Table VI.

The abundance of cytokinin free bases + ribosides, ribotides, and glucosides in extracts of wheat leaves and chloroplasts at the end of 12 h of light and 12 h of darkness

Plant Parta	Free Bases + Ribosides	Ribotides	Glucosides
	% of total CKs
Experiment 1
L-L	38.0	26.8	35.2
L-D	31.5	48.1	20.4
C-L	28.4	48.4	23.2
C-D	13.2	23.2	67.9
Experiment 2
L-L	38.3	28.4	33.3
L-D	32.6	46.7	20.7
C-L	29.4	46.8	23.8
C-D	15.8	19.2	65.0

^aL-L, Leaves in light; L-D, leaves in darkness; C-L, chloroplasts in light; C-D, chloroplasts in darkness.