumetric capacity of 10 liters. The morphological attributes of the plants were evaluated, such as: height, stem diameter, number of pods and seeds per plant, 1000 seed weight, as well as seed germination and vigor. Seeding after January 1st negatively affected the agronomic behavior of soybean plants, with reduction of plant height, stem diameter, number of pods and seeds per plant. The sowing on November 1st favored the obtaining of seeds with lower physical quality in terms of 1000 seed weight; however, seeds with superior physiological performance. Late sowing showed an alternative for the production of soybean seeds in the South region of Rio Grande do Sul, mainly due to the higher quality of the seeds produced in this period.

Sign in / Sign up

Export Citation Format

Share Document