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Table 1 Elemental analysis of hydroponically-grown wheat shoot tissue

From: A sterile hydroponic system for characterising root exudates from specific root types and whole-root systems of large crop plants

Element

Hydroponics

Reference valuea

Al (mg kg−1)

2.4 ± 0.5

< 200

B (mg kg−1)

4.4 ± 1.1

3–25

Ca (% w w−1)

0.20 ± 0.01

0.18–0.40

Cu (mg kg−1)

17.7 ± 0.5

1.3–18.0

Fe (mg kg−1)

63 ± 2

25–100

K (% w w−1)

3.2 ± 0.1

3.0–3.5

Mg (% w w−1)

0.08 ± 0.003

0.05–0.40

Mn (mg kg−1)

93 ± 6

< 700

P (% w w−1)

0.21 ± 0.02

0.24–0.70

S (% w w−1)

0.35 ± 0.01

0.28–0.30

Zn (mg kg−1)

102 ± 4

18–390

  1. Whole-shoot tissues of sterile hydroponically grown 30-day-old wheat plants were homogenised and elemental content analysed by ICP-MS. Results show the mean ± SE (n = 10 plants)
  2. aReference values were based on the values (wheat at the Feekes scale 3 growth stage) previously reported [68]
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Plant Methods

ISSN: 1746-4811