Silicon and Floricultural Crops: Evaluation of Silicon Uptake and Deposition in Floricultural Plants

The solubility and availability of Si from the feldspar, silica, and zeolite as Si-bearing minerals were studied in a sandy soil. Silicon uptake by the soybean (Glycine max L.) plant was discussed. The minerals used were applied before planting in two separate rates; rate 1 ≈ 595.2 and rate 2 ≈ 1190.5 kg ha-1 accompanied by a ≈ 4.8 kg ha-1 constant rate of the K-humate sprayed as a solution on soil after planting in a complete randomized block design. The dissolved Si from the different minerals at rate 2 followed an opposite direction to their SiO2 percentage that may be due to the structural differences: silica (1.46 mg kg-1 - SiO2 =98.4%) < zeolite (1.71 mg kg-1 - SiO2 =75.9%) < feldspar (2.09 mg kg-1 - SiO2 = 71.9%). The individual mineral treatments at rate 2 have almost decreased the available NPK estimated after soybean harvesting. The K-humate has enhanced the effect of silica at rate 2 for the available N and P. The soybean seed yield (kg ha-1) increased significantly by 117.9% for the S1 + H, 109.2% for K-humate and 57.5% for the Z2 + H. The seeds’ Si (mg kg-1) increased significantly from 3.6% to 102.9% affected by the silica treatments.

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Silicon Uptake and Transport in Plants: Physiological and Molecular Aspects

Silicon in Agriculture ◽

10.1007/978-94-017-9978-2_4 ◽

2015 ◽

pp. 69-82 ◽

Cited By ~ 2

Author(s):

Yongchao Liang ◽

Miroslav Nikolic ◽

Richard Bélanger ◽

Haijun Gong ◽

Alin Song

Keyword(s):

Silicon Uptake ◽

Molecular Aspects ◽

Uptake And Transport

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Sodium silicate and calcium silicate differentially affect silicon and aluminium uptake, antioxidant performance and phenolics metabolism of ryegrass in an acid Andisol

Crop and Pasture Science ◽

10.1071/cp17202 ◽

2018 ◽

Vol 69 (2) ◽

pp. 205 ◽

Cited By ~ 5

Author(s):

Alejandra Ribera-Fonseca ◽

Cornelia Rumpel ◽

María de la Luz Mora ◽

Miroslav Nikolic ◽

Paula Cartes

Keyword(s):

Lipid Peroxidation ◽

Antioxidant Enzymes ◽

Antioxidant Capacity ◽

Sodium Silicate ◽

Calcium Silicate ◽

Lignin Biosynthesis ◽

Enzyme Activation ◽

Structural Function ◽

Silicon Uptake ◽

Si Content

Evidence indicates that silicon (Si) alleviates diverse stresses by improving the antioxidant capacity and phenolics metabolism of plants. We assessed the effect of sodium silicate (Na2SiO3) and calcium silicate (CaSiO3) on Si and aluminium (Al) uptake, antioxidant performance and phenolics (with antioxidant or structural function) of ryegrass cultivated on an acid Andisol under greenhouse conditions. Ryegrass was treated with either sodium silicate or calcium silicate at gradually increasing doses (250, 500 and 1000 mg Si kg–1 soil). Yield and concentrations of Si and Al were measured in roots and two shoot cuts. At the first cut, phenols, antioxidant enzymes, antioxidant capacity, lipid peroxidation and lignin production and composition were also determined. Ryegrass supplied with sodium silicate exhibited the highest Si content. Root Si was closely correlated with Al or Si : Al ratio. Shoot Si uptake increased total phenols and activities of antioxidant enzymes (CAT, APX and POD), but reduced lipid peroxidation. Silicon also changed the lignin production and composition in shoots at the highest sodium silicate dose. Silicon uptake reduced the deleterious effect of soil acidity in ryegrass. Sodium silicate had the greatest influence on the antioxidant system through enhancement of phenols production and antioxidant enzyme activation. Peroxidase activity appears to be associated with increased lignin biosynthesis in plants supplied with sodium silicate.

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Effects of ATP production on silicon uptake by roots of rice seedlings

Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology ◽

10.1080/11263504.2011.601771 ◽

2011 ◽

Vol 145 (4) ◽

pp. 866-872 ◽

Cited By ~ 4

Author(s):

Jing Zhang ◽

Hui Liu ◽

Quan-Zhi Zhao ◽

Yan-Xiu Du ◽

Qing-Xiao Chang ◽

...

Keyword(s):

Rice Seedlings ◽

Atp Production ◽

Silicon Uptake

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Provision of nitrogen as ammonium rather than nitrate increases silicon uptake in sugarcane

AoB Plants ◽

10.1093/aobpla/plu080 ◽

2015 ◽

Vol 7 ◽

Cited By ~ 3

Author(s):

Malcolm G. Keeping ◽

R. Stuart Rutherford ◽

C. Sewpersad ◽

Neil Miles

Keyword(s):

Silicon Uptake

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Seasonal Periodicity of Diatoms, and Silicon Limitation in Offshore Lake Michigan, 1975

Journal of the Fisheries Research Board of Canada ◽

10.1139/f77-087 ◽

1977 ◽

Vol 34 (4) ◽

pp. 552-558 ◽

Cited By ~ 29

Author(s):

J. I. Parker ◽

H. L. Conway ◽

E. M. Yaguchi

Keyword(s):

Key Words ◽

Primary Productivity ◽

Rapid Growth ◽

Lake Michigan ◽

Spring Bloom ◽

Accumulation Rate ◽

Biomass Accumulation ◽

Seasonal Periodicity ◽

Silicon Uptake ◽

Bloom Diatom

Diatom biomass maxima occurred in spring and fall and produced a bimodal bloom sequence at an offshore Lake Michigan station. The maximum in May was preceded by rapid growth as indicated by increased values of primary productivity and pigment concentration. As the spring bloom progressed, decreasing nutrient levels apparently slowed diatom growth. The diatom-biomass accumulation rate declined, assimilation quotients were minimal, and soluble reactive silicon was reduced from 13 to 6.8 μmol/ℓ. In summer, after the bloom, diatom biomass and silicon reached seasonal minima of < 250 mg C/m2 and ~ 1.0 μmol/ℓ, respectively. Diatom biomass increased again in October when silicon supplies were replenished and the concentration exceeded 6.6 μmol/ℓ. A critical silicon concentration of ~ 6.5 μmol/ℓ, may control the development and timing of offshore diatom populations in Lake Michigan. Key words: Lake Michigan, diatoms, growth, biomass, periodicity, silicon, uptake, limitation

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