This study was conducted to evaluate the efficacy foliar application of moringa leaf extract (MLE) and seaweed extract (SWE) as a natural crop growth enhancer to alleviation of heat stress and improving growth and yield of "Anna" apple trees (Malus domestica L.), under normal and heat stress conditions during 2015 and 2016 seasons successively.The study included 3 levels of heat [low (T1), medium ...