Biochemical response and nutrient uptake of two arbuscular mycorrhiza-inoculated chamomile varieties under different osmotic stresses

Botanical Studies

Table 4 Analysis of variance of osmotic stress, arbuscular mycorrhiza and variety and their interactions effects on osmolytes, activity of antioxidant enzymes (catalase (CAT), peroxidase (POD), polyphenol oxidase (PPO)), and shoot and root dry weights

Source of variation	df	Proline	Total soluble sugar	CAT	POD	PPO	Shoot dry weight	Root dry weight
O	2	136.50**	36248.390**	3864.92**	2.62**	217.80**	1.09**	0.002**
AM	1	16.54**	2693.25**	281.51**	0.13**	36.63**	0.083**	0.008**
Var	1	30.56**	753.58**	210.45**	0.34**	33.87**	0.015**	0.00086**
O × AM	2	1.12**	419.88**	26.07**	0.009**	4.40**	0.017**	0.00083**
O × Var	2	0.04**	79.14**	43.14**	0.00**	6.19**	0.148**	0.0001**
AM × Var	1	0.44**	6.87^ns	2.59^ns	0.01**	1.35**	0.0068**	0.0003**
O × AM × Var	2	0.43**	17.17^ns	8.18**	0.013**	0.9**	0.0058**	0.00009^ns
Error	36	0.006	7.40	0.832	0.0003	0.126	0.0001	0.00003
CV%		1.32	2.92	4.41	3.46	5.08	2.25	5.88

O Osmotic stress, Var Varieties, AM Arbuscular mycorrhizal inoculation, ns non-significance at P ≤ 0.05; *P ≤ 0.05; **P ≤ 0.01, statistical significance