Detection, Distribution, and Quantification of Silicon in Floricultural Crops utilizing Three Distinct Analytical Methods

Frantz, Jonathan M.; Locke, James; Datnoff, L. E.; Omer, M. A.; Widrig, A.; Sturtz, Douglas; Horst, Leona; Krause, C. R.

doi:10.1080/00103620802358912

Cited by 50 publications

(40 citation statements)

References 20 publications

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“…Si concentrations in tissue samples were determined as described in Frantz et al (2008). ANOVA was performed on the averages for each of the treatments, plant organs were analyzed separately and statistical analyses were performed based on Tukey's HSD test as above.…”

Section: Analysis Of Viral Infection and Si Contentmentioning

confidence: 99%

Silicon delays Tobacco ringspot virus systemic symptoms in Nicotiana tabacum

Zellner

Frantz

Leisner

2011

Journal of Plant Physiology

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Section: Analysis Of Viral Infection and Si Contentmentioning

confidence: 99%

Silicon delays Tobacco ringspot virus systemic symptoms in Nicotiana tabacum

Zellner

Frantz

Leisner

2011

Journal of Plant Physiology

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“…Therefore, we hypothesize that zinnia, which has an initial high silicon concentration, may benefit more from silicon-based fertilizer applications. Frantz et al (2008) found that the silicon content of zinnia leaves was only 31 mg · kg -1 when grown in purified laboratory water, but leaf tissue accumulated up to 11,750 mg · kg -1 silicon (determined colorimetrically) when 2.0 mM potassium silicate fertilizer was added to the nutrient solution. This indicates that approximately half of the silicon accumulated (5,365 mg · kg -1 silicon compared with 11,750 mg · kg -1 silicon) in zinnia plants was fulfilled by our municipal water source and possibly the growing medium.…”

Section: Resultsmentioning

confidence: 99%

“…Frantz et al (2008) reported that 'African Atlantis Primrose' marigold, Tagetes erecta L. plants, which received a nutrient solution containing 2.0 mM potassium silicate fertilizer, had 486 mg · kg -1 silicon in the leaf tissues compared with 129 mg · kg -1 silicon (determined colorimetrically) when plants were grown in a nutrient solution prepared with purified, laboratorygrade water without any silicon-based fertilizer, a difference of 357 mg · kg -1 silicon. The French marigold plants in our study accumulated 625 mg · kg -1 silicon, which was higher than the silicon-treated 'African Atlantis Primrose' marigold, T. erecta, plants used by Frantz et al (2008) possibly because of the soluble monosilicic acid levels in municipal water supplies provided ample silicon for these plant species. In addition, the municipal water sources of Champaign-Urbana, IL, may have silicon levels higher than 2.0 mM silicon.…”

Section: Resultsmentioning

confidence: 99%

Determination of Silicon Concentration in Some Horticultural Plants

Hogendorp¹,

Cloyd²,

Swiader³

2012

horts

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Although silicon is not an essential element, it is taken up by plants but is rarely quantified. Therefore, this study quantified the silicon concentration in 10 commonly grown horticultural plants including meadow sage (Salvia ×sylvestris), tickseed (Coreopsis verticillata), garden phlox (Phlox paniculata), New England aster (Symphyotrichum novae-angliae), Chinese astilbe (Astilbe chinensis), coral flower (Heuchera hybrid), garden zinnia (Zinnia elegans), French marigold (Tagetes patula), sweet basil (Basil spp.), and rosemary (Rosmarinus officinalis) using a plant alkaline fusion technique, which involved dry-ashing plant tissue samples and measuring color development with a spectrophotometer. Both zinnia and aster accumulated substantially more silicon from the municipal water source and growing medium (5365 and 4797 mg·kg−1 silicon, respectively) than the other plants evaluated, which had concentrations less than 2500 mg·kg−1 silicon. This study is just one of a few in which the silicon concentration in various horticultural plants has been quantified. Consequently, this may lead to better understanding those plants that will or will not benefit from applications of silicon-based fertilizers to promote cold-hardiness and/or plant resistance to fungal pathogens and insect pests.

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“…Lanning and Eleuterius (1989) found Si accumulated in leaf trichomes of three species of the genus Helianthus, particularly in the species Helianthus tuberosus. Frantz et al (2008) stated that the location of Si accumulation varies according to the ornamental species, with the highest accumulation rates in the trichomes and in the margins of the leaf blade. Hajiboland et al (2008) observed high Mn accumulation in sunflower leaves and high tolerance to the excesses of this micronutrient, and found this to be a function of the trichomes as well.…”

Section: Resultsmentioning

confidence: 99%

“…The location of deposition, however, appears to depend on the species or botanical family. Frantz et al (2008) evaluated 14 ornamental species and found that the location of silica accumulation is species-specific, but occurs mostly in the leaf trichomes and on the margins of the leaf blade. Higher resistance to water stress observed in silicon-treated sunflower (GUNES et al, 2008), sorghum (YIN et al, 2014) and rice (LAVINSKY et al, 2016) may be due to anatomical changes induced by Si, which consequently lead to lower transpiration and higher photosynthetic rates.…”

Section: Introductionmentioning

confidence: 99%

Leaf anatomy and gas exchange of ornamental sunflower in response to silicon application

Júnior¹,

Venegas²,

Fontes³

et al. 2017

Biosci. J.

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Silicon applied to substrate for greenhouse cultivation of ornamental pot plants can improve the yield and quality of the ornamental product; however, the possible anatomical and physiological changes caused by Si have to be assessed. Therefore, the objective of this study was to evaluate gas exchange rates and leaf anatomy of ornamental sunflower 'Sunbright' grown on a substrate amended with Si. The experiment was conducted in a greenhouse, and the treatments consisted of sunflower plants cultivated in pots containing 600 g substrate fertilized with Si at rates of 0, 0.25, 0.50, 0.75, and 1.00 g kg -1 . The treatments were arranged in randomized complete block design and four replications. Samples from the middle region of leaf blades in the sixth pair from the apex were collected and analyzed morphometrically. Epidermal trichomes were analyzed using diaphanization and scanning electron microscopy with energy-dispersive X-ray spectroscopy. The following traits were determined: leaf blade thickness, palisade and spongy parenchyma thickness, mesophyll thickness, and abaxial and adaxial epidermis thickness. Net photosynthesis, stomatal conductance and transpiration rates were determined in the fifth leaf at the beginning of the flowering stage by an infrared gas analyzer. The data were subjected to ANOVA and regression analyses. The results indicate that the ornamental sunflower 'Sunbright' accumulates Si in leaf trichomes, and that leaf thickness is not affected by Si application to the substrate; however, transpiration rates decrease while net photosynthesis rate and stomatal conductance increase in response to Si application.

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Detection, Distribution, and Quantification of Silicon in Floricultural Crops utilizing Three Distinct Analytical Methods

Cited by 50 publications

References 20 publications

Silicon delays Tobacco ringspot virus systemic symptoms in Nicotiana tabacum

Silicon delays Tobacco ringspot virus systemic symptoms in Nicotiana tabacum

Determination of Silicon Concentration in Some Horticultural Plants

Leaf anatomy and gas exchange of ornamental sunflower in response to silicon application

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