Development of pulsed electric fields treatment unit to treat wheat grains: Improvement of seed vigour and stress tolerance

Evrendilek, Gülsün Akdemir; Atmaca, Bahar; Bulut, Nurullah; Uzuner, Sibel

doi:10.1016/j.compag.2021.106129

Cited by 17 publications

(12 citation statements)

References 20 publications

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“…Electrical conductivity (EC) measurement was performed using a Sension 5 model conductivity meter (HACH, CO, USA). Conductivity was measured at 4, 8, and 24 h (30).…”

Section: Electrical Conductivity Measurement Electrical Conductivity ...mentioning

confidence: 99%

“…Each pot was irrigated with 100 mL of salted water for each level at first day; whereas, 50 mL of salted water was added for the following 13 days. All experiments were repeated in triplicate (30,63).…”

Section: Effect Of Salt Stress On Germination Effect Of Salt Stress O...mentioning

confidence: 99%

“…PCA and PDA plates were incubated at 35 ± 2 o C for 24-48 h and 22 ± 2 o C for 3-5 days, respectively. Results were calculated as log cfu/g (30).…”

Section: Inactivation Of Surface Microflora Inactivation Of Surface M...mentioning

confidence: 99%

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Unrevealing the impact of pulsed electric fields (PEF) on cucumber seed vigour and surface disinfection

Atmaca

Evrendilek

Bulut

et al. 2021

The EuroBiotech Journal

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Chemicals used for seed treatments help to increase the agricultural production by preventing pests and pathogens but also cause environmental and health problems. Thus, environmentally-friendly technologies need to be developed for a seed treatment that inactivates surface microflora and improves seed vigor. One such pulsed electric field (PEF) treatment applied to cucumber seeds in the range of 1.07-17.28 Joule (J) significantly enhanced a mean germination rate (MGR) by up to 9%, a normal seedling rate by 25.73%, and a resistance to 100 and 200 mM salt stresses by 96% and 91.67%, respectively, with a stronger and faster growth of roots and seedlings. PEF treatment provided 3.34 and 3.22 log-reductions in the surface microflora of total mold and yeast and total aerobic mesophilic bacteria, respectively. The electrical conductivity (EC) values of the control samples increased over time, from 4 to 24 h. Those of the PEF-treated samples after 4, 12, and 24th hours were also more affected by the measurement time not by the PEF treatment. The joint optimization of 18 responses based on the best-fit Gaussian process model pointed to 19.78 s and 17.28 J as the optimal settings. The PEF treatment appeared to improve seed germination ability and stress resistance with the adequate inactivation of surface microflora.

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“…Electrical conductivity (EC) measurement was performed using a Sension 5 model conductivity meter (HACH, CO, USA). Conductivity was measured at 4, 8, and 24 h (30).…”

Section: Electrical Conductivity Measurement Electrical Conductivity ...mentioning

confidence: 99%

Section: Effect Of Salt Stress On Germination Effect Of Salt Stress O...mentioning

confidence: 99%

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Unrevealing the impact of pulsed electric fields (PEF) on cucumber seed vigour and surface disinfection

Atmaca

Evrendilek

Bulut

et al. 2021

The EuroBiotech Journal

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“…During seed germination [11,12] , water plays an important role in maintaining the functioning and activity of seeds [13] . The state and distribution of water can affect the catalytic functions of various enzymes [14,15] , which in turn can alter the metabolic rates of biological macromolecules, such as carbohydrates, starch, lipids, and proteins, consequently [16] , affecting seed germination and emergence rates [17][18][19][20][21] . Research on the patterns of changes in the internal enzymes of seeds treated with HV-PEF has been conducted extensively and has produced remarkable results.…”

Section: Introductionmentioning

confidence: 99%

Determining the effects of LFHV-PEF treatment on the water distribution and vigor of aged rice seeds using LF-NMR

Cheng

Song

Hou

et al. 2022

International Journal of Agricultural and Biological Engineering

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This study aimed to investigate the effect of low-frequency high-voltage pulsed electric field (LFHV-PEF) treatment on the germination of aged rice seeds. Aged rice seeds were subjected to LFHV-PEF treatment with different electric field strengths, and low-field nuclear magnetic resonance (LF-NMR) was performed to acquire the LF-NMR data of rice seeds at different germination periods during a standard seed germination test to analyze their internal patterns of water state and distribution. Optimal treatment conditions were determined based on the physicochemical data collected during germination, and the improvements in seed vigor were verified. The findings indicated that during germination, the contents of bound and semi-bound water within the aged rice seeds initially increased and then decreased, whereas free water and total water contents increased continuously and rapidly. Side peaks were also observed within the seeds. Under the LFHV-PEF treatment, the semi-bound water within the seeds was more easily converted to free water, and the water absorption rate, germination potential, germination rate, germination index, and vigor index of these seeds improved. Further, the optimal electrical field strength was 12 kV. By analyzing the internal patterns of water state and distribution in seeds, the mechanism by which electric field treatment improved seed vigor was elucidated, thus, providing theoretical support and data evidence for research on water absorption during the germination of rice seeds, and methods for improving seed vigor.

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“…The electric conductivity was determined by the method of Akdemir Evrendilek et al [1] . About 25 g seeds were placed into plastic jars and filled with 250 ml distilled water at room temperature, measured by an electrical conductivity (DDS-303A, Leici, China).…”

Section: Methodsmentioning

confidence: 99%

Ultrasonic seed treatment improved seed germination, growth, and yield of rice by modulating associated physio-biochemical mechanisms

Huang,

Ashraf,

Duan

et al. 2024

Ultrasonics Sonochemistry

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Development of pulsed electric fields treatment unit to treat wheat grains: Improvement of seed vigour and stress tolerance

Cited by 17 publications

References 20 publications

Unrevealing the impact of pulsed electric fields (PEF) on cucumber seed vigour and surface disinfection

Unrevealing the impact of pulsed electric fields (PEF) on cucumber seed vigour and surface disinfection

Determining the effects of LFHV-PEF treatment on the water distribution and vigor of aged rice seeds using LF-NMR

Ultrasonic seed treatment improved seed germination, growth, and yield of rice by modulating associated physio-biochemical mechanisms

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