. 2005 Aug 10;96(4):727–736. doi: 10.1093/aob/mci224

Table 3.

Effect of 8 h anaerobic, micro-aerobic and aerobic treatment in the dark, on the rates of production for acetaldehyde, ethanol and CO₂ by batches of three 14-d-old FR13A and CT6241 rice plants, measured at the end of the treatment

	Acetaldehyde (μL h⁻¹ g⁻¹ f. wt)			Ethanol (μL h⁻¹ g⁻¹ f. wt)
O₂ (%)	FR13A	CT6241	FR13A	CT6241	FR13A	CT6241
0·00	0·90 ± 0·13^a	0·52 ± 0·04^A	55 ± 6^j	55 ± 5^j	115 ± 16^t	93 ± 20^t
0·05	5·5 ± 1·0^b	3·40 ± 0·15^B	47 ± 9^k	46 ± 2^k	150 ± 40^u	193 ± 2^u
0·10	4·4 ± 0·4^c	3·1 ± 0·5^c	31 ± 2^l	31 ± 4^l	100 ± 7^v	154 ± 13^V
0·15	2·60 ± 0·16^d	1·60 ± 0·10^D	9·8 ± 1·9^m	14·0 ± 0·7^M	124 ± 8^x	163 ± 11^X
0·20	0·77 ± 0·12^e	0·64 ± 0·10^e	3·2 ± 0·3^N	6·0 ± 1·3ⁿ	140 ± 6^y	149 ± 8^y
0·25	0·80 ± 0·14^f	0·33 ± 0·09^F	5·8 ± 0·1^o	4·5 ° 0·8^o	115 ± 9^z	180 ± 40^z
0·30	0·35 ± 0·05^g	0·14 ± 0·05^G	1·43 ± 0·06^p	2·30 ± 0·08^P	138 ± 11^w	156 ± 9^w
0·50	0·10 ± 0·02^h	0·10 ± 0·02^h	0·86 ± 0·15^r	0·9 ± 0·1^r	117 ± 8^q	102 ± 10^q
20·9	0·14 ± 0·04ⁱ	0·10 ± 0·02ⁱ	0·75 ± 0·04^s	0·75 ± 0·04^s	140 ± 20^a	201 ± 6^A

All values are means with standard errors of 4–5 individual experiments. For each volatile at each O₂ concentration, means for the two cultivars showing different superscript letters are significantly different at P < 0·05 (Student's t-test).