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1. Toxicity assessment of molybdenum slag as a mineral fertilizer: A case study with pakchoi (Brassica chinensis L.)

Author:
Chen, Yi-ping,   et al.   ; Chen, Dong; Meng, Zhong-wen;     Show all 3 Authors
Source:
Chemosphere 2019 v.217 pp. 816-824
ISSN:
0045-6535
Subject:
Brassica rapa subsp. chinensis; Codex Alimentarius; European Union; arable soils; arsenic; biomass; cadmium; calcareous soils; case studies; catalase; chlorophyll; ecosystems; enzyme activity; food safety; habitats; lead; leaf area; malondialdehyde; mineral fertilizers; mining; molybdenum; peroxidase; photosystem II; seedlings; slags; superoxide dismutase; toxicity; China
Abstract:
... Large quantities of molybdenum (Mo) slag are generated as a by-product during mining and smelting, which not only occupy huge stretches of arable land and natural habitats but also threaten the local ecosystem and environment. How to recycle this Mo slag is becoming an urgent issue. Here, we reported the toxicity assessment of Mo slag as a mineral fertilizer for slag recycling in agricultural prac ...
DOI:
10.1016/j.chemosphere.2018.10.216

2. Exposure to a magnetic field or laser radiation ameliorates effects of Pb and Cd on physiology and growth of young wheat seedlings

Author:
Chen, Yi-ping,   et al.   ; Chen, Dong; Liu, Qiang;     Show all 3 Authors
Source:
Journal of photochemistry and photobiology 2017 v.169 pp. 171-177
ISSN:
1011-1344
Subject:
biomass; cadmium; catalase; electrolytes; glutathione; glutathione-disulfide reductase; heavy metals; lead; magnetic fields; malondialdehyde; seed germination; seedlings; seeds; superoxide anion; superoxide dismutase; wheat
Abstract:
... Lead (Pb) and cadmium (Cd) contamination of soils pose significant problems for successful seed germination and establishment. We compared effects of subjecting wheat seeds either to a magnetic field (MF: 0–800 millitesla) or laser radiation (LR: 0–8min at 20mW/mm2) on wheat seed germination and on physiology and growth of young seedlings exposed to these two heavy metals as seeds and as 2-day-old ...
DOI:
10.1016/j.jphotobiol.2017.03.012

3. CO2 laser enhances the chilling tolerance of wheat seedlings by stimulating NO synthesis

Author:
Chen, Yi-ping,   et al.   ; Liu, Qiang; Chen, Dong;     Show all 3 Authors
Source:
Canadian journal of plant science 2016 v.96 no.5 pp. 796-807
ISSN:
1918-1833
Subject:
ascorbate peroxidase; carbon dioxide; catalase; cold stress; cold tolerance; glutathione-disulfide reductase; hydrogen peroxide; irradiation; malondialdehyde; nitric oxide; nitric oxide synthase; peroxidase; seedlings; seeds; sodium; superoxide dismutase; wheat
Abstract:
... To investigate the mechanism by which laser irradiation enhances the chilling tolerance of wheat seedlings, seeds were exposed to different treatments, and biochemical parameters were measured. Compared with the control group, chilling stress (CS) led to an increase in the concentrations of malondialdehyde (MDA) and H₂O₂, and decreases in the activities of superoxide dismutase (SOD), ascorbate per ...
DOI:
10.1139/cjps-2015-0385

4. Response of antioxidant defense system to laser radiation apical meristem of Isatis indigotica seedlings exposed to UV-B

Author:
Chen, Yi-Ping
Source:
Plant signaling & behavior 2009 v.4 no.7 pp. 571-573
ISSN:
1559-2324
Subject:
Isatis tinctoria; antioxidant activity; apical meristems; catalase; enzyme activity; free radicals; irradiation; peroxidase; photosynthetically active radiation; proline; seedlings; superoxide dismutase; ultraviolet radiation
Abstract:
... To determine the response of antioxidant defense system to laser radiation apical meristem of Isatis indigotica seedlings, Isatis indigotica seedlings were subjected to UV-B radiation (10.08 kJ m⁻²) for 8 h day-1 for 8 days (PAR, 220 µmol m⁻² s⁻¹) and then exposed to He-Ne laser radiation (633 nm; 5.23 mW mm⁻²; beam diameter: 1.5 mm) for 5 min each day without ambient light radiation. Changes in f ...
DOI:
10.4161/psb.4.7.8794
PubMed:
19820308
PubMed Central:
PMC2710544

5. Isatis indigotica seedlings derived from laser stimulated seeds showed improved resistance to elevated UV-B

Author:
Chen, Yi-Ping
Source:
Plant growth regulation 2008 v.55 no.1 pp. 73-79
ISSN:
0167-6903
Subject:
lamps; lasers; catalase; malondialdehyde; seedlings; superoxide dismutase; proline; cotyledons; irradiation; Isatis tinctoria; ultraviolet radiation; peroxidase; ascorbic acid
Abstract:
... Sterilized seeds of Isatis indigotica (Brassicacae) were divided into four groups based on irradiation pretreatments. These control groups (C) were non irradiated, He-Ne laser treated seeds (L), UV-B treated seeds (B) and He-Ne laser followed by UV-B radiation treated seeds (LB). Laser radiation was provided by He-Ne laser, UV-B radiation was provided by filtered Qin brand 30 W fluorescent sun lam ...
DOI:
10.1007/s10725-008-9258-7

6. Weak Microwave Can Enhance Tolerance of Wheat Seedlings to Salt Stress

Author:
Chen, Yi-Ping,   et al.   ; Jia, Jing-Fen; Wang, Ying-Juan;     Show all 3 Authors
Source:
Journal of plant growth regulation 2009 v.28 no.4 pp. 381-385
ISSN:
0721-7595
Subject:
catalase; glutathione; glutathione-disulfide reductase; leaves; microwave radiation; nitric oxide; nitric oxide synthase; oxidative stress; peroxidase; plant growth; roots; salt stress; salt tolerance; seedlings; seeds; shoots; sodium chloride; superoxide dismutase; wheat
Abstract:
... The aim of our investigation was to determine the effect of microwave pretreatment of wheat seeds on the tolerance of seedlings to salt stress. Selected parameters (for example, plant growth and biochemical parameters related to oxidative status) were measured. The results showed that microwave pretreatments for 5, 10, 15, or 20 s resulted in an increase in root length and shoot height in seedling ...
DOI:
10.1007/s00344-009-9106-7

7. Weak microwave can alleviate water deficit induced by osmotic stress in wheat seedlings

Author:
Chen, Yi-Ping,   et al.   ; Jia, Jing-Fen; Han, Xiao-Ling;     Show all 3 Authors
Source:
Planta 2009 v.229 no.2 pp. 291-298
ISSN:
0032-0935
Subject:
ascorbic acid; catalase; free radicals; glutathione; magnetic fields; malondialdehyde; microwave radiation; nitric oxide; peroxidase; seedlings; seeds; stress tolerance; superoxide dismutase; wheat
Abstract:
... The aim of the investigation is to determine the effect of microwave pretreatment of wheat seeds on the resistance of seedlings to osmotic stress. Changes in biophysical, physiological and biochemical characters were measured. The results showed: (1) The magnetic field intensity and seeds temperature increased progressively with microwave pretreatments of 5, 10, 15, 20 s and 25 s compared with con ...
DOI:
10.1007/s00425-008-0828-8