Table 3 Minimum isolation distance of maize plots in 2016–2017 for different safety thresholds.

From: A new isolation device for shortening gene flow distance in small-scale transgenic maize breeding

Different areas

Directiona

NE

N

NW

W

SW

S

SE

E

Safe threshold value, 1%b

Control area A

1

5

10

5

5

15

3

1

Isolated area B

1

1

1

1

1

1

1

1

Safe threshold value, 0.1%c

Control area A

5

30

10

20

40

15

15

5

Isolated area B

10

5

1

1

1

3

1

1

  1. aMinimum isolation distance of maize pollen in eight different directions. Positions of distances A1–D8 are shown in Fig. 1.
  2. bThe minimum isolation distance required by control area A and isolation area B when the gene flow rate reaches the safety threshold of 1% in eight different directions. The units of numbers in the table are meters.
  3. cThe minimum isolation distance required by control area A and isolation area B when the gene flow rate reaches the safety threshold of 0.1% in eight different directions. The units of numbers in the table are meters.
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