اﺛﺮ ﺳﻮﯾﻪﻫﺎی ﻣﺨﺘﻠﻒ ﻣﺎﯾﮑﻮرﯾﺰ ﺑﺮ ﺧﺼﻮﺻﯿﺎت ﮐﻤﯽ وﮐﯿﻔﯽ آﻓﺘﺎﺑﮕﺮدان در ﺷﺮاﯾﻂ ﺗﻨﺶ ﺧﺸﮑی

Effect of different strains of mycorrhiza on quantitative and qualitative characteristics of sunflower in drought stress condition