Application of silicon sources increases silicon accumulation in perennial ryegrass turf on two soil types

U. N. Nanayakkara, Wakar Uddin, L. E. Datnoff

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

This study investigated the ability of perennial ryegrass to accumulate silicon and the factors that may influence plant silicon accumulation. Plants were grown in the greenhouse in two soil types, peat:sand mix and Hagerstown-silt-loam, amended with two commercially available sources of silicon, calcium silicate slag and wollastonite at 0, 0.5, 1, 2, 5 and 10 t/ha. Shoot tissue of nine-week-old perennial ryegrass plants was analyzed for silicon content (%) and found to reach a dry matter concentration of up to 4% in this study. Silicon accumulation in perennial ryegrass was influenced by the soil type and source, and was higher in plants grown in low-silicon peat:sand mix compared to Hagerstown-silt-loam. Silicon content (%) in the plants consistently increased with increasing rates of silicon in all four soil and source combinations. Acetic acid (HAc) extractable silicon and Ca increased in both soil types when amended with either of the silicon sources. Effects of silicon sources on soil pH varied with soil type. This study indicates that soil type, source of silicon, and rate of silicon application are important factors influencing the uptake of silicon by perennial ryegrass which is a widely used turfgrass species in golf courses, sports fields, and residential lawns in the United States.

Original languageEnglish (US)
Pages (from-to)83-94
Number of pages12
JournalPlant and Soil
Volume303
Issue number1-2
DOIs
StatePublished - Feb 1 2008

Fingerprint

lawns and turf
silicon
Lolium perenne
soil type
soil types
calcium silicate
loam
silt
peat
athletic fields
sand
slags
golf course
wollastonite
perennial plant
golf courses
turf grasses
slag
sport
acetic acid

All Science Journal Classification (ASJC) codes

  • Soil Science
  • Plant Science

Cite this

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abstract = "This study investigated the ability of perennial ryegrass to accumulate silicon and the factors that may influence plant silicon accumulation. Plants were grown in the greenhouse in two soil types, peat:sand mix and Hagerstown-silt-loam, amended with two commercially available sources of silicon, calcium silicate slag and wollastonite at 0, 0.5, 1, 2, 5 and 10 t/ha. Shoot tissue of nine-week-old perennial ryegrass plants was analyzed for silicon content ({\%}) and found to reach a dry matter concentration of up to 4{\%} in this study. Silicon accumulation in perennial ryegrass was influenced by the soil type and source, and was higher in plants grown in low-silicon peat:sand mix compared to Hagerstown-silt-loam. Silicon content ({\%}) in the plants consistently increased with increasing rates of silicon in all four soil and source combinations. Acetic acid (HAc) extractable silicon and Ca increased in both soil types when amended with either of the silicon sources. Effects of silicon sources on soil pH varied with soil type. This study indicates that soil type, source of silicon, and rate of silicon application are important factors influencing the uptake of silicon by perennial ryegrass which is a widely used turfgrass species in golf courses, sports fields, and residential lawns in the United States.",
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Application of silicon sources increases silicon accumulation in perennial ryegrass turf on two soil types. / Nanayakkara, U. N.; Uddin, Wakar; Datnoff, L. E.

In: Plant and Soil, Vol. 303, No. 1-2, 01.02.2008, p. 83-94.

Research output: Contribution to journalArticle

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