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Table 1 Effect of in vitro versus in vivo colchicine treatment

From: Improved efficiency of doubled haploid generation in hexaploid triticale by in vitro chromosome doubling

Colchicine treatment

Transferred embryos

Regeneration rate

Green plants [%]

Survival rate [%]

24 h - 0 mM

330

42.4 a

54.3 a

85.5 a

24 h - 0.3 mM

240

39.2 a

61.7 ab

81.0 ab

24 h - 1 mM

240

41.7 a

72.0 ab

83.3 ab

24 h - 5 mM

180

41.7 a

65.3 ab

71.4 ab

48 h - 0 mM

210

43.3 a

75.8 b

62.3 bc

48 h - 0.3 mM

240

47.1 a

59.3 ab

82.1 ab

48 h - 1 mM

240

47.1 a

69.0 ab

43.6 cd

48 h - 5 mM

120

24.2 b

41.4 a

50.0 ab

72 h - 0 mM

210

42.4 a

48.3 a

60.5 b

72 h - 0.3 mM

240

43.8 a

69.5 ab

68.5 ab

72 h - 1 mM

240

33.3 a

62.5 ab

64.0 ab

72 h - 5 mM

270

26.3 b

71.8 ab

62.7 ab

in vivo

835

58.8 c

70.9 b

44.0 d

  1. Survival rate refers to the rate of plants that survived the transfer from culture medium to soil and grew to maturity. Means of columns followed by different letters indicate significant differences at the α = 0.05 level.