Using Composite Nano silica/Activated Carbon to alleviate salt stress during seed germination of fenugreek

Document Type : Scientific articles

Authors

1 Soils, Water and Environment Research Institute, Agricultural Research Center

2 Medicinal and Aromatic Plants Research Department, Horticulture Research Institute, Agricultural Research Center, Giza, Egypt

3 Central laboratory of Date Palm Research and Development, Agricultural Research Center, Giza

Abstract

Seed germination reflects an important stage of the whole plant life cycle. So, this experiment was conducted to study the effect of five concentrations of composite nano silica/Activated Carbon, sodium silicate (100, 300, 500, 700 and 1000 mgl-1) compared to control to compare their effects on alleviating salt stress during seed germination of fenugreek (Trigonella foenum-graecum. L) under Na+ stress (100 mM NaCl). From results it was illustrated that both of 300 and 500 mg l-1 SiO2/AC induced final germination% by (45%) compared with untreated seeds. While the rate of 300 mg l-1 SiO2/AC significantly increased vigor index, fresh and dry weight of seedlings, and germination index, conversely, it reduced the mean germination time by 56.60%. On other side, root shoot ratio was induced with 500 mg l-1 SiO2/AC by 59.57 comparing with control. It was found that applications of 1SiO2/ AC improve saline tolerance, root , growth efficiency of fenugreek

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