Table 5 Effect of dark culture days on hypocotyl callus formation and differentiation.

From: Establishment of an efficient regeneration system of ‘ZiKui’ tea with hypocotyl as explants

Dark cultivation time (d)

Number of vaccinations

Browning rate (%)

Browning number

0

90

48.98 ± 0.77a

47

7

90

35.44 ± 2.23b

34

14

90

19.93 ± 1.66a

19