Study of the content of chlorophyll and carotenoids in the leaves of tau-saghyz (Scorzonera Tau-Saghyz Lipsch Et Bosse) from various ecological and geographical habitats in the karatau mountains. EJE [Internet]. 2022 Jun. 29 [cited 2026 Sep. 13];71(2):103-11. Available from: https://bulletin-ecology.kaznu.kz/index.php/1-eco/article/view/1328