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Table 2 Survival rate for induced tetraploid at various treatment conditions in Korean rose bitterling, Rhodeus uyekii

From: Cytogenetic study of diploid and induced tetraploid in Korean rose bitterling, Rhodeus uyekii

Time after fertilization (min)

Duration of shock (min)

Survival rate (%)

4500 psi

6000 psi

7500 psi

Control

98 ± 1.2a

98 ± 1.2a

98 ± 1.2a

90

10

75 ± 1.8b

64 ± 2.2b

15 ± 1.4b

20

58 ± 1.6c

38 ± 2.1c

07 ± 1.3c

30

37 ± 1.3d

17 ± 1.9d

100

10

74 ± 1.2b

63 ± 2.5b

13 ± 1.1b

20

56 ± 1.5c

37 ± 2.0c

09 ± 1.6c

30

38 ± 1.9d

19 ± 2.3d

110

10

74 ± 1.6b

65 ± 2.1b

16 ± 1.4b

20

57 ± 1.7c

39 ± 2.0c

08 ± 1.1c

30

39 ± 1.1d

15 ± 1.8d

120

10

76 ± 1.3b

64 ± 1.9b

14 ± 1.8b

20

52 ± 1.4c

35 ± 2.1c

06 ± 1.4c

30

36 ± 1.5d

18 ± 2.0d

  1. Survival rate = (the number of survived fries/the number of hatched fries) × 100. Survival rate was measured at 10 days after hatched
  2. Each value is mean and standard deviation percentage of triplicate experiments (n = 30). Means in columns having different superscript letter are significantly different (P < 0.05)