Analysis of the physical quality of genetically modified and conventional maize grains in the drying and wetting processes

Coradi, Paulo Carteri; Souza, Alisson Henrique Spricigo de; Camilo, Lucas Jandrey; Lemes, Ângelo Francisco Calegare; Milane, Lélia Vanessa

doi:10.5935/1806-6690.20190044

Cited by 6 publications

(3 citation statements)

References 2 publications

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“…Paraginski et al [36] and Coradi et al [39] found that corn seeds stored in a refrigerated environment had increased electrical conductivity values; however, the electrical conductivity values of seeds stored at ambient temperature doubled and, consequently, they suffered greater deterioration. The longer the storage time and the higher the packaging permeability, the greater the seed deterioration of the seeds.…”

Section: Changes In the Electrical Conductivity Of Stored Soybean Seedsmentioning

confidence: 99%

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

et al. 2020

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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.

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Section: Changes In the Electrical Conductivity Of Stored Soybean Seedsmentioning

confidence: 99%

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

et al. 2020

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“…The reduction of seed metabolism can mitigate the loss of quality of the seed lot, for it maintains the vigor and germination viability. The water characteristics of soybean seeds, such as the relative humidity, may influence the levels of seed water to a condition other than hygroscopic balance [12][13][14]. Increased water content and temperature of the seeds result in changes in physiological seed quality [15,16].…”

Section: Introductionmentioning

confidence: 99%

Adaptation of technological packaging for conservation of soybean seeds in storage units as an alternative to modified atmospheres

et al. 2020

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This study aimed to evaluate the quality of seeds of RR and RR2 PRO soybean cultivars stored in ambient air with raffia packaging (ANER), ambient air with laminated packaging (ANEL), modified atmosphere with polyethylene packaging (AMEP), refrigerated atmosphere (1 to 3°C) with raffia packaging (ARER), refrigerated atmosphere (1 to 3°C) with laminated packaging (AREL), and modified (-14 PSI) and refrigerated (1 to 3°C) atmosphere with polyethylene packaging (AMREP), over 6 months of storage. Results showed that the seeds of cultivar RR2 were preserved with better physiological quality. Raffia and polyethylene packaging under natural storage conditions, in a refrigerated and modified atmosphere, did not preserve the seed quality over the storage period. The conditions of storage in ambient air with laminated packaging (ANEL) and in a refrigerated atmosphere with laminated packaging (AREL) reduced the environmental effects of temperature and relative humidity, leading to better results of physiological quality of the seeds. Storage time negatively influenced the physiological quality of seeds, except for AREL and ANEL, which maintained the quality close to that of the initial conditions, over the 6 months of storage. The best alternatives for soybean seeds storage over 6 months are the laminated packaging in a natural environment, matching the refrigerated conditions. The technological laminated packaging can be used as a new alternative for conserving soybean seeds in processing and storage units.

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“…Dry: Harvested corn with high moisture content needs to be dried, which removes some of the pest eggs and molds from the surface of the corn kernel and keeps the corn at an appropriate moisture content, which is more conducive to subsequent storage and other processes [85][86][87][88][89]. However, the drying process is also accompanied by drying damage or even breakage of corn kernels.…”

Section: Thermal Breakagementioning

confidence: 99%

Factors, Harms, and Control of Corn Kernel Breakage: A Review

GuiXiang,

YaHao,

ChaoSai

et al. 2023

Ann Food Process Preserv

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Corn kernel breakage is an important cause of corn losses. Beginning at harvest, corn kernels are broken by collisions with farm machinery and equipment, drying induces increased kernel breakage susceptibility, and equipment transfers and grain loading generate collisions between corn kernels and with equipment, increasing the amount of broken kernels. Meanwhile, broken kernels increase the risk of insect damage, mold and mildew, as well as aggravate segregation during warehousing, which is detrimental to the safety and quality of corn storage. The causes of corn kernel breakage from harvest to storage are summarized, the water content is a key factor in the post-production quality and quantity of corn, the research results on kernel breakage in recent years are summarized, and suggestions are made for the research related to the reduction of corn kernel breakage rate.

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Analysis of the physical quality of genetically modified and conventional maize grains in the drying and wetting processes

Cited by 6 publications

References 2 publications

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

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

Adaptation of technological packaging for conservation of soybean seeds in storage units as an alternative to modified atmospheres

Factors, Harms, and Control of Corn Kernel Breakage: A Review

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