TABLE 5.

Absorption (expressed as % of recovered radioactivity) and translocation to different plant organs (expressed as % of absorbed radioactivity) of ¹⁴C-tribenuron in S, R1, and R2 populations of G. coronaria at 12, 24, 48, and 72 HAT.

Population	HAT	Absorption (%)	Translocation (%)
			Treated leaf (TL)	Rest of aerial section (AS)	Root section (RS)
S	12	24.0 ± 4.1	92.2 ± 1.9	7.3 ± 1.9	0.5 ± 0.1
	24	29.6 ± 9.6	96.1 ± 0.3	3.5 ± 0.3	0.4 ± 0.2
	48	23.2 ± 3.6	89.7 ± 2.6	9.9 ± 2.6	0.4 ± 0.1
	72	23.8 ± 1.4	91.4 ± 2.3	8.2 ± 2.3	0.4 ± 0.0
R1	12	20.6 ± 1.5	93.6 ± 2.3	5.8 ± 2.2	0.5 ± 0.0
	24	22.9 ± 2.0	90.9 ± 3.2	8.6 ± 3.2	0.4 ± 0.0
	48	22.9 ± 3.6	92.6 ± 2.0	7.1 ± 2.0	0.4 ± 0.0
	72	21.8 ± 1.5	93.2 ± 2.4	6.4 ± 2.4	0.4 ± 0.0
R2	12	22.0 ± 2.9	86.5 ± 1.3	13.0 ± 1.2	0.5 ± 0.1
	24	21.0 ± 1.9	88.2 ± 1.4	11.1 ± 1.5	0.7 ± 0.3
	48	22.0 ± 3.4	90.5 ± 0.4	9.0 ± 0.5	0.5 ± 0.1
	72	27.4 ± 2.5	90.9 ± 2.1	8.8 ± 2.0	0.3 ± 0.0
Means of five repetitions per biotype ± values of standard errors are given.
ANOVA		Absorption (%)	Treated leaf (TL)	Rest of aerial section (AS)	Root section (RS)
Population		P = 0.331ns	P = 0.016**	P = 0.019**	P = 0.459ns
HAT		P = 0.712ns	P = 0.856ns	P = 0.873 ns	P = 0.258ns
Population × HAT		P = 0.542ns	P = 0.134ns	P = 0.142 ns	P = 0.497ns

^nsNo significant differences were found; **significant differences were found at P = 0.05 based on Duncan test.