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Table 3 Media used for the Sucrose concentration test

From: Screening and optimisation of in vitro pollen germination medium for sweetpotato (Ipomoea batatas)

Treatment

pH

Sucrose (g/L)

PEG4000 (g/L)

Boric acid (mg/L)

Calcium nitrate (mg/L)

Germination rate (%)

Sucrose medium 1

6.0

0

100

100

200

3.9 ± 2.0

Sucrose medium 2

6.0

50

100

100

200

64.8 ± 4.3*

Sucrose medium 3

6.0

100

100

100

200

31.9 ± 2.2

Sucrose medium 4

6.0

150

100

100

200

23.1 ± 3.0

Sucrose medium 5

6.0

200

100

100

200

6.0 ± 1.7

Sucrose medium 6

6.0

250

100

100

200

3.4 ± 1.2

Sucrose medium 7

6.0

300

100

100

200

0.7 ± 1.0

  1. Germination rate is the mean ± SD of five replicates. * Indicates the first echelon of multiple comparison results. The ANOVA results indicated that pollen germination rates differed significantly (P < 0.001) between the different Sucrose concentration treatments