Table 2.

Effect of exogenous trehalose on electrical conductivity (EC), chlorophyll a (Chl. A), chlorophyll b (Chl. B), chlorophyll a/b (Chl. a/b), total chlorophyll (total chl.), total soluble protein (TSP), carbohydrates and proline in maize seedlings with and without cr stress

Source of Variation	df	EC	Chl. a	Chl. b	Chl. ab	Total Chl.	TSP	Carbohydrates	Proline
Varieties (Var)	1	0.0000 ***	0.6978 ns	0.7099 ns	0.5128 ns	0.2750 ns	0.0153 *	0.0000 ***	0.5637 ns
Cr Stress (Cr)	2	0.0194 *	0.1298 ns	0.3196 ns	0.1043 ns	0.0002 ***	0.0000 ***	0.0000 ***	0.0000 ***
Trehalose (T)	1	0.0006 ***	0.8681 ns	0.5286 ns	0.7024 ns	0.0001 ***	0.0000 ***	0.0000 ***	0.0000 ***
Var × Cr	2	0.0149 *	0.1378 ns	0.3622 ns	0.0845 ns	0.0009 ***	0.2443 ns	0.0352 *	0.0586 ns
Var × T	1	0.1873 ns	0.7675 ns	0.4889 ns	0.5928 ns	0.5239 ns	0.5810 ns	0.0048 **	0.5637 ns
Cr ×T	2	0.7811 ns	0.4141 ns	0.8491 ns	0.2887 ns	0.0403 *	0.6416 ns	0.0045 **	0.2638 ns
Var × Cr × T	2	0.0639 ns	0.6334 ns	0.4614 ns	0.2324 ns	0.7702 ns	0.0381 *	0.5637 ns	0.6385 ns

ns: non significant; *,** and *** significant at 0.05, 0.01, 0.001 levels respectively