Morphological, Physiological and Biochemical Impact of Ink Industry Effluent on Germination of Maize (Zea mays), Barley (Hordeum vulgare) and Sorghum (Sorghum bicolor)

Bulletin of Environmental Contamination and Toxicology
Chaâbene ZaynebElleuch Amine

Abstract

The present study focuses on effects of untreated and treated ink industry wastewater on germination of maize, barley and sorghum. Wastewater had a high chemical oxygen demand (COD) and metal content compared to treated effluent. Germination decreased with increasing COD concentration. Speed of germination also followed the same trend, except for maize seeds exposed to untreated effluent (E), which germinated slightly faster than controls. These alterations of seedling development were mirrored by changes in soluble protein content. E exerted a positive effect on soluble protein content and maximum levels occurred after 10 days with treated effluent using coagulation/flocculation (TEc/f) process and treated effluent using combined process (coagulation/flocculation/biosorption) (TEc/f/b). Likewise, activity of α-amylase was influenced by effluent composition. Its expression depended on the species, exposure time and applied treatment. Nevertheless, current results indicated TEc/f/b had no observable toxic effects on germination and could be a beneficial alternative resource to irrigation water.

References

May 5, 2001·Annual Review of Plant Physiology and Plant Molecular Biology·Donald E RichardsNicholas P Harberd
Oct 9, 2002·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·T ManiosP Millner
Jun 28, 2008·Journal of Hazardous Materials·Xiang-Juan Ma, Hui-Long Xia
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Citations

Dec 16, 2017·Archives of Environmental Contamination and Toxicology·Ram Naresh BharagavaDevendra Kumar Patel
Oct 13, 2017·Environmental Toxicology and Chemistry·Zayneb ChaâbeneFranck Vandenbulcke
Dec 1, 2018·Environmental Science and Pollution Research International·Marouane MkhininiMohammed Banni
Jan 7, 2021·Environmental Science and Pollution Research International·Aline Soares PereiraCarlos Rogério Mauch

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