مشخصات پژوهش

Aloe vera is one of the most economically important medicinal plants in many countries which used in food, cosmetics and pharmaceutical industries. In order to study the effects of different levels of water deficit stress (irrigation after depleting 20, 40, 60 and 80% of soil water content) and zeolite (0, 4 and 8 g kg-1 soil) were arranged in a splitplot in time based on a randomized complete block design with four replications. The plants were harvested 270 days after imposing the treatments. The results indicated that the maximum root fresh (170.81 g per plant) and dry weight (37.95 g per plant) were obtained when the plants were irrigated after depleting 20% of the FC where 8 g zeolite was applied. Also, the highest plant weight (2027 g per plant)was observed 270 days after imposing the treatments when plants were irrigated after depleting 40% of the FC and treated with 8 gzeolite. Application of zeolite could improve Aloe veraroot growth and yield even under drought stress conditions [1,2 ].