Fig. 3: Chlorophyll a, b, total chlorophyll and carotenoid contents after 0, 8, and 12 days of drought.

a Chlorophyll a after 0, 8, and 12 days of drought. b Chlorophyll b after 0, 8, and 12 days of drought. c Total chlorophyll content after 0, 8, and 12 days of drought. d Carotenoids after 0, 8, and 12 days of drought