Table 2.

Chlorophylls a and b for mycorrhizal (M+) and non-mycorrhizal (M−) marigold plants exposed to different levels of drought stress (D₀ no drought, D₁ mild, D₂ moderate and D₃ severe).

Treatments		Chlorophylls (mg/g fresh weight)
Drought	Mycorrhizal	Chlorophyll a	Chlorophyll b
D0	M+	0.343	0.145
	M−	0.335	0.136
D1	M+	0.323	0.127
	M−	0.313	0.117
D2	M+	0.303	0.112
	M−	0.295	0.104
D3	M+	0.284	0.101
	M−	0.270	0.095
LSD 5%		0.004⁎	0.004⁎

Where M+ = mycorrhizal treatment and M− = non-mycorrhizal treatment.

^⁎Significant difference at p ⩽ 0.05 (Steel and Torrie, 1980).