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Individual plant
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Diameter (cm)
|
Air oxygen concentration(%)
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Oxygen concentration in region 1 (%)
|
Oxygen concentration in region 2 (%)
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Oxygen concentration in region 3 (%)
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|---|
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Arg7–1
|
5.5
|
22.2
|
9a
|
5.28b
|
2.58c
|
|
Arg7–2
|
4.8
|
22.2
|
11.2 a
|
7.28 b
|
3.96 c
|
|
Arg7–3
|
5.9
|
22.2
|
10.42 a
|
8.35 b
|
3.96 c
|
|
SC124–1
|
6.4
|
22.2
|
6.95 a
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5.46 b
|
3.7 c
|
|
SC124–2
|
6.6
|
22.2
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7.86 a
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6.31 b
|
5 c
|
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SC124–3
|
9.3
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22.2
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8.66 a
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6.27 b
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5.2 c
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- The middle segment of the tuber root was divided into three regions: region 1 refers to the periderm, which includes the sclerenchyma, parenchyma and phloem; region 2 refers to the storage parenchyma; and region 3 refers to the tuber centre, which includes xylem vessels and fibres. Values with different letters within one dividual are significantly different at p < 0.05
