Table 3. Correlation between the relative rate constant and physico-chemical parameters of the phenols for shoot uptake and glucose conjugation.

	pKa	f neutral	log Kow	log D	σ	σ–	EHOMO(OH)	EHOMO(O−)
log [k1(i)/k1(1)]	−0.323	−0.564	0.656	−0.159	−0.263	−0.261	0.178	0.546
log [k2(i)/k2(1)]	−0.467	−0.208	−0.100	−0.033	0.872	0.890	−0.807	−0.265