Table II.

ADC and ODC (nmol CO₂ h⁻¹ mg⁻¹ protein) specific activities of the particulate fractions in protein extracts of tobacco

Activities were measured in the first, fifth, 10th, 15th, 20th, and 25th developmental stages (numbered from shoot apex) and in the shoot apex, primary root, and secondary root. Data are the means ± se. ND, Not detected.

		First	Fifth	10th	15th	20th	25th
ADC	La	1.2 ± 0.11	0.6 ± 0.04	0.4 ± 0.02	0.2 ± 0.00	ND	ND
	Pb	0.6 ± 0.06	0.3 ± 0.02	0.2 ± 0.02	0.1 ± 0.00	ND	ND
	Ic	0.5 ± 0.04	0.7 ± 0.05	0.4 ± 0.01	0.2 ± 0.01	0.2 ± 0.00	0.2 ± 0
ODC	L	2.6 ± 0.24	2.2 ± 0.12	0.8 ± 0.09	ND	ND	ND
	P	0.9 ± 0.09	0.7 ± 0.09	0.4 ± 0.03	0.2 ± 0.00	ND	ND
	I	0.5 ± 0.04	0.4 ± 0.03	0.5 ± 0.03	0.4 ± 0.01	0.3 ± 0.01	0.2 ± 0
		Shoot Apex		Primary Root		Secondary Root
ADC		0.9 ± 0.07		0.2 ± 0.01		0.1 ± 0.00
ODC		1.3 ± 0.09		0.7 ± 0.06		0.3 ± 0.01

^aL, Tip and leaf margin.

^bP, Acropetal petiole.

^cI, Internode.